Climate and monthly weather forecast
Sundance, WY

Weather in January

January, the same as December, in Sundance, Wyoming, is another subzero cold winter month, with temperature in the range of an average high of 27.1°F (-2.7°C) and an average low of 12.2°F (-11°C). In January, the average high-temperature is practically the same as in December - a still freezing cold 27.1°F (-2.7°C). Weather in January »

Weather in February

February, the last month of the winter in Sundance, is another freezing cold month, with temperature in the range of an average low of 10.8°F (-11.8°C) and an average high of 26.8°F (-2.9°C). In February, the average high-temperature is relatively the same as in January - a still subzero cold 26.8°F (-2.9°C). Weather in February »

Weather in March

March, the first month of the spring in Sundance, is a cold month, with an average temperature varying between 39.4°F (4.1°C) and 23°F (-5°C). In March, the average high-temperature increases from a subzero cold 26.8°F (-2.9°C) in February to a cold 39.4°F (4.1°C). Weather in March »

Weather in April

April is a chilly spring month in Sundance, Wyoming, with an average temperature varying between 47.1°F (8.4°C) and 29.5°F (-1.4°C). In April, the average high-temperature marginally rises from a wintry 39.4°F (4.1°C) in March to a frosty 47.1°F (8.4°C). Weather in April »

Weather in May

May, the last month of the spring in Sundance, is a mild month, with an average temperature fluctuating between 39.6°F (4.2°C) and 58.1°F (14.5°C). In May, the average high-temperature increases from a chilly 47.1°F (8.4°C) in April to a mild 58.1°F (14.5°C). Weather in May »

Weather in June

June, the first month of the summer in Sundance, is a pleasant month, with temperature in the range of an average high of 70.9°F (21.6°C) and an average low of 50.7°F (10.4°C). In Sundance, the average high-temperature in June increases from a mild 58.1°F (14.5°C) in May to a pleasant 70.9°F (21.6°C). Weather in June »

Weather in July

July is a warm summer month in Sundance, Wyoming, with an average temperature varying between 79.2°F (26.2°C) and 57.7°F (14.3°C). The warmest month is July, with an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 57.7°F (14.3°C). Weather in July »

Weather in August

August, the last month of the summer in Sundance, is another warm month, with temperature in the range of an average low of 55.8°F (13.2°C) and an average high of 77.2°F (25.1°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 77.2°F (25.1°C). Weather in August »

Weather in September

September, the first month of the autumn in Sundance, is also an agreeable month, with an average temperature fluctuating between 48°F (8.9°C) and 68.5°F (20.3°C). In September, the average high-temperature marginally drops from a moderately hot 77.2°F (25.1°C) in August to an agreeable 68.5°F (20.3°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Sundance, Wyoming, with an average temperature ranging between max 50°F (10°C) and min 32.9°F (0.5°C). In October, the average high-temperature significantly decreases from a pleasant 68.5°F (20.3°C) in September to a cool 50°F (10°C). Weather in October »

Weather in November

November, the last month of the autumn in Sundance, is another cold month, with an average temperature varying between 22.3°F (-5.4°C) and 38.1°F (3.4°C). In November, the average high-temperature decreases from a fresh 50°F (10°C) in October to a cold 38.1°F (3.4°C). Weather in November »

Weather in December

December, the first month of the winter in Sundance, is also a subzero cold month, with an average temperature ranging between max 26.2°F (-3.2°C) and min 11.7°F (-11.3°C). December is the coldest month, with an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 11.7°F (-11.3°C). Weather in December »
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FAQ

How much does it rain in Sundance?

In Sundance, Wyoming, during the entire year, the rain falls for 123.2 days and collects up to 19.37" (492mm) of precipitation.

When does it snow in Sundance?

Months with snowfall are January through June, September through December.

How much does it snow in Sundance?

Throughout the year, there are 80.3 snowfall days, and 41.73" (1060mm) of snow is accumulated.

What are the months with the lowest UV index in Sundance?

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

What is the most humid month in Sundance?

February is the most humid month in Sundance, Wyoming, with an average relative humidity of 84%.

What is the month with the least sunshine in Sundance?

February has the least sunshine of the year in Sundance, with an average of 5.6h of sunshine.

When is Daylight Saving Time (DST) in Sundance?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

What is the snowiest month in Sundance?

The month with the most snowfall is April, when snow falls for 10.6 days and typically aggregates up to 8.82" (224mm) of snow.

What is the wettest month in Sundance?

The wettest months in Sundance, Wyoming, are June and July, with an average 2.68" (68mm) of rainfall.

When are the longest days in Sundance?

The month with the longest days in Sundance, Wyoming, is June, with an average of 15h and 29min of daylight.

What are the months with the highest UV index in Sundance?

The months with the highest UV index in Sundance are June through August, with an average maximum UV index of 5.

What is the warmest month in Sundance?

With an average high-temperature of 79.2°F (26.2°C) and an average low-temperature of 57.7°F (14.3°C), July is the warmest month in Sundance.

When it does not snow in Sundance?

July and August are months without snowfall in Sundance, Wyoming.

What are the least humid months in Sundance?

The months with the lowest humidity in Sundance, Wyoming, are August and September, with an average relative humidity of 53%.

What month has the most sunshine in Sundance?

The month with the most sunshine in Sundance, Wyoming, is August, with an average of 11.8h of sunshine.

What is the coldest month in Sundance?

With an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 11.7°F (-11.3°C), December is the coldest month.

What is the driest month in Sundance?

December is the month with the least rainfall in Sundance. Rain falls for 4.3 days and accumulates 0.67" (17mm) of precipitation.

What is the month with the shortest days in Sundance?

December has the shortest days of the year, with an average of 8h and 55min of daylight.

Average temperature
Sundance, WY

Average temperature - Sundance, WY

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).

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).

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Average pressure
Sundance, WY

Average pressure - Sundance, WY

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).

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Average wind speed
Sundance, WY

Average wind speed - Sundance, WY

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).

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Average humidity
Sundance, WY

Average humidity - Sundance, WY

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

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Average rainfall
Sundance, WY

Average rainfall - Sundance, WY

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

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Average rainfall days
Sundance, WY

Average rainfall days - Sundance, WY

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).

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Average snowfall
Sundance, WY

Average snowfall - Sundance, WY

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

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Average snowfall days
Sundance, WY

Average snowfall days - Sundance, WY

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).

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Average daylight / Average sunshine
Sundance, WY

Average daylight / Average sunshine - Sundance, WY

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 55min).

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).

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Average sunshine days
Sundance, WY

Average sunshine days - Sundance, WY

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

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Average UV index
Sundance, WY

Average UV index - Sundance, WY

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).

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Average visibility
Sundance, WY

Average visibility - Sundance, WY

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).

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