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

The shift into March is characterized by a subtle rise in the average high-temperature, transitioning from February's freezing cold 23.5°F (-4.7°C) to a still subzero cold 30.4°F (-0.9°C). Contrary to the day's heat, an average low-temperature of 8.2°F (-13.2°C) is recorded during the nights in March.

Humidity

The average relative humidity in March is 87%.

Rainfall

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

Snowfall

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

Daylight

In Dillon, the average length of the day in March is 11h and 59min.
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 March, 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 March, the average sunshine 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 the average person.
Note: The average daily UV index of 2 in March transforms into the following instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. 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. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in March?

The average high-temperature and low-temperature during March are 30.4°F (-0.9°C) and 8.2°F (-13.2°C) respectively.

What is the average humidity in March?

The average relative humidity in March in Dillon is 87%.

How many days does it rain in March?

In Dillon, during March, the rain falls for 4.8 days and regularly aggregates up to 1.97" (50mm) of precipitation.

How many days does it snow in March?

In Dillon, during March, snow falls for 18.4 days and regularly aggregates up to 15.91" (404mm) of snow.

How many hours of daylight does Dillon have in March?

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

When are sunrise and sunset in March?

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, sunrise is at 6:48 am and sunset at 7:27 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 many hours of sunshine does Dillon have in March?

In March, the average sunshine duration is 7.5h.

How high is the UV index in March?

In March, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Dillon, Colorado, USA

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