Climate averages 1991–2020
San Luis Río Colorado weather
in January.
A mild, very dry month: the 11th warmest and the joint 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a mild month in San Luis Río Colorado: daytime highs average 21.0°C and nights cool to about 8.6°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 9.2 mm of rain on roughly 2 days, which makes January a very dry month (the joint 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 17 min on an average January day.
The nearest other city in this atlas is Yuma (33 km away). In January its highs average 21.2°C, about as warm as San Luis Río Colorado, with 11 mm of rain.
Among the 153 cities listed in Mexico, San Luis Río Colorado ranks joint 88th of 153 for the warmest January highs and joint 21st of 153 for the driest January (rainfall, lowest first). The mean January high of those 153 cities is 22.4°C; San Luis Río Colorado is 1.4°C cooler than that mean.
From January to February, average highs rise by 1.9°C to 22.9°C, and monthly rainfall rises from 9.2 mm to 13 mm.
The annual picture
January 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
San Luis Río Colorado climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 21.0°C8.6°C | 8.6°C | 9.2 | 1.5 | 10.310 h |
| February | 22.9°C9.9°C | 9.9°C | 13 | 2.3 | 11.011 h |
| March | 26.7°C12.5°C | 12.5°C | 10 | 1.5 | 12.012 h |
| April | 30.3°C15.3°C | 15.3°C | 3.0 | 0.6 | 13.013 h |
| May | 34.5°C18.9°C | 18.9°C | 0.7 | 0.2 | 13.814 h |
| June | 39.3°C23.1°C | 23.1°C | 0.6 | 0.2 | 14.214 h |
| July | 41.2°C27.4°C | 27.4°C | 4.8 | 1.5 | 14.114 h |
| August | 40.8°C28.0°C | 28.0°C | 11 | 2.9 | 13.313 h |
| September | 37.9°C24.8°C | 24.8°C | 13 | 2.2 | 12.412 h |
| October | 32.0°C18.5°C | 18.5°C | 4.9 | 0.9 | 11.411 h |
| November | 25.2°C12.5°C | 12.5°C | 5.5 | 0.8 | 10.511 h |
| December | 19.9°C8.1°C | 8.1°C | 9.2 | 1.7 | 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
January in nearby cities
- Yuma in JanuaryUnited States · 33 kmHigh 21.2°C · Low 8.6°C · 11 mm rain
- Mexicali in JanuaryMexico · 67 kmHigh 20.9°C · Low 9.7°C · 9.4 mm rain
- Ensenada in JanuaryMexico · 184 kmHigh 18.7°C · Low 9.0°C · 58 mm rain
- Indio in JanuaryUnited States · 195 kmHigh 19.7°C · Low 9.6°C · 28 mm rain
- El Cajon in JanuaryUnited States · 209 kmHigh 17.9°C · Low 7.9°C · 57 mm rain
- Tijuana in JanuaryMexico · 210 kmHigh 16.9°C · Low 9.0°C · 63 mm rain
- Rosarito in JanuaryMexico · 214 kmHigh 17.2°C · Low 9.9°C · 56 mm rain
- Chula Vista in JanuaryUnited States · 218 kmHigh 17.1°C · Low 9.3°C · 57 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 San Luis Río Colorado) is explained once on the San Luis Río Colorado year overview and on the Sources, method and limits page.