Climate averages 1991–2020
Guamúchil weather
in December.
A warm, fairly dry month: the coolest and the 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Guamúchil: daytime highs average 27.3°C and nights cool to about 12.8°C. By daytime temperature it is the coolest month of the year.
Expect about 22 mm of rain on roughly 2 days, which makes December a fairly dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 35 min on an average December day.
The nearest other city in this atlas is Guasave (41 km away). In December its highs average 27.0°C, about as warm as Guamúchil, with 15 mm of rain.
Among the 153 cities listed in Mexico, Guamúchil ranks 17th of 153 for the warmest December highs and joint 105th of 153 for the driest December (rainfall, lowest first). The mean December high of those 153 cities is 22.7°C; Guamúchil is 4.6°C warmer than that mean.
From December to January, average highs rise by 0.1°C to 27.4°C, and monthly rainfall falls from 22 mm to 19 mm.
The annual picture
December 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
Guamúchil climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.4°C12.0°C | 12.0°C | 19 | 1.9 | 10.711 h |
| February | 28.5°C12.7°C | 12.7°C | 16 | 1.8 | 11.311 h |
| March | 30.7°C14.2°C | 14.2°C | 4.0 | 0.6 | 12.012 h |
| April | 33.1°C16.3°C | 16.3°C | 1.3 | 0.3 | 12.713 h |
| May | 35.4°C19.3°C | 19.3°C | 0.7 | 0.3 | 13.413 h |
| June | 36.2°C24.2°C | 24.2°C | 15 | 2.8 | 13.714 h |
| July | 34.5°C25.4°C | 25.4°C | 130 | 15.1 | 13.614 h |
| August | 33.4°C25.3°C | 25.3°C | 166 | 17.5 | 13.013 h |
| September | 32.6°C24.5°C | 24.5°C | 131 | 14.0 | 12.312 h |
| October | 33.8°C21.7°C | 21.7°C | 35 | 4.0 | 11.612 h |
| November | 31.1°C16.7°C | 16.7°C | 44 | 2.2 | 10.911 h |
| December, selected | 27.3°C12.8°C | 12.8°C | 22 | 2.1 | 10.611 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
December in nearby cities
- Guasave in DecemberMexico · 41 kmHigh 27.0°C · Low 13.4°C · 15 mm rain
- Los Mochis in DecemberMexico · 99 kmHigh 25.8°C · Low 14.2°C · 12 mm rain
- Culiacán in DecemberMexico · 100 kmHigh 28.0°C · Low 13.4°C · 17 mm rain
- Navojoa in DecemberMexico · 225 kmHigh 26.1°C · Low 11.3°C · 18 mm rain
- La Paz, Mexico in DecemberMexico · 269 kmHigh 23.7°C · Low 16.0°C · 9.6 mm rain
- Hidalgo del Parral in DecemberMexico · 291 kmHigh 19.1°C · Low 3.5°C · 12 mm rain
- Ciudad Obregón in DecemberMexico · 292 kmHigh 25.5°C · Low 11.0°C · 17 mm rain
- Mazatlán in DecemberMexico · 300 kmHigh 26.0°C · Low 17.6°C · 9.3 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 Guamúchil) is explained once on the Guamúchil year overview and on the Sources, method and limits page.