Climate and monthly weather forecast
Reliance, WY

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Weather in January

January, the same as December, in Reliance, Wyoming, is another subzero cold winter month, with an average temperature ranging between max 26.6°F (-3°C) and min 10.8°F (-11.8°C). Reliance records an average high-temperature of a still freezing cold 26.6°F (-3°C) as January arrives, nearly mirroring the previous month's climate. Weather in January »

Weather in February

February, the last month of the winter in Reliance, is another freezing cold month, with an average temperature varying between 13.5°F (-10.3°C) and 28.8°F (-1.8°C). The advent of February brings an average high-temperature of a still freezing cold 28.8°F (-1.8°C), exhibiting minor difference from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a cold month in Reliance, Wyoming, with an average temperature ranging between min 24.3°F (-4.3°C) and max 39.7°F (4.3°C). Reliance sees an increase in the average high-temperature with the arrival of March, moving from February's freezing cold 28.8°F (-1.8°C) to a wintry 39.7°F (4.3°C). Weather in March »

Weather in April

April is a chilly spring month in Reliance, Wyoming, with an average temperature varying between 48.7°F (9.3°C) and 31.5°F (-0.3°C). As Reliance transitions into April, the average high-temperature is observed to rise from a cold 39.7°F (4.3°C) in March to a frosty 48.7°F (9.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Reliance, Wyoming, with temperature in the range of an average low of 41.4°F (5.2°C) and an average high of 60.3°F (15.7°C). In Reliance, the average high-temperature in May rises, from a chilly 48.7°F (9.3°C) in April, to a refreshing 60.3°F (15.7°C). Weather in May »

Weather in June

June, the first month of the summer in Reliance, is a moderately hot month, with an average temperature varying between 52°F (11.1°C) and 73.9°F (23.3°C). Noticing a change, the average high-temperature during June moves from May's moderate 60.3°F (15.7°C) to a moderately hot 73.9°F (23.3°C). Weather in June »

Weather in July

July, like June, in Reliance, Wyoming, is a moderately hot summer month, with temperature in the range of an average low of 60.4°F (15.8°C) and an average high of 81.5°F (27.5°C). July, with its high-temperature average of 81.5°F (27.5°C) and a low-temperature average of 60.4°F (15.8°C), is the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Reliance, is another warm month, with an average temperature ranging between max 79.3°F (26.3°C) and min 58.6°F (14.8°C). August welcomes an average high-temperature of a still warm 79.3°F (26.3°C), not much different from the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Reliance, is also an agreeable month, with an average temperature ranging between max 70.3°F (21.3°C) and min 51.3°F (10.7°C). September is characterized by a reduction in the average high-temperature, from a warm 79.3°F (26.3°C) in August to a pleasant 70.3°F (21.3°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Reliance, Wyoming, with temperature in the range of an average low of 36°F (2.2°C) and an average high of 52.5°F (11.4°C). As Reliance transitions into October, a noticeable drop in the average high-temperature is observed, falling from a pleasant 70.3°F (21.3°C) in September to a cool 52.5°F (11.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Reliance, is another cold month, with an average temperature fluctuating between 23.9°F (-4.5°C) and 38.7°F (3.7°C). With the beginning of November, the average high-temperature shows a decrease, transitioning from a cool 52.5°F (11.4°C) in October to an icy 38.7°F (3.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Reliance, Wyoming, with an average temperature fluctuating between 11.5°F (-11.4°C) and 25.7°F (-3.5°C). Reliance's coldest month, December, registers temperatures that range from a high of 25.7°F (-3.5°C) to a low of 11.5°F (-11.4°C). Weather in December »
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the most humid month?

January is the most humid month, with an average relative humidity of 84%.

How many days does it rain?

Throughout the year, there are 93.5 rainfall days, and 10.31" (262mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow?

Throughout the year, there are 75.5 snowfall days, and 30.16" (766mm) of snow is accumulated.

What is the month with the least sunshine?

The months with the least sunshine are January and December, with an average of 5.9h of sunshine.

What is the month with 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?

March is the month with the most snowfall. Snow falls for 13 days and accumulates 6.14" (156mm) 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?

May is the month with the most rainfall. Rain falls for 13.8 days and accumulates 1.5" (38mm) of precipitation.

When are the longest days?

June has the longest days of the year, with an average of 15h and 12min of daylight.

What is the warmest month?

Temperature records mark July as the warmest month, with highs averaging 81.5°F (27.5°C) and lows at 60.4°F (15.8°C).

What is the least humid month?

July and August, with an average relative humidity of 31%, are the least humid months.

What is the driest month in Reliance?

July is the month with the least rainfall. Rain falls for 7.8 days and accumulates 0.47" (12mm) of precipitation.

When it does not snow?

July and August are months without snowfall.

What are the months with the most sunshine?

July and August, with an average of 11.8h of sunshine, are months with the most sunshine.

When is the highest UV index?

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

What are the coldest months?

Reliance's December weather, with an average high temperature of 25.7°F (-3.5°C) and an average low temperature of 11.5°F (-11.4°C), tends to be the coldest of the year.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

Average temperature
Reliance, WY

Average temperature - Reliance, WY

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is December (25.7°F).

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure
Reliance, WY

Average pressure - Reliance, WY

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed
Reliance, WY

Average wind speed - Reliance, WY

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.7mph).

Average humidity
Reliance, WY

Average humidity - Reliance, WY

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are July and August (31%).

Average rainfall
Reliance, WY

Average rainfall - Reliance, WY

The wettest month (with the highest rainfall) is May (1.5").
The driest month (with the least rainfall) is July (0.47").

Average rainfall days
Reliance, WY

Average rainfall days - Reliance, WY

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is December (4.7 days).

Average snowfall
Reliance, WY

Average snowfall - Reliance, WY

The month with the highest snowfall is March (6.14").
The months with the least snowfall are July and August (0").

Average snowfall days
Reliance, WY

Average snowfall days - Reliance, WY

The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine
Reliance, WY

Average daylight / Average sunshine - Reliance, WY

The month with the longest days is June (Average daylight: 15h and 12min).
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 48min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).

Average sunshine days
Reliance, WY

Average sunshine days - Reliance, WY

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is April (11.5 days).

Average UV index
Reliance, WY

Average UV index - Reliance, 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, October, November and December (UV index 2).

Average visibility
Reliance, WY

Average visibility - Reliance, WY

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

Reliance, Wyoming, USA

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