The climate in Santa Helena de Goiás during May can be summarized as hot, humid and reasonably dry.
May is in the fall / autumn in Santa Helena de Goiás and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 30°C (85°F), whilst at night 17°C (63°F) is normal.
Daytime temperature | 29.5°C 85.1°F |
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Nightly temperature | 17.1°C 62.8°F |
Average temperature | 23.3°C 73.9°F |
Daily sunshine | 8.4 hrs |
Avg rainfall | 43 mm 1.7 ins |
Rainy days | 5 days |
Sea temperature | 24.1°C 75.3°F |
Humidity | 72% |
Windspeed | 4.3kph 3 mph |
On average May is the 4th driest month of the year in Santa Helena de Goiás with around 43mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
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 Santa Helena de Goiás in May 2025.
Hottest month: | October | 31.4°C 88.5°F |
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Driest month: | June | 11mm 0.4ins |
Sunniest month: | July | 9.7hrs |
Coldest month: | July | 28.8°C 83.8°F |
Wettest month: | December | 294mm 11.6ins |