April weather forecast and climate
Columbia Falls, MT

April in Columbia Falls, Montana, is a chilly spring month, with average temperature varying between 46.6°F (8.1°C) and 28°F (-2.2°C).

Temperature

In April, the average high-temperature increases, from a cold 36.1°F (2.3°C) in March, to a frosty 46.6°F (8.1°C). In April, the average low-temperature is 28°F (-2.2°C).

Humidity

The average relative humidity in April is 78%.

Rainfall

In Columbia Falls, Montana, during April, the rain falls for 15.8 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Columbia Falls, Montana, during the entire year, the rain falls for 126.4 days and collects up to 11.22" (285mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Columbia Falls. In Columbia Falls, in April, during 7.4 snowfall days, 2.09" (53mm) of snow is typically accumulated. Throughout the year, in Columbia Falls, Montana, there are 97 snowfall days, and 33.86" (860mm) of snow is accumulated.

Daylight

In April, the average length of the day in Columbia Falls is 13.7h.

Sunshine

In April, the average sunshine in Columbia Falls is 8.6h.

UV index

In Columbia Falls, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 2 in April interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in April in Columbia Falls?

In April, in Columbia Falls, Montana, the average high-temperature is 46.6°F (8.1°C), and the average low-temperature is 28°F (-2.2°C).

What is the average humidity in April in Columbia Falls?

In April, the average relative humidity in Columbia Falls, Montana, is 78%.

How much does it rain in Columbia Falls in April?

In Columbia Falls, Montana, in April, during 15.8 rainfall days, 0.98" (25mm) of precipitation is typically accumulated.

How many days does it snow in April in Columbia Falls?

In Columbia Falls, during April, snow falls for 7.4 days and regularly aggregates up to 2.09" (53mm) of snow.

How many hours of daylight does Columbia Falls have in April?

In Columbia Falls, the average length of the day in April is 13.7h.

How many hours of sunshine does Columbia Falls have in April?

In April, the average sunshine is 8.6h.

What is the UV index intensity in April in Columbia Falls?

In Columbia Falls, Montana, the average daily maximum UV index in April is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.
Average temperature in April - Columbia Falls, MT
  • Average high temperature in April: 8.1°C

The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is December (-3.5°C).

  • Average low temperature in April: -2.2°C

The month with the highest average low temperature is August (7.5°C).
The coldest month (with the lowest average low temperature) is February (-10.3°C).

Average pressure in April - Columbia Falls, MT
  • Average pressure in April: 1015.2mbar

The month with the highest atmospheric pressure is January (1021.4mbar).
The month with the lowest atmospheric pressure is June (1012.7mbar).

Average wind speed in April - Columbia Falls, MT
  • Average wind speed in April: 7.4km/h

The windiest month (with the highest average wind speed) is April (7.4km/h).
The calmest month (with the lowest average wind speed) is December (5.9km/h).

Average humidity in April - Columbia Falls, MT
  • Average humidity in April: 78%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (55%).

Average rainfall in April - Columbia Falls, MT
  • Average rainfall in April: 25mm

The wettest month (with the highest rainfall) is June (36mm).
The driest month (with the least rainfall) is August (11mm).

Average rainfall days in April - Columbia Falls, MT
  • Average rainfall days in April: 15.8 days

The month with the highest number of rainy days is April (15.8 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in April - Columbia Falls, MT
  • Average snowfall in April: 53mm

The month with the highest snowfall is January (196mm).
Months with the least snowfall are June, July and August (0mm).

Average snowfall days in April - Columbia Falls, MT
  • Average snowfall days in April: 7.4 days

The month with the highest number of snowfall days is December (19.1 days).
Months with the least snowfall days are July and August (0 days).

Average daylight in April / Average sunshine in April - Columbia Falls, MT
  • Average daylight in April: 13.7h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).

  • Average sunshine in April: 8.6h

The month with the most sunshine is July (Average sunshine: 11.9h).
The month with the least sunshine is January (Average sunshine: 3.5h).

Average sunshine days in April - Columbia Falls, MT
  • Average sunshine days in April: 9.8 days

The month with the most sunshine days is July (21.5 days).
The month with the least sunshine days is March (7.7 days).

Average UV index in April - Columbia Falls, MT
  • Average UV index in April: 2

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in April - Columbia Falls, MT
  • Average cloud cover in April: 44

The month with the most cloud cover is January (Cloud cover 65).
Months with the least cloud cover are July and August (Cloud cover 15).

Average visibility in April - Columbia Falls, MT
  • Average visibility in April: 8km

Months with the highest visibility are July and August (10km).
The month with the lowest visibility is January (5km).