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, Grantsdale's average high-temperature experiences a slight rise, moving from March's cold 36°F (2.2°C) to a frosty 43.5°F (6.4°C). In the month of April, Grantsdale records a consistent average low-temperature of 25.9°F (-3.4°C).Humidity
The average relative humidity in April is 79%.Rainfall
The wettest months are February and April, with an average 2.36" (60mm) of rainfall.Snowfall
January through May, September through December are months with snowfall. In Grantsdale, during April, snow falls for 10.3 days and regularly aggregates up to 5.67" (144mm) of snow. In Grantsdale, during the entire year, snow falls for 101.1 days and aggregates up to 59.17" (1503mm) of snow.Daylight
The average length of the day in April is 13h and 36min.On the first day of April, sunrise is at 7:14 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 8:44 pm MDT.
Sunshine
The average sunshine in April in Grantsdale is 8.9h.UV index
In Grantsdale, the average daily maximum UV index in April is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in April interprets into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. 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
Is it cold in Grantsdale during April?
What is the average humidity in April in Grantsdale?
What is the wettest month in Grantsdale?
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 many hours of sunshine does Grantsdale have in April?
What is the UV index intensity in April in Grantsdale?
Average temperature in April
Grantsdale, MT
- Average high temperature in April: 43.5°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).
- Average low temperature in April: 25.9°F
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).
Average pressure in April
Grantsdale, MT
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Grantsdale, MT
- Average wind speed in April: 5mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in April
Grantsdale, MT
- Average humidity in April: 79%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).
Average rainfall in April
Grantsdale, MT
- Average rainfall in April: 2.36"
The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days in April
Grantsdale, MT
- Average rainfall days in April: 18.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).
Average snowfall in April
Grantsdale, MT
- Average snowfall in April: 5.67"
The month with the highest snowfall is February (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Grantsdale, MT
- Average snowfall days in April: 10.3 days
The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Grantsdale, MT
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in April
Grantsdale, MT
- Average sunshine days in April: 6.9 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).
Average UV index in April
Grantsdale, MT
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in April
Grantsdale, MT
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
Grantsdale, 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, March and December (4mi).
Grantsdale, Montana, USA
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