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's arrival signals an increase in average high-temperatures, moving from February's subzero cold 29.1°F (-1.6°C) to a wintry 40.6°F (4.8°C). Throughout March, an average nighttime temperature of 25.3°F (-3.7°C) is experienced.

Humidity

The average relative humidity in March is 74%.

Rainfall

In Lewistown, in March, it is raining for 10.4 days, with typically 1.14" (29mm) of accumulated 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 March, snow falls for 12.7 days, with typically accumulated 5.63" (143mm) of snow. In Lewistown, during the entire year, snow falls for 83.4 days and aggregates up to 45.51" (1156mm) of snow.

Daylight

In Lewistown, the average length of the day in March is 11h and 57min.
On the first day of the month, sunrise is at 6:55 am and sunset at 6:03 pm MST. On the last day of March, 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, 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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum high UV index of 2 in March translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Lewistown in March?

The high-temperature during March is 40.6°F (4.8°C) and the low-temperature is 25.3°F (-3.7°C).

What is the average humidity in March?

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

How much does it rain in March?

In March, 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 March, it is snowing for 12.7 days. Throughout March, 5.63" (143mm) of snow is accumulated.

What is the average length of the day in March?

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

What time are sunrise and sunset in March?

In March, on the first day of the month, 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?

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 March, the average sunshine duration is 7.6h.

What are the months 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 in Lewistown.

What is the UV index intensity in March?

The average daily maximum UV index in March 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 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Lewistown, Montana, USA

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