April weather forecast
Fallon, MT

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Weather in April

April is a fresh spring month in Fallon, Montana, with temperature in the range of an average high of 53.4°F (11.9°C) and an average low of 36.7°F (2.6°C).

Temperature

April's arrival sees a rise in the average high-temperature, jumping from March's wintry 41.9°F (5.5°C) to a fresh 53.4°F (11.9°C). The average nighttime temperature lowers to an icy 36.7°F (2.6°C) throughout April.

Humidity

In April, the average relative humidity is 59%.

Rainfall

In Fallon, in April, it is raining for 11.7 days, with typically 1.3" (33mm) of accumulated precipitation. Throughout the year, there are 102.6 rainfall days, and 13.35" (339mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Fallon are January through May, October through December. In Fallon, during April, snow falls for 4.3 days and regularly aggregates up to 2.01" (51mm) of snow. Throughout the year, there are 58.7 snowfall days, and 17.28" (439mm) of snow is accumulated.

Daylight

In April, the average length of the day is 13h and 38min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:30 pm. On the last day of April, sunrise is at 5:45 am and sunset at 8:09 pm MDT.

Sunshine

The average sunshine in April is 9h.

UV index

In Fallon, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 3 during April morphs into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average April temperature?

The high-temperature, in April, in Fallon, is 53.4°F (11.9°C), while the low-temperature averages to 36.7°F (2.6°C).

What is the average humidity in April?

The average relative humidity in April is 59%.

How much does it rain in April?

In Fallon, in April, during 11.7 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

How much does it snow in April?

In Fallon, in April, snow falls for 4.3 days, with typically accumulated 2.01" (51mm) of snow.

What is the average length of the day in April?

In April, the average day length is 13h and 38min.

When are sunrise and sunset in April?

In April, on the first day of the month, sunrise is at 6:37 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 5:45 am and sunset at 8:09 pm MDT.

How many hours of sunshine does Fallon have in April?

In Fallon, the average sunshine duration in April is 9h.

What is the UV index reading in April?

The average daily maximum UV index in April in Fallon, Montana, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Fallon, MT

Average temperature in April - Fallon, MT
  • Average high temperature in April: 53.4°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in April: 36.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure in April
Fallon, MT

Average pressure in April - Fallon, MT
  • Average pressure in April: 29.94"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in April
Fallon, MT

Average wind speed in April - Fallon, MT
  • Average wind speed in April: 11.2mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

Average humidity in April
Fallon, MT

Average humidity in April - Fallon, MT
  • Average humidity in April: 59%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).

Average rainfall in April
Fallon, MT

Average rainfall in April - Fallon, MT
  • Average rainfall in April: 1.3"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in April
Fallon, MT

Average rainfall days in April - Fallon, MT
  • Average rainfall days in April: 11.7 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).

Average snowfall in April
Fallon, MT

Average snowfall in April - Fallon, MT
  • Average snowfall in April: 2.01"

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in April
Fallon, MT

Average snowfall days in April - Fallon, MT
  • Average snowfall days in April: 4.3 days

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Fallon, MT
  • Average daylight in April: 13h and 4min

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: 9h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in April
Fallon, MT

Average sunshine days in April - Fallon, MT
  • Average sunshine days in April: 13.7 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).

Average UV index in April
Fallon, MT

Average UV index in April - Fallon, MT
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 1).

Average cloud cover in April
Fallon, MT

Average cloud cover in April - Fallon, MT
  • Average cloud cover in April: 41

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 17).

Average visibility in April
Fallon, MT

Average visibility in April - Fallon, 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).

Fallon, Montana, USA

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