February weather forecast
Lewistown, MT

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Weather in February

February infers a continuation of winter's reign with the mercury dipping to 15.3°F (-9.3°C), the lowest of the year, capped at 29.1°F (-1.6°C) causing a chillier environment than in previous January. Notable conditions include an increase in snowfall to 6.65" (169mm), emphasizing the persistent winter chills. The blend of lower atmospheric pressure coupled with gusty wind speeds often brings snowflakes dancing in the wind. Though grayer, the extra daylight and sunshine hours hint at the approach of spring; the winter weather yet reigns supreme.

Temperature

February and December are the coldest months in Lewistown, with an average high-temperature of 29.1°F (-1.6°C).

Humidity

With an average relative humidity of 79%, February is the most humid month in Lewistown.

Rainfall

In Lewistown, in February, it is raining for 6.9 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, there are 126.2 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Lewistown are January through June, September through December. In Lewistown, Montana, in February, during 15.2 snowfall days, 6.65" (169mm) of snow is typically accumulated. In Lewistown, during the entire year, snow falls for 83.4 days and aggregates up to 45.51" (1156mm) of snow.

Daylight

The average length of the day in February is 10h and 19min.
On the first day of February, sunrise is at 7:42 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:02 pm MST.

Sunshine

The month with the least sunshine is February, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: In February, a regular UV index of 2 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

What are the coldest months in Lewistown?

Lewistown's coldest period falls in February and December, when the average high-temperatures ascend to 29.1°F (-1.6°C).

How cold is it in Lewistown in February?

February temperatures in Lewistown, Montana, vary between a high-temperature of 29.1°F (-1.6°C) and a low-temperature of 15.3°F (-9.3°C).

What is the most humid month in Lewistown?

The most humid month in Lewistown is February, with an average relative humidity of 79%.

What is the average humidity in February in Lewistown?

In Lewistown, the average relative humidity in February is 79%.

How many days does it rain in February in Lewistown?

In Lewistown, during February, the rain falls for 6.9 days and regularly aggregates up to 0.98" (25mm) of precipitation.

How much does it snow in Lewistown in February?

In Lewistown, Montana, in February, snow falls for 15.2 days, with typically accumulated 6.65" (169mm) of snow.

How many hours of daylight does Lewistown have in February?

In February, the average day length in Lewistown, Montana, is 10h and 19min.

When is the sunrise / sunset in February in Lewistown?

On the first day of February in Lewistown, Montana, sunrise is at 7:42 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:02 pm MST.

What is the month with the least sunshine in Lewistown?

With an average of 5.5h of sunshine, February has the least sunshine of the year in Lewistown, Montana.

How long on average sun shines in February in Lewistown?

In Lewistown, the average sunshine duration in February is 5.5h.

What is the month with the lowest UV index in Lewistown?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in February in Lewistown?

In February, the average daily maximum UV index in Lewistown, Montana, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's 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 February
Lewistown, MT

Average temperature in February - Lewistown, MT
  • Average high temperature in February: 29.1°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The months with the lowest average high temperature are February and December (29.1°F).

  • Average low temperature in February: 15.3°F

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).

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Average pressure in February
Lewistown, MT

Average pressure in February - Lewistown, MT
  • Average pressure in February: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in February
Lewistown, MT

Average wind speed in February - Lewistown, MT
  • Average wind speed in February: 9.1mph

The windiest months (with the highest average wind speed) are January, April and October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

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Average humidity in February
Lewistown, MT

Average humidity in February - Lewistown, MT
  • Average humidity in February: 79%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in February
Lewistown, MT

Average rainfall in February - Lewistown, MT
  • Average rainfall in February: 0.98"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (0.71").

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Average rainfall days in February
Lewistown, MT

Average rainfall days in February - Lewistown, MT
  • Average rainfall days in February: 6.9 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in February
Lewistown, MT

Average snowfall in February - Lewistown, MT
  • Average snowfall in February: 6.65"

The month with the highest snowfall is April (9.13").
The months with the least snowfall are July and August (0").

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Average snowfall days in February
Lewistown, MT

Average snowfall days in February - Lewistown, MT
  • Average snowfall days in February: 15.2 days

The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in February /
Average sunshine in February
Lewistown, MT

Average daylight in February / Average sunshine in February - Lewistown, MT
  • Average daylight in February: 10h and 2min

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 February: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

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Average sunshine days in February
Lewistown, MT

Average sunshine days in February - Lewistown, MT
  • Average sunshine days in February: 11.8 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (8.3 days).

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Average UV index in February
Lewistown, MT

Average UV index in February - Lewistown, MT
  • Average UV index in February: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

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Average cloud cover in February
Lewistown, MT

Average cloud cover in February - Lewistown, MT
  • Average cloud cover in February: 45

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 16).

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Average visibility in February
Lewistown, MT

Average visibility in February - Lewistown, MT
  • Average visibility in February: 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).

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Lewistown, Montana, USA

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