Weather in Rio Grande: May
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Average day temperature: | 64.2°F |
| Average night temperature: | 59.4°F | |
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Sea water temperature: | 64.9°F |
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Number of sunny days: | 12 days |
| Day length: | 10.2 - 10.8 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 2.1 in. | |
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forecast
| Rio Grande |
temperature
| Rio Grande |
Air temperature in May, °F
The highest day temperature during May of 2025 was 73°F. At the same time the lowest night temperature was 49°F. Daily and nightly averages during May were 66.6°F and 60.9°F.
Sea water temperature in Rio Grande in May, °F
The average sea water temperature in May of 2025 was 66.3°F. The highest and lowest sea temperatures during the month were 69.6°F and 61.0°F.
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Rio Grande in May is 2.1 in. Other months of the year show relatively similar values.
The average wind speed value in May is 10.7 mph It makes May one of the least windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 5.7.
Best time for vacation in Rio Grande
Rio Grande on a weather map
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