April weather forecastGarneill, MT
April
Weather in April
April is a chilly spring month in Garneill, Montana, with an average temperature varying between 31.8°F (-0.1°C) and 49.3°F (9.6°C).Temperature
The commencement of April sees a minor shift in the average high-temperature, moving from a cold 41°F (5°C) in March to a frosty 49.3°F (9.6°C). In Garneill, an average temperature of 31.8°F (-0.1°C) is noted during April nights.Humidity
In Garneill, the average relative humidity in April is 65%.Rainfall
In April, the rain falls for 14.8 days. Throughout April, 1.69" (43mm) of precipitation is accumulated. In Garneill, during the entire year, the rain falls for 128.6 days and collects up to 12.8" (325mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall in Garneill is April, when snow falls for 8.6 days and typically aggregates up to 6.61" (168mm) of snow.Daylight
The average length of the day in April is 13h and 38min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:48 pm. On the last day of April, sunrise is at 6:04 am and sunset at 8:28 pm MDT.
Sunshine
The average sunshine in April is 10.1h.UV index
In Garneill, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 during April translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Garneill, MT
- Average high temperature in April: 49.3°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (29.3°F).
- Average low temperature in April: 31.8°F
The months with the highest average low temperature are July and August (54.3°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure in April
Garneill, MT
- Average pressure in April: 29.94"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Garneill, MT
- Average wind speed in April: 8.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Garneill, MT
- Average humidity in April: 65%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (45%).
Average rainfall in April
Garneill, MT
- Average rainfall in April: 1.69"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days in April
Garneill, MT
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and December (7.2 days).
Average snowfall in April
Garneill, MT
- Average snowfall in April: 6.61"
The month with the highest snowfall is April (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Garneill, MT
- Average snowfall days in April: 8.6 days
The month with the highest number of snowfall days is February (14.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Garneill, MT
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 10h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in April
Garneill, MT
- Average sunshine days in April: 9 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is April (9 days).
Average UV index in April
Garneill, 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
Garneill, MT
- Average cloud cover in April: 36
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in April
Garneill, 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).
