Climate averages 1991–2020
Chetumal weather
in October.
A hot, very wet month: the 8th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Chetumal: daytime highs average 29.2°C and nights cool to about 23.5°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 190 mm of rain on roughly 22 days, which makes October a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 44 min on an average October day.
The nearest other city in this atlas is Belmopan (149 km away). In October its highs average 28.8°C, about as warm as Chetumal, with 169 mm of rain.
Among the 153 cities listed in Mexico, Chetumal ranks 30th of 153 for the warmest October highs and joint 136th of 153 for the driest October (rainfall, lowest first). The mean October high of those 153 cities is 25.7°C; Chetumal is 3.5°C warmer than that mean.
From October to November, average highs fall by 1.4°C to 27.8°C, and monthly rainfall falls from 190 mm to 96 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
Chetumal climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C20.8°C | 20.8°C | 52 | 12.3 | 11.111 h |
| February | 28.2°C21.6°C | 21.6°C | 24 | 7.2 | 11.512 h |
| March | 29.7°C22.4°C | 22.4°C | 26 | 6.8 | 12.012 h |
| April | 31.3°C24.0°C | 24.0°C | 32 | 7.4 | 12.613 h |
| May | 31.6°C24.8°C | 24.8°C | 93 | 15.3 | 13.013 h |
| June | 30.4°C25.0°C | 25.0°C | 193 | 21.5 | 13.213 h |
| July | 30.8°C24.9°C | 24.9°C | 120 | 20.9 | 13.113 h |
| August | 31.1°C24.9°C | 24.9°C | 158 | 23.2 | 12.813 h |
| September | 30.6°C24.6°C | 24.6°C | 186 | 25.2 | 12.312 h |
| October, selected | 29.2°C23.5°C | 23.5°C | 190 | 21.8 | 11.712 h |
| November | 27.8°C22.0°C | 22.0°C | 96 | 14.8 | 11.311 h |
| December | 27.1°C21.2°C | 21.2°C | 55 | 13.3 | 11.011 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
- Belmopan in OctoberBelize · 149 kmHigh 28.8°C · Low 22.5°C · 169 mm rain
- Cozumel in OctoberMexico · 262 kmHigh 27.9°C · Low 25.9°C · 215 mm rain
- Playa del Carmen in OctoberMexico · 267 kmHigh 28.4°C · Low 24.6°C · 188 mm rain
- Campeche in OctoberMexico · 275 kmHigh 30.3°C · Low 23.9°C · 108 mm rain
- Kanasín in OctoberMexico · 299 kmHigh 31.2°C · Low 22.8°C · 86 mm rain
- Puerto Cortez in OctoberHonduras · 302 kmHigh 28.1°C · Low 23.7°C · 314 mm rain
- Mérida in OctoberMexico · 305 kmHigh 30.9°C · Low 23.0°C · 86 mm rain
- Puerto Barrios in OctoberGuatemala · 312 kmHigh 28.3°C · Low 23.3°C · 373 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 Chetumal) is explained once on the Chetumal year overview and on the Sources, method and limits page.