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 onset of April introduces a subtle rise in the average high-temperature, nudging from a cold 38.8°F (3.8°C) in March to a frosty 47.1°F (8.4°C). April nights are marked by an average low-temperature of 27.9°F (-2.3°C).Humidity
In April, the average relative humidity is 81%.Rainfall
In Plains, Montana, in April, it is raining for 19.2 days, with typically 2.24" (57mm) of accumulated precipitation. In Plains, during the entire year, the rain falls for 152.1 days and collects up to 22.09" (561mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Plains, during April, snow falls for 5.9 days and regularly aggregates up to 2.17" (55mm) of snow. In Plains, during the entire year, snow falls for 90.2 days and aggregates up to 58.15" (1477mm) of snow.Daylight
In April, the average length of the day is 13h and 40min.On the first day of the month, sunrise is at 7:16 am and sunset at 8:09 pm. On the last day of April, sunrise is at 6:22 am and sunset at 8:50 pm MDT.
Sunshine
The average sunshine in April is 7.8h.UV index
In April, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 during April translates into the following guidance:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What are April temperatures in Plains?
What is the average humidity in April in Plains?
How many days does it rain in April in Plains?
How much does it snow in Plains in April?
How many hours of daylight does Plains have in April?
What time are sunrise and sunset in April in Plains?
How long on average sun shines in April in Plains?
What is the UV index intensity in April in Plains?
Average temperature in April
Plains, MT
- Average high temperature in April: 47.1°F
The warmest months (with the highest average high temperature) are July and August (78.8°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in April: 27.9°F
The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).
Average pressure in April
Plains, MT
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Plains, MT
- Average wind speed in April: 4.9mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in April
Plains, MT
- Average humidity in April: 81%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are July and August (53%).
Average rainfall in April
Plains, MT
- Average rainfall in April: 2.24"
The wettest month (with the highest rainfall) is January (3.11").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in April
Plains, MT
- Average rainfall days in April: 19.2 days
The month with the highest number of rainy days is March (19.9 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in April
Plains, MT
- Average snowfall in April: 2.17"
The month with the highest snowfall is February (15.12").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Plains, MT
- Average snowfall days in April: 5.9 days
The month with the highest number of snowfall days is December (20.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Plains, MT
- Average daylight in April: 13h and 4min
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: 7h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Plains, MT
- Average sunshine days in April: 7.9 days
The months with the most sunshine days are July and August (23.3 days).
The month with the least sunshine days is March (5.8 days).
Average UV index in April
Plains, MT
- Average UV index in April: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Plains, MT
- Average cloud cover in April: 49
The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in April
Plains, MT
- Average visibility in April: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Plains, Montana, USA
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