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
The shift from March to April sees a slight increase in the average high-temperature, transitioning from a cold 36°F (2.2°C) to a frosty 43.5°F (6.4°C). April nights are marked by an average low-temperature of 25.9°F (-3.4°C).Humidity
In April, the average relative humidity is 79%.Rainfall
The months with the most rainfall are February and April, with an average 2.36" (60mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Hamilton, in April, snow falls for 10.3 days, with typically accumulated 5.67" (144mm) of snow. Throughout the year, in Hamilton, there are 101.1 snowfall days, and 59.17" (1503mm) of snow is accumulated.Daylight
In Hamilton, 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 8:06 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 Hamilton is 8.9h.UV index
The average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during April translates into the following guidance:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is April cold?
What is the average humidity in April?
What is the wettest month?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does Hamilton have in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Hamilton have in April?
What is the UV index intensity in April?
Average temperature in April
Hamilton, 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
Hamilton, 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
Hamilton, 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
Hamilton, 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
Hamilton, 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
Hamilton, 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
Hamilton, 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
Hamilton, 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
Hamilton, 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
Hamilton, 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
Hamilton, 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
Hamilton, 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
Hamilton, 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).
Hamilton, Montana, USA
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