San Juan Weather in March

What's the weather like in San Juan (Texas) in March 2025?

The climate in San Juan during March can be summarized as warm, humid and dry.

March is in the spring in San Juan and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 15°C (60°F) is normal.

San Juan weather averages (imperial / metric)
Daytime temperature 26.8°C 80.2°F
Nightly temperature 15.4°C 59.7°F
Average temperature 21.1°C 70°F
Daily sunshine 6.5 hrs
Avg rainfall 13 mm 0.5 ins
Rainy days 2 days
Sea temperature 20.3°C 68.5°F
Humidity 71%
Windspeed 20.2kph 13 mph

On average March is the driest month of the year in San Juan with around 13mm 0.5 inches of rain making it a dry time to visit. This rainfall is typically spread over 2 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.5 hours of sunshine per day.

March temperatures in San Juan

San Juan average temperature in March

March rainfall

San Juan average rain in March

March hourly sunshine

San Juan average rain in March

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 San Juan in March 2025.

Other monthly averages

Best places to visit in March

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

San Juan weather stats

San Juan weather statistics
Hottest month: August 35.3°C 95.5°F
Driest month: March 13mm 0.5ins
Sunniest month: July 10.4hrs
Coldest month: January 20.3°C 68.5°F
Wettest month: September 110mm 4.3ins
Map showing location of San Juan (26.18924, -98.15529) San Juan map pin © Google

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