Union Weather in March

What's the weather like in Union (Missouri) in March 2025?

The climate in Union during March can be summarized as cool and a little damp.

March is in the spring in Union and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 1°C (33°F) is normal.

Union weather averages (imperial / metric)
Daytime temperature 12.6°C 54.7°F
Nightly temperature 0.8°C 33.4°F
Average temperature 6.7°C 44.1°F
Daily sunshine 6.9 hrs
Avg rainfall 87 mm 3.4 ins
Rainy days 11 days
Sea temperature 10.9°C 51.6°F
Humidity 67%
Windspeed 20.5kph 13 mph

On average March is the 6th wettest month of the year in Union with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.9 hours of sunshine per day.

March temperatures in Union

Union average temperature in March

March rainfall

Union average rain in March

March hourly sunshine

Union 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 Union 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

Union weather stats

Union weather statistics
Hottest month: July 31.4°C 88.5°F
Driest month: January 45mm 1.8ins
Sunniest month: July 10.8hrs
Coldest month: January 3.2°C 37.8°F
Wettest month: May 111mm 4.4ins
Map showing location of Union (38.45005, -91.00848) Union map pin © Google

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