San Ramón Weather in May
What's the weather like in San Ramón (Junín) in May 2026?
The climate in San Ramón during May can be summarized as warm, humid and damp.
May is in the fall / autumn in San Ramón and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 15°C (59°F) is normal.
| Daytime temperature | 26.7°C 80.1°F |
|---|---|
| Nightly temperature | 14.9°C 58.8°F |
| Average temperature | 20.8°C 69.4°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 107 mm 4.2 ins |
| Rainy days | 8 days |
| Sea temperature | 19.6°C 67.3°F |
| Humidity | 74% |
| Windspeed | 7.6kph 5 mph |
On average May is the 4th driest month of the year in San Ramón with around 107mm 4.2 inches of rain making it a damp time to visit. This rainfall is typically spread over 8 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 San Ramón
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 San Ramón in May 2025.
Other monthly averages
San Ramón weather stats
| Hottest month: | February | 27.1°C 80.8°F |
|---|---|---|
| Driest month: | August | 64mm 2.5ins |
| Sunniest month: | May | 6hrs |
| Coldest month: | July | 25.3°C 77.5°F |
| Wettest month: | January | 249mm 9.8ins |
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