Belmopan Weather in May
What's the weather like in Belmopan (Cayo) in May 2026?
The climate in Belmopan during May can be summarized as hot, humid and a little damp.
May is in the spring in Belmopan and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 31.5°C 88.7°F |
|---|---|
| Nightly temperature | 22.5°C 72.5°F |
| Average temperature | 27°C 80.6°F |
| Daily sunshine | 8.3 hrs |
| Avg rainfall | 94 mm 3.7 ins |
| Rainy days | 7 days |
| Sea temperature | 28.9°C 83.9°F |
| Humidity | 74% |
| Windspeed | 14kph 9 mph |
On average May is the 4th driest month of the year in Belmopan with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
May temperatures in Belmopan
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Belmopan in May 2025.
Other monthly averages
Belmopan weather stats
| Hottest month: | June | 31.1°C 88°F |
|---|---|---|
| Driest month: | April | 51mm 2ins |
| Sunniest month: | April | 8.6hrs |
| Coldest month: | January | 26.7°C 80.1°F |
| Wettest month: | June | 280mm 11ins |
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