Climate averages 1991–2020
Belmopan weather
in May.
A hot, wet month: the 2nd warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Belmopan: daytime highs average 32.0°C and nights cool to about 23.8°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 95 mm of rain on roughly 16 days, which makes May a wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 56 min on an average May day.
The nearest other city in this atlas is Chetumal (149 km away). In May its highs average 31.6°C, about as warm as Belmopan, with 93 mm of rain.
From May to June, average highs fall by 1.6°C to 30.3°C, and monthly rainfall rises from 95 mm to 162 mm.
The annual picture
May 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, selected | 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 | 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
May in nearby cities
- Chetumal in MayMexico · 149 kmHigh 31.6°C · Low 24.8°C · 93 mm rain
- Puerto Barrios in MayGuatemala · 171 kmHigh 30.1°C · Low 24.3°C · 171 mm rain
- Puerto Cortez in MayHonduras · 182 kmHigh 30.1°C · Low 24.7°C · 142 mm rain
- Choloma in MayHonduras · 202 kmHigh 31.7°C · Low 24.2°C · 146 mm rain
- San Pedro Sula in MayHonduras · 210 kmHigh 31.8°C · Low 23.5°C · 146 mm rain
- Panzos in MayGuatemala · 227 kmHigh 31.7°C · Low 23.6°C · 170 mm rain
- El Progreso in MayHonduras · 230 kmHigh 32.2°C · Low 23.5°C · 143 mm rain
- Cobán in MayGuatemala · 262 kmHigh 24.9°C · Low 17.0°C · 253 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.