Climate averages 1991–2020
Heroica Guaymas weather
in January.
A mild, very dry month: the coolest and the 5th 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 Heroica Guaymas: daytime highs average 21.9°C and nights cool to about 12.8°C. By daytime temperature it is the coolest month of the year.
Expect about 8.4 mm of rain on roughly 1 day, which makes January a very dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 35 min on an average January day.
The nearest other city in this atlas is Ciudad Obregón (106 km away). In January its highs average 25.8°C, 3.9°C warmer than Heroica Guaymas, with 11 mm of rain.
Among the 153 cities listed in Mexico, Heroica Guaymas ranks joint 76th of 153 for the warmest January highs and joint 14th of 153 for the driest January (rainfall, lowest first). The mean January high of those 153 cities is 22.4°C; Heroica Guaymas is 0.5°C cooler than that mean.
From January to February, average highs rise by 0.7°C to 22.6°C, and monthly rainfall rises from 8.4 mm to 11 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
Heroica Guaymas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 21.9°C12.8°C | 12.8°C | 8.4 | 1.3 | 10.611 h |
| February | 22.6°C13.5°C | 13.5°C | 11 | 1.5 | 11.211 h |
| March | 24.7°C15.2°C | 15.2°C | 5.4 | 0.5 | 12.012 h |
| April | 27.0°C17.6°C | 17.6°C | 1.3 | 0.2 | 12.813 h |
| May | 29.8°C20.8°C | 20.8°C | 0.3 | 0.1 | 13.514 h |
| June | 32.7°C25.1°C | 25.1°C | 1.2 | 0.2 | 13.914 h |
| July | 33.8°C28.1°C | 28.1°C | 9.8 | 2.4 | 13.714 h |
| August | 33.9°C28.5°C | 28.5°C | 26 | 4.5 | 13.113 h |
| September | 32.7°C27.0°C | 27.0°C | 59 | 5.5 | 12.312 h |
| October | 30.6°C22.8°C | 22.8°C | 17 | 2.2 | 11.512 h |
| November | 26.1°C17.5°C | 17.5°C | 12 | 1.3 | 10.811 h |
| December | 22.0°C13.5°C | 13.5°C | 12 | 1.5 | 10.410 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
- Ciudad Obregón in JanuaryMexico · 106 kmHigh 25.8°C · Low 10.6°C · 11 mm rain
- Hermosillo in JanuaryMexico · 130 kmHigh 23.8°C · Low 9.4°C · 12 mm rain
- Navojoa in JanuaryMexico · 172 kmHigh 26.4°C · Low 10.9°C · 14 mm rain
- Los Mochis in JanuaryMexico · 303 kmHigh 25.6°C · Low 13.4°C · 13 mm rain
- Guasave in JanuaryMexico · 356 kmHigh 26.9°C · Low 12.8°C · 15 mm rain
- Nogales in JanuaryMexico · 377 kmHigh 16.3°C · Low 2.1°C · 35 mm rain
- Guamúchil in JanuaryMexico · 392 kmHigh 27.4°C · Low 12.0°C · 19 mm rain
- Cuauhtémoc in JanuaryMexico · 399 kmHigh 14.3°C · Low 0.7°C · 12 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 Heroica Guaymas) is explained once on the Heroica Guaymas year overview and on the Sources, method and limits page.