March weather forecast
Thornton, CO

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Weather in March

March, the first month of the spring in Thornton, is a fresh month, with an average temperature varying between 31.5°F (-0.3°C) and 54.1°F (12.3°C).

Temperature

The shift from February to March is marked by an increase in the average high-temperature, moving from a cold 42.4°F (5.8°C) to a cool 54.1°F (12.3°C). During March, Thornton's temperature records a considerable difference from its daily highs to an average low of 31.5°F (-0.3°C).

Humidity

The average relative humidity in March in Thornton is 52%.

Rainfall

In March, the rain falls for 4.7 days. Throughout March, 0.31" (8mm) of precipitation is accumulated. Throughout the year, in Thornton, there are 48.3 rainfall days, and 3.19" (81mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Thornton, Colorado. In March, in Thornton, it is snowing for 2.8 days. Throughout March, 1.1" (28mm) of snow is accumulated. Throughout the year, 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 the month, sunrise is at 6:31 am and sunset at 5:52 pm MST. On the last day of March, 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, Colorado, the average sunshine in March is 9.1h.

UV index

The average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In March, the average maximum UV index of 3 translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Thornton in March?

The high-temperature, in March, in Thornton, records 54.1°F (12.3°C), while the low-temperature is 31.5°F (-0.3°C).

What is the average humidity in March in Thornton?

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

How much does it rain in Thornton in March?

In Thornton, in March, during 4.7 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

How many days does it snow in March in Thornton?

In Thornton, Colorado, during March, snow falls for 2.8 days and regularly aggregates up to 1.1" (28mm) of snow.

How many hours of daylight does Thornton have in March?

The average day length in March in Thornton is 11h and 59min.

When are sunrise and sunset in March in Thornton?

On the first day of March in Thornton, 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.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Thornton, 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 Thornton?

In Thornton, Colorado, the average sunshine duration in March is 9.1h.

What is the UV index intensity in March in Thornton?

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

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).

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Average pressure in March
Thornton, CO

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).

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Average wind speed in March
Thornton, CO

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).

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Average humidity in March
Thornton, CO

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%).

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Average rainfall in March
Thornton, CO

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").

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Average rainfall days in March
Thornton, CO

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).

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Average snowfall in March
Thornton, CO

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").

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Average snowfall days in March
Thornton, CO

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).

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

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 1min

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).

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Average sunshine days in March
Thornton, CO

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).

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Average UV index in March
Thornton, CO

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).

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Average cloud cover in March
Thornton, CO

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).

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Average visibility in March
Thornton, CO

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).

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Thornton, Colorado, USA

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