March weather forecastThornton, CO
March
Weather in March
March, the first month of the spring in Thornton, is a fresh month, with an average temperature varying between 54.1°F (12.3°C) and 31.5°F (-0.3°C).Temperature
March brings an increase in the average high-temperature, progressing from an icy 42.4°F (5.8°C) in February to a cool 54.1°F (12.3°C). March's nights exhibit a sharp contrast from day highs, with an average temperature of 31.5°F (-0.3°C).Humidity
The average relative humidity in March is 52%.Rainfall
In Thornton, Colorado, in March, it is raining for 4.7 days, with typically 0.31" (8mm) of accumulated precipitation. In Thornton, during the entire year, the rain falls for 48.3 days and collects up to 3.19" (81mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Thornton, in March, snow falls for 2.8 days, with typically accumulated 1.1" (28mm) of snow. Throughout the year, in Thornton, there are 19.6 snowfall days, and 8.5" (216mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 59min.On the first day of March, sunrise is at 6:31 am and sunset at 5:52 pm MST. On the last day of the month, sunrise is at 6:44 am and sunset at 7:23 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 Thornton, the average sunshine in March is 9.1h.UV index
In Thornton, the average daily maximum UV index in March is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In March, an average UV index of 3 transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. 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 March
Thornton, CO
- Average high temperature in March: 54.1°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in March: 31.5°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in March
Thornton, CO
- Average pressure in March: 29.99"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are April and June (29.91"Hg).
Average wind speed in March
Thornton, CO
- Average wind speed in March: 6.7mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in March
Thornton, CO
- Average humidity in March: 52%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (39%).
Average rainfall in March
Thornton, CO
- Average rainfall in March: 0.31"
The wettest month (with the highest rainfall) is July (0.59").
The driest months (with the least rainfall) are January and December (0.08").
Average rainfall days in March
Thornton, CO
- Average rainfall days in March: 4.7 days
The month with the highest number of rainy days is July (8.2 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in March
Thornton, CO
- Average snowfall in March: 1.1"
The month with the highest snowfall is October (1.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Thornton, CO
- Average snowfall days in March: 2.8 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Thornton, 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: 9h and 6min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 42min).
Average sunshine days in March
Thornton, CO
- Average sunshine days in March: 25.3 days
The month with the most sunshine days is December (28.5 days).
The month with the least sunshine days is July (19.6 days).
Average UV index in March
Thornton, CO
- Average UV index in March: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in March
Thornton, CO
- Average cloud cover in March: 24
The months with the most cloud cover are February, April and May (Cloud cover 25).
The month with the least cloud cover is September (Cloud cover 14).
Average visibility in March
Thornton, 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).
