April weather forecast
Hamilton, MT

A strong suspension bridge over a fast river in Hamilton, Montana, overlooking scenic trees and hilly landscapes over the other side of the shore
A strong suspension bridge over a fast river in Hamilton, Montana, overlooking scenic trees and hilly landscapes over the other side of the shore

Weather in April

April is a frosty spring month in Hamilton, Montana, with temperature in the range of an average high of 43.5°F (6.4°C) and an average low of 25.9°F (-3.4°C).

Temperature

In April, the average high-temperature slightly increases, from a wintry 36°F (2.2°C) in March, to a chilly 43.5°F (6.4°C). In April, in Hamilton, the average low-temperature is 25.9°F (-3.4°C).

Humidity

In Hamilton, the average relative humidity 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 Hamilton. 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, Montana, the average length of the day in April is 13.6h.

Sunshine

In Hamilton, the average sunshine in April is 8.9h.

UV index

In Hamilton, Montana, 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 the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Hamilton?

In Hamilton, Montana, the average relative humidity in April is 79%.

What is the wettest month in Hamilton?

The wettest months in Hamilton are February and April, with an average 2.36" (60mm) of rainfall.

How many days does it rain in April in Hamilton?

In April, in Hamilton, the rain falls for 18.5 days. Throughout April, 2.36" (60mm) of precipitation is accumulated.

How much does it snow in Hamilton in April?

In Hamilton, in April, snow falls for 10.3 days, with typically accumulated 5.67" (144mm) of snow.

What is the average length of the day in April in Hamilton?

The average length of the day in April in Hamilton, Montana, is 13.6h.

How many hours of sunshine does Hamilton have in April?

In Hamilton, the average sunshine in April is 8.9h.

How high is the UV index in April in Hamilton?

In Hamilton, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV radiation.

Average temperature in April
Hamilton, MT

Average temperature in April - Hamilton, MT
  • Average high temperature in April: 6.4°C

The warmest month (with the highest average high temperature) is July (25°C).
The month with the lowest average high temperature is December (-2.9°C).

  • Average low temperature in April: -3.4°C

The month with the highest average low temperature is August (8.3°C).
The coldest month (with the lowest average low temperature) is December (-10°C).

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Average pressure in April
Hamilton, MT

Average pressure in April - Hamilton, MT
  • Average pressure in April: 1016.1mbar

The month with the highest atmospheric pressure is January (1023mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

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Average wind speed in April
Hamilton, MT

Average wind speed in April - Hamilton, MT
  • Average wind speed in April: 8.1km/h

The windiest month (with the highest average wind speed) is January (8.6km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).

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Average humidity in April
Hamilton, MT

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%).

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Average rainfall in April
Hamilton, MT

Average rainfall in April - Hamilton, MT
  • Average rainfall in April: 60mm

The wettest months (with the highest rainfall) are February and April (60mm).
The driest month (with the least rainfall) is August (19mm).

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Average rainfall days in April
Hamilton, MT

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).

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Average snowfall in April
Hamilton, MT

Average snowfall in April - Hamilton, MT
  • Average snowfall in April: 144mm

The month with the highest snowfall is February (331mm).
Months with the least snowfall are June, July and August (0mm).

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Average snowfall days in April
Hamilton, MT

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).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in April /
Average sunshine in April
Hamilton, MT

Average daylight in April / Average sunshine in April - Hamilton, MT
  • Average daylight in April: 13.6h

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in April: 8.9h

Months with the most sunshine are July and August (Average sunshine: 11.7h).
Months with the least sunshine are January and December (Average sunshine: 5.4).

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Average sunshine days in April
Hamilton, MT

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).

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Average UV index in April
Hamilton, MT

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).
Months with the lowest UV index are February and December (UV index 1).

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Average cloud cover in April
Hamilton, MT

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).

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Average visibility in April
Hamilton, MT

Average visibility in April - Hamilton, MT
  • Average visibility in April: 8km

Months with the highest visibility are July and August (10km).
Months with the lowest visibility are January, February, March and December (7km).

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