Great Falls
Montana, USA
Long-term weather forecast
Long-term weather forecast

March weather forecast and climate
Great Falls, MT

A far view from on top of the vast Missouri River of the City of Lights, Great Falls, Montana, a dusk sky, mirror images in the water
A far view from on top of the vast Missouri River of the City of Lights, Great Falls, Montana, a dusk sky, mirror images in the water
The first month of the spring, March, is a frosty month in Great Falls, Montana, with average temperature ranging between max 45.9°F (7.7°C) and min 22.6°F (-5.2°C).

Temperature

In March, the average high-temperature marginally rises, from a wintry 38.3°F (3.5°C) in February, to a chilly 45.9°F (7.7°C). In Great Falls, the average low-temperature is 22.6°F (-5.2°C).

Rainfall

In Great Falls, in March, during 9.3 rainfall days, 0.9" (23.1mm) of precipitation is typically accumulated. Throughout the year, there are 99.9 rainfall days, and 14.8" (374.8mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, August through December. The month with the most snowfall is March when snow falls for 7.8 days and typically aggregates up to 11.9" (302.3mm) of snow.

Daylight

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

Sunshine

The average sunshine in Great Falls is 7.7h.

UV index

In March, the average daily maximum UV index in Great Falls is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the average person.
In March, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.

What is the temperature in March in Great Falls?

The average high-temperature, in March, in Great Falls, Montana, is 45.9°F (7.7°C), while the average low-temperature is 22.6°F (-5.2°C).

How many days does it rain in March in Great Falls?

In Great Falls, in March, during 9.3 rainfall days, 0.9" (23.1mm) of precipitation is typically accumulated.

How much does it snow in Great Falls in March?

In Great Falls, Montana, during March, snow falls for 7.8 days and regularly aggregates up to 11.9" (302.3mm) of snow.

What is the snowiest month in Great Falls?

The month with the most snowfall in Great Falls, Montana, is March when snow falls for 7.8 days and typically aggregates up to 11.9" (302.3mm) of snow.

How many hours of daylight does Great Falls have in March?

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

How many hours of sunshine does Great Falls have in March?

In Great Falls, the average sunshine in March is 7.7h.

What is the UV index reading in March in Great Falls?

The average daily maximum UV index in March in Great Falls, Montana, is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in March - Great Falls, MT
  • Average high temperature in March: 45.9°F

The warmest month (with the highest average high temperature) is July (83.4°F).
The month with the lowest average high temperature is December (34.6°F).

  • Average low temperature in March: 22.6°F

The month with the highest average low temperature is July (51.4°F).
Coldest months (with the lowest average low temperature) are January and December (14.9°F).

Average rainfall in March - Great Falls, MT
  • Average rainfall in March: 0.9"

The wettest month (with the highest rainfall) is June (2.5").
Driest months (with the lowest rainfall) are January and February (0.5").

Average rainfall days in March - Great Falls, MT
  • Average rainfall days in March: 9.3 days

Months with the highest number of rainy days are May and June (11.7 days).
The month with the lowest number of rainy days is October (6.6 days).

Average snowfall in March - Great Falls, MT
  • Average snowfall in March: 11.9"

The month with the highest snowfall is March (11.9").
The month with the lowest snowfall is July (0").

Average snowfall days in March - Great Falls, MT
  • Average snowfall days in March: 7.8 days

The month with the highest number of snowfall days is March (7.8 days).
The month with the lowest number of snowfall days is July (0 days).

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

The month with the longest days is June (Average daylight: 15.9h).
The month with shortest days is December (Average daylight: 8.5h).

  • Average sunshine in March: 7.7h

The month with most sunshine is July (Average sunshine: 12.2h).
The month with least sunshine is December (Average sunshine: 3.4h).

Average UV index in March - Great Falls, MT
  • Average UV index in March: 3

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).