February weather forecastBoulder, CO
February
Weather in February
Boulder's February weather is marked by an upward push in temperature, making it slightly warmer than January. The increased warmth is paired with amplified snowfall up to 5.83" (148mm). These weather conditions, coupled with longer daylight hours, contribute to a more pleasant ambience when compared to the previous month. Come March though, a significant transformation is observed as Boulder bids adieu to the winter season. It, therefore, becomes a key period of transition between winter and the upcoming spring.Temperature
February brings an average high-temperature of a still icy 36.1°F (2.3°C), nearly identical to the preceding month. Boulder experiences an average low-temperature of 18°F (-7.8°C) in month of February.Humidity
The most humid month is February, with an average relative humidity of 70%.Rainfall
In February, the rain falls for 4 days. Throughout February, 0.75" (19mm) of precipitation is accumulated. In Boulder, during the entire year, the rain falls for 117.3 days and collects up to 14.17" (360mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In February, it is snowing for 10.3 days. Throughout February, 5.83" (148mm) of snow is accumulated. In Boulder, during the entire year, snow falls for 44.8 days and aggregates up to 37.01" (940mm) of snow.Daylight
In February, the average length of the day is 10h and 43min.On the first day of February, sunrise is at 7:09 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 6:34 am and sunset at 5:52 pm MST.
Sunshine
The month with the least sunshine is February, with an average of 6.6h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In February, a daily maximum UV index of 2 leads to the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Boulder, CO
- Average high temperature in February: 36.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is December (35.2°F).
- Average low temperature in February: 18°F
The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is February (18°F).
Average pressure in February
Boulder, CO
- Average pressure in February: 30.08"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.92"Hg).
Average wind speed in February
Boulder, CO
- Average wind speed in February: 6.9mph
The windiest month (with the highest average wind speed) is January (7.3mph).
The calmest months (with the lowest average wind speed) are May, July, August and September (5.7mph).
Average humidity in February
Boulder, CO
- Average humidity in February: 70%
The month with the highest relative humidity is February (70%).
The months with the lowest relative humidity are June, August and September (45%).
Average rainfall in February
Boulder, CO
- Average rainfall in February: 0.75"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in February
Boulder, CO
- Average rainfall days in February: 4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (3.3 days).
Average snowfall in February
Boulder, CO
- Average snowfall in February: 5.83"
The month with the highest snowfall is April (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in February
Boulder, CO
- Average snowfall days in February: 10.3 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in February /
Average sunshine in February
Boulder, CO
- Average daylight in February: 10h and 42min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in February: 6h and 36min
The months with the most sunshine are June and July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in February
Boulder, CO
- Average sunshine days in February: 15.8 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in February
Boulder, CO
- Average UV index in February: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in February
Boulder, CO
- Average cloud cover in February: 27
The months with the most cloud cover are April and May (Cloud cover 28).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in February
Boulder, CO
- Average visibility in February: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
