March weather forecast
Lewistown, MT

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Weather in March

March brings a respite from the intense cold as Lewistown moves towards spring, with temperatures rising considerably compared to February. A distinct rise in rainfall of 1.14" (29mm) signals the shifting weather conditions. The appearance of the sun's rays becomes more regular, providing slightly longer days compared to the last month. Consequently, wind activity picks up the pace, yet gusts maintain their steadiness. The dynamism in weather begins to flow here, threading the season-switching month.

Temperature

March brings a temperature change, with average high-temperatures moving from February's freezing cold 29.1°F (-1.6°C) to a cold 40.6°F (4.8°C). During March, Lewistown experiences an average low-temperature of 25.3°F (-3.7°C) at night.

Humidity

The average relative humidity in March is 74%.

Rainfall

In Lewistown, during March, the rain falls for 10.4 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Lewistown, during the entire year, the rain falls for 126.2 days and collects up to 17.83" (453mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Lewistown. In Lewistown, in March, snow falls for 12.7 days, with typically accumulated 5.63" (143mm) of snow. Throughout the year, there are 83.4 snowfall days, and 45.51" (1156mm) of snow is accumulated.

Daylight

In Lewistown, the average length of the day in March is 11h and 57min.
On the first day of March, sunrise is at 6:55 am and sunset at 6:03 pm MST. On the last day of the month, sunrise is at 6:56 am and sunset at 7:46 pm MDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from MDT to MST.

Sunshine

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

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 estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 during March translates into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

How cold is it in Lewistown in March?

In March, the average high-temperature and low-temperature in Lewistown are 40.6°F (4.8°C) and 25.3°F (-3.7°C) respectively.

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 Lewistown, during March, the rain falls for 10.4 days and regularly aggregates up to 1.14" (29mm) of precipitation.

How many days does it snow in March in Lewistown?

In Lewistown, in March, snow falls for 12.7 days, with typically accumulated 5.63" (143mm) of snow.

How many hours of daylight does Lewistown have in March?

In Lewistown, the average day length in March is 11h and 57min.

What time are sunrise and sunset in March in Lewistown?

On the first day of March in Lewistown, Montana, sunrise is at 6:55 am and sunset at 6:03 pm MST. On the last day of the month, sunrise is at 6:56 am and sunset at 7:46 pm MDT.

When does Daylight Saving Time (DST) start in March in Lewistown?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March in Lewistown?

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

When is the lowest UV index in Lewistown?

The months with the lowest UV index in Lewistown 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?

In March, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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 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).
The 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"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 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").
The 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).
The 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: 11h and 5min

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 March: 7h and 4min

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 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).
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 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

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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