February weather forecast
Boulder, MT

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Weather in February

February, the last month of the winter in Boulder, is also a subzero cold month, with an average temperature varying between 13.5°F (-10.3°C) and 29.3°F (-1.5°C).

Temperature

Boulder experiences an average high-temperature of a still freezing cold 29.3°F (-1.5°C) with the onset of February, subtly varied from January's 29.7°F (-1.3°C). An average low-temperature of 13.5°F (-10.3°C) is common during the nights of February.

Humidity

In February, the average relative humidity in Boulder is 85%.

Rainfall

In Boulder, Montana, in February, it is raining for 8.7 days, with typically 1.22" (31mm) of accumulated precipitation. In Boulder, during the entire year, the rain falls for 133.7 days and collects up to 16.38" (416mm) of precipitation.

Snowfall

Months with snowfall in Boulder are January through June, September through December. The month with the most snowfall is February, when snow falls for 18 days and typically aggregates up to 9.72" (247mm) of snow.

Daylight

In February, the average length of the day in Boulder is 10h and 23min.
On the first day of the month, sunrise is at 7:51 am and sunset at 5:32 pm. On the last day of February, sunrise is at 7:07 am and sunset at 6:14 pm MST.

Sunshine

In Boulder, the average sunshine in February is 6.1h.

UV index

The month with the lowest UV index in Boulder, Montana, is February, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 1 in February leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is February in Boulder?

An average high-temperature, in February, in Boulder, is 29.3°F (-1.5°C) and the average low-temperature is 13.5°F (-10.3°C).

What is the average humidity in February in Boulder?

The average relative humidity in February in Boulder, Montana, is 85%.

How much does it rain in Boulder in February?

In February, in Boulder, Montana, the rain falls for 8.7 days. Throughout February, 1.22" (31mm) of precipitation is accumulated.

What is the snowiest month in Boulder?

The month with the most snowfall is February, when snow falls for 18 days and typically aggregates up to 9.72" (247mm) of snow.

How many days does it snow in February in Boulder?

In February, in Boulder, Montana, it is snowing for 18 days. Throughout February, 9.72" (247mm) of snow is accumulated.

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

The average day length in February is 10h and 23min.

What time are sunrise and sunset in February in Boulder?

In February, on the first day of the month, sunrise is at 7:51 am and sunset at 5:32 pm. On the last day of the month, in Boulder, sunrise is at 7:07 am and sunset at 6:14 pm MST.

How many hours of sunshine does Boulder have in February?

In February, the average sunshine duration in Boulder, Montana, is 6.1h.

When is the lowest UV index in Boulder?

With an average maximum UV index of 1, February is the month with the lowest UV index.

What is the UV index intensity in February in Boulder?

In Boulder, the average daily maximum UV index in February is 1. A UV Index of 2, and less, symbolizes 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 February
Boulder, MT

Average temperature in February - Boulder, MT
  • Average high temperature in February: 29.3°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (27°F).

  • Average low temperature in February: 13.5°F

The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).

Average pressure in February
Boulder, MT

Average pressure in February - Boulder, MT
  • Average pressure in February: 30.13"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in February
Boulder, MT

Average wind speed in February - Boulder, MT
  • Average wind speed in February: 6.2mph

The windiest months (with the highest average wind speed) are January and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in February
Boulder, MT

Average humidity in February - Boulder, MT
  • Average humidity in February: 85%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).

Average rainfall in February
Boulder, MT

Average rainfall in February - Boulder, MT
  • Average rainfall in February: 1.22"

The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is December (0.79").

Average rainfall days in February
Boulder, MT

Average rainfall days in February - Boulder, MT
  • Average rainfall days in February: 8.7 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in February
Boulder, MT

Average snowfall in February - Boulder, MT
  • Average snowfall in February: 9.72"

The month with the highest snowfall is February (9.72").
The months with the least snowfall are July and August (0").

Average snowfall days in February
Boulder, MT

Average snowfall days in February - Boulder, MT
  • Average snowfall days in February: 18 days

The month with the highest number of snowfall days is February (18 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in February /
Average sunshine in February
Boulder, MT

Average daylight in February / Average sunshine in February - Boulder, MT
  • Average daylight in February: 10h and 2min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in February: 6h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

Average sunshine days in February
Boulder, MT

Average sunshine days in February - Boulder, MT
  • Average sunshine days in February: 8.5 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is February (8.5 days).

Average UV index in February
Boulder, MT

Average UV index in February - Boulder, MT
  • Average UV index in February: 1

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

Average cloud cover in February
Boulder, MT

Average cloud cover in February - Boulder, MT
  • Average cloud cover in February: 48

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 15).

Average visibility in February
Boulder, MT

Average visibility in February - Boulder, MT
  • Average visibility in February: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

Boulder, Montana, USA

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