Climate and monthly weather forecast
Kelly, WY

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Weather in January

January, like December, is another subzero cold winter month in Kelly, Wyoming, with an average temperature ranging between max 23.4°F (-4.8°C) and min 4.3°F (-15.4°C). A minor adjustment in Kelly's average high-temperature is noted with the start of January, touching a still freezing cold 23.4°F (-4.8°C) from December's 21°F (-6.1°C). Weather in January »

Weather in February

February, the last month of the winter in Kelly, is another freezing cold month, with an average temperature ranging between min 6.6°F (-14.1°C) and max 23.9°F (-4.5°C). Kelly signifies an average high-temperature of a still freezing cold 23.9°F (-4.5°C) in February, closely mirroring the 23.4°F (-4.8°C) of January. Weather in February »

Weather in March

The first month of the spring, March, is still a freezing cold month in Kelly, Wyoming, with an average temperature varying between 13.6°F (-10.2°C) and 30°F (-1.1°C). A minor escalation in the average high-temperature is seen with the onset of March, moving from a freezing cold 23.9°F (-4.5°C) in February to a still subzero cold 30°F (-1.1°C). Weather in March »

Weather in April

April is a wintry spring month in Kelly, Wyoming, with an average temperature varying between 37°F (2.8°C) and 19.8°F (-6.8°C). April's arrival coincides with a subtle temperature rise, moving from March's freezing cold 30°F (-1.1°C) to an icy 37°F (2.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a frosty month in Kelly, Wyoming, with an average temperature varying between 49.3°F (9.6°C) and 28.8°F (-1.8°C). The arrival of May sees a shift in the average high-temperature, moving from a wintry 37°F (2.8°C) in April to a chilly 49.3°F (9.6°C). Weather in May »

Weather in June

June, the first month of the summer in Kelly, is an enjoyable month, with an average temperature varying between 61.3°F (16.3°C) and 36.9°F (2.7°C). The arrival of June brings an increase in high-temperatures, moving from a frosty 49.3°F (9.6°C) in May to a comfortable 61.3°F (16.3°C). Weather in June »

Weather in July

July in Kelly, Wyoming, is an agreeable summer month, with an average temperature fluctuating between 72°F (22.2°C) and 43.9°F (6.6°C). Temperature records mark July as the warmest month, with highs averaging 72°F (22.2°C) and lows at 43.9°F (6.6°C). Weather in July »

Weather in August

August, the last month of the summer in Kelly, is also an agreeable month, with an average temperature ranging between max 70.3°F (21.3°C) and min 43.5°F (6.4°C). Kelly's average high-temperature in August sits at a still agreeable 70.3°F (21.3°C), showing little difference from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is still a comfortable month in Kelly, Wyoming, with an average temperature varying between 37°F (2.8°C) and 62.1°F (16.7°C). The transition into September subtly indicates a reduction in the average high-temperature, down to an enjoyable 62.1°F (16.7°C) from August's agreeable 70.3°F (21.3°C). Weather in September »

Weather in October

October, like September, is a frosty autumn month in Kelly, Wyoming, with an average temperature varying between 25.9°F (-3.4°C) and 45°F (7.2°C). October is marked by a distinct decrease in the average high-temperature, falling from a comfortable 62.1°F (16.7°C) in September to a chilly 45°F (7.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Kelly, is another freezing cold month, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 14.7°F (-9.6°C). In Kelly, the average high-temperature in November drops from a chilly 45°F (7.2°C) in October to a freezing cold 30.9°F (-0.6°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Kelly, Wyoming, with temperature in the range of an average high of 21°F (-6.1°C) and an average low of 4.1°F (-15.5°C). Kelly, Wyoming, records the coldest temperatures in December, averaging a high of 21°F (-6.1°C) and a low of 4.1°F (-15.5°C). Weather in December »
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Frequently asked questions

How much does it rain in Kelly?

Throughout the year, there are 116.8 rainfall days, and 27.95" (710mm) of precipitation is accumulated.

When does it snow in Kelly?

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

How much does it snow in Kelly?

Throughout the year, in Kelly, there are 130.7 snowfall days, and 137.48" (3492mm) of snow is accumulated.

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

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Kelly.

What is the most humid month in Kelly?

February is the most humid month, with an average relative humidity of 94%.

What is the rainiest month in Kelly?

The month with the most rainfall is February, when the rain falls for 3.9 days and typically aggregates up to 3.23" (82mm) of precipitation.

When does it snow the most in Kelly?

The month with the most snowfall in Kelly, Wyoming, is February, when snow falls for 19.9 days and typically aggregates up to 25.94" (659mm) of snow.

What is the month with the least sunshine in Kelly?

February has the least sunshine of the year in Kelly, Wyoming, with an average of 3.6h of sunshine.

When is Daylight Saving Time (DST) in Kelly?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Kelly, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

When are the longest days in Kelly?

The month with the longest days in Kelly is June, with an average of 15h and 24min of daylight.

What time of the year is the hottest in Kelly?

July is the month when Kelly experiences its warmest temperatures, averaging a high of 72°F (22.2°C) and a low of 43.9°F (6.6°C).

When it does not snow in Kelly?

In Kelly, Wyoming, snow does not fall in July and August.

What month has the most sunshine in Kelly?

With an average of 11.7h of sunshine, July has the most sunshine of the year.

What is the month with the highest UV index in Kelly?

With an average maximum UV index of 5, July is the month with the highest UV index.

What is the least humid month in Kelly?

The least humid month in Kelly, Wyoming, is August, with an average relative humidity of 50%.

What is the driest month in Kelly?

August is the month with the least rainfall. Rain falls for 12.8 days and accumulates 1.42" (36mm) of precipitation.

What is the coldest month in Kelly?

With an average high-temperature of 21°F (-6.1°C) and an average low-temperature of 4.1°F (-15.5°C), December is the coldest month in Kelly, Wyoming.

What is the month with the shortest days in Kelly?

The month with the shortest days in Kelly is December, with an average of 9h and 0min of daylight.

Average pressure
Kelly, WY

Average pressure - Kelly, WY

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Kelly, WY

Average wind speed - Kelly, WY

The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest months (with the lowest average wind speed) are January and December (4.5mph).

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Average rainfall
Kelly, WY

Average rainfall - Kelly, WY

The wettest month (with the highest rainfall) is February (3.23").
The driest month (with the least rainfall) is August (1.42").

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Average rainfall days
Kelly, WY

Average rainfall days - Kelly, WY

The month with the highest number of rainy days is May (16.2 days).
The months with the least rainy days are January and February (3.9 days).

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Average snowfall
Kelly, WY

Average snowfall - Kelly, WY

The month with the highest snowfall is February (25.94").
The months with the least snowfall are July and August (0").

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Average snowfall days
Kelly, WY

Average snowfall days - Kelly, WY

The month with the highest number of snowfall days is December (21.7 days).
The month with the least snowfall days is July (0 days).

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Average daylight / Average sunshine
Kelly, WY

Average daylight / Average sunshine - Kelly, WY

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).

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days
Kelly, WY

Average sunshine days - Kelly, WY

The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is April (7 days).

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Average UV index
Kelly, WY

Average UV index - Kelly, WY

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).

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Average visibility
Kelly, WY

Average visibility - Kelly, WY

The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January and February (2mi).

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Kelly, Wyoming, USA

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