March weather forecast
Casper, WY

The calm North Platte River flowing through downtown Casper in Wyoming
The calm North Platte River flowing through downtown Casper in Wyoming

Weather in March

The first month of the spring, March, is a chilly month in Casper, Wyoming, with an average temperature varying between 43°F (6.1°C) and 26.4°F (-3.1°C).

Temperature

In March, the average high-temperature rises from a freezing cold 30.7°F (-0.7°C) in February to a frosty 43°F (6.1°C). In March, in Casper, the average low-temperature is 26.4°F (-3.1°C).

Humidity

In Casper, the average relative humidity in March is 67%.

Rainfall

In March, the rain falls for 7.3 days. Throughout March, 0.94" (24mm) of precipitation is accumulated. In Casper, during the entire year, the rain falls for 91.6 days and collects up to 9.69" (246mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In Casper, snow falls for 8.3 days, with typically accumulated 4.88" (124mm) of snow. Throughout the year, in Casper, there are 61.5 snowfall days, and 32.13" (816mm) of snow is accumulated.

Daylight

The average length of the day in March in Casper is 11h and 58min.
On the first day of March in Casper, sunrise is at 6:40 am and sunset at 5:54 pm MST. On the last day of the month, sunrise is at 6:48 am and sunset at 7:29 pm MDT.
Note: On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time lasts until Sunday, November 5. 2023, at 2:00 am; consequently, the time zone reverts from MDT to MST.

Sunshine

The average sunshine in March in Casper is 8.7h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 temperature in March in Casper?

In March, the average high-temperature is 43°F (6.1°C), and the average low-temperature is 26.4°F (-3.1°C).

What is the average humidity in March in Casper?

In Casper, Wyoming, the average relative humidity in March is 67%.

How many days does it rain in March in Casper?

In Casper, during March, the rain falls for 7.3 days and regularly aggregates up to 0.94" (24mm) of precipitation.

How much does it snow in Casper in March?

In Casper, Wyoming, in March, during 8.3 snowfall days, 4.88" (124mm) of snow is typically accumulated.

How many hours of daylight does Casper have in March?

In Casper, the average day length in March is 11h and 58min.

When are sunrise and sunset in March in Casper?

In March, on the first day of the month, sunrise is at 6:40 am and sunset at 5:54 pm MST. On the last day of the month, in Casper, sunrise is at 6:48 am and sunset at 7:29 pm MDT.

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

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Casper, and the time zone changes from MST to MDT. DST ends Sunday, November 5. 2023, at 2:00 am.

How long on average sun shines in March in Casper?

In Casper, Wyoming, the average sunshine duration in March is 8.7h.

When is the lowest UV index in Casper?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Casper, Wyoming.

What is the UV index intensity in March in Casper?

The average daily maximum UV index in March in Casper, Wyoming, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
Casper, WY

Average temperature in March - Casper, WY
  • Average high temperature in March: 43°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (28.4°F).

  • Average low temperature in March: 26.4°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is December (15.1°F).

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Average pressure in March
Casper, WY

Average pressure in March - Casper, WY
  • Average pressure in March: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in March
Casper, WY

Average wind speed in March - Casper, WY
  • Average wind speed in March: 11.1mph

The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest months (with the lowest average wind speed) are July and August (8.5mph).

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Average humidity in March
Casper, WY

Average humidity in March - Casper, WY
  • Average humidity in March: 67%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (37%).

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Average rainfall in March
Casper, WY

Average rainfall in March - Casper, WY
  • Average rainfall in March: 0.94"

The wettest month (with the highest rainfall) is May (1.77").
The driest months (with the least rainfall) are January, August and September (0.43").

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Average rainfall days in March
Casper, WY

Average rainfall days in March - Casper, WY
  • Average rainfall days in March: 7.3 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is January (3.6 days).

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Average snowfall in March
Casper, WY

Average snowfall in March - Casper, WY
  • Average snowfall in March: 4.88"

The month with the highest snowfall is November (5.47").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in March
Casper, WY

Average snowfall days in March - Casper, WY
  • Average snowfall days in March: 8.3 days

The month with the highest number of snowfall days is February (11.2 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in March /
Average sunshine in March
Casper, WY

Average daylight in March / Average sunshine in March - Casper, WY
  • Average daylight in March: 11h and 58min

The month with the longest days is June (Average daylight: 15h and 17min).
The month with the shortest days is December (Average daylight: 9h and 5min).

  • Average sunshine in March: 8h and 42min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

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Average sunshine days in March
Casper, WY

Average sunshine days in March - Casper, WY
  • Average sunshine days in March: 17.3 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.9 days).

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Average UV index in March
Casper, WY

Average UV index in March - Casper, WY
  • Average UV index in March: 2

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, March, April, October, November and December (UV index 2).

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Average cloud cover in March
Casper, WY

Average cloud cover in March - Casper, WY
  • Average cloud cover in March: 29

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in March
Casper, WY

Average visibility in March - Casper, WY
  • 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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