April weather forecastLibby, MT
April
Weather in April
The weather in Libby, Montana, begins to improve significantly in April with the arrival of spring. The colder temperatures from March begin to rise, and the city experiences a significant drop in snowfall, measuring just about 2.36" (60mm). With far less snowy days compared to its predecessor, April brings the promise of more outdoor-friendly weather. The total daylight hours improve, and the city now enjoys extended periods of sunshine.Temperature
April's onset in Libby is marked by a temperature increase, moving from an icy 37°F (2.8°C) in March to a frosty 46.2°F (7.9°C). Libby observes an average low-temperature of 28°F (-2.2°C) during April nights.Humidity
The average relative humidity in April in Libby is 79%.Rainfall
In Libby, Montana, in April, it is raining for 17.5 days, with typically 1.69" (43mm) of accumulated precipitation. In Libby, during the entire year, the rain falls for 138.8 days and collects up to 18.15" (461mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Libby, during April, snow falls for 5.8 days and regularly aggregates up to 2.36" (60mm) of snow. In Libby, Montana, during the entire year, snow falls for 91.8 days and aggregates up to 49.33" (1253mm) of snow.Daylight
In April, the average length of the day is 13h and 43min.On the first day of April in Libby, Montana, sunrise is at 7:18 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 8:55 pm MDT.
Sunshine
In Libby, the average sunshine in April is 7.8h.UV index
The average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during April, leads to the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Libby, MT
- Average high temperature in April: 46.2°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (27.1°F).
- Average low temperature in April: 28°F
The month with the highest average low temperature is August (47.3°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).
Average pressure in April
Libby, MT
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Libby, MT
- Average wind speed in April: 4.5mph
The windiest months (with the highest average wind speed) are April and June (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in April
Libby, MT
- Average humidity in April: 79%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (53%).
Average rainfall in April
Libby, MT
- Average rainfall in April: 1.69"
The wettest month (with the highest rainfall) is December (2.24").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in April
Libby, MT
- Average rainfall days in April: 17.5 days
The month with the highest number of rainy days is April (17.5 days).
The month with the least rainy days is August (5.9 days).
Average snowfall in April
Libby, MT
- Average snowfall in April: 2.36"
The month with the highest snowfall is January (11.34").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Libby, MT
- Average snowfall days in April: 5.8 days
The month with the highest number of snowfall days is December (20 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Libby, MT
- Average daylight in April: 13h and 42min
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: 7h and 48min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in April
Libby, MT
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (7.4 days).
Average UV index in April
Libby, MT
- Average UV index in April: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Libby, MT
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in April
Libby, MT
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).





