March weather forecast
Dillon, CO

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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

Coming into March, the weather remains snowy, accumulating up to 15.91" (404mm) of excitement for the winter sports enthusiasts. Despite this, an unmistakable hint of spring is in the air as the daylight hours start to lengthen. Dillon, in its semi-frozen state, prepares for the upcoming spring. The transition period gives an experience of varying weather situations, pleasing to tourists and locals alike. As many adore Dillon in winter, they equally love it during this transitioning season.

Temperature

March witnesses a subtle temperature ascent, adjusting from a subzero cold 23.5°F (-4.7°C) in February to a still freezing cold 30.4°F (-0.9°C). A noticeable temperature swing characterizes Dillon's March nights, dipping to an average of 8.2°F (-13.2°C).

Humidity

The average relative humidity in March is 87%.

Rainfall

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

Snowfall

January through December are months with snowfall. In Dillon, in March, 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 in March is 11h and 59min.
On the first day of March in Dillon, sunrise is at 6:35 am and sunset at 5:56 pm MST. On the last day of the month, sunrise is at 6:48 am and sunset at 7:27 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 Dillon, 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 reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 2 in March transforms into this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

How cold is it in Dillon in March?

In Dillon, in March, the average high-temperature is 30.4°F (-0.9°C), and the average low-temperature is 8.2°F (-13.2°C).

What is the average humidity in March in Dillon?

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

How much does it rain in Dillon in March?

In March, in Dillon, the rain falls for 4.8 days. Throughout March, 1.97" (50mm) of precipitation is accumulated.

How many days does it snow in March in Dillon?

In Dillon, Colorado, in March, during 18.4 snowfall days, 15.91" (404mm) of snow is typically accumulated.

What is the average length of the day in March in Dillon?

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

When is the sunrise / sunset in March in Dillon?

In March, on the first day of the month, sunrise is at 6:35 am and sunset at 5:56 pm MST. On the last day of the month, in Dillon, Colorado, sunrise is at 6:48 am and sunset at 7:27 pm MDT.

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

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

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

How high is the UV index in March in Dillon?

The average daily maximum UV index in March in Dillon is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe 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
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"Hg

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

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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 and 0min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in March: 7h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).

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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

The months with the highest UV index are July and August (UV index 4).
The 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

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

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Dillon, Colorado, USA

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