April weather forecastSaint Clair, MN
April
Weather in April
April in Saint Clair, Minnesota, is a cool spring month, with an average temperature ranging between max 54.7°F (12.6°C) and min 39.4°F (4.1°C).Temperature
With the onset of April, Saint Clair sees a temperature rise, with the average high-temperature moving from March's icy 40.6°F (4.8°C) to a fresh 54.7°F (12.6°C). In Saint Clair, April nights cool down to an average of 39.4°F (4.1°C).Humidity
In April, the average relative humidity is 70%.Rainfall
In Saint Clair, during April, the rain falls for 11.8 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Saint Clair, during the entire year, the rain falls for 97.8 days and collects up to 14.21" (361mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 2.4 snowfall days, in April, Saint Clair aggregates 1.02" (26mm) of snow. Throughout the year, there are 44.9 snowfall days, and 12.72" (323mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 29min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:43 pm. On the last day of April, sunrise is at 6:06 am and sunset at 8:18 pm CDT.
Sunshine
The average sunshine in April is 7.5h.UV index
In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 4 during April morphs into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Saint Clair, MN
- Average high temperature in April: 54.7°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in April: 39.4°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure in April
Saint Clair, MN
- Average pressure in April: 29.94"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Saint Clair, MN
- Average wind speed in April: 10.1mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in April
Saint Clair, MN
- Average humidity in April: 70%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is October (69%).
Average rainfall in April
Saint Clair, MN
- Average rainfall in April: 1.3"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in April
Saint Clair, MN
- Average rainfall days in April: 11.8 days
The month with the highest number of rainy days is June (14.7 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in April
Saint Clair, MN
- Average snowfall in April: 1.02"
The month with the highest snowfall is February (3.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Saint Clair, MN
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Saint Clair, MN
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 7h and 30min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in April
Saint Clair, MN
- Average sunshine days in April: 15.3 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (13.6 days).
Average UV index in April
Saint Clair, MN
- Average UV index in April: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Saint Clair, MN
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in April
Saint Clair, MN
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





