Climate averages 1991–2020
Heroica Guaymas weather
in October.
A hot, fairly dry month: the 5th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Heroica Guaymas: daytime highs average 30.6°C and nights cool to about 22.8°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 17 mm of rain on roughly 2 days, which makes October a fairly dry month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 31 min on an average October day.
The nearest other city in this atlas is Ciudad Obregón (106 km away). In October its highs average 34.6°C, 4.0°C warmer than Heroica Guaymas, with 26 mm of rain.
Among the 153 cities listed in Mexico, Heroica Guaymas ranks joint 14th of 153 for the warmest October highs and joint 7th of 153 for the driest October (rainfall, lowest first). The mean October high of those 153 cities is 25.7°C; Heroica Guaymas is 4.9°C warmer than that mean.
From October to November, average highs fall by 4.5°C to 26.1°C, and monthly rainfall falls from 17 mm to 12 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Ciudad Obregón in OctoberMexico · 106 kmHigh 34.6°C · Low 20.7°C · 26 mm rain
- Hermosillo in OctoberMexico · 130 kmHigh 33.2°C · Low 19.1°C · 19 mm rain
- Navojoa in OctoberMexico · 172 kmHigh 34.8°C · Low 21.0°C · 31 mm rain
- Los Mochis in OctoberMexico · 303 kmHigh 33.6°C · Low 22.7°C · 26 mm rain
- Guasave in OctoberMexico · 356 kmHigh 33.9°C · Low 22.1°C · 33 mm rain
- Nogales in OctoberMexico · 377 kmHigh 26.4°C · Low 11.9°C · 22 mm rain
- Guamúchil in OctoberMexico · 392 kmHigh 33.8°C · Low 21.7°C · 35 mm rain
- Cuauhtémoc in OctoberMexico · 399 kmHigh 21.5°C · Low 9.1°C · 20 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.