Climate averages 1991–2020
Hermosillo weather
in March.
A hot, very dry month: the 8th warmest and the 4th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Hermosillo: daytime highs average 28.5°C and nights cool to about 12.3°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 6.5 mm of rain on fewer than one day, which makes March a very dry month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 59 min on an average March day.
The nearest other city in this atlas is Heroica Guaymas (130 km away). In March its highs average 24.7°C, 3.8°C cooler than Hermosillo, with 5.4 mm of rain.
Among the 153 cities listed in Mexico, Hermosillo ranks 43rd of 153 for the warmest March highs and 18th of 153 for the driest March (rainfall, lowest first). The mean March high of those 153 cities is 26.5°C; Hermosillo is 1.9°C warmer than that mean.
From March to April, average highs rise by 3.2°C to 31.7°C, and monthly rainfall falls from 6.5 mm to 1.4 mm.
The annual picture
March 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
Hermosillo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 23.8°C9.4°C | 9.4°C | 12 | 1.6 | 10.511 h |
| February | 25.0°C10.3°C | 10.3°C | 15 | 2.0 | 11.111 h |
| March, selected | 28.5°C12.3°C | 12.3°C | 6.5 | 0.8 | 12.012 h |
| April | 31.7°C14.9°C | 14.9°C | 1.4 | 0.4 | 12.813 h |
| May | 35.2°C18.1°C | 18.1°C | 0.4 | 0.1 | 13.614 h |
| June | 39.1°C23.3°C | 23.3°C | 3.3 | 1.1 | 14.014 h |
| July | 38.3°C26.6°C | 26.6°C | 40 | 7.6 | 13.814 h |
| August | 37.6°C26.6°C | 26.6°C | 51 | 9.8 | 13.213 h |
| September | 36.0°C24.5°C | 24.5°C | 52 | 7.1 | 12.412 h |
| October | 33.2°C19.1°C | 19.1°C | 19 | 2.1 | 11.511 h |
| November | 27.9°C13.5°C | 13.5°C | 13 | 1.5 | 10.711 h |
| December | 23.1°C9.4°C | 9.4°C | 19 | 1.9 | 10.310 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
March in nearby cities
- Heroica Guaymas in MarchMexico · 130 kmHigh 24.7°C · Low 15.2°C · 5.4 mm rain
- Ciudad Obregón in MarchMexico · 205 kmHigh 29.8°C · Low 13.2°C · 6.9 mm rain
- Nogales in MarchMexico · 247 kmHigh 20.7°C · Low 5.5°C · 24 mm rain
- Navojoa in MarchMexico · 270 kmHigh 30.5°C · Low 13.5°C · 4.2 mm rain
- Agua Prieta in MarchMexico · 284 kmHigh 21.8°C · Low 6.5°C · 15 mm rain
- Tucson in MarchUnited States · 348 kmHigh 23.3°C · Low 8.5°C · 17 mm rain
- Cuauhtémoc in MarchMexico · 407 kmHigh 19.3°C · Low 4.0°C · 7.7 mm rain
- Los Mochis in MarchMexico · 415 kmHigh 28.7°C · Low 14.8°C · 1.7 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 Hermosillo) is explained once on the Hermosillo year overview and on the Sources, method and limits page.