April weather forecastCorvallis, MT
April
Weather in April
April in Corvallis, Montana, is a chilly spring month, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 43.5°F (6.4°C).Temperature
As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a wintry 36°F (2.2°C) to a chilly 43.5°F (6.4°C). In Corvallis, April nights witness a steady temperature drop to a freezing cold 25.9°F (-3.4°C).Humidity
In April, the average relative humidity in Corvallis is 79%.Rainfall
The wettest months in Corvallis are February and April, with an average 2.36" (60mm) of rainfall.Snowfall
Months with snowfall in Corvallis are January through May, September through December. In Corvallis, Montana, in April, during 10.3 snowfall days, 5.67" (144mm) of snow is typically accumulated. Throughout the year, there are 101.1 snowfall days, and 59.17" (1503mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 36min.On the first day of April in Corvallis, Montana, sunrise is at 7:14 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 8:44 pm MDT.
Sunshine
In Corvallis, the average sunshine in April is 8.9h.UV index
In April, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in April converts into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Corvallis, MT
- Average high temperature in April: 43.5°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in April: 25.9°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).
Average pressure in April
Corvallis, MT
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Corvallis, MT
- Average wind speed in April: 5mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in April
Corvallis, MT
- Average humidity in April: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).
Average rainfall in April
Corvallis, MT
- Average rainfall in April: 2.36"
The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days in April
Corvallis, MT
- Average rainfall days in April: 18.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).
Average snowfall in April
Corvallis, MT
- Average snowfall in April: 5.67"
The month with the highest snowfall is February (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Corvallis, MT
- Average snowfall days in April: 10.3 days
The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Corvallis, MT
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 8h and 54min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in April
Corvallis, MT
- Average sunshine days in April: 6.9 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in April
Corvallis, 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 February and December (UV index 1).
Average cloud cover in April
Corvallis, MT
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
Corvallis, 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).





