FLORIDA · GINNIE SPRINGS · AUGUST
The water does not keep a calendar. A U.S. Geological Survey gauge sitting in Ginnie Springs read 72.7°F on September 11, 2026, and it reads close to that on any day you pick. August changes the air above it instead: a normal high of 90.5°F, a normal low of 72.0°F, and 6.40 inches of rain over the month. Walk in at two in the afternoon and you lose roughly eighteen degrees in one second, which is the entire argument for a Florida spring in late summer.
The question August actually poses is a four-week one: go now, or wait for September, when the afternoon high falls to 88.1°F and days with measurable rain drop from 10.4 to 6.9. Every figure here is dated to the month, with the thermometers named, because one of them sits in the spring and the other sits at an airport nearly fifty miles away.
THE MONTH AT A GLANCE · GINNIE SPRINGS · AUGUST
August hands you the sharpest contrast of the summer, 90.5°F air over 72.7°F water, and charges for it with 10.4 days of measurable rain and 6.40 inches of it.
AVG HIGH 90.5°F · AVG LOW 72.0°F · WATER 72.7°F · SUNSET 8:12 P.M. ON AUG 15
Go for: the widest gap of the summer between hot air and cold water, long evenings with the sun down at 8:12 p.m. on the 15th, and a spring that ignores the season entirely.
Think twice before: counting on a dry afternoon. In an average August, 2.1 days drop an inch of rain or more, and we could not verify the operator’s fee or gate hours, so call before you drive.
Air: NOAA NCEI 1991-2020, station USW00012816 · Water: USGS gauge 02322400 · full sources at the end
On this page
- Ginnie Springs weather in August90.5°F highs, 6.40 inches, 10.4 rain days
- How cold the water feels against the air72.7°F water under a 90.5°F afternoon
- Crowds and prices in AugustWhat we could verify, and what we could not
- Things to do at Ginnie Springs in AugustThe spring run, the dive scene, the Santa Fe
- A two-day plan built around the heatFrom a 6:57 a.m. start to an 8:12 p.m. sunset
- August against July and SeptemberHow the three months compare, degree by degree
- Is August a good month to go?Our verdict, and when September wins
Everything below is dated to the month. For the drive, the car and the tolls, see getting around Florida; for what a week on this coast costs, the trip-cost guide; and for the year in one view, the month-by-month verdict. The neighboring month already has its own page: Ginnie Springs in July.
Ginnie Springs weather in August: average highs, lows and rain days
| August at Ginnie Springs | 1991-2020 normal |
|---|---|
| Average high | 90.5°F |
| Average low | 72.0°F |
| Precipitation | 6.40 in |
| Days with 0.10 in or more | 10.4 |
| Days with 1.00 in or more | 2.1 |
| Daylight on August 15 | 13 h 15 min |
| Spring water at the gauge | 72.7°F |
These air numbers come from a real thermometer rather than a model: NOAA’s National Centers for Environmental Information monthly normals for 1991-2020, station USW00012816 at Gainesville Regional Airport, about 48 miles (78 km) from the spring. August there normals to a high of 90.5°F and a low of 72.0°F. No official station stands at the spring itself, so treat the figures as regional air, not as the shaded microclimate a few steps from the water.
Six and a half inches of rain reads like a washout until you spread it out. In an average August, 10.4 days record at least a tenth of an inch, so measurable rain arrives about one day in three, and only 2.1 days deliver an inch or more. Florida’s wet season pattern, described in our seasonal guide, loads most of that into the afternoon rather than the morning. A wet hour costs you an hour.
There are 18.5 degrees between the average high and the average low, and almost all of that drop lands after dark. Nothing in the bag needs to be warm. What it needs: a towel that dries fast, one dry shirt for the drive home, shoes you can walk limestone in, and a rain shell you will unpack on roughly a third of the days. Dry bags matter more than jackets here.
On August 15 the sun rises at 6:57 a.m. local time and sets at 8:12 p.m., giving 13 hours 15 minutes of daylight (sunrise-sunset.org). That late sunset is the month’s quiet luxury, since the light holds long after the heat breaks. We could not verify the operator’s opening and closing times, so plan the day around the sun and confirm the gate separately.
How warm is Ginnie Springs in August?
August tops out at a normal 90.5°F and bottoms at a normal 72.0°F, 18.5 degrees apart. The spring, measured by USGS station 02322400 inside the spring itself, was at 72.7°F on September 11, 2026. That reading is a single instantaneous measurement, not a monthly mean and not an average of daily maxima, and the record shows it barely moves across the year. Against the August afternoon, the water sits 17.8 degrees below the air.
In practice, dawn is the odd hour. At 6:57 a.m. the air is near its 72.0°F low, so the water is the warmer of the two by about seven tenths of a degree, and getting in feels like nothing at all. By three in the afternoon the same water is a genuine plunge. Wear the swimsuit from the car, bring a shirt for the walk back across hot ground, and skip the sweater entirely.
Freezing nights do not happen here in August: the month’s normal low is 72.0°F, twenty degrees on the safe side. Our source gives monthly averages rather than record extremes, so we publish no coldest-night figure. Nothing in the socle suggests the spring itself varies enough to notice, in this month or any other.
How busy is Ginnie Springs in August? Crowds, prices and the demand peak
We found no occupancy series and no monthly rate series for this corner of north Florida, so we crown no month the expensive one. What can be dated is the weather: August sits deep inside Florida’s wet season, the stretch that runs roughly May through October and that the state calendar treats as the low half of the tourist year on the coasts, even while the springs run at their most popular.
That leaves the booking question. The public sources we could read carry no entrance fee and no opening hour for Ginnie Springs: the state park portal returns a 403 to automated reads, and the state’s manatee page renders on the browser side. So we give no price, no gate time and no capacity rule. Phone the operator before you commit a Saturday to the drive, and if you would rather sleep nearby than leave at five, our lodging guide covers the region.
We could not verify the Gilchrist County lodging-tax rate either, so no percentage appears anywhere here. Assume that a room rate quoted online is not the number on the final bill in Florida, and read the tax line before you accept it.
One place spending more genuinely changes the month: the night before. A bed within thirty minutes of the water buys you the 6:57 a.m. start, and an early start is worth more in August than in any other season here, because it puts your long swim in front of the 90.5°F afternoon and in front of the day’s rain. Day-trippers arriving at noon get the heat and the storm window together.
Things to do in Ginnie Springs in August
August offers one thing September cannot match: contrast. With the air at 90.5°F over water at 72.7°F, entry is a 17.8-degree drop, and four weeks later that gap narrows to 15.4 degrees. Floating is the point in this month. You do not ration your time in the water, you ration your time out of it, which is the reverse of how most Florida outdoor days work.
The Florida Department of Environmental Protection names Ginnie Springs, alongside Peacock Springs, among the most popular and interesting springs diving destinations in the state, and the diving is what fills the parking lot in summer. Above water, the spring run and the Santa Fe River it feeds carry the swimmers and the floaters. We publish no fee for any of it: fees vary by park and by season, and a price read at another spring does not transfer to this one.
What the month changes is everything except the water. Limestone that is pleasant in April is hot underfoot at three in August, shade becomes the scarce commodity, and 10.4 rainy days mean the sky reorganizes plans about a third of the time. The gauge reading, meanwhile, stays where it always is. Divers dress for 72.7°F in August exactly as they do in February; swimmers simply want it more.
On free entertainment, our sources come up short: we could not verify a free-admission day, a fee schedule or a manatee count for August. The one thing August gives away is light, 13 hours 15 minutes of it on the 15th, with the sun still up at eight in the evening. More ideas for the surrounding region sit in the Florida activity guide.
Ginnie Springs in August: a two-day itinerary
Day one runs early. Be parked for sunrise at 6:57 a.m., when the air is at its 72.0°F low and the water is actually the warmer body. Swim and float from seven to about eleven, eat and dry out in shade through the middle of the day, then treat 1 p.m. to 4 p.m. as the heat-and-storm window: that is when the 90.5°F afternoon and the 2.1 heaviest days of the month do their work. Back in the water at five, out by the 8:12 p.m. sunset.
Day two goes deeper: a dive or a longer paddle down the river, booked for the morning for the same reason as day one. If the sky turns, lightning closes a swim well before rain does, so build the afternoon around an indoor stop in High Springs or Gainesville and come back for the evening light. Our safety notes cover Florida storms, and the family guide handles the rest of the logistics.
Ginnie Springs in August vs July and September
| Measure | July | August | September |
|---|---|---|---|
| Average high | 91.1°F | 90.5°F | 88.1°F |
| Average low | 71.6°F | 72.0°F | 69.4°F |
| Precipitation | 6.68 in | 6.40 in | 5.05 in |
| Days with 0.10 in or more | 10.5 | 10.4 | 6.9 |
| Air above the 72.7°F water | +18.4°F | +17.8°F | +15.4°F |
July and August are near twins: 0.6 degrees apart at the top, 0.28 inches apart on rainfall, a tenth of a day apart on rainy days. September is the month that moves. Its high drops to 88.1°F, its rainfall to 5.05 inches, and its measurable rain days to 6.9, which is three and a half fewer than August. All four columns come from the same NOAA station and the same 1991-2020 period, so the comparison is like for like.
Shift four weeks and you gain drier afternoons and a calmer parking lot. You give up 2.4 degrees of afternoon heat, and with it some of the shock that makes a spring worth driving to. The dawn math flips as well: September’s 69.4°F low sits 3.3 degrees under the water, so the early swim in September is the warm choice rather than the neutral one.
Is August a good time to visit Ginnie Springs?
Yes, if you are coming for the water and willing to start at seven. Swimmers, floaters and divers get the year’s most satisfying entry, 17.8 degrees of it, plus evening light to eight o’clock. No, if your day depends on a dry afternoon or on comfortable time out of the water: 90.5°F with north Florida humidity makes the walk from the car the hardest part of the visit, and rain lands on about a third of the days.
If that tips you, September is the month to take. Same spring, same 72.7°F, but 88.1°F air, 5.05 inches of rain and 6.9 measurable rain days instead of 10.4. The trade is honest and small. For readers weighing the whole calendar rather than these three months, the year-round guide lays out the dry season case.
Of the three months on this stretch of the Santa Fe, August is the one that pairs a 17.8-degree plunge with a sunset at 8:12 p.m., and that combination is what a summer spring day is for.
The last word
Set the alarm, not the itinerary. An August day at Ginnie Springs is won before nine in the morning and rescued after five in the evening, and the hours in between belong to the heat and the 2.1 inch-plus downpours the month averages. One more thing worth carrying: Florida law protects a category it calls Outstanding Florida Springs, covering every historic first-magnitude spring as the Florida Geological Survey determines them, plus six named individually in the statute. We could not verify which route applies to Ginnie. Call the operator for the gate hours before you set that 6:57 a.m. alarm.
Sources & data for this guide
- August, July and September air normals (1991-2020) · NOAA NCEI monthly normals, station USW00012816, Gainesville Regional Airport, about 48 miles from the spring · checked Sep 24, 2026
- Rain days at 0.10 in and 1.00 in · NOAA NCEI monthly normals, same station and period · checked Sep 24, 2026
- Daylight, sunrise and sunset on August 15 (converted to local time) · sunrise-sunset.org · checked Sep 24, 2026
- Spring water at 72.7°F · U.S. Geological Survey, National Water Information System, station 02322400 Ginnie Springs, instantaneous reading · checked Sep 24, 2026
- Outstanding Florida Springs definition · Florida Statutes 373.802(5), leg.state.fl.us · checked Sep 24, 2026
- Ginnie and Peacock Springs as diving destinations · Florida Department of Environmental Protection, Visit a Spring · checked Sep 24, 2026
- We could not verify an entrance fee, an opening hour, a free-admission day, a manatee count or the county lodging-tax rate: floridastateparks.org returns 403 to automated reads and the state manatee page renders client-side · checked Sep 24, 2026