February weather forecast
Lewistown, MT

Weather in February

The last month of the winter, February, is also a subzero cold month in Lewistown, Montana, with average temperature varying between 29.1°F (-1.6°C) and 15.3°F (-9.3°C).

Temperature

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

Humidity

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

Rainfall

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

Snowfall

Months with snowfall are January through June, September through December. In February, it is snowing for 15.2 days. Throughout February, 6.65" (169mm) of snow is accumulated. Throughout the year, in Lewistown, there are 83.4 snowfall days, and 45.51" (1156mm) of snow is accumulated.

Daylight

The average length of the day in Lewistown is 10.3h.

Sunshine

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

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: In February, the average maximum UV index of 2 translate into the following recommendations:
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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Lewistown?

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

What is the most humid month in Lewistown?

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

What is the average humidity in February in Lewistown?

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

How many days does it rain in February in Lewistown?

In Lewistown, in February, it is raining for 6.9 days, with typically 0.98" (25mm) of accumulated precipitation.

How many days does it snow in February in Lewistown?

In Lewistown, Montana, in February, during 15.2 snowfall days, 6.65" (169mm) of snow is typically accumulated.

What is the average length of the day in February in Lewistown?

The average length of the day in February is 10.3h.

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.

How many hours of sunshine does Lewistown have in February?

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

When is the lowest UV index in Lewistown?

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

What is the UV index reading in February in Lewistown?

The average daily maximum UV index in February in Lewistown is 2. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation.

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).
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"

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

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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").
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).
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: 10.3h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in February: 5.5h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 5.5h).

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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).
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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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