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
With the onset of April, Helmville observes a minor temperature ascent, with the average high-temperature adjusting from March's icy 37°F (2.8°C) to a chilly 45.3°F (7.4°C). Helmville experiences an average nighttime temperature of 26.1°F (-3.3°C) in the month of April.Humidity
The average relative humidity in April in Helmville is 76%.Rainfall
In Helmville, in April, it is raining for 12.8 days, with typically 1.34" (34mm) of accumulated precipitation. In Helmville, during the entire year, the rain falls for 114.8 days and collects up to 12.13" (308mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Helmville, in April, during 7.9 snowfall days, 4.09" (104mm) of snow is typically accumulated. Throughout the year, there are 86.9 snowfall days, and 39.96" (1015mm) of snow is accumulated.Daylight
In April, the average length of the day in Helmville, Montana, is 13h and 38min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:01 pm. On the last day of April, sunrise is at 6:16 am and sunset at 8:41 pm MDT.
Sunshine
In April, the average sunshine in Helmville is 9.3h.UV index
In Helmville, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In April, the maximum UV index of 2 translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Helmville in April?
What is the average humidity in April in Helmville?
How many days does it rain in April in Helmville?
How much does it snow in Helmville in April?
What is the average length of the day in April in Helmville?
What time are sunrise and sunset in April in Helmville?
How long on average sun shines in April in Helmville?
What is the UV index reading in April in Helmville?
Average temperature in April
Helmville, MT
- Average high temperature in April: 45.3°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in April: 26.1°F
The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).
Average pressure in April
Helmville, MT
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Helmville, MT
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in April
Helmville, MT
- Average humidity in April: 76%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are July and August (49%).
Average rainfall in April
Helmville, MT
- Average rainfall in April: 1.34"
The wettest month (with the highest rainfall) is June (1.81").
The driest months (with the least rainfall) are August, September and October (0.59").
Average rainfall days in April
Helmville, MT
- Average rainfall days in April: 12.8 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is November (6.5 days).
Average snowfall in April
Helmville, MT
- Average snowfall in April: 4.09"
The month with the highest snowfall is February (9.76").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Helmville, MT
- Average snowfall days in April: 7.9 days
The month with the highest number of snowfall days is February (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Helmville, MT
- Average daylight in April: 13h and 4min
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 2min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in April
Helmville, MT
- Average sunshine days in April: 12.5 days
The month with the most sunshine days is September (21.9 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in April
Helmville, MT
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Helmville, MT
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in April
Helmville, MT
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Helmville, Montana, USA
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