Contents
- Weather in March
- Frequently asked questions
- Average temperature in March
- Average pressure in March
- Average wind speed in March
- Average humidity in March
- Average rainfall in March
- Average rainfall days in March
- Average snowfall in March
- Average snowfall days in March
- Average daylight in March
- Average sunshine in March
- Average sunshine days in March
- Average UV index in March
- Average cloud cover in March
- Average visibility in March
Weather in March
Temperature
Boulder's weather shows a temperature rise with the arrival of March, moving from a cold 36.1°F (2.3°C) in February to a chilly 46.4°F (8°C). During the nights in March, an average low-temperature of 26.1°F (-3.3°C) is observed.Humidity
In Boulder, the average relative humidity in March is 61%.Rainfall
In Boulder, in March, during 9.3 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Boulder, during the entire year, the rain falls for 117.3 days and collects up to 14.17" (360mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Boulder, in March, snow falls for 6.1 days, with typically accumulated 6.26" (159mm) of snow. Throughout the year, there are 44.8 snowfall days, and 37.01" (940mm) of snow is accumulated.Daylight
In Boulder, the average length of the day in March is 11h and 59min.On the first day of March, sunrise is at 6:32 am and sunset at 5:53 pm MST. On the last day of the month, sunrise is at 6:45 am and sunset at 7:24 pm MDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from MDT to MST.
Sunshine
In March, the average sunshine is 8.7h.UV index
The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 3 in March translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in March?
What is the average humidity in March?
How many days does it rain in March?
How many days does it snow in March?
How many hours of daylight does Boulder have in March?
What time are sunrise and sunset in March?
When does Daylight Saving Time (DST) start in March?
How many hours of sunshine does Boulder have in March?
What is the UV index reading in March?
Average temperature in March
Boulder, CO
- Average high temperature in March: 46.4°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 March: 26.1°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 March
Boulder, CO
- Average pressure in March: 30"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 March
Boulder, CO
- Average wind speed in March: 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 March
Boulder, CO
- Average humidity in March: 61%
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 March
Boulder, CO
- Average rainfall in March: 1.14"
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 March
Boulder, CO
- Average rainfall days in March: 9.3 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 March
Boulder, CO
- Average snowfall in March: 6.26"
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 March
Boulder, CO
- Average snowfall days in March: 6.1 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 March /
Average sunshine in March
Boulder, CO
- Average daylight in March: 12h and 0min
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 March: 8h and 4min
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 March
Boulder, CO
- Average sunshine days in March: 17.1 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 March
Boulder, CO
- Average UV index in March: 3
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 March
Boulder, CO
- Average cloud cover in March: 25
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 March
Boulder, CO
- Average visibility in March: 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).
Boulder, Colorado, USA
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