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
As Garrison, Montana, welcomes April, the average high-temperature sees a modest rise, transitioning from a cold 35.4°F (1.9°C) in March to a chilly 43.9°F (6.6°C). During the month of April, Garrison anticipates a mean low-temperature of 26.1°F (-3.3°C).Humidity
In April, the average relative humidity in Garrison is 76%.Rainfall
In Garrison, in April, during 15.5 rainfall days, 2.36" (60mm) of precipitation is typically accumulated. Throughout the year, in Garrison, Montana, there are 122.8 rainfall days, and 17.13" (435mm) of precipitation is accumulated.Snowfall
Months with snowfall in Garrison, Montana, are January through June, September through December. In Garrison, in April, during 16.4 snowfall days, 12.44" (316mm) of snow is typically accumulated. In Garrison, during the entire year, snow falls for 125.4 days and aggregates up to 77.91" (1979mm) of snow.Daylight
In April, the average length of the day is 13h and 37min.On the first day of the month, sunrise is at 7:08 am and sunset at 8:00 pm. On the last day of April, sunrise is at 6:16 am and sunset at 8:39 pm MDT.
Sunshine
In April, the average sunshine is 9h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Garrison. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in April leads to these guidelines:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
Is April cold in Garrison?
What is the average humidity in April in Garrison?
How much does it rain in Garrison in April?
How much does it snow in Garrison in April?
How many hours of daylight does Garrison have in April?
What time are sunrise and sunset in April in Garrison?
How long on average sun shines in April in Garrison?
What is the month with the lowest UV index in Garrison?
What is the UV index reading in April in Garrison?
Average temperature in April
Garrison, MT
- Average high temperature in April: 43.9°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in April: 26.1°F
The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).
Average pressure in April
Garrison, MT
- Average pressure in April: 29.99"Hg
The months with the highest atmospheric pressure are January and December (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Garrison, MT
- Average wind speed in April: 6.3mph
The windiest months (with the highest average wind speed) are January, April and November (6.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in April
Garrison, MT
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in April
Garrison, MT
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is June (2.52").
The driest month (with the least rainfall) is August (0.67").
Average rainfall days in April
Garrison, MT
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is August (7.3 days).
Average snowfall in April
Garrison, MT
- Average snowfall in April: 12.44"
The month with the highest snowfall is February (12.76").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Garrison, MT
- Average snowfall days in April: 16.4 days
The month with the highest number of snowfall days is February (20.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Garrison, MT
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in April
Garrison, MT
- Average sunshine days in April: 6.3 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is April (6.3 days).
Average UV index in April
Garrison, MT
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in April
Garrison, MT
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in April
Garrison, MT
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Garrison, Montana, USA
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