March weather forecastNiwot, CO
March
Weather in March
March, the first month of the spring in Niwot, is a fresh month, with an average temperature ranging between max 51.4°F (10.8°C) and min 29.7°F (-1.3°C).Temperature
In March, the meteorological conditions change with the average high-temperature moving from a wintry 40.3°F (4.6°C) in February to a fresh 51.4°F (10.8°C). Niwot logs a substantial downturn to a subzero cold 29.7°F (-1.3°C) during March nights, a considerable shift from daytime highs.Humidity
In March, the average relative humidity is 55%.Rainfall
In Niwot, during March, the rain falls for 7.7 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Niwot, during the entire year, the rain falls for 105.4 days and collects up to 10.43" (265mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Niwot. In Niwot, in March, during 4.9 snowfall days, 3.9" (99mm) of snow is typically accumulated. Throughout the year, there are 37.1 snowfall days, and 26.73" (679mm) of snow is accumulated.Daylight
In March, the average length of the day is 11h and 59min.On the first day of the month, sunrise is at 6:32 am and sunset at 5:53 pm MST. On the last day of March, sunrise is at 6:44 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 9h.UV index
In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during March leads to these instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Niwot, CO
- Average high temperature in March: 51.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (39°F).
- Average low temperature in March: 29.7°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (19.9°F).
Average pressure in March
Niwot, 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 and June (29.91"Hg).
Average wind speed in March
Niwot, CO
- Average wind speed in March: 6.6mph
The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.6mph).
Average humidity in March
Niwot, CO
- Average humidity in March: 55%
The month with the highest relative humidity is February (66%).
The month with the lowest relative humidity is August (42%).
Average rainfall in March
Niwot, CO
- Average rainfall in March: 0.83"
The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in March
Niwot, CO
- Average rainfall days in March: 7.7 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in March
Niwot, CO
- Average snowfall in March: 3.9"
The month with the highest snowfall is November (4.41").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Niwot, CO
- Average snowfall days in March: 4.9 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in March /
Average sunshine in March
Niwot, 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 0min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 48min).
Average sunshine days in March
Niwot, CO
- Average sunshine days in March: 18.8 days
The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in March
Niwot, CO
- Average UV index in March: 3
The months with the highest UV index are 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
Niwot, CO
- Average cloud cover in March: 24
The months with the most cloud cover are April and May (Cloud cover 26).
The months with the least cloud cover are June and September (Cloud cover 16).
Average visibility in March
Niwot, 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).





