Palmer Weather in May

What's the weather like in Palmer (Rio Grande) in May 2025?

The climate in Palmer during May can be summarized as hot, humid and very wet.

May is in the spring in Palmer and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (73°F) is normal.

Palmer weather averages (imperial / metric)
Daytime temperature 29.7°C 85.5°F
Nightly temperature 22.7°C 72.9°F
Average temperature 26.2°C 79.2°F
Daily sunshine 8.7 hrs
Avg rainfall 217 mm 8.5 ins
Rainy days 16 days
Sea temperature 27.4°C 81.4°F
Humidity 75%
Windspeed 15.1kph 9 mph

On average May is the 2nd wettest month of the year in Palmer with around 217mm 8.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.7 hours of sunshine per day.

May temperatures in Palmer

Palmer average temperature in May

May rainfall

Palmer average rain in May

May hourly sunshine

Palmer average rain in May

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 Palmer in May 2025.

Other monthly averages

Best places to visit in May

UV index Best time to go?

Palmer weather stats

Palmer weather statistics
Hottest month: August 30.4°C 86.7°F
Driest month: February 87mm 3.4ins
Sunniest month: March 9.6hrs
Coldest month: February 27.2°C 81°F
Wettest month: October 221mm 8.7ins
Map showing location of Palmer (18.37051, -65.77405) Palmer map pin © Google

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