April weather forecastSun River, MT
April
Weather in April
April is a fresh spring month in Sun River, Montana, with temperature in the range of an average low of 34.3°F (1.3°C) and an average high of 51.4°F (10.8°C).Temperature
In Sun River, the onset of April comes with a modest high-temperature shift, transitioning from March's cold 42.6°F (5.9°C) to a cool 51.4°F (10.8°C). Sun River's nighttime temperature in April drops to an average of 34.3°F (1.3°C).Humidity
In Sun River, Montana, the average relative humidity in April is 63%.Rainfall
In Sun River, in April, it is raining for 14.1 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 112.8 rainfall days, and 12.95" (329mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Sun River. In April, in Sun River, Montana, it is snowing for 6 days. Throughout April, 4.41" (112mm) of snow is accumulated. In Sun River, Montana, during the entire year, snow falls for 69.4 days and aggregates up to 35.35" (898mm) of snow.Daylight
In April, the average length of the day in Sun River is 13h and 40min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:57 pm. On the last day of April, in Sun River, sunrise is at 6:09 am and sunset at 8:38 pm MDT.
Sunshine
The average sunshine in April is 8.9h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In April, a daily UV index of 3 turns into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sun River, MT
- Average high temperature in April: 51.4°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (29.5°F).
- Average low temperature in April: 34.3°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (17.4°F).
Average pressure in April
Sun River, MT
- Average pressure in April: 29.95"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Sun River, MT
- Average wind speed in April: 9.5mph
The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in April
Sun River, MT
- Average humidity in April: 63%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in April
Sun River, MT
- Average rainfall in April: 1.61"
The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").
Average rainfall days in April
Sun River, MT
- Average rainfall days in April: 14.1 days
The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in April
Sun River, MT
- Average snowfall in April: 4.41"
The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Sun River, MT
- Average snowfall days in April: 6 days
The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Sun River, MT
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 8h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in April
Sun River, MT
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (10.3 days).
Average UV index in April
Sun River, MT
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in April
Sun River, MT
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 14).
Average visibility in April
Sun River, 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).
