Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The shift from March to April is marked by an increase in the average high-temperature, moving from a wintry 38.3°F (3.5°C) to a cool 52.2°F (11.2°C). April's nights observe an average temperature of 36°F (2.2°C).Humidity
The average relative humidity in April is 59%.Rainfall
In April, the rain falls for 9.9 days. Throughout April, 1.02" (26mm) of precipitation is accumulated. In Saint Marie, during the entire year, the rain falls for 90.8 days and collects up to 11.1" (282mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Saint Marie, in April, during 3.4 snowfall days, 1.42" (36mm) of snow is typically accumulated. In Saint Marie, during the entire year, snow falls for 43.8 days and aggregates up to 13.11" (333mm) of snow.Daylight
The average length of the day in April is 13h and 43min.On the first day of April, sunrise is at 6:42 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:19 pm MDT.
Sunshine
In April, the average sunshine in Saint Marie is 9.1h.UV index
The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A daily maximum UV index of 3 in April translates into the following instructions:
Take necessary precautions - Defending against sun damage is advocated. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature in Saint Marie?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Saint Marie, MT
- Average high temperature in April: 52.2°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is February (23.7°F).
- Average low temperature in April: 36°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (10.2°F).
Average pressure in April
Saint Marie, MT
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in April
Saint Marie, MT
- Average wind speed in April: 11.7mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in April
Saint Marie, MT
- Average humidity in April: 59%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).
Average rainfall in April
Saint Marie, MT
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days in April
Saint Marie, MT
- Average rainfall days in April: 9.9 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in April
Saint Marie, MT
- Average snowfall in April: 1.42"
The month with the highest snowfall is December (2.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Saint Marie, MT
- Average snowfall days in April: 3.4 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Saint Marie, MT
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in April
Saint Marie, MT
- Average sunshine days in April: 16.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in April
Saint Marie, MT
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Saint Marie, MT
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility in April
Saint Marie, MT
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Saint Marie, Montana, USA
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