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
April signifies a subtle uplift in the average high-temperature, adjusting from a chilly 43.5°F (6.4°C) in March to a cool 51.3°F (10.7°C). During April nights, Joliet witnesses a consistent average temperature of 33.3°F (0.7°C).Humidity
In April, the average relative humidity is 64%.Rainfall
In April, the rain falls for 13 days. Throughout April, 1.73" (44mm) of precipitation is accumulated. Throughout the year, there are 108.1 rainfall days, and 12.83" (326mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In April, it is snowing for 6.6 days. Throughout April, 6.18" (157mm) of snow is accumulated. Throughout the year, in Joliet, Montana, there are 61.5 snowfall days, and 41.77" (1061mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 34min.On the first day of the month, sunrise is at 6:54 am and sunset at 7:44 pm. On the last day of April, sunrise is at 6:04 am and sunset at 8:21 pm MDT.
Sunshine
The average sunshine in April is 10.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 3 in April leads to these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Joliet, MT
- Average high temperature in April: 51.3°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (30.7°F).
- Average low temperature in April: 33.3°F
The months with the highest average low temperature are July and August (57.2°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure in April
Joliet, MT
- Average pressure in April: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Joliet, MT
- Average wind speed in April: 7.9mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Joliet, MT
- Average humidity in April: 64%
The month with the highest relative humidity is January (76%).
The month with the lowest relative humidity is August (41%).
Average rainfall in April
Joliet, MT
- Average rainfall in April: 1.73"
The wettest month (with the highest rainfall) is May (2.09").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in April
Joliet, MT
- Average rainfall days in April: 13 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4 days).
Average snowfall in April
Joliet, MT
- Average snowfall in April: 6.18"
The month with the highest snowfall is February (6.81").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Joliet, MT
- Average snowfall days in April: 6.6 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Joliet, MT
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in April: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in April
Joliet, MT
- Average sunshine days in April: 11.4 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in April
Joliet, 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, November and December (UV index 2).
Average cloud cover in April
Joliet, MT
- Average cloud cover in April: 35
The month with the most cloud cover is February (Cloud cover 38).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in April
Joliet, 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).
Joliet, Montana, USA
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