Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
The transition from March to April brings a temperature rise, with average high-temperatures increasing from an icy 39°F (3.9°C) to a chilly 49.6°F (9.8°C). Sweet Grass witnesses an average low-temperature of 34°F (1.1°C) throughout the month of April.Humidity
In April, the average relative humidity is 62%.Rainfall
In Sweet Grass, in April, during 8.3 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Sweet Grass, during the entire year, the rain falls for 70.4 days and collects up to 8.46" (215mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In April, it is snowing for 5 days. Throughout April, 2.44" (62mm) of snow is accumulated. In Sweet Grass, Montana, during the entire year, snow falls for 54.3 days and aggregates up to 19.49" (495mm) of snow.Daylight
In Sweet Grass, the average length of the day in April is 13h and 46min.On the first day of the month, sunrise is at 7:03 am and sunset at 7:59 pm. On the last day of April, in Sweet Grass, sunrise is at 6:06 am and sunset at 8:43 pm MDT.
Sunshine
In Sweet Grass, the average sunshine in April is 9.3h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 3 in April translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the usual temperature for Sweet Grass in April?
What is the average humidity in April in Sweet Grass?
How much does it rain in Sweet Grass in April?
How many days does it snow in April in Sweet Grass?
What is the average length of the day in April in Sweet Grass?
When are sunrise and sunset in April in Sweet Grass?
How long on average sun shines in April in Sweet Grass?
How high is the UV index in April in Sweet Grass?
Average temperature in April
Sweet Grass, MT
- Average high temperature in April: 49.6°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in April: 34°F
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (15.3°F).
Average pressure in April
Sweet Grass, MT
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Sweet Grass, MT
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is January (11.8mph).
The calmest months (with the lowest average wind speed) are July and August (8.8mph).
Average humidity in April
Sweet Grass, MT
- Average humidity in April: 62%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).
Average rainfall in April
Sweet Grass, MT
- Average rainfall in April: 0.94"
The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in April
Sweet Grass, MT
- Average rainfall days in April: 8.3 days
The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in April
Sweet Grass, MT
- Average snowfall in April: 2.44"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Sweet Grass, MT
- Average snowfall days in April: 5 days
The month with the highest number of snowfall days is December (10.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Sweet Grass, MT
- Average daylight in April: 13h and 5min
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 18min).
- Average sunshine in April: 9h and 2min
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 36min).
Average sunshine days in April
Sweet Grass, MT
- Average sunshine days in April: 17.4 days
The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (17.4 days).
Average UV index in April
Sweet Grass, 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
Sweet Grass, MT
- Average cloud cover in April: 37
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in April
Sweet Grass, 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).
Sweet Grass, Montana, USA
Weather forecast for your location
2. Allow the app to use your location
