Dieciocho de Julio Weather in May
What's the weather like in Dieciocho de Julio (Rocha) in May 2026?
The climate in Dieciocho de Julio during May can be summarized as mild and a little damp.
May is in the fall / autumn in Dieciocho de Julio and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 10°C (50°F) is normal.
| Daytime temperature | 19.7°C 67.5°F |
|---|---|
| Nightly temperature | 9.9°C 49.8°F |
| Average temperature | 14.8°C 58.6°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 93 mm 3.7 ins |
| Rainy days | 9 days |
| Sea temperature | 17.6°C 63.7°F |
| Humidity | 83% |
| Windspeed | 10.4kph 7 mph |
On average May is the 4th driest month of the year in Dieciocho de Julio with around 93mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 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 Dieciocho de Julio
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 Dieciocho de Julio in May 2025.
Other monthly averages
Dieciocho de Julio weather stats
| Hottest month: | January | 27.7°C 81.9°F |
|---|---|---|
| Driest month: | April | 78mm 3.1ins |
| Sunniest month: | January | 9.1hrs |
| Coldest month: | July | 15.9°C 60.6°F |
| Wettest month: | July | 118mm 4.6ins |
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