March weather forecast and climate
Dillon, CO

The brown and golden trees near the iconic Dillon reservoir in Colorado
The brown and golden trees near the iconic Dillon reservoir in Colorado

Weather in March

The first month of the spring, March, is also a subzero cold month in Dillon, Colorado, with average temperature ranging between min 8.2°F (-13.2°C) and max 30.4°F (-0.9°C).

Temperature

In Dillon, the average high-temperature slightly increases, from a subzero cold 23.5°F (-4.7°C) in February, to a still freezing cold 30.4°F (-0.9°C). In Dillon, in March, the average low-temperature is 8.2°F (-13.2°C).

Humidity

In Dillon, the average relative humidity is 87%.

Rainfall

In Dillon, during March, the rain falls for 4.8 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, there are 111.5 rainfall days, and 23.19" (589mm) of precipitation is accumulated.

Snowfall

January through December are months with snowfall. In Dillon, Colorado,, snow falls for 18.4 days, with typically accumulated 15.91" (404mm) of snow. Throughout the year, in Dillon, there are 149 snowfall days, and 108.54" (2757mm) of snow is accumulated.

Daylight

The average length of the day is 12h.

Sunshine

The average sunshine in March is 7.5h.

UV index

In Dillon, the average daily maximum UV index in March is 2. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: In March, the average maximum UV index of 2 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in March in Dillon?

In Dillon, Colorado, the average relative humidity in March is 87%.

How many days does it rain in March in Dillon?

In Dillon, in March, it is raining for 4.8 days, with typically 1.97" (50mm) of accumulated precipitation.

How much does it snow in Dillon in March?

In March, in Dillon, it is snowing for 18.4 days. Throughout March, 15.91" (404mm) of snow is accumulated.

How many hours of daylight does Dillon have in March?

The average length of the day in March in Dillon, Colorado, is 12h.

How many hours of sunshine does Dillon have in March?

In Dillon, Colorado, the average sunshine in March is 7.5h.

What is the UV index intensity in March in Dillon?

In Dillon, Colorado, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in March
Dillon, CO

Average temperature in March - Dillon, CO
  • Average high temperature in March: 30.4°F

The warmest month (with the highest average high temperature) is July (67.1°F).
The month with the lowest average high temperature is December (22.5°F).

  • Average low temperature in March: 8.2°F

The month with the highest average low temperature is July (39.7°F).
The coldest month (with the lowest average low temperature) is December (0.9°F).

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Average pressure in March
Dillon, CO

Average pressure in March - Dillon, CO
  • Average pressure in March: 30.02"

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is April (29.93").

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Average wind speed in March
Dillon, CO

Average wind speed in March - Dillon, CO
  • Average wind speed in March: 6.5mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in March
Dillon, CO

Average humidity in March - Dillon, CO
  • Average humidity in March: 87%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is June (53%).

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Average rainfall in March
Dillon, CO

Average rainfall in March - Dillon, CO
  • Average rainfall in March: 1.97"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.06").

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Average rainfall days in March
Dillon, CO

Average rainfall days in March - Dillon, CO
  • Average rainfall days in March: 4.8 days

The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (2.8 days).

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Average snowfall in March
Dillon, CO

Average snowfall in March - Dillon, CO
  • Average snowfall in March: 15.91"

The month with the highest snowfall is April (18.27").
The month with the least snowfall is July (0.47").

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Average snowfall days in March
Dillon, CO

Average snowfall days in March - Dillon, CO
  • Average snowfall days in March: 18.4 days

The month with the highest number of snowfall days is April (21 days).
The month with the least snowfall days is July (1.8 days).

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

Average daylight in March / Average sunshine in March - Dillon, CO
  • Average daylight in March: 12h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in March: 7.5h

The month with the most sunshine is June (Average sunshine: 11.4h).
The month with the least sunshine is February (Average sunshine: 5.4h).

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Average sunshine days in March
Dillon, CO

Average sunshine days in March - Dillon, CO
  • Average sunshine days in March: 11.4 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (5.3 days).

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Average UV index in March
Dillon, CO

Average UV index in March - Dillon, CO
  • Average UV index in March: 2

Months with the highest UV index are July and August (UV index 4).
Months with the lowest UV index are February, November and December (UV index 1).

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Average cloud cover in March
Dillon, CO

Average cloud cover in March - Dillon, CO
  • Average cloud cover in March: 44

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 19).

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Average visibility in March
Dillon, CO

Average visibility in March - Dillon, CO
  • Average visibility in March: 4mi

Months with the highest visibility are June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, April and December (4mi).

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