April weather forecastFishtail, MT
April
Weather in April
April in Fishtail, Montana, is a cool spring month, with an average temperature varying between 33.3°F (0.7°C) and 51.3°F (10.7°C).Temperature
As April begins, there's a slight increase in the average high-temperature, moving from a chilly 43.5°F (6.4°C) in March to a fresh 51.3°F (10.7°C). In April, the average low-temperature records at a wintry 33.3°F (0.7°C) during the nights.Humidity
The average relative humidity in April is 64%.Rainfall
In Fishtail, during April, the rain falls for 13 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 108.1 rainfall days, and 12.83" (326mm) of precipitation is accumulated.Snowfall
Months with snowfall in Fishtail are January through June, September through December. In Fishtail, during April, snow falls for 6.6 days and regularly aggregates up to 6.18" (157mm) of snow. Throughout the year, there are 61.5 snowfall days, and 41.77" (1061mm) of snow is accumulated.Daylight
In Fishtail, Montana, the average length of the day in April is 13h and 34min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:46 pm. On the last day of April, sunrise is at 6:06 am and sunset at 8:24 pm MDT.
Sunshine
In April, the average sunshine in Fishtail is 10.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 in April translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Fishtail, 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
Fishtail, 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
Fishtail, 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
Fishtail, 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
Fishtail, 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
Fishtail, 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
Fishtail, 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
Fishtail, 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
Fishtail, MT
- Average daylight in April: 13h and 36min
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 6min
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
Fishtail, 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
Fishtail, 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
Fishtail, 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
Fishtail, 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).





