ROSARITO · BAJA CALIFORNIA · AUGUST
August in Rosarito comes with almost no rain: 0.04 inches on average, and 0.4 days of measurable rain in the whole month. The town sits on the Tijuana-Ensenada toll highway (the Scenic Highway), the main paved route to both cities. Its main beach runs along the oceanfront, with the fishing village of Popotla close by. Baja Studios, built by 20th Century Fox for the filming of Titanic, is on the same coast.
Air and sea point in different directions this month. The nearest official record puts afternoons at 86.4°F while the Pacific holds at 68.3°F, so August suits a beach walk and a long lunch better than a long swim. July and September sit within two degrees of August on highs, so moving your dates changes less than most people expect.
THE MONTH AT A GLANCE · ROSARITO
August in Rosarito is dry, mild and long-lit, with 86.4°F highs, 0.04 inches of rain and 13 hours 22 minutes of daylight on August 15, over a Pacific at 68.3°F.
AUGUST HIGH 86.4°F · LOW 64.6°F · SEA 68.3°F · RAIN 0.04 IN
Go for: a dry beach-town week with 86.4°F highs, a main beach along the oceanfront, and Popotla and Baja Studios within reach.
Think twice before: counting on warm swimming, since the sea sits at 68.3°F, and before reading the U.S. State Department’s Level 3 listing for Baja California.
Climate: SMN/CONAGUA station 02038 · Sea: Open-Meteo Marine · Daylight: sunrise-sunset.org · full sources below
On this page
- Rosarito weather in AugustHighs of 86.4°F, lows of 64.6°F and 0.04 inches of rain
- Can you swim in Rosarito in August?Sea temperature of 68.3°F and what it means in the water
- How busy is Rosarito in August?Crowds, the 5% lodging tax and booking
- Things to do in Rosarito in AugustThe main beach, Popotla and Baja Studios
- Rosarito itinerary for AugustA two-day plan around the light and the fog
- Rosarito in August vs July and SeptemberHighs, rain and sea temperature across three months
- Is August a good time to visit Rosarito?The verdict, the State Department advisory and the month to pick instead
The town itself, beyond the month, lives in our Rosarito guide. If August is not fixed yet, our month-by-month picks compare other destinations for the same weeks, and the travel basics cover booking habits that apply anywhere.
Rosarito weather in August
| August measure | Figure | Source |
|---|---|---|
| Average high | 86.4°F | SMN normals 1991-2020, station 02038 |
| Average low | 64.6°F | SMN normals 1991-2020, station 02038 |
| Precipitation | 0.04 inches | SMN normals 1991-2020, station 02038 |
| Days with measurable rain | 0.4 | SMN’s own count, threshold unpublished |
| Daylight on August 15 | 13 hours 22 minutes | sunrise-sunset.org |
Every figure here comes from Mexico’s national weather service, the Servicio Meteorologico Nacional, and its 1991-2020 normals: an average August high of 86.4°F and a low of 64.6°F. The thermometer is at Presa Rodriguez (station 02038), an inland reservoir near Tijuana, about 9 miles from the coast at 120 meters of elevation. Rosarito’s own beachfront is not measured separately, so expect it to run milder, with more coastal fog.
The station records 0.04 inches of precipitation in an average August and 0.4 days of measurable rain, counted with a threshold the SMN does not publish. A rainy day is the exception, so sunscreen goes in the bag before an umbrella. Fog is not rain and does not appear in those counts, so a gray stretch at the beach is possible even in a dry month.
Between the average high and the average low sits a gap of 21.8 degrees, so mornings and evenings run cooler than the afternoon. The beachfront likely narrows that gap a little. A light layer for the waterfront at night, sunglasses and a hat for midday, and swimwear in the daypack cover the range.
On August 15 the day lasts 13 hours 22 minutes, from a 6:11 a.m. sunrise to a 7:33 p.m. sunset in Pacific daylight time (sunrise-sunset.org, converted from UTC). A beach afternoon can run straight into a waterfront dinner with daylight to spare.
Can you swim in Rosarito in August? Sea temperature
The sea surface off Rosarito averages 68.3°F in August, according to Open-Meteo’s marine data for 2015-2024. That figure is the mean of daily maxima, so it runs a shade warmer than a 24-hour average. Water tables that average all 24 hours will read a little lower, and this one comes from a different source and period than the air normals above.
Against 86.4°F air, the water sits 18.1 degrees cooler. Expect a brisk first minute, then a comfortable splash. Wading, playing in the shallows and a short dip suit the temperature well, while a long swim is for people who like cool water.
We found no wave, swell or wind record for Rosarito in August, so we quote none. A surf report on the day you go fills that gap, and any beach flags or lifeguard instructions outrank an average.
How busy is Rosarito in August? Crowds and prices
We found no occupancy series and no monthly hotel-rate record for Rosarito, so we crown no month expensive or cheap. What the record does show is midsummer weather: August has the warmest air of the three months at 86.4°F, against 84.9°F in July and 85.1°F in September. Whether prices follow that curve is something we could not verify.
We have no verified booking window for Rosarito hotels in August, so we give no number of weeks. Book the room before you commit to the drive, choose a refundable rate where one is offered, and confirm parking with the property.
Baja California charges a lodging tax, the Impuesto sobre Servicios de Hospedaje: 5% for hotels and 7% for moteles in 2026, plus a 5% rate on digital booking platforms. We read the rates in the state’s Ley de Hacienda and in 2026 tax tables. We could not verify how each hotel shows the tax on its quoted price, so check whether a rate includes it.
A room facing the water is the one place where paying more changes the August you get. The station’s numbers describe an inland reservoir, and the beachfront likely runs milder with more fog. We have no rate data to say what that room costs.
Things to do in Rosarito in August
August offers a dry, warm and long-lit stretch: 0.04 inches of rain, 0.4 days of measurable rain and 13 hours 22 minutes of daylight on the 15th. An oceanfront walk, a visit to a fishing village and a coastal drive face little weather risk. July brings 0.06 inches and September 0.14 inches, both above August’s figure.
Rosarito’s main beach runs along the town’s oceanfront and is the destination’s principal draw. The nearby fishing village of Popotla is the other. Baja Studios sits on the coast: Fox Studios Baja was built in 1997 by 20th Century Fox for the filming of Titanic, at an estimated cost of around 20 million dollars. We could not verify hours, admission or parking at any of the three, so we quote no price. Confirm locally before you drive.
The sea barely moves between July’s 68.4°F, August’s 68.3°F and September’s 68.1°F (Open-Meteo Marine). The air does the changing. August’s 86.4°F average high tops July’s 84.9°F and September’s 85.1°F, and its 64.6°F low tops both neighbors. For the beach, that means the same water and slightly warmer evenings.
We found no verified admission or parking fee for the main beach or for Popotla, so we cannot tell you what is free. Ask your hotel about beach access and parking before you go.
Rosarito itinerary for August
Take the Scenic Highway (the Tijuana-Ensenada toll road, and we could not verify the toll amount) and reach the oceanfront after the 6:11 a.m. sunrise, when the air is still near its 64.6°F low. Walk the beach early. Spend midday, when the average high reaches 86.4°F inland and the beachfront likely runs milder, on the sand with a short dip in the 68.3°F water. Save the late afternoon for the waterfront and dinner before the 7:33 p.m. sunset.
On the second day, head to Popotla, the fishing village near Rosarito, and to Baja Studios, the Titanic lot on the coast, with hours checked ahead. If fog settles over the shore, the village and the studio make a better gray-day plan than a beach towel. Rain barely enters the picture at 0.04 inches for the month.
Rosarito in August vs July and September
| Measure | July | August | September |
|---|---|---|---|
| Average high | 84.9°F | 86.4°F | 85.1°F |
| Average low | 63.1°F | 64.6°F | 62.6°F |
| Precipitation | 0.06 inches | 0.04 inches | 0.14 inches |
| Days with measurable rain | 1.0 | 0.4 | 1.0 |
| Sea surface (Open-Meteo Marine) | 68.4°F | 68.3°F | 68.1°F |
August posts the highest average high, 86.4°F against 84.9°F in July and 85.1°F in September, and the highest average low at 64.6°F against 63.1°F and 62.6°F. Precipitation runs 0.06, 0.04 and 0.14 inches across the three months, and measurable rain falls on 0.4 days in August against 1.0 in each neighbor. The sea reads 68.4°F, 68.3°F and 68.1°F in the same order.
Moving a month earlier or later changes a degree or two and a few hundredths of an inch. July gives a sea 0.1 degrees warmer and afternoons 1.5 degrees cooler. September gives nights 2.0 degrees cooler than August’s, a sea 0.2 degrees cooler and the most rain of the three at 0.14 inches. The bigger gap is in rain days: 1.0 in each neighbor against 0.4 in August.
Is August a good time to visit Rosarito?
Yes, for anyone who wants a dry, warm, long-lit week on the Pacific: 86.4°F highs, 0.04 inches of rain and a sunset near 7:33 p.m. on August 15. It fits swimmers less well, since the sea sits at 68.3°F. Read the U.S. Department of State advisory before booking. It lists Baja California at Level 3, Reconsider travel, due to terrorism, crime and kidnapping, with high homicide numbers in the non-tourist areas of Tijuana and travel restrictions only in the Mexicali Valley (reissued May 29, 2026).
Water temperature is no reason to move, since July reads 68.4°F and September 68.1°F. Cooler nights are: September lows drop to 62.6°F, though rain edges up to 0.14 inches.
Among July, August and September, August pairs the least rain, 0.04 inches, with the warmest average low, 64.6°F, and a sunset near 7:33 p.m. on the 15th.
The last word
Book August for the dry sky and the long light, pack one warm layer for the coastal fog the beachfront likely gets, and stop at Baja Studios, the lot Fox built in 1997 for Titanic after announcing the production in 1996. Then wade in slowly: the Pacific is 68.3°F, and the first cold minute passes.
Sources & data for this guide
- Air normals, rain days and station scope · Servicio Meteorologico Nacional (CONAGUA), normales climatologicas 1991-2020, station 02038 (Presa Rodriguez, Tijuana) · checked Sep 30, 2026
- Sea surface temperature, mean of daily maxima 2015-2024 · Open-Meteo Marine API · checked Sep 30, 2026
- Daylight, sunrise and sunset on Aug 15, converted to America/Tijuana · sunrise-sunset.org · checked Sep 30, 2026
- Lodging tax rates 2026 · Ley de Hacienda del Estado de Baja California, chapter V (Congreso del Estado de Baja California mirror), rates confirmed by El Contribuyente and J.A. Del Rio · checked Sep 30, 2026
- Travel advisory · U.S. Department of State, Mexico Travel Advisory reissued May 29, 2026 · checked Sep 30, 2026
- Baja Studios history · local press (eSpiral TV, June 15, 2026; Wikipedia “Baja Studios”) and the municipal government of Playas de Rosarito · checked Sep 30, 2026
- We found no occupancy series, hotel-rate record, wave or wind data, or verified hours and admission for the beach, Popotla or Baja Studios, so none are quoted. The beachfront is not measured separately from the inland station · check operators when you book.