March weather forecast and climate
Grantsdale, MT

The first month of the spring, March, is a wintry month in Grantsdale, Montana, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 21°F (-6.1°C).

Temperature

In March, the average high-temperature slightly increases, from a subzero cold 28.8°F (-1.8°C) in February, to a cold 36°F (2.2°C). In March, the average low-temperature is 21°F (-6.1°C).

Humidity

In March, the average relative humidity is 86%.

Rainfall

In Grantsdale, during March, the rain falls for 18.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Grantsdale, during the entire year, the rain falls for 163.6 days and collects up to 20.83" (529mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Grantsdale, snow falls for 16 days, with typically accumulated 9.09" (231mm) of snow. In Grantsdale, during the entire year, snow falls for 101.1 days, and aggregates up to 59.17" (1503mm) of snow.

Daylight

In March, the average length of the day is 12h.

Sunshine

In Grantsdale, the average sunshine in March is 7.1h.

UV index

The average daily maximum UV index in Grantsdale is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in March interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Grantsdale?

In Grantsdale, in March, the average high-temperature is 36°F (2.2°C), and the average low-temperature is 21°F (-6.1°C).

What is the average humidity in March in Grantsdale?

The average relative humidity in March in Grantsdale, Montana, is 86%.

How much does it rain in Grantsdale in March?

In Grantsdale, during March, the rain falls for 18.8 days and regularly aggregates up to 2.28" (58mm) of precipitation.

How many days does it snow in March in Grantsdale?

In Grantsdale, in March, snow falls for 16 days, with typically accumulated 9.09" (231mm) of snow.

How many hours of daylight does Grantsdale have in March?

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

How many hours of sunshine does Grantsdale have in March?

The average sunshine in March in Grantsdale, Montana, is 7.1h.

What is the UV index intensity in March in Grantsdale?

In Grantsdale, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in March - Grantsdale, MT
  • Average high temperature in March: 36°F

The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).

  • Average low temperature in March: 21°F

The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).

Average pressure in March - Grantsdale, MT
  • Average pressure in March: 30.06"

The month with the highest atmospheric pressure is January (30.21").
The month with the lowest atmospheric pressure is June (29.93").

Average wind speed in March - Grantsdale, MT
  • Average wind speed in March: 5mph

The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

Average humidity in March - Grantsdale, MT
  • Average humidity in March: 86%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).

Average rainfall in March - Grantsdale, MT
  • Average rainfall in March: 2.28"

The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").

Average rainfall days in March - Grantsdale, MT
  • Average rainfall days in March: 18.8 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).

Average snowfall in March - Grantsdale, MT
  • Average snowfall in March: 9.09"

The month with the highest snowfall is February (13.03").
Months with the least snowfall are June, July and August (0").

Average snowfall days in March - Grantsdale, MT
  • Average snowfall days in March: 16 days

The month with the highest number of snowfall days is February (19.3 days).
Months with the least snowfall days are June, July and August (0 days).

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

The month with the longest days is June (Average daylight: 15.7h).
The month with the shortest days is December (Average daylight: 8.7h).

  • Average sunshine in March: 7.1h

Months with the most sunshine are July and August (Average sunshine: 11.7h).
Months with the least sunshine are January and December (Average sunshine: 5.4).

Average sunshine days in March - Grantsdale, MT
  • Average sunshine days in March: 6.3 days

The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).

Average UV index in March - Grantsdale, MT
  • Average UV index in March: 2

The month with the highest UV index is July (UV index 5).
Months with the lowest UV index are February and December (UV index 1).

Average cloud cover in March - Grantsdale, MT
  • Average cloud cover in March: 48

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in March - Grantsdale, MT
  • Average visibility in March: 4mi

Months with the highest visibility are May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March and December (4mi).