Climate and monthly weather forecast
Kirby, WY

Share

Weather in January

January, like December, is a freezing cold winter month in Kirby, Wyoming, with an average temperature ranging between min 12.6°F (-10.8°C) and max 28.9°F (-1.7°C). As January takes hold, the average high-temperature is a still freezing cold 28.9°F (-1.7°C), nearly mirroring that of the previous month. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Kirby, Wyoming, with an average temperature ranging between min 13.1°F (-10.5°C) and max 29.8°F (-1.2°C). Kirby's average high-temperature in February is a still freezing cold 29.8°F (-1.2°C), marking an insignificant difference from the 28.9°F (-1.7°C) of January. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Kirby, Wyoming, with an average temperature ranging between min 27°F (-2.8°C) and max 44.1°F (6.7°C). The transition to March introduces an increase in the average high-temperature, shifting from a freezing cold 29.8°F (-1.2°C) in February to a frosty 44.1°F (6.7°C). Weather in March »

Weather in April

April is a cool spring month in Kirby, Wyoming, with an average temperature varying between 33.8°F (1°C) and 52.9°F (11.6°C). The arrival of April introduces a minor uplift in high-temperatures, adjusting from a frosty 44.1°F (6.7°C) in March to a cool 52.9°F (11.6°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Kirby, Wyoming, with an average temperature varying between 43.3°F (6.3°C) and 63.5°F (17.5°C). The average high-temperature increases in May, moving from a fresh 52.9°F (11.6°C) in April to a refreshing 63.5°F (17.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Kirby, Wyoming, with an average temperature fluctuating between 54.1°F (12.3°C) and 76.5°F (24.7°C). June's onset witnesses a shift in the average high-temperature, moving from a refreshing 63.5°F (17.5°C) in May to a moderately hot 76.5°F (24.7°C). Weather in June »

Weather in July

July, like June, in Kirby, Wyoming, is a moderately hot summer month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 84.9°F (29.4°C). Kirby's July weather, with an average high temperature of 84.9°F (29.4°C) and an average low temperature of 61.3°F (16.3°C), tends to be the warmest of the year. Weather in July »

Weather in August

August, the last month of the summer in Kirby, is another warm month, with an average temperature varying between 81.9°F (27.7°C) and 60.3°F (15.7°C). The transition from July to August sees an average high-temperature of a still warm 81.9°F (27.7°C), indicating a minor variance from the prior month. Weather in August »

Weather in September

September, the first month of the autumn in Kirby, is still a pleasant month, with an average temperature varying between 52°F (11.1°C) and 73°F (22.8°C). As September arrives, Kirby's weather displays a minor decrease in high-temperatures, transitioning from August's warm 81.9°F (27.7°C) to an agreeable 73°F (22.8°C). Weather in September »

Weather in October

October, like September, in Kirby, Wyoming, is another fresh autumn month, with an average temperature fluctuating between 54.9°F (12.7°C) and 37°F (2.8°C). A clear reduction in the average high-temperature is witnessed with the onset of October, reducing from an agreeable 73°F (22.8°C) in September to a cool 54.9°F (12.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Kirby, Wyoming, with an average temperature fluctuating between 41.2°F (5.1°C) and 24.6°F (-4.1°C). Kirby's progression into November involves a drop in the average high-temperature, receding from a cool 54.9°F (12.7°C) in October to a cold 41.2°F (5.1°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Kirby, Wyoming, with an average temperature fluctuating between 12.9°F (-10.6°C) and 28.2°F (-2.1°C). December tends to be the coldest month, with temperatures averaging a daily high of 28.2°F (-2.1°C) and a low of 12.9°F (-10.6°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month in Kirby?

The most humid month in Kirby, Wyoming, is January, with an average relative humidity of 81%.

What is the driest month in Kirby?

January is the month with the least rainfall in Kirby. Rain falls for 4.3 days and accumulates 0.43" (11mm) of precipitation.

How much does it rain in Kirby?

Throughout the year, in Kirby, Wyoming, there are 117.2 rainfall days, and 11.14" (283mm) of precipitation is accumulated.

When does it snow in Kirby?

Months with snowfall in Kirby are January through May, September through December.

How many days does it snow in Kirby?

In Kirby, during the entire year, snow falls for 51.2 days and aggregates up to 21.3" (541mm) of snow.

When is the lowest UV index in Kirby?

January through April, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Kirby, Wyoming.

What is the snowiest month in Kirby?

February is the month with the most snowfall in Kirby, Wyoming. Snow falls for 11.1 days and accumulates 4.57" (116mm) of snow.

What is the month with the least sunshine in Kirby?

With an average of 6.2h of sunshine, February has the least sunshine of the year in Kirby, Wyoming.

When is Daylight Saving Time (DST) in Kirby?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Kirby, 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 rainiest month in Kirby?

May is the month with the most rainfall in Kirby. Rain falls for 17 days and accumulates 1.93" (49mm) of precipitation.

When it does not snow in Kirby?

In Kirby, snow does not fall in June through August.

When are the longest days in Kirby?

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

What part of the year is the hottest in Kirby?

With average high temperatures of 84.9°F (29.4°C) and lows of 61.3°F (16.3°C), July is the warmest month.

What is the least humid month in Kirby?

The months with the lowest humidity are July and August, with an average relative humidity of 35%.

What month has the most sunshine in Kirby?

July has the most sunshine of the year, with an average of 11.9h of sunshine.

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

With an average maximum UV index of 6, July is the month with the highest UV index.

What is the coldest month in Kirby?

December is the month when Kirby sees the average lowest temperatures, with a high of 28.2°F (-2.1°C) and a low of 12.9°F (-10.6°C).

What is the month with the shortest days in Kirby?

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

Average temperature
Kirby, WY

Average temperature - Kirby, WY

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is December (28.2°F).

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure
Kirby, WY

Average pressure - Kirby, WY

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed
Kirby, WY

Average wind speed - Kirby, WY

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5mph).

Average humidity
Kirby, WY

Average humidity - Kirby, WY

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (35%).

Average rainfall
Kirby, WY

Average rainfall - Kirby, WY

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.43").

Average rainfall days
Kirby, WY

Average rainfall days - Kirby, WY

The month with the highest number of rainy days is May (17 days).
The months with the least rainy days are January and December (4.3 days).

Average snowfall
Kirby, WY

Average snowfall - Kirby, WY

The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Kirby, WY

Average snowfall days - Kirby, WY

The month with the highest number of snowfall days is February (11.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Kirby, WY

Average daylight / Average sunshine - Kirby, 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 54min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

Average sunshine days
Kirby, WY

Average sunshine days - Kirby, WY

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (10.1 days).

Average UV index
Kirby, WY

Average UV index - Kirby, WY

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).

Average visibility
Kirby, WY

Average visibility - Kirby, WY

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

Kirby, Wyoming, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location