Climate and monthly weather forecast
Grover, WY

Weather in January

January, like December, is a freezing cold winter month in Grover, Wyoming, with an average temperature varying between 25.5°F (-3.6°C) and 5.4°F (-14.8°C). In January, the average high-temperature is almost the same as in December - a still subzero cold 25.5°F (-3.6°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Grover, Wyoming, with an average temperature ranging between max 26.1°F (-3.3°C) and min 7.7°F (-13.5°C). In Grover, the average high-temperature in February is almost the same as in January - a still freezing cold 26.1°F (-3.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Grover, Wyoming, with an average temperature varying between 32.7°F (0.4°C) and 15.1°F (-9.4°C). In March, the average high-temperature slightly increases from a subzero cold 26.1°F (-3.3°C) in February to a wintry 32.7°F (0.4°C). Weather in March »

Weather in April

April, the same as March, is a wintry spring month in Grover, Wyoming, with an average temperature ranging between min 20.8°F (-6.2°C) and max 40.6°F (4.8°C). In April, the average high-temperature marginally rises from 32.7°F (0.4°C) in March to a still cold 40.6°F (4.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a cool month in Grover, Wyoming, with an average temperature varying between 53.8°F (12.1°C) and 30.7°F (-0.7°C). In Grover, Wyoming, the average high-temperature in May increases from a cold 40.6°F (4.8°C) in April to a fresh 53.8°F (12.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a comfortable month in Grover, Wyoming, with an average temperature ranging between min 37.8°F (3.2°C) and max 66°F (18.9°C). In Grover, the average high-temperature in June increases from a fresh 53.8°F (12.1°C) in May to an enjoyable 66°F (18.9°C). Weather in June »

Weather in July

July is a warm summer month in Grover, Wyoming, with temperature in the range of an average high of 75.9°F (24.4°C) and an average low of 45.7°F (7.6°C). With an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 45.7°F (7.6°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Grover, Wyoming, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 45.3°F (7.4°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 74.8°F (23.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Grover, is also an enjoyable month, with temperature in the range of an average high of 65.7°F (18.7°C) and an average low of 39.7°F (4.3°C). In Grover, the average high-temperature in September drops from a moderately hot 74.8°F (23.8°C) in August to a comfortable 65.7°F (18.7°C). Weather in September »

Weather in October

October, like September, is another chilly autumn month in Grover, Wyoming, with an average temperature fluctuating between 27.7°F (-2.4°C) and 47.8°F (8.8°C). In October, the average high-temperature declines considerably from an enjoyable 65.7°F (18.7°C) in September to a chilly 47.8°F (8.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Grover, Wyoming, with an average temperature ranging between min 16.9°F (-8.4°C) and max 34.7°F (1.5°C). In Grover, the average high-temperature in November drops from a chilly 47.8°F (8.8°C) in October to a wintry 34.7°F (1.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Grover, Wyoming, with an average temperature varying between 6.6°F (-14.1°C) and 24.1°F (-4.4°C). December is the coldest month, with an average high-temperature of 24.1°F (-4.4°C) and an average low-temperature of 6.6°F (-14.1°C). Weather in December »
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FAQ

How many days does it rain in Grover?

Throughout the year, in Grover, Wyoming, there are 109.5 rainfall days, and 21.61" (549mm) of precipitation is accumulated.

When does it snow in Grover?

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

How much does it snow in Grover?

In Grover, during the entire year, snow falls for 126.9 days and aggregates up to 106.65" (2709mm) of snow.

What is the month with the lowest UV index in Grover?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.

What is the most humid month in Grover?

With an average relative humidity of 93%, February is the most humid month.

What is the wettest month in Grover?

The month with the most rainfall in Grover is February, when the rain falls for 5.9 days and typically aggregates up to 2.72" (69mm) of precipitation.

When does it snow the most in Grover?

The month with the most snowfall in Grover is February, when snow falls for 21.4 days and typically aggregates up to 19.96" (507mm) of snow.

What is the month with the least sunshine in Grover?

With an average of 4.2h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST) in Grover?

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

When are the longest days in Grover?

The month with the longest days is June, with an average of 15h and 17min of daylight.

What is the warmest month in Grover?

The warmest month is July, with an average high-temperature of 75.9°F (24.4°C) and an average low-temperature of 45.7°F (7.6°C).

What is the driest month in Grover?

July and August are months with the least rain in Grover when the rain falls for 7.6 days and typically aggregates up to 0.63" (16mm) of rain.

When it does not snow in Grover?

July and August are months without snowfall.

What month has the most sunshine in Grover?

The month with the most sunshine in Grover is July, with an average of 11.9h of sunshine.

When is the highest UV index in Grover?

July is the month with the highest UV index in Grover, Wyoming, with an average maximum UV index of 5.

What is the least humid month in Grover?

With an average relative humidity of 45%, August is the least humid month in Grover.

What is the coldest month in Grover?

The coldest month in Grover is December, with an average high-temperature of 24.1°F (-4.4°C) and an average low-temperature of 6.6°F (-14.1°C).

What is the month with the shortest days in Grover?

December has the shortest days of the year in Grover, Wyoming, with an average of 9h and 5min of daylight.

Average temperature
Grover, WY

Average temperature - Grover, WY

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is December (24.1°F).

The month with the highest average low temperature is July (45.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

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Average pressure
Grover, WY

Average pressure - Grover, WY

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Grover, WY

Average wind speed - Grover, WY

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).

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Average rainfall
Grover, WY

Average rainfall - Grover, WY

The wettest month (with the highest rainfall) is February (2.72").
The driest months (with the least rainfall) are July and August (0.63").

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Average rainfall days
Grover, WY

Average rainfall days - Grover, WY

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.7 days).

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Average snowfall
Grover, WY

Average snowfall - Grover, WY

The month with the highest snowfall is February (19.96").
The months with the least snowfall are July and August (0").

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Average snowfall days
Grover, WY

Average snowfall days - Grover, WY

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

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Average daylight / Average sunshine
Grover, WY

Average daylight / Average sunshine - Grover, WY

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).

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days
Grover, WY

Average sunshine days - Grover, WY

The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is April (7 days).

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Average UV index
Grover, WY

Average UV index - Grover, WY

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

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Average visibility
Grover, WY

Average visibility - Grover, WY

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).

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