March weather forecast
Simms, MT

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Weather in March

The first month of the spring, March, is an icy month in Simms, Montana, with an average temperature fluctuating between 42.6°F (5.9°C) and 27°F (-2.8°C).

Temperature

In March, the meteorological conditions change with the average high-temperature moving from a subzero cold 31.3°F (-0.4°C) in February to an icy 42.6°F (5.9°C). The average low-temperature in Simms during March nights is a subzero cold 27°F (-2.8°C).

Humidity

In March, the average relative humidity is 72%.

Rainfall

In Simms, in March, during 10.3 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. In Simms, during the entire year, the rain falls for 112.8 days and collects up to 12.95" (329mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In March, it is snowing for 9.9 days. Throughout March, 4.92" (125mm) of snow is accumulated. In Simms, during the entire year, snow falls for 69.4 days and aggregates up to 35.35" (898mm) of snow.

Daylight

In March, the average length of the day is 11h and 57min.
On the first day of the month, sunrise is at 7:06 am and sunset at 6:13 pm MST. On the last day of March, sunrise is at 7:06 am and sunset at 7:56 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

The average sunshine in March in Simms, Montana, is 7.5h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 2 in March suggests the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is March cold in Simms?

In March, in Simms, the average high-temperature is 42.6°F (5.9°C), and the average low-temperature is 27°F (-2.8°C).

What is the average humidity in March in Simms?

In March, the average relative humidity is 72%.

How much does it rain in Simms in March?

In Simms, Montana, in March, it is raining for 10.3 days, with typically 0.91" (23mm) of accumulated precipitation.

How many days does it snow in March in Simms?

In March, in Simms, it is snowing for 9.9 days. Throughout March, 4.92" (125mm) of snow is accumulated.

How many hours of daylight does Simms have in March?

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

When are sunrise and sunset in March in Simms?

In March, on the first day of the month, sunrise is at 7:06 am and sunset at 6:13 pm MST. On the last day of the month, sunrise is at 7:06 am and sunset at 7:56 pm MDT.

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

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 Simms?

In March, the average sunshine duration in Simms is 7.5h.

When is the lowest UV index in Simms?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Simms, Montana.

What is the UV index reading in March in Simms?

In Simms, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe 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
Simms, MT

Average temperature in March - Simms, MT
  • Average high temperature in March: 42.6°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (29.5°F).

  • Average low temperature in March: 27°F

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is December (17.4°F).

Average pressure in March
Simms, MT

Average pressure in March - Simms, MT
  • Average pressure in March: 30.01"Hg

The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in March
Simms, MT

Average wind speed in March - Simms, MT
  • Average wind speed in March: 9.4mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

Average humidity in March
Simms, MT

Average humidity in March - Simms, MT
  • Average humidity in March: 72%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).

Average rainfall in March
Simms, MT

Average rainfall in March - Simms, MT
  • Average rainfall in March: 0.91"

The wettest month (with the highest rainfall) is June (2.05").
The driest months (with the least rainfall) are January and July (0.63").

Average rainfall days in March
Simms, MT

Average rainfall days in March - Simms, MT
  • Average rainfall days in March: 10.3 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (4.8 days).

Average snowfall in March
Simms, MT

Average snowfall in March - Simms, MT
  • Average snowfall in March: 4.92"

The month with the highest snowfall is February (6.34").
The months with the least snowfall are June, July and August (0").

Average snowfall days in March
Simms, MT

Average snowfall days in March - Simms, MT
  • Average snowfall days in March: 9.9 days

The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in March /
Average sunshine in March
Simms, MT

Average daylight in March / Average sunshine in March - Simms, MT
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in March: 7h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).

Average sunshine days in March
Simms, MT

Average sunshine days in March - Simms, MT
  • Average sunshine days in March: 13 days

The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (10.3 days).

Average UV index in March
Simms, MT

Average UV index in March - Simms, 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, October, November and December (UV index 2).

Average cloud cover in March
Simms, MT

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

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in March
Simms, MT

Average visibility in March - Simms, 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).

Simms, Montana, USA

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