April weather forecastChester, MT
April
Weather in April
April is a cool spring month in Chester, Montana, with an average temperature varying between 53.1°F (11.7°C) and 36.5°F (2.5°C).Temperature
With the arrival of April, the average high-temperature transitions from an icy 41.7°F (5.4°C) in March to a cool 53.1°F (11.7°C). Throughout April nights, Chester registers an average low-temperature of 36.5°F (2.5°C).Humidity
In April, the average relative humidity in Chester is 58%.Rainfall
In Chester, in April, it is raining for 13.1 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 113.8 rainfall days, and 11.89" (302mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Chester, in April, snow falls for 5.8 days, with typically accumulated 3.35" (85mm) of snow. In Chester, Montana, during the entire year, snow falls for 65.1 days and aggregates up to 24.69" (627mm) of snow.Daylight
The average length of the day in April is 13h and 44min.On the first day of April in Chester, sunrise is at 6:59 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:37 pm MDT.
Sunshine
In Chester, the average sunshine in April is 9.1h.UV index
In April, the average daily maximum UV index in Chester is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 3 during April, leads to the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Experience reduced UV exposure by about half when donning a wide-brim hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Chester, MT
- Average high temperature in April: 53.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (28.2°F).
- Average low temperature in April: 36.5°F
The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure in April
Chester, MT
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in April
Chester, MT
- Average wind speed in April: 10.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in April
Chester, MT
- Average humidity in April: 58%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (39%).
Average rainfall in April
Chester, MT
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in April
Chester, MT
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (5 days).
Average snowfall in April
Chester, MT
- Average snowfall in April: 3.35"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Chester, MT
- Average snowfall days in April: 5.8 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Chester, MT
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 9h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in April
Chester, MT
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is September (19.5 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in April
Chester, 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
Chester, MT
- Average cloud cover in April: 40
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in April
Chester, 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).
