March weather forecast
Newcastle, WY

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Weather in March

Beginning the transition from winter to spring, March brings a perceptible but moderate rise in temperature. There is a sharp increase in the rainfall rate, with the month receiving 1.22" (31mm) of rain, however, the snowfall also remains abundant. Specific weather phenomena captured in March include longer days and higher wind speeds. Rejoice, as daylight begins to reclaim the day, though it's still advisable to keep warm clothing at arm's reach. March brings a tantalising taste of the warmer months ahead.

Temperature

March witnesses an increase in the average high-temperature, moving from a freezing cold 26.8°F (-2.9°C) in February to a wintry 39.4°F (4.1°C). Newcastle experiences an average nighttime temperature of 23°F (-5°C) in the month of March.

Humidity

The average relative humidity in March is 77%.

Rainfall

In March, the rain falls for 7.6 days. Throughout March, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 123.2 rainfall days, and 19.37" (492mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Newcastle, Wyoming, are January through June, September through December. In Newcastle, Wyoming, in March, during 10.3 snowfall days, 5.91" (150mm) of snow is typically accumulated. In Newcastle, during the entire year, snow falls for 80.3 days and aggregates up to 41.38" (1051mm) of snow.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of March, sunrise is at 6:31 am and sunset at 5:45 pm MST. On the last day of the month, sunrise is at 6:38 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 Newcastle, Wyoming, the average sunshine in March is 7.7h.

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 value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In March, a daily maximum UV index of 2 leads to the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is March?

In Newcastle, in March, the average high-temperature is 39.4°F (4.1°C), and the average low-temperature is 23°F (-5°C).

What is the average humidity in March in Newcastle?

In Newcastle, the average relative humidity in March is 77%.

How many days does it rain in March?

In Newcastle, in March, during 7.6 rainfall days, 1.22" (31mm) of precipitation is typically accumulated.

How much does it snow in March?

In March, it is snowing for 10.3 days. Throughout March, 5.91" (150mm) of snow is accumulated.

How many hours of daylight does Newcastle have in March?

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

When are sunrise and sunset in March?

In March, on the first day of the month, sunrise is at 6:31 am and sunset at 5:45 pm MST. On the last day of the month, sunrise is at 6:38 am and sunset at 7:23 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 long on average sun shines in March?

In March, the average sunshine duration is 7.7h.

When is the lowest UV index?

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

What is the UV index intensity in March?

In Newcastle, the average daily maximum UV index in March is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Newcastle, WY

Average temperature in March - Newcastle, WY
  • Average high temperature in March: 39.4°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.2°F).

  • Average low temperature in March: 23°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (10.8°F).

Average pressure in March
Newcastle, WY

Average pressure in March - Newcastle, WY
  • Average pressure in March: 29.99"Hg

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed in March
Newcastle, WY

Average wind speed in March - Newcastle, WY
  • Average wind speed in March: 9.1mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

Average humidity in March
Newcastle, WY

Average humidity in March - Newcastle, WY
  • Average humidity in March: 77%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (53%).

Average rainfall in March
Newcastle, WY

Average rainfall in March - Newcastle, WY
  • Average rainfall in March: 1.22"

The wettest months (with the highest rainfall) are June and July (2.68").
The driest month (with the least rainfall) is December (0.67").

Average rainfall days in March
Newcastle, WY

Average rainfall days in March - Newcastle, WY
  • Average rainfall days in March: 7.6 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in March
Newcastle, WY

Average snowfall in March - Newcastle, WY
  • Average snowfall in March: 5.91"

The month with the highest snowfall is April (8.82").
The months with the least snowfall are July and August (0").

Average snowfall days in March
Newcastle, WY

Average snowfall days in March - Newcastle, WY
  • Average snowfall days in March: 10.3 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in March / Average sunshine in March - Newcastle, WY
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in March: 7h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

Average sunshine days in March
Newcastle, WY

Average sunshine days in March - Newcastle, WY
  • Average sunshine days in March: 16.2 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.7 days).

Average UV index in March
Newcastle, WY

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

Average cloud cover in March
Newcastle, WY

Average cloud cover in March - Newcastle, WY
  • Average cloud cover in March: 38

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in March
Newcastle, WY

Average visibility in March - Newcastle, WY
  • Average visibility in March: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

Newcastle, Wyoming, USA

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