Climate and monthly weather forecast
Granger, WY

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Weather in January

January, like December, is a freezing cold winter month in Granger, Wyoming, with an average temperature fluctuating between 27.9°F (-2.3°C) and 12.2°F (-11°C). Granger greets January with an average high-temperature of a still freezing cold 27.9°F (-2.3°C), marking a slight deviation from the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Granger, Wyoming, with an average temperature varying between 28.8°F (-1.8°C) and 13.8°F (-10.1°C). The onset of February manifests an average high-temperature of a still freezing cold 28.8°F (-1.8°C), demonstrating a minor variation from the preceding month. Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Granger, Wyoming, with an average temperature ranging between min 22.8°F (-5.1°C) and max 37.2°F (2.9°C). March introduces a marginal temperature uplift, with average high-temperatures adjusting from February's subzero cold 28.8°F (-1.8°C) to an icy 37.2°F (2.9°C). Weather in March »

Weather in April

April is a chilly spring month in Granger, Wyoming, with an average temperature ranging between min 29.3°F (-1.5°C) and max 45.9°F (7.7°C). The arrival of April brings a soft temperature shift, with the average high-temperature nudging from a cold 37.2°F (2.9°C) in March to a frosty 45.9°F (7.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Granger, Wyoming, with an average temperature varying between 37.8°F (3.2°C) and 57°F (13.9°C). In Granger, the average high-temperature in May rises, from a chilly 45.9°F (7.7°C) in April, to a moderate 57°F (13.9°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Granger, Wyoming, with an average temperature varying between 47.5°F (8.6°C) and 70.9°F (21.6°C). The beginning of June signals a rise in the average high-temperature, moving from a moderate 57°F (13.9°C) in May to an agreeable 70.9°F (21.6°C). Weather in June »

Weather in July

July is a warm summer month in Granger, Wyoming, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 78.4°F (25.8°C). July is Granger's warmest month, registering average high temperatures of 78.4°F (25.8°C) and lows of 55.6°F (13.1°C). Weather in July »

Weather in August

August, the last month of the summer in Granger, is another warm month, with temperature in the range of an average low of 54.9°F (12.7°C) and an average high of 76.6°F (24.8°C). August brings an average high-temperature of a still warm 76.6°F (24.8°C), nearly identical to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Granger, is also an agreeable month, with an average temperature fluctuating between 47.8°F (8.8°C) and 68.5°F (20.3°C). The average high-temperature shows a slight dip in September, from August's warm 76.6°F (24.8°C) to a pleasant 68.5°F (20.3°C). Weather in September »

Weather in October

October, like September, in Granger, Wyoming, is another fresh autumn month, with temperature in the range of an average high of 52°F (11.1°C) and an average low of 34.5°F (1.4°C). The shift into October brings a noticeable decrease in the average high-temperature, falling from an agreeable 68.5°F (20.3°C) in September to a fresh 52°F (11.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Granger, is another cold month, with an average temperature fluctuating between 23.7°F (-4.6°C) and 39.4°F (4.1°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's cool 52°F (11.1°C) to a cold 39.4°F (4.1°C). Weather in November »

Weather in December

December, the first month of the winter in Granger, is still a freezing cold month, with an average temperature ranging between min 12.6°F (-10.8°C) and max 26.6°F (-3°C). December is the coldest month, exhibiting average temperatures of 26.6°F (-3°C) at the peak and 12.6°F (-10.8°C) at the base. Weather in December »

Frequently asked questions

What is the most humid month?

The months with the highest humidity are January and February, with an average relative humidity of 82%.

What is the driest month?

The months with the least rainfall are January and July Rain falls for 8.2 days and accumulates 0.63" (16mm) of rain.

How many days does it rain?

In Granger, during the entire year, the rain falls for 112.2 days and collects up to 11.57" (294mm) of precipitation.

When does it snow?

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

How much does it snow?

In Granger, during the entire year, snow falls for 85.7 days and aggregates up to 41.22" (1047mm) of snow.

When is the lowest UV index?

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

When does it snow the most?

The month with the most snowfall is March, when snow falls for 15.1 days and typically aggregates up to 8.78" (223mm) of snow.

When is Daylight Saving Time (DST)?

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 ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

What is the wettest month?

The month with the most rainfall is May, when the rain falls for 16.1 days and typically aggregates up to 2.01" (51mm) of precipitation.

When are the longest days?

June has the longest days of the year in Granger, with an average of 15h and 6min of daylight.

When is the highest UV index in Granger?

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

What are the warmest months?

The temperatures reach their highest averages in July, with highs of 78.4°F (25.8°C) and lows of 55.6°F (13.1°C).

What is the least humid month?

The months with the lowest humidity are July and August, with an average relative humidity of 36%.

When it does not snow?

July and August are months without snowfall.

What are the months with the most sunshine?

The months with the most sunshine in Granger are July and August, with an average of 11.9h of sunshine.

What are the coldest months?

During the coldest month in Granger, December, temperatures average a high of 26.6°F (-3°C) and a low of 12.6°F (-10.8°C).

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

What is the month with the least sunshine?

With an average of 6.2h of sunshine, December has the least sunshine of the year.

Average temperature
Granger, WY

Average temperature - Granger, WY

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is December (26.6°F).

The month with the highest average low temperature is July (55.6°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).

Average pressure
Granger, WY

Average pressure - Granger, WY

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed
Granger, WY

Average wind speed - Granger, WY

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).

Average humidity
Granger, WY

Average humidity - Granger, WY

The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are July and August (36%).

Average rainfall
Granger, WY

Average rainfall - Granger, WY

The wettest month (with the highest rainfall) is May (2.01").
The driest months (with the least rainfall) are January and July (0.63").

Average rainfall days
Granger, WY

Average rainfall days - Granger, WY

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is November (6 days).

Average snowfall
Granger, WY

Average snowfall - Granger, WY

The month with the highest snowfall is March (8.78").
The months with the least snowfall are July and August (0").

Average snowfall days
Granger, WY

Average snowfall days - Granger, WY

The month with the highest number of snowfall days is March (15.1 days).
The months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine
Granger, WY

Average daylight / Average sunshine - Granger, WY

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

Average sunshine days
Granger, WY

Average sunshine days - Granger, WY

The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is April (9.4 days).

Average UV index
Granger, WY

Average UV index - Granger, 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).

Average visibility
Granger, WY

Average visibility - Granger, WY

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

Granger, Wyoming, USA

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