April weather forecastSand Coulee, MT
April
Weather in April
April in Sand Coulee, Montana, is a cool spring month, with an average temperature fluctuating between 52.3°F (11.3°C) and 34.9°F (1.6°C).Temperature
Sand Coulee experiences a temperature shift with the start of April, with average high-temperatures moving from a frosty 43.3°F (6.3°C) in March to a cool 52.3°F (11.3°C). An average nighttime temperature of 34.9°F (1.6°C) is observed in Sand Coulee during April.Humidity
In April, the average relative humidity is 62%.Rainfall
In Sand Coulee, in April, it is raining for 10.5 days, with typically 1.22" (31mm) of accumulated precipitation. In Sand Coulee, during the entire year, the rain falls for 85.3 days and collects up to 9.84" (250mm) of precipitation.Snowfall
Months with snowfall in Sand Coulee are January through May, September through December. In Sand Coulee, during April, snow falls for 4.3 days and regularly aggregates up to 3.31" (84mm) of snow. In Sand Coulee, Montana, during the entire year, snow falls for 58.9 days and aggregates up to 28.54" (725mm) of snow.Daylight
In Sand Coulee, Montana, the average length of the day in April is 13h and 40min.On the first day of April, sunrise is at 7:01 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:35 pm MDT.
Sunshine
In April, the average sunshine is 9.3h.UV index
In Sand Coulee, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 3 during April translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sand Coulee, MT
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30°F).
- Average low temperature in April: 34.9°F
The month with the highest average low temperature is August (58.5°F).
The coldest month (with the lowest average low temperature) is February (18.3°F).
Average pressure in April
Sand Coulee, MT
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Sand Coulee, MT
- Average wind speed in April: 10.1mph
The windiest months (with the highest average wind speed) are January and November (11.4mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in April
Sand Coulee, MT
- Average humidity in April: 62%
The month with the highest relative humidity is January (77%).
The month with the lowest relative humidity is August (40%).
Average rainfall in April
Sand Coulee, MT
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is June (1.57").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in April
Sand Coulee, MT
- Average rainfall days in April: 10.5 days
The month with the highest number of rainy days is May (11.7 days).
The months with the least rainy days are November and December (4 days).
Average snowfall in April
Sand Coulee, MT
- Average snowfall in April: 3.31"
The month with the highest snowfall is February (5.67").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Sand Coulee, MT
- Average snowfall days in April: 4.3 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Sand Coulee, 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: 9h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 36min).
Average sunshine days in April
Sand Coulee, MT
- Average sunshine days in April: 15.1 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in April
Sand Coulee, 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
Sand Coulee, MT
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in April
Sand Coulee, 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).





