April weather forecastRapelje, MT
April
Weather in April
April is a cool spring month in Rapelje, Montana, with an average temperature varying between 33.3°F (0.7°C) and 51.1°F (10.6°C).Temperature
Rapelje, Montana, in April denotes a subtle temperature transition, adjusting from an average high of a frosty 43.3°F (6.3°C) in March to a fresh 51.1°F (10.6°C). In April, the temperature drops to an average of 33.3°F (0.7°C) at night.Humidity
In Rapelje, the average relative humidity in April is 64%.Rainfall
In Rapelje, during April, the rain falls for 15.6 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 125.4 rainfall days, and 14.49" (368mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Rapelje, in April, during 5.3 snowfall days, 5.2" (132mm) of snow is typically accumulated. In Rapelje, during the entire year, snow falls for 63.3 days and aggregates up to 39.09" (993mm) of snow.Daylight
In April, the average length of the day is 13h and 35min.On the first day of April in Rapelje, sunrise is at 6:55 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 6:04 am and sunset at 8:24 pm MDT.
Sunshine
In Rapelje, the average sunshine in April is 10h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 3 during April leads to these advisories:
Take precautions - Protection against sunburn is recommended. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rapelje, MT
- Average high temperature in April: 51.1°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in April: 33.3°F
The month with the highest average low temperature is August (57.2°F).
The coldest month (with the lowest average low temperature) is February (17.4°F).
Average pressure in April
Rapelje, MT
- Average pressure in April: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Rapelje, MT
- Average wind speed in April: 8.2mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in April
Rapelje, MT
- Average humidity in April: 64%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (41%).
Average rainfall in April
Rapelje, MT
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in April
Rapelje, MT
- Average rainfall days in April: 15.6 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in April
Rapelje, MT
- Average snowfall in April: 5.2"
The month with the highest snowfall is February (7.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Rapelje, MT
- Average snowfall days in April: 5.3 days
The month with the highest number of snowfall days is February (13.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Rapelje, MT
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 10h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 12min).
Average sunshine days in April
Rapelje, MT
- Average sunshine days in April: 9.5 days
The month with the most sunshine days is September (18.9 days).
The month with the least sunshine days is April (9.5 days).
Average UV index in April
Rapelje, 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, November and December (UV index 2).
Average cloud cover in April
Rapelje, MT
- Average cloud cover in April: 35
The month with the most cloud cover is February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in April
Rapelje, 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).
