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 transition into April, Happy Haven experiences an increase in average high-temperatures, moving up from an icy 36.1°F (2.3°C) in March to a frosty 46.6°F (8.1°C). Happy Haven's temperature lowers to a mean of 28°F (-2.2°C) during the nights in April.Humidity
In April, the average relative humidity is 78%.Rainfall
In April, the rain falls for 15.8 days. Throughout April, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 126.4 rainfall days, and 11.22" (285mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In April, it is snowing for 7.4 days. Throughout April, 2.09" (53mm) of snow is accumulated. Throughout the year, there are 97 snowfall days, and 33.86" (860mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 43min.On the first day of April, sunrise is at 7:13 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:50 pm MDT.
Sunshine
In Happy Haven, the average sunshine in April is 8.6h.UV index
The average daily maximum UV index in April is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during April translates into the following guidance:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality 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 much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Happy Haven have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April in Happy Haven?
What is the UV index reading in April in Happy Haven?
Average temperature in April
Happy Haven, MT
- Average high temperature in April: 46.6°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in April: 28°F
The month with the highest average low temperature is August (45.5°F).
The coldest month (with the lowest average low temperature) is February (13.5°F).
Average pressure in April
Happy Haven, MT
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Happy Haven, MT
- Average wind speed in April: 4.6mph
The windiest month (with the highest average wind speed) is April (4.6mph).
The calmest months (with the lowest average wind speed) are August and December (3.7mph).
Average humidity in April
Happy Haven, MT
- Average humidity in April: 78%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).
Average rainfall in April
Happy Haven, MT
- Average rainfall in April: 0.98"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in April
Happy Haven, MT
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in April
Happy Haven, MT
- Average snowfall in April: 2.09"
The month with the highest snowfall is January (7.72").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Happy Haven, MT
- Average snowfall days in April: 7.4 days
The month with the highest number of snowfall days is December (19.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Happy Haven, MT
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Happy Haven, MT
- Average sunshine days in April: 9.8 days
The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in April
Happy Haven, 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
Happy Haven, MT
- Average cloud cover in April: 44
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility in April
Happy Haven, MT
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
Happy Haven, Montana, USA
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