March weather forecast
Lewistown, MT

Weather in March

The first month of the spring, March, is a wintry month in Lewistown, Montana, with average temperature fluctuating between 25.3°F (-3.7°C) and 40.6°F (4.8°C).

Temperature

In Lewistown, Montana, the average high-temperature rises, from a subzero cold 29.1°F (-1.6°C) in February, to a cold 40.6°F (4.8°C). The average low-temperature, in Lewistown, is 25.3°F (-3.7°C).

Humidity

In March, the average relative humidity is 74%.

Rainfall

In Lewistown, during March, the rain falls for 10.4 days and regularly aggregates up to 1.14" (29mm) of precipitation. Throughout the year, there are 126.2 rainfall days, and 17.83" (453mm) of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Lewistown, Montana, during March, snow falls for 12.7 days and regularly aggregates up to 5.63" (143mm) of snow. 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 12h.

Sunshine

In March, the average sunshine in Lewistown is 7.6h.

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 estimate of 2, and below, represents a minimal health hazard from unsafe exposure to the UV radiation for average individuals.
Note: In March, the average maximum UV index of 2 translate into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in March in Lewistown?

In Lewistown, Montana, the average relative humidity in March is 74%.

How many days does it rain in March in Lewistown?

In March, in Lewistown, Montana, the rain falls for 10.4 days. Throughout March, 1.14" (29mm) of precipitation is accumulated.

How many days does it snow in March in Lewistown?

In Lewistown, during March, snow falls for 12.7 days and regularly aggregates up to 5.63" (143mm) of snow.

How many hours of daylight does Lewistown have in March?

The average length of the day in March is 12h.

How many hours of sunshine does Lewistown have in March?

The average sunshine in March is 7.6h.

What are the months with the lowest UV index in Lewistown?

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

What is the UV index intensity in March in Lewistown?

The average daily maximum UV index in March in Lewistown is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to the UV radiation.

Average temperature in March
Lewistown, MT

Average temperature in March - Lewistown, MT
  • Average high temperature in March: 40.6°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 March: 25.3°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 March
Lewistown, MT

Average pressure in March - Lewistown, MT
  • Average pressure in March: 30.01"

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 March
Lewistown, MT

Average wind speed in March - Lewistown, MT
  • Average wind speed in March: 9.2mph

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 March
Lewistown, MT

Average humidity in March - Lewistown, MT
  • Average humidity in March: 74%

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 March
Lewistown, MT

Average rainfall in March - Lewistown, MT
  • Average rainfall in March: 1.14"

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 March
Lewistown, MT

Average rainfall days in March - Lewistown, MT
  • Average rainfall days in March: 10.4 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 March
Lewistown, MT

Average snowfall in March - Lewistown, MT
  • Average snowfall in March: 5.63"

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 March
Lewistown, MT

Average snowfall days in March - Lewistown, MT
  • Average snowfall days in March: 12.7 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 March /
Average sunshine in March
Lewistown, MT

Average daylight in March / Average sunshine in March - Lewistown, MT
  • Average daylight in March: 12h

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 March: 7.6h

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 March
Lewistown, MT

Average sunshine days in March - Lewistown, MT
  • Average sunshine days in March: 10.5 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 March
Lewistown, MT

Average UV index in March - Lewistown, MT
  • Average UV index in March: 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 March
Lewistown, MT

Average cloud cover in March - Lewistown, MT
  • Average cloud cover in March: 41

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 March
Lewistown, MT

Average visibility in March - Lewistown, MT
  • Average visibility in March: 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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