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Rio Grande Weather in May
May in Rio Grande brings pleasant temperatures, with daytime highs of 22°C (72°F) and nights around 12°C (54°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
Rainfall in Rio Grande in May
You can expect the least amount of rain of the year this month, making it perfect for outdoor events and activities. On average, there are about 11 days with rain during this month, averaging 71 mm (2.8 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Rio Grande in May
May is a excellent month in Rio Grande, with 22°C (72°F) during the day and 12°C (54°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Average water temperature in May
The water is 15°C (59°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.If you're inclined towards comfortable temperatures and drier conditions, May is a good time to visit Rio Grande.
Rio Grande Temperature in May
Min Temperature
12°C (54°F)
Max Temperature
22°C (72°F)
Water Temperature
15°C (59°F) *
Chance of Rain
37%
Precipitation
71 mm (2.8 in)
Rainy days
11 days
* Data from: Cape May, the United States of America (9 KM, 5 Miles).
Rio Grande Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rio Grande - and find the best time to visit.
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Rio Grande in May
For Rio Grande in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. The water temperature sits at about 15°C (59°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water.
What To Do in Rio Grande in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Rio Grande 3-Day Forecast
More climate data for Rio Grande
Temperature Rainfall Water Temp
See the full Rio Grande climate overview or explore weather in the United States of America.
Popular in May
Where to go in May - average daytime high across popular destinations.
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