Monthly weather forecast and climate
Gillette, WY

January, the same as December, in Gillette, Wyoming, is another subzero cold winter month, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 10°F (-12.2°C). With an average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 10°F (-12.2°C), January is the coldest month. Weather in January »
The last month of the winter, February, is a cold month in Gillette, Wyoming, with average temperature varying between 36.7°F (2.6°C) and 14.7°F (-9.6°C). In February, the average high-temperature is 36.7°F (2.6°C), and the average low-temperature is 14.7°F (-9.6°C). Weather in February »

The first month of the spring, March, is a chilly month in Gillette, Wyoming, with average temperature ranging between min. 21.6°F (-5.8°C) and max. 45.1°F (7.3°C). The average high-temperature, in March, is 45.1°F (7.3°C), while the average low-temperature is 21.6°F (-5.8°C). Weather in March »

April in Gillette, Wyoming, is a fresh spring month, with average temperature fluctuating between 29.1°F (-1.6°C) and 54.7°F (12.6°C). In Gillette, in April, the average high-temperature is 54.7°F (12.6°C), and the average low-temperature is 29.1°F (-1.6°C). Weather in April »

May, the last month of the spring, in Gillette, is a comfortable month, with temperature in the range of an average high of 64.6°F (18.1°C) and an average low of 38.5°F (3.6°C). In Gillette, Wyoming, the average high-temperature is 64.6°F (18.1°C), and the average low-temperature is 38.5°F (3.6°C). Weather in May »

The first month of the summer, June, is a warm month in Gillette, Wyoming, with average temperature ranging between min. 47.7°F (8.7°C) and max. 75.9°F (24.4°C). The average high-temperature, is 75.9°F (24.4°C), while the average low-temperature is 47.7°F (8.7°C). Weather in June »

July, the same as June, is another warm summer month in Gillette, Wyoming, with average temperature ranging between min. 54.1°F (12.3°C) and max. 84.6°F (29.2°C). July is the warmest month, with an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 54.1°F (12.3°C). Weather in July »

The last month of the summer, August, is also a warm month in Gillette, Wyoming, with average temperature varying between 83.5°F (28.6°C) and 53.2°F (11.8°C). In Gillette, Wyoming, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 53.2°F (11.8°C). Weather in August »

The first month of the autumn, September, is still a pleasant month in Gillette, Wyoming, with average temperature fluctuating between 71.8°F (22.1°C) and 43.2°F (6.2°C). The average high-temperature, is 71.8°F (22.1°C), while the average low-temperature is 43.2°F (6.2°C). Weather in September »

October, the same as September, in Gillette, Wyoming, is a mild autumn month, with average temperature varying between 58.6°F (14.8°C) and 32.4°F (0.2°C). In October, the average high-temperature is 58.6°F (14.8°C), and the average low-temperature is 32.4°F (0.2°C). Weather in October »

The last month of the autumn, November, is also a cold month in Gillette, Wyoming, with temperature in the range of an average high of 42.1°F (5.6°C) and an average low of 20.3°F (-6.5°C). In Gillette, the average high-temperature is 42.1°F (5.6°C), and the average low-temperature is 20.3°F (-6.5°C). Weather in November »

December, the first month of the winter, in Gillette, is still a cold month, with average temperature varying between 32.9°F (0.5°C) and 12°F (-11.1°C). In Gillette, Wyoming, in December, the average high-temperature is 32.9°F (0.5°C), and the average low-temperature is 12°F (-11.1°C). Weather in December »

What is the coldest month in Gillette?

January is the coldest month, with an average high-temperature of 30.9°F (-0.6°C) and an average low-temperature of 10°F (-12.2°C).

How much does it rain in Gillette?

During the entire year, Gillette aggregates up to 17.1" (435.3mm) of precipitation.

What is the driest month in Gillette?

The month with the least rainfall is February when 0.5" (13.7mm) of precipitation is typically aggregated.

What is the rainiest month in Gillette?

May is the month with the most rainfall in Gillette, Wyoming, with 2.9" (74.9mm) of accumulated precipitation.

When are the longest days in Gillette?

With an average of 15.5h of daylight, June has the longest days of the year.

What is the warmest month in Gillette?

July is the warmest month, with an average high-temperature of 84.6°F (29.2°C) and an average low-temperature of 54.1°F (12.3°C).

What is the month with the shortest days in Gillette?

December has the shortest days of the year in Gillette, with an average of 8.9h of daylight.
Average temperature - Gillette, WY
Average rainfall - Gillette, WY
Average daylight - Gillette, WY
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