February weather forecast and climate
Sweet Grass, MT

The last month of the winter, February, is another freezing cold month in Sweet Grass, Montana, with average temperature ranging between min 15.6°F (-9.1°C) and max 28.8°F (-1.8°C).

Temperature

In February, the average high-temperature is almost the same as in January - a still subzero cold 28.8°F (-1.8°C). In Sweet Grass, in February, the average low-temperature is 15.6°F (-9.1°C).

Humidity

In February, the average relative humidity in Sweet Grass is 76%.

Rainfall

In Sweet Grass, during February, the rain falls for 3.2 days and regularly aggregates up to 0.47" (12mm) of precipitation. In Sweet Grass, Montana, during the entire year, the rain falls for 70.4 days and collects up to 8.46" (215mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Sweet Grass. February is the month with the most snowfall. Snow falls for 9.7 days and accumulates 3.58" (91mm) of snow.

Daylight

In Sweet Grass, the average length of the day is 10.2h.

Sunshine

The average sunshine is 5.8h.

UV index

Months with the lowest UV index are January through March, 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 the Sun's UV rays for the ordinary person.
Note: In February, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in February in Sweet Grass?

In February, in Sweet Grass, the average high-temperature is 28.8°F (-1.8°C), and the average low-temperature is 15.6°F (-9.1°C).

What is the average humidity in February in Sweet Grass?

In Sweet Grass, the average relative humidity in February is 76%.

How many days does it rain in February in Sweet Grass?

In Sweet Grass, during February, the rain falls for 3.2 days and regularly aggregates up to 0.47" (12mm) of precipitation.

How many days does it snow in February in Sweet Grass?

In Sweet Grass, during February, snow falls for 9.7 days and regularly aggregates up to 3.58" (91mm) of snow.

What is the snowiest month in Sweet Grass?

The month with the most snowfall in Sweet Grass is February when snow falls for 9.7 days and typically aggregates up to 3.58" (91mm) of snow.

How many hours of daylight does Sweet Grass have in February?

In Sweet Grass, Montana, the average length of the day in February is 10.2h.

How many hours of sunshine does Sweet Grass have in February?

In Sweet Grass, the average sunshine in February is 5.8h.

When is the lowest UV index in Sweet Grass?

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

What is the UV index reading in February in Sweet Grass?

In February, the average daily maximum UV index in Sweet Grass is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to the UV radiation.
Average temperature in February - Sweet Grass, MT
  • Average high temperature in February: -1.8°C

The warmest month (with the highest average high temperature) is July (26°C).
The month with the lowest average high temperature is December (-2.7°C).

  • Average low temperature in February: -9.1°C

The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is December (-9.3°C).

Average pressure in February - Sweet Grass, MT
  • Average pressure in February: 1019.8mbar

The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is June (1011.5mbar).

Average wind speed in February - Sweet Grass, MT
  • Average wind speed in February: 16.8km/h

The windiest month (with the highest average wind speed) is January (19km/h).
The calmest month (with the lowest average wind speed) is August (14.1km/h).

Average humidity in February - Sweet Grass, MT
  • Average humidity in February: 76%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (43%).

Average rainfall in February - Sweet Grass, MT
  • Average rainfall in February: 12mm

The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is July (8mm).

Average rainfall days in February - Sweet Grass, MT
  • Average rainfall days in February: 3.2 days

The month with the highest number of rainy days is May (10.4 days).
The month with the least rainy days is November (2.6 days).

Average snowfall in February - Sweet Grass, MT
  • Average snowfall in February: 91mm

The month with the highest snowfall is February (91mm).
Months with the least snowfall are June, July and August (0mm).

Average snowfall days in February - Sweet Grass, MT
  • Average snowfall days in February: 9.7 days

The month with the highest number of snowfall days is December (10.2 days).
Months with the least snowfall days are July and August (0 days).

Average daylight in February / Average sunshine in February - Sweet Grass, MT
  • Average daylight in February: 10.2h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.3h).

  • Average sunshine in February: 5.8h

The month with the most sunshine is July (Average sunshine: 12h).
Months with the least sunshine are January and December (Average sunshine: 5.6).

Average sunshine days in February - Sweet Grass, MT
  • Average sunshine days in February: 17.7 days

The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is April (17.4 days).

Average UV index in February - Sweet Grass, MT
  • Average UV index in February: 2

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in February - Sweet Grass, MT
  • Average cloud cover in February: 43

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 15).

Average visibility in February - Sweet Grass, MT
  • Average visibility in February: 9km

Months with the highest visibility are May, June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March, April, November and December (9km).