Climate averages 1991–2020
Belmopan weather
in August.
A hot, wet month: the 3rd warmest and the joint 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Belmopan: daytime highs average 30.8°C and nights cool to about 23.7°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 126 mm of rain on roughly 24 days, which makes August a wet month (the joint 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 42 min on an average August day.
The nearest other city in this atlas is Chetumal (149 km away). In August its highs average 31.1°C, about as warm as Belmopan, with 158 mm of rain.
From August to September, average highs fall by 0.3°C to 30.5°C, and monthly rainfall rises from 126 mm to 150 mm.
The annual picture
August 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
Belmopan climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.3°C19.6°C | 19.6°C | 68 | 14.6 | 11.211 h |
| February | 27.9°C20.3°C | 20.3°C | 38 | 10.7 | 11.612 h |
| March | 29.9°C21.2°C | 21.2°C | 38 | 9.5 | 12.012 h |
| April | 32.1°C22.9°C | 22.9°C | 39 | 8.4 | 12.513 h |
| May | 32.0°C23.8°C | 23.8°C | 95 | 16.1 | 12.913 h |
| June | 30.3°C24.0°C | 24.0°C | 162 | 24.8 | 13.113 h |
| July | 30.1°C23.6°C | 23.6°C | 126 | 24.0 | 13.113 h |
| August, selected | 30.8°C23.7°C | 23.7°C | 126 | 23.7 | 12.713 h |
| September | 30.5°C23.5°C | 23.5°C | 150 | 24.9 | 12.212 h |
| October | 28.8°C22.5°C | 22.5°C | 169 | 22.1 | 11.812 h |
| November | 27.2°C20.8°C | 20.8°C | 121 | 17.1 | 11.311 h |
| December | 26.5°C20.0°C | 20.0°C | 76 | 16.3 | 11.111 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
August in nearby cities
- Chetumal in AugustMexico · 149 kmHigh 31.1°C · Low 24.9°C · 158 mm rain
- Puerto Barrios in AugustGuatemala · 171 kmHigh 29.5°C · Low 24.0°C · 280 mm rain
- Puerto Cortez in AugustHonduras · 182 kmHigh 29.4°C · Low 24.4°C · 195 mm rain
- Choloma in AugustHonduras · 202 kmHigh 30.5°C · Low 24.0°C · 171 mm rain
- San Pedro Sula in AugustHonduras · 210 kmHigh 30.3°C · Low 23.2°C · 171 mm rain
- Panzos in AugustGuatemala · 227 kmHigh 29.9°C · Low 22.8°C · 232 mm rain
- El Progreso in AugustHonduras · 230 kmHigh 30.5°C · Low 23.0°C · 239 mm rain
- Cobán in AugustGuatemala · 262 kmHigh 23.8°C · Low 16.9°C · 303 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 Belmopan) is explained once on the Belmopan year overview and on the Sources, method and limits page.