The climate in San Cosme during May can be summarized as warm and a little damp.
May is in the fall / autumn in San Cosme and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 14°C (57°F) is normal.
Daytime temperature | 23.9°C 75°F |
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Nightly temperature | 13.9°C 57°F |
Average temperature | 18.9°C 66°F |
Daily sunshine | 6.9 hrs |
Avg rainfall | 90 mm 3.5 ins |
Rainy days | 5 days |
Sea temperature | 19.9°C 67.9°F |
Humidity | 80% |
Windspeed | 9kph 6 mph |
On average May is the 5th driest month of the year in San Cosme with around 90mm 3.5 inches of rain making it a a little damp 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 6.9 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 San Cosme in May 2025.
Hottest month: | January | 32.9°C 91.2°F |
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Driest month: | July | 46mm 1.8ins |
Sunniest month: | December | 9.8hrs |
Coldest month: | June | 20.8°C 69.4°F |
Wettest month: | January | 165mm 6.5ins |