April weather forecastSumatra, MT
April
Weather in April
April in Sumatra, Montana, is a cool spring month, with temperature in the range of an average low of 37.6°F (3.1°C) and an average high of 55.2°F (12.9°C).Temperature
The arrival of April brings a temperature shift, with the average high-temperature escalating from a chilly 45.3°F (7.4°C) in March to a cool 55.2°F (12.9°C). During the month of April, an average low-temperature of 37.6°F (3.1°C) is recorded in Sumatra.Humidity
In Sumatra, the average relative humidity in April is 58%.Rainfall
In April, in Sumatra, the rain falls for 12.1 days. Throughout April, 1.26" (32mm) of precipitation is accumulated. In Sumatra, during the entire year, the rain falls for 99.5 days and collects up to 11.06" (281mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Sumatra, in April, during 4.1 snowfall days, 2.2" (56mm) of snow is typically accumulated. In Sumatra, during the entire year, snow falls for 47 days and aggregates up to 15.83" (402mm) of snow.Daylight
In April, the average length of the day is 13h and 37min.On the first day of April in Sumatra, sunrise is at 6:47 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 8:19 pm MDT.
Sunshine
In Sumatra, the average sunshine in April is 9.2h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In April, the UV index of 3 transforms into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sumatra, MT
- Average high temperature in April: 55.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The months with the lowest average high temperature are January and December (30.9°F).
- Average low temperature in April: 37.6°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in April
Sumatra, MT
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Sumatra, MT
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (8.2mph).
Average humidity in April
Sumatra, MT
- Average humidity in April: 58%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (38%).
Average rainfall in April
Sumatra, MT
- Average rainfall in April: 1.26"
The wettest month (with the highest rainfall) is May (1.81").
The driest months (with the least rainfall) are January, November and December (0.47").
Average rainfall days in April
Sumatra, MT
- Average rainfall days in April: 12.1 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in April
Sumatra, MT
- Average snowfall in April: 2.2"
The month with the highest snowfall is February (3.74").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Sumatra, MT
- Average snowfall days in April: 4.1 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Sumatra, MT
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 9h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 18min).
Average sunshine days in April
Sumatra, MT
- Average sunshine days in April: 14.2 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is April (14.2 days).
Average UV index in April
Sumatra, 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
Sumatra, MT
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in April
Sumatra, 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).
