Cuiabá Weather in May
What's the weather like in Cuiabá (Mato Grosso) in May 2026?
The climate in Cuiabá during May can be summarized as hot, humid and reasonably dry.
May is in the fall / autumn in Cuiabá and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 20°C (67°F) is normal.
| Daytime temperature | 31.5°C 88.7°F |
|---|---|
| Nightly temperature | 19.5°C 67.1°F |
| Average temperature | 25.5°C 77.9°F |
| Daily sunshine | 7.2 hrs |
| Avg rainfall | 53 mm 2.1 ins |
| Rainy days | 6 days |
| Sea temperature | 23.1°C 73.6°F |
| Humidity | 75% |
| Windspeed | 5.4kph 3 mph |
On average May is the 4th driest month of the year in Cuiabá with around 53mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
May temperatures in Cuiabá
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 Cuiabá in May 2025.
Other monthly averages
Cuiabá weather stats
| Hottest month: | September | 33.6°C 92.5°F |
|---|---|---|
| Driest month: | July | 9mm 0.4ins |
| Sunniest month: | July | 8.5hrs |
| Coldest month: | June | 30.3°C 86.5°F |
| Wettest month: | January | 216mm 8.5ins |
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