March weather forecast
Brighton, CO

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Trees on partly frozen lake water in Barr Lake State Park in Brighton, Colorado
Trees on partly frozen lake water in Barr Lake State Park in Brighton, Colorado

Weather in March

An arrival of March in Brighton signals the onset of spring. With a tangible rise in median temperatures, the city starts to warm up, finding respite from the intense winter chill. Rainfall increases to one of its highest points for the year at 0.51" (13mm), replacing snow as the dominant form of precipitation. The daylight hours start increasing, bringing longer days. March ushers in the spring season, painting the town in a new light.

Temperature

March comes with an increase, with the average high-temperature moving from a wintry 42.6°F (5.9°C) in February to a fresh 54.7°F (12.6°C). Brighton, in March, displays a significant temperature downturn during the night, with an average reading of 31.6°F (-0.2°C).

Humidity

In Brighton, the average relative humidity in March is 52%.

Rainfall

In March, the rain falls for 6.2 days. Throughout March, 0.51" (13mm) of precipitation is accumulated. In Brighton, during the entire year, the rain falls for 80.6 days and collects up to 5.87" (149mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Brighton, in March, during 4.3 snowfall days, 1.57" (40mm) of snow is typically accumulated. Throughout the year, there are 30.9 snowfall days, and 11.42" (290mm) 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 6:31 am and sunset at 5:51 pm MST. On the last day of March, sunrise is at 6:43 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 Brighton, Colorado, the average sunshine in March is 8.9h.

UV index

In March, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 3 during March leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in March?

Brighton in March has an average high-temperature of 54.7°F (12.6°C) and an average low-temperature of 31.6°F (-0.2°C).

What is the average humidity in March?

In March, the average relative humidity is 52%.

How many days does it rain in March in Brighton?

In Brighton, during March, the rain falls for 6.2 days and regularly aggregates up to 0.51" (13mm) of precipitation.

How many days does it snow in March?

In Brighton, during March, snow falls for 4.3 days and regularly aggregates up to 1.57" (40mm) of snow.

How many hours of daylight does Brighton have in March?

In Brighton, the average day length in March is 11h and 59min.

When is the sunrise / sunset in March?

In March, on the first day of the month, sunrise is at 6:31 am and sunset at 5:51 pm MST. On the last day of the month, sunrise is at 6:43 am and sunset at 7:23 pm MDT.

When does Daylight Saving Time (DST) start in March?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. DST ends Sunday, November 3. 2024, at 2:00 am.

How long on average sun shines in March?

In Brighton, the average sunshine duration in March is 8.9h.

What is the UV index intensity in March?

The average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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 March
Brighton, CO

Average temperature in March - Brighton, CO
  • Average high temperature in March: 54.7°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (40.8°F).

  • Average low temperature in March: 31.6°F

The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).

Average pressure in March
Brighton, CO

Average pressure in March - Brighton, CO
  • Average pressure in March: 29.99"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in March
Brighton, CO

Average wind speed in March - Brighton, CO
  • Average wind speed in March: 7.2mph

The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is December (6mph).

Average humidity in March
Brighton, CO

Average humidity in March - Brighton, CO
  • Average humidity in March: 52%

The months with the highest relative humidity are January and February (64%).
The month with the lowest relative humidity is August (40%).

Average rainfall in March
Brighton, CO

Average rainfall in March - Brighton, CO
  • Average rainfall in March: 0.51"

The wettest month (with the highest rainfall) is May (0.98").
The driest month (with the least rainfall) is December (0.12").

Average rainfall days in March
Brighton, CO

Average rainfall days in March - Brighton, CO
  • Average rainfall days in March: 6.2 days

The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is December (2.6 days).

Average snowfall in March
Brighton, CO

Average snowfall in March - Brighton, CO
  • Average snowfall in March: 1.57"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in March
Brighton, CO

Average snowfall days in March - Brighton, CO
  • Average snowfall days in March: 4.3 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in March /
Average sunshine in March
Brighton, CO

Average daylight in March / Average sunshine in March - Brighton, 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 5min

The months with the most sunshine are June and July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in March
Brighton, CO

Average sunshine days in March - Brighton, CO
  • Average sunshine days in March: 20.6 days

The month with the most sunshine days is December (25.8 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in March
Brighton, CO

Average UV index in March - Brighton, 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
Brighton, CO

Average cloud cover in March - Brighton, CO
  • Average cloud cover in March: 26

The month with the most cloud cover is April (Cloud cover 28).
The months with the least cloud cover are June, August and September (Cloud cover 16).

Average visibility in March
Brighton, CO

Average visibility in March - Brighton, 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).

Brighton, Colorado, USA

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