April weather forecastJackson, MT
April
Weather in April
April, the same as March, is an icy spring month in Jackson, Montana, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 25°F (-3.9°C).Temperature
Jackson's April weather indicates a minor increase in high-temperatures, edging from March's icy 34°F (1.1°C) to a still cold 41.9°F (5.5°C). An average low-temperature of 25°F (-3.9°C) is anticipated throughout the nights during April.Humidity
In April, the average relative humidity is 74%.Rainfall
In Jackson, in April, during 17.9 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 129.5 rainfall days, and 12.4" (315mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In April, it is snowing for 8.4 days. Throughout April, 3.39" (86mm) of snow is accumulated. In Jackson, during the entire year, snow falls for 63.5 days and aggregates up to 22.76" (578mm) of snow.Daylight
The average length of the day in April is 13h and 33min.On the first day of April, sunrise is at 7:12 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 8:39 pm MDT.
Sunshine
In April, the average sunshine is 9h.UV index
In Jackson, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: In April, the maximum UV index of 2 transforms into these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Jackson, MT
- Average high temperature in April: 41.9°F
The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is December (25.2°F).
- Average low temperature in April: 25°F
The month with the highest average low temperature is August (47.5°F).
The coldest months (with the lowest average low temperature) are January and December (9.5°F).
Average pressure in April
Jackson, MT
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Jackson, MT
- Average wind speed in April: 5.2mph
The windiest months (with the highest average wind speed) are March and April (5.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in April
Jackson, MT
- Average humidity in April: 74%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (43%).
Average rainfall in April
Jackson, 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 July and August (0.51").
Average rainfall days in April
Jackson, MT
- Average rainfall days in April: 17.9 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in April
Jackson, MT
- Average snowfall in April: 3.39"
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
Jackson, MT
- Average snowfall days in April: 8.4 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Jackson, MT
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 9h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in April
Jackson, MT
- Average sunshine days in April: 7.7 days
The month with the most sunshine days is July (19.4 days).
The month with the least sunshine days is April (7.7 days).
Average UV index in April
Jackson, 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 and December (UV index 1).
Average cloud cover in April
Jackson, MT
- Average cloud cover in April: 42
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
Jackson, 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).





