Cacoal Weather in May
What's the weather like in Cacoal (Rondônia) in May 2025?
The climate in Cacoal during May can be summarized as hot, humid and a little damp.
May is in the fall / autumn in Cacoal and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 31.2°C 88.1°F |
|---|---|
| Nightly temperature | 20.1°C 68.1°F |
| Average temperature | 25.6°C 78.1°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 84 mm 3.3 ins |
| Rainy days | 11 days |
| Sea temperature | 23.1°C 73.6°F |
| Humidity | 83% |
| Windspeed | 6.5kph 4 mph |
On average May is the 4th driest month of the year in Cacoal with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
May temperatures in Cacoal
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 Cacoal in May 2025.
Other monthly averages
Cacoal weather stats
| Hottest month: | October | 33.3°C 91.9°F |
|---|---|---|
| Driest month: | July | 11mm 0.4ins |
| Sunniest month: | July | 8.2hrs |
| Coldest month: | June | 30.3°C 86.5°F |
| Wettest month: | December | 303mm 11.9ins |
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