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, Shelby experiences a temperature shift, with the average high-temperature moving from a wintry 40.8°F (4.9°C) in March to a cool 52.2°F (11.2°C). Shelby, during April nights, observes an average temperature of 35.6°F (2°C).Humidity
In April, the average relative humidity is 59%.Rainfall
In Shelby, in April, during 10.2 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 84.2 rainfall days, and 9.29" (236mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Shelby, Montana, in April, during 5.3 snowfall days, 3.19" (81mm) of snow is typically accumulated. In Shelby, during the entire year, snow falls for 53.7 days and aggregates up to 20.47" (520mm) of snow.Daylight
In April, the average length of the day is 13h and 44min.On the first day of April, sunrise is at 7:03 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 8:41 pm MDT.
Sunshine
In April, the average sunshine is 9.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In April, a regular UV index of 3 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in Shelby in April?
How many hours of daylight does Shelby have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Shelby have in April?
What is the UV index intensity in April?
Average temperature in April
Shelby, MT
- Average high temperature in April: 52.2°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is December (27.7°F).
- Average low temperature in April: 35.6°F
The month with the highest average low temperature is August (58.3°F).
The coldest month (with the lowest average low temperature) is December (15.4°F).
Average pressure in April
Shelby, MT
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in April
Shelby, MT
- Average wind speed in April: 11mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).
Average humidity in April
Shelby, MT
- Average humidity in April: 59%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is August (40%).
Average rainfall in April
Shelby, MT
- Average rainfall in April: 1.1"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and December (0.39").
Average rainfall days in April
Shelby, MT
- Average rainfall days in April: 10.2 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in April
Shelby, MT
- Average snowfall in April: 3.19"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Shelby, MT
- Average snowfall days in April: 5.3 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Shelby, MT
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 9h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in April
Shelby, MT
- Average sunshine days in April: 14.7 days
The month with the most sunshine days is September (22.2 days).
The month with the least sunshine days is April (14.7 days).
Average UV index in April
Shelby, 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, October, November and December (UV index 2).
Average cloud cover in April
Shelby, MT
- Average cloud cover in April: 39
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 15).
Average visibility in April
Shelby, 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).
Shelby, Montana, USA
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