April weather forecastHays, MT
April
Weather in April
April in Hays, Montana, is a cool spring month, with an average temperature varying between 36.3°F (2.4°C) and 52.9°F (11.6°C).Temperature
Hays sees a rise in temperature during April, with average high-temperatures transitioning from a wintry 38.8°F (3.8°C) in March to a cool 52.9°F (11.6°C). The average temperature during April nights dips to a wintry 36.3°F (2.4°C).Humidity
In April, the average relative humidity in Hays is 59%.Rainfall
In April, the rain falls for 12.3 days. Throughout April, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 103.3 rainfall days, and 11.81" (300mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Hays, in April, snow falls for 4.3 days, with typically accumulated 1.69" (43mm) of snow. Throughout the year, there are 59.6 snowfall days, and 20.28" (515mm) of snow is accumulated.Daylight
In Hays, Montana, the average length of the day in April is 13h and 42min.On the first day of the month, sunrise is at 6:51 am and sunset at 7:45 pm. On the last day of April, sunrise is at 5:56 am and sunset at 8:27 pm MDT.
Sunshine
The average sunshine in April is 9h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. 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
Hays, MT
- Average high temperature in April: 52.9°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The months with the lowest average high temperature are January and February (25.7°F).
- Average low temperature in April: 36.3°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in April
Hays, MT
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in April
Hays, MT
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity in April
Hays, MT
- Average humidity in April: 59%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (41%).
Average rainfall in April
Hays, MT
- Average rainfall in April: 1.1"
The wettest months (with the highest rainfall) are May and June (1.89").
The driest months (with the least rainfall) are February and December (0.55").
Average rainfall days in April
Hays, MT
- Average rainfall days in April: 12.3 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is December (4 days).
Average snowfall in April
Hays, MT
- Average snowfall in April: 1.69"
The month with the highest snowfall is December (3.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Hays, MT
- Average snowfall days in April: 4.3 days
The month with the highest number of snowfall days is December (12.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Hays, MT
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- 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 February (Average sunshine: 4h and 48min).
Average sunshine days in April
Hays, MT
- Average sunshine days in April: 13.4 days
The month with the most sunshine days is September (19.6 days).
The month with the least sunshine days is April (13.4 days).
Average UV index in April
Hays, MT
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Hays, MT
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in April
Hays, MT
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





