Helena
Montana, USA
Long-term weather forecast
Long-term weather forecast

February weather forecast and climate
Helena, MT

The State Capital building of Montana in Helena city, set on a beautiful natural park
The State Capital building of Montana in Helena city, set on a beautiful natural park
February, the last month of the winter, in Helena, is also a wintry month, with average temperature ranging between max 38.7°F (3.7°C) and min 16.9°F (-8.4°C).

Temperature

In Helena, the average high-temperature in February marginally rises, from a cold 33.3°F (0.7°C) in January, to a still wintry 38.7°F (3.7°C). The average low-temperature, in Helena, Montana, is 16.9°F (-8.4°C).

Humidity

The average relative humidity in February is 64.1%.

Rainfall

February is the month with the least rainfall in Helena. Rain falls for 5.9 days and accumulates 0.3" (7.6mm) of precipitation.

Snowfall

Months with snowfall are January through May, August through December. In Helena, during February, snow falls for 5.2 days and regularly aggregates up to 5" (127mm) of snow. Throughout the year, there are 32.8 snowfall days, and 38.1" (967.8mm) of snow is accumulated.

Daylight

In February, the average length of the day in Helena, Montana, is 10.4h.

Sunshine

The average sunshine is 5.3h.

UV index

In Helena, the average daily maximum UV index in February is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in February in Helena?

In February, the average high-temperature is 38.7°F (3.7°C), and the average low-temperature is 16.9°F (-8.4°C).

What is the average humidity in February in Helena?

In Helena, the average relative humidity in February is 64.1%.

How much does it rain in Helena in February?

In Helena, Montana, during February, the rain falls for 5.9 days and regularly aggregates up to 0.3" (7.6mm) of precipitation.

What is the driest month in Helena?

February is the month with the least rainfall. Rain falls for 5.9 days and accumulates 0.3" (7.6mm) of precipitation.

How much does it snow in Helena in February?

In Helena, Montana, in February, snow falls for 5.2 days, with typically accumulated 5" (127mm) of snow.

What is the average length of the day in February in Helena?

In February, the average length of the day is 10.4h.

How long on average sun shines in February in Helena?

In Helena, the average sunshine in February is 5.3h.

What is the UV index intensity in February in Helena?

The average daily maximum UV index in February in Helena is 2. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays.
Average temperature in February - Helena, MT
  • Average high temperature in February: 38.6°F

The warmest month (with the highest average high temperature) is July (85.7°F).
The month with the lowest average high temperature is December (31.7°F).

  • Average low temperature in February: 16.9°F

The month with the highest average low temperature is July (54.3°F).
The coldest month (with the lowest average low temperature) is December (11.9°F).

Average humidity in February - Helena, MT
  • Average humidity in February: 64.1%

The month with the highest relative humidity is December (68.1%).
The month with the lowest relative humidity is July (46.4%).

Average rainfall in February - Helena, MT
  • Average rainfall in February: 0.3"

The wettest month (with the highest rainfall) is June (2.1").
The driest month (with the lowest rainfall) is February (0.3").

Average rainfall days in February - Helena, MT
  • Average rainfall days in February: 5.9 days

The month with the highest number of rainy days is June (11.2 days).
The month with the lowest number of rainy days is February (5.9 days).

Average snowfall in February - Helena, MT
  • Average snowfall in February: 5"

The month with the highest snowfall is December (7.3").
Months with the lowest snowfall are June and July (0").

Average snowfall days in February - Helena, MT
  • Average snowfall days in February: 5.2 days

The month with the highest number of snowfall days is December (6 days).
The month with the lowest number of snowfall days is July (0 days).

Average daylight in February / Average sunshine in February - Helena, MT
  • Average daylight in February: 10.4h

The month with the longest days is June (Average daylight: 15.8h).
The month with shortest days is December (Average daylight: 8.6h).

  • Average sunshine in February: 5.3h

The month with most sunshine is July (Average sunshine: 11.9h).
The month with least sunshine is December (Average sunshine: 3.2h).

Average UV index in February - Helena, MT
  • Average UV index in February: 2

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 1).