Climate and monthly weather forecast
South Pass City, WY

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Weather in January

January, like December, is another subzero cold winter month in South Pass City, Wyoming, with temperature in the range of an average low of 13.5°F (-10.3°C) and an average high of 29.7°F (-1.3°C). Entering January, the average high-temperature is recorded at a still subzero cold 29.7°F (-1.3°C), exhibiting a minimal shift from December's 28.4°F (-2°C). Weather in January »

Weather in February

February, the last month of the winter in South Pass City, is another freezing cold month, with temperature in the range of an average low of 13.5°F (-10.3°C) and an average high of 29.7°F (-1.3°C). South Pass City in February displays an average high-temperature of a still freezing cold 29.7°F (-1.3°C), mirroring January. Weather in February »

Weather in March

March, the first month of the spring in South Pass City, is a cold month, with an average temperature fluctuating between 39.7°F (4.3°C) and 23.7°F (-4.6°C). South Pass City in March shows a temperature shift, moving from an average high of a subzero cold 29.7°F (-1.3°C) in February to an icy 39.7°F (4.3°C). Weather in March »

Weather in April

April in South Pass City, Wyoming, is a chilly spring month, with an average temperature ranging between max 47.8°F (8.8°C) and min 30°F (-1.1°C). The shift into April is accompanied by a modest temperature increase, with the average high-temperature edging up from an icy 39.7°F (4.3°C) in March to a chilly 47.8°F (8.8°C). Weather in April »

Weather in May

May, the last month of the spring in South Pass City, is a moderate month, with temperature in the range of an average high of 58.8°F (14.9°C) and an average low of 39°F (3.9°C). May marks a rise in the average high-temperature, moving from April's chilly 47.8°F (8.8°C) to a refreshing 58.8°F (14.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in South Pass City, Wyoming, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 49.6°F (9.8°C). The transition to June introduces an increase in the average high-temperature, shifting from a moderate 58.8°F (14.9°C) in May to a pleasant 73.2°F (22.9°C). Weather in June »

Weather in July

July is a moderately hot summer month in South Pass City, Wyoming, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 81.7°F (27.6°C). July, marked by an average high-temperature of 81.7°F (27.6°C) and a low-temperature of 56.8°F (13.8°C), is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in South Pass City, Wyoming, with an average temperature ranging between min 55.8°F (13.2°C) and max 79.5°F (26.4°C). As South Pass City welcomes August, the average high-temperature records at a still moderately hot 79.5°F (26.4°C), marking an insignificant deviation from the prior month. Weather in August »

Weather in September

September, the first month of the autumn in South Pass City, is still a pleasant month, with an average temperature varying between 48.6°F (9.2°C) and 70.5°F (21.4°C). A decrease in the average high-temperature is observed during September, shifting from a moderately hot 79.5°F (26.4°C) in August to a pleasant 70.5°F (21.4°C). Weather in September »

Weather in October

October, like September, in South Pass City, Wyoming, is a cool autumn month, with an average temperature fluctuating between 53.1°F (11.7°C) and 34.7°F (1.5°C). As South Pass City steps into October, the average high-temperature decreases significantly from the a pleasant 70.5°F (21.4°C) of September to a fresh 53.1°F (11.7°C). Weather in October »

Weather in November

November, the last month of the autumn in South Pass City, is also an icy month, with an average temperature ranging between max 40.1°F (4.5°C) and min 23.5°F (-4.7°C). November suggests a modest reduction in the average high-temperature, shifting from a cool 53.1°F (11.7°C) in October to an icy 40.1°F (4.5°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in South Pass City, Wyoming, with an average temperature varying between 28.4°F (-2°C) and 13.1°F (-10.5°C). December, known for its average high temperature of 28.4°F (-2°C) and an average low temperature of 13.1°F (-10.5°C), is the coldest month. Weather in December »
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Frequently asked questions

What is the driest month in South Pass City?

The month with the least rainfall is January, when the rain falls for 6.3 days and typically collects 0.43" (11mm) of precipitation.

How many days does it rain in South Pass City?

Throughout the year, in South Pass City, Wyoming, there are 92 rainfall days, and 10.2" (259mm) of precipitation is accumulated.

When does it snow in South Pass City?

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

How many days does it snow in South Pass City?

Throughout the year, there are 56.8 snowfall days, and 40.94" (1040mm) of snow is accumulated.

When is the lowest UV index in South Pass City?

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

What is the most humid month in South Pass City?

February is the most humid month, with an average relative humidity of 78%.

When is Daylight Saving Time (DST) in South Pass City?

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 in South Pass City?

April is the month with the most rainfall. Rain falls for 11.5 days and accumulates 1.81" (46mm) of precipitation.

When does it snow the most in South Pass City?

April is the month with the most snowfall. Snow falls for 7.3 days and accumulates 8.15" (207mm) of snow.

When it does not snow in South Pass City?

June through August are months without snowfall in South Pass City.

When are the longest days in South Pass City?

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

What month is the hottest in South Pass City?

July, marked by an average high-temperature of 81.7°F (27.6°C) and a low-temperature of 56.8°F (13.8°C), is the warmest month in South Pass City.

What month has the most sunshine in South Pass City?

July has the most sunshine of the year in South Pass City, Wyoming, with an average of 12h of sunshine.

When is the highest UV index in South Pass City?

July is the month with the highest UV index in South Pass City, Wyoming, with an average maximum UV index of 6.

What is the least humid month in South Pass City?

The least humid month in South Pass City, Wyoming, is August, with an average relative humidity of 34%.

What part of the year is the coldest in South Pass City?

The coldest month in South Pass City is December, with an average high-temperature of 28.4°F (-2°C) and an average low-temperature of 13.1°F (-10.5°C).

What is the month with the shortest days in South Pass City?

The month with the shortest days in South Pass City is December, with an average of 9h and 6min of daylight.

What is the month with the least sunshine in South Pass City?

December has the least sunshine of the year in South Pass City, with an average of 6.8h of sunshine.

Average temperature
South Pass City, WY

Average temperature - South Pass City, WY

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (28.4°F).

The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is December (13.1°F).

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Average pressure
South Pass City, WY

Average pressure - South Pass City, WY

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed
South Pass City, WY

Average wind speed - South Pass City, WY

The windiest month (with the highest average wind speed) is March (7.7mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity
South Pass City, WY

Average humidity - South Pass City, WY

The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is August (34%).

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Average rainfall
South Pass City, WY

Average rainfall - South Pass City, WY

The wettest month (with the highest rainfall) is April (1.81").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days
South Pass City, WY

Average rainfall days - South Pass City, WY

The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is November (4.8 days).

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Average snowfall
South Pass City, WY

Average snowfall - South Pass City, WY

The month with the highest snowfall is April (8.15").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
South Pass City, WY

Average snowfall days - South Pass City, WY

The month with the highest number of snowfall days is February (10.1 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
South Pass City, WY

Average daylight / Average sunshine - South Pass City, 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 6min).

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).

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Average sunshine days
South Pass City, WY

Average sunshine days - South Pass City, WY

The month with the most sunshine days is September (22 days).
The month with the least sunshine days is April (12.3 days).

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Average UV index
South Pass City, WY

Average UV index - South Pass City, 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).

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Average cloud cover
South Pass City, WY

Average cloud cover - South Pass City, WY

The months with the most cloud cover are February and April (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility
South Pass City, WY

Average visibility - South Pass City, WY

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

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South Pass City, Wyoming, USA

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