Castro Barros Weather in May
What's the weather like in Castro Barros (La Rioja) in May 2026?
The climate in Castro Barros during May can be summarized as mild and very dry.
May is in the fall / autumn in Castro Barros and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (73°F), whilst at night 11°C (51°F) is normal.
| Daytime temperature | 23°C 73.4°F |
|---|---|
| Nightly temperature | 10.8°C 51.4°F |
| Average temperature | 16.9°C 62.4°F |
| Daily sunshine | 6.7 hrs |
| Avg rainfall | 10 mm 0.4 ins |
| Rainy days | 2 days |
| Sea temperature | 17.2°C 63°F |
| Humidity | 69% |
| Windspeed | 6.5kph 4 mph |
On average May is the 4th driest month of the year in Castro Barros with around 10mm 0.4 inches of rain making it a very dry time to visit.
On the flip side this corresponds to an average of 6.7 hours of sunshine per day.
May temperatures in Castro Barros
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 Castro Barros in May 2025.
Other monthly averages
Castro Barros weather stats
| Hottest month: | January | 33.8°C 92.8°F |
|---|---|---|
| Driest month: | June | 2mm 0.1ins |
| Sunniest month: | August | 8.2hrs |
| Coldest month: | July | 19.3°C 66.7°F |
| Wettest month: | January | 94mm 3.7ins |
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