April weather forecastCircle, MT
April
Weather in April
April is a cool spring month in Circle, Montana, with an average temperature ranging between max 53.4°F (11.9°C) and min 36.7°F (2.6°C).Temperature
Circle's April weather shows an increase in high-temperatures, moving from March's wintry 41.9°F (5.5°C) to a fresh 53.4°F (11.9°C). In Circle, April's nights observe an average temperature dip to a wintry 36.7°F (2.6°C).Humidity
The average relative humidity in April is 59%.Rainfall
In Circle, during April, the rain falls for 11.7 days and regularly aggregates up to 1.3" (33mm) of precipitation. In Circle, Montana, during the entire year, the rain falls for 102.6 days and collects up to 13.35" (339mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Circle, during April, snow falls for 4.3 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, there are 58.7 snowfall days, and 17.28" (439mm) of snow is accumulated.Daylight
In Circle, the average length of the day in April is 13h and 40min.On the first day of April, sunrise is at 6:39 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:13 pm MDT.
Sunshine
In Circle, Montana, the average sunshine in April is 9h.UV index
In Circle, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Take precautions - Protection against sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Circle, MT
- Average high temperature in April: 53.4°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in April: 36.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in April
Circle, MT
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in April
Circle, 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 August (9.3mph).
Average humidity in April
Circle, MT
- Average humidity in April: 59%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).
Average rainfall in April
Circle, MT
- Average rainfall in April: 1.3"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in April
Circle, MT
- Average rainfall days in April: 11.7 days
The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).
Average snowfall in April
Circle, MT
- Average snowfall in April: 2.01"
The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Circle, MT
- Average snowfall days in April: 4.3 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Circle, 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 0min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in April
Circle, MT
- Average sunshine days in April: 13.7 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in April
Circle, MT
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in April
Circle, 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
Circle, 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).





