BLUE SPRING · OCTOBER · 74.3° F
The spring does not care what month it is. A U.S. Geological Survey gauge in the run read 74.3°F (23.5°C) on September 11, 2026, and it reads close to that on any day you pick. What October changes is everything above the surface: the air, the rain, the length of the afternoon and how many cars get through the gate before it closes.
So this is a swap month. You give up September’s 89.5°F afternoons and its 6.55 inches of rain, and you collect 84.4°F days, 3.24 inches and a run of dry mornings on the boardwalk. You also give up light: 11 hours 31 minutes on October 15, with the sun gone by 6:56 p.m.
BLUE SPRING · OCTOBER
October gives you the spring at its usual 74.3°F under air that has dropped about 5°F from September, with half the rain, and a parking lot of 187 spaces that still fills on a clear weekend.
AVG HIGH 84.4°F · AVG LOW 68.3°F · 3.24 IN OF RAIN · 4.7 WET DAYS · 11H31 OF DAYLIGHT
Go for: swimming at 74.3°F under air that finally sits in the low 80s, one designated swim area, 3,050 feet of boardwalk, three observation platforms and a launch for canoes, kayaks and tubes.
Think twice before: counting on a space at midday. The state counts 187, and when the lot fills the gate closes. We also could not verify an entrance fee, an opening hour or a manatee count.
Air: NOAA NCEI 1991-2020, Orlando Executive AP · Water: USGS gauge 02235500 · Facilities: Florida DEP inventory 2024
On this page
- Blue Spring weather in OctoberHighs of 84.4°F and 4.7 wet days
- Can you swim in October?The water reads 74.3°F
- How busy the park gets in October187 spaces, six cabins
- Things to do in a daySwim area, boardwalk, paddle launch
- A two-day planHour by hour, from the 7:25 a.m. sunrise
- October, September or November?How the three months compare
- Is October worth it?Who should go, who should wait
The spring and the air above it are two different subjects, and only one of them has a season. What does not move with the calendar (the layout, the drive in, the rest of the park) belongs to the Blue Spring guide, and the twelve-month view of the state sits in our Florida timing guide. October’s job is the set of numbers below.
Blue Spring weather in October: average highs, lows and rain days
| October at Blue Spring | The figure |
|---|---|
| Average high | 84.4°F |
| Average low | 68.3°F |
| Precipitation | 3.24 in |
| Days with 0.10 in or more | 4.7 |
| Days with 1.00 in or more | 0.7 |
| Daylight on October 15 | 11h31 · 7:25 a.m. to 6:56 p.m. |
| Spring water | 74.3°F (gauge reading) |
Every figure here for the air comes from one thermometer, and it is not at the spring: NOAA NCEI’s 1991-2020 monthly normals for station USW00012841, Orlando Executive Airport, about 27 miles (44 km) away. October averages a high of 84.4°F, a low of 68.3°F and 3.24 inches of rain. Those are thirty years of real readings averaged together, not a gridded model, and they describe the air above the trees rather than the water in the run.
Measurable rain (0.10 inch or more) falls on 4.7 days in an average October, so roughly one day in six carries something worth noticing, and the total works out near two thirds of an inch on each of those days. An inch or more lands on 0.7 day. Against September’s 6.55 inches and 9.8 wet days, that is the difference between planning around the weather and glancing at it.
The spread between the 84.4°F high and the 68.3°F low is 16.1°F, which is the whole packing list in one number. A long-sleeve layer for the first two hours, swimwear for the middle of the day, and a second towel: climbing out of 74.3°F water into 68°F air at eight in the morning is a colder event than the thermometer suggests.
On October 15 the sun rises at 7:25 a.m. and sets at 6:56 p.m. local time, giving 11 hours 31 minutes of daylight. Plan the last swim for four rather than six. The boardwalk loses its light before the sky does, and anything after sunset is a walk back in the dark.
Can you swim in Blue Spring in October? The water reads 74.3°F
October’s air runs from a 68.3°F average low to an 84.4°F average high, 16.1°F apart. Set that against the water and the day splits in two: the afternoon air stands 10.1°F above the spring, the dawn air 6.0°F below it. One caveat on the 74.3°F. That is a single instantaneous USGS reading taken at the gauge on September 11, 2026, not a monthly average of daily maxima, and the gauge reads close to it all year because a spring has no season.
In practice you dress twice. Long sleeves and something on your feet until mid-morning, then nothing but swimwear once the air has passed the water somewhere around eleven. The park has exactly one designated swimming area, so the crowd concentrates where you are going. The gauge also measured 168 cubic feet per second leaving the vent, volume enough to replace the water faster than a busy afternoon can cloud it.
Frost is not a question this month. Nothing in the October normals goes near freezing, the average low is 68.3°F, and even November’s average low stands at 60.1°F. If a cold snap does arrive, it hits the air and the towel, never the water.
How busy is Blue Spring in October? Crowds, cabins and when the gate closes
We found no occupancy series and no month-by-month room rates, so we crown no month cheap and none expensive. The calendar fact stands on its own: October falls after the summer school break and before the winter holidays. The lever that decides a day at this park is smaller and harder than a rate curve anyway. The state counts 187 parking spaces, and when the lot fills, the gate closes.
Six cabins is the entire stock inside the park, counted in the same 2024 state inventory. Dates go to whoever asks first. We could not verify a booking window, so we name no number of weeks ahead. With 187 spaces and one gate, a clear October Saturday at 84.4°F is precisely the day that fills the lot. Be there near the 7:25 a.m. sunrise and the question disappears.
We could not verify the lodging-tax rate that applies around the park, so we give no percentage. The entrance fee is the same story: the state park site returns an error to automated reads, so we quote no admission price and no opening hour. Our Florida cost guide carries the statewide budget lines. If manatees are the reason for the date, our manatee guide covers where they gather. We found no count and no dates for Blue Spring, so we name none.
One upgrade genuinely changes October here, and it is sleeping inside the gate. A cabin puts you on the boardwalk before the parking question exists, and it turns a 74.3°F swim into something you do twice, once at nine and once at five, with no second arrival. Everything else on the paying side, rentals at the launch included, we could not price.
Things to do in Blue Spring in October: the swim area, the boardwalk and the paddle launch
October is the month the air and the water meet in the middle. At 84.4°F an afternoon here is warm enough to make 74.3°F water feel like relief, and mild enough that the walk back does not cost you the benefit. September’s 89.5°F days arrive with 6.55 inches of rain behind them. November’s 77.8°F air turns the moment you climb out into the hardest part of the day.
Florida’s Department of Environmental Protection counted what the park actually holds in its 2024 inventory: one designated swimming area, 3,050 feet of boardwalk, three observation platforms, one launch for canoes, kayaks and tubes, six cabins and those 187 parking spaces. A single swim area is the entire case for arriving early. The boardwalk is long enough to absorb a crowd; the water is not.
Across the year the spring barely moves, so the season is really the gap between water and air. At an October afternoon high that gap is 10.1°F. In September it runs 15.2°F, in November 3.5°F. Same 74.3°F swim, three different experiences of getting out of it, and October is the version where the air rewards you rather than punishing you.
Once you are through the gate, the boardwalk, the three platforms and the swim area ask nothing further of your wallet. The launch is the only element that needs a boat under you. We could not read an entrance fee from the state park site, so we quote none, and we found no free-admission day listed for October.
Blue Spring in October: a two-day itinerary
Day one runs on the light. Sunrise is 7:25 a.m. on October 15, and the gate is the first decision of the trip: 187 spaces, no more. Take the boardwalk first, while the air is near the 68.3°F low and the three platforms are empty. Swim from late morning, once the air has climbed past 74.3°F. Keep the launch for mid-afternoon at the 84.4°F peak, and be walking out before the 6:56 p.m. sunset.
Day two inverts it: paddle early, swim at noon, boardwalk at five for the last low sun on the run. Rain is a 4.7-day proposition in an average October, and a real soaking of an inch or more averages 0.7 day. Neither touches the water, since 74.3°F arrives wet or dry. What a wet day changes is the wood underfoot and that 68.3°F morning, colder still under cloud. Pack a spare dry shirt.
Blue Spring in October vs September and November
| September | October | November | |
|---|---|---|---|
| Average high | 89.5°F | 84.4°F | 77.8°F |
| Average low | 73.9°F | 68.3°F | 60.1°F |
| Precipitation | 6.55 in | 3.24 in | 1.73 in |
| Days with 0.10 in or more | 9.8 | 4.7 | 3.0 |
| Afternoon air above the water | +15.2°F | +10.1°F | +3.5°F |
NOAA NCEI’s normals for the same station and the same 1991-2020 period put September at 89.5°F over a 73.9°F low with 6.55 inches, October at 84.4°F over 68.3°F with 3.24 inches, and November at 77.8°F over 60.1°F with 1.73 inches. Wet days fall in step, 9.8 to 4.7 to 3.0. The spring holds its line through all three near 74.3°F, so the only variable across the three months is the air.
Shift four weeks forward and you buy dryness: 1.51 inches and 1.7 wet days less than October, paid for with 6.6°F off the afternoon and 8.2°F off the night. Shift four weeks back and September returns 5.1°F of warmth in exchange for 3.31 extra inches and 5.1 more wet days, as our September page sets out. October concedes the least in either direction.
Is October a good time to visit Blue Spring?
Yes, if the trip is built on the water. October hands you a spring at 74.3°F, afternoons at 84.4°F and half of September’s rain, which is the combination swimmers and families actually ask for. No, if your Saturday cannot survive a closed gate: 187 spaces is a small number for a clear weekend, and we could not verify any way to reserve one in advance.
If dry weather outranks warm weather, take November: 1.73 inches across 3.0 wet days, against October’s 3.24 across 4.7. The bill is a 60.1°F average low, which makes a 74.3°F swim a very different proposition at nine in the morning. Bring more than one towel, and plan the swim for the middle of the day.
No other month sets an 84.4°F afternoon over water that never leaves 74°F with the year’s rain already cut in half.
The last word
Decide this one on your departure hour rather than your dates. Leave early enough to be among the 187, and October does the rest, from a 68°F boardwalk at eight to a 74.3°F swim at noon and a paddle at four. One more thing about that water: Florida law places Blue Spring in the class it calls Outstanding Florida Springs, under Statute 373.802(5), a list built from the state’s historic first-magnitude springs as the Florida Geological Survey determines them, plus six more named by hand in the text.
Sources & data for this guide
- October air normals (84.4°F, 68.3°F, 3.24 in) · NOAA NCEI monthly normals 1991-2020, station USW00012841, Orlando Executive AP, FL US, about 44 km from the spring · checked Sep 24, 2026
- Wet-day counts (4.7 days at 0.10 in or more, 0.7 day at 1.00 in or more) · NOAA NCEI monthly normals 1991-2020 · checked Sep 24, 2026
- September and November normals · same NOAA station, same 1991-2020 period · checked Sep 24, 2026
- Daylight, sunrise and sunset on October 15 (11h31 · 7:25 a.m. to 6:56 p.m. local) · sunrise-sunset.org · checked Sep 24, 2026
- Water temperature 74.3°F and discharge 168 cubic feet per second · U.S. Geological Survey, National Water Information System, station 02235500 Blue Spring, instantaneous reading · checked Sep 24, 2026
- 187 parking spaces, one swimming area, 3,050 feet of boardwalk, six cabins, three observation platforms, one canoe, kayak and tube launch · Florida Department of Environmental Protection, Recreational Facilities Inventory, 2024 annual report · checked Sep 24, 2026
- Outstanding Florida Springs classification · Florida Statutes 373.802(5), leg.state.fl.us · checked Sep 24, 2026
- We could not read an entrance fee, an opening hour or a manatee count: floridastateparks.org returns a 403 error to automated reads and the FWC manatee page renders client-side. We therefore quote no price, no hour and no animal count. Check the park before you drive.