Climate averages 1991–2020
Rosarito weather
in May.
A mild, very dry month: the 7th warmest and the 5th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Rosarito: daytime highs average 19.6°C and nights cool to about 14.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 7.3 mm of rain on roughly 2 days, which makes May a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 48 min on an average May day.
The nearest other city in this atlas is Tijuana (16 km away). In May its highs average 19.4°C, about as warm as Rosarito, with 11 mm of rain.
Among the 153 cities listed in Mexico, Rosarito ranks 152nd of 153 for the warmest May highs and 19th of 153 for the driest May (rainfall, lowest first). The mean May high of those 153 cities is 29.6°C; Rosarito is 10.0°C cooler than that mean.
From May to June, average highs rise by 2.0°C to 21.6°C, and monthly rainfall falls from 7.3 mm to 1.0 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rosarito climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 17.2°C9.9°C | 9.9°C | 56 | 5.5 | 10.310 h |
| February | 16.8°C10.1°C | 10.1°C | 69 | 6.3 | 11.011 h |
| March | 17.4°C11.0°C | 11.0°C | 43 | 5.2 | 12.012 h |
| April | 18.5°C12.3°C | 12.3°C | 18 | 3.2 | 13.013 h |
| May, selected | 19.6°C14.2°C | 14.2°C | 7.3 | 1.5 | 13.814 h |
| June | 21.6°C16.0°C | 16.0°C | 1.0 | 0.2 | 14.214 h |
| July | 23.9°C18.3°C | 18.3°C | 1.1 | 0.2 | 14.114 h |
| August | 24.9°C19.3°C | 19.3°C | 0.4 | 0.1 | 13.313 h |
| September | 24.5°C18.5°C | 18.5°C | 3.1 | 0.5 | 12.412 h |
| October | 22.5°C16.0°C | 16.0°C | 13 | 2.1 | 11.411 h |
| November | 19.9°C12.7°C | 12.7°C | 20 | 3.1 | 10.511 h |
| December | 17.1°C9.9°C | 9.9°C | 44 | 5.2 | 10.110 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Tijuana in MayMexico · 16 kmHigh 19.4°C · Low 13.5°C · 11 mm rain
- Chula Vista in MayUnited States · 31 kmHigh 19.4°C · Low 13.6°C · 10 mm rain
- San Diego in MayUnited States · 41 kmHigh 20.2°C · Low 13.6°C · 7.1 mm rain
- El Cajon in MayUnited States · 49 kmHigh 21.7°C · Low 13.0°C · 10 mm rain
- Ensenada in MayMexico · 69 kmHigh 21.9°C · Low 14.2°C · 7.2 mm rain
- Escondido in MayUnited States · 84 kmHigh 22.2°C · Low 12.6°C · 16 mm rain
- San Marcos in MayUnited States · 88 kmHigh 20.7°C · Low 12.7°C · 13 mm rain
- Vista in MayUnited States · 95 kmHigh 22.0°C · Low 13.2°C · 13 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rosarito) is explained once on the Rosarito year overview and on the Sources, method and limits page.