January weather forecastMcKinnon, WY

January

Weather in January

January, the same as December, in McKinnon, Wyoming, is another subzero cold winter month, with an average temperature fluctuating between 28.4°F (-2°C) and 12.4°F (-10.9°C).

Temperature

Transitioning from December to January, McKinnon observes an average high-temperature of a still subzero cold 28.4°F (-2°C), differing subtly from the previous month. An average low-temperature of 12.4°F (-10.9°C) is observed during the January nights.

Humidity

The average relative humidity in January is 77%.

Rainfall

January is the month with the least rainfall in McKinnon. Rain falls for 4.7 days and accumulates 0.67" (17mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in McKinnon. In January, it is snowing for 10.8 days. Throughout January, 5.04" (128mm) of snow is accumulated. In McKinnon, during the entire year, snow falls for 84.4 days and aggregates up to 56.22" (1428mm) of snow.

Daylight

The average length of the day in January in McKinnon, Wyoming, is 9h and 38min.
On the first day of the month, sunrise is at 7:44 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:31 am and sunset at 5:34 pm MST.

Sunshine

The months with the least sunshine are January and December, with an average of 6.4h of sunshine.

UV index

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 2 in January transforms into this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

McKinnon in January has an average high-temperature of 28.4°F (-2°C) and an average low-temperature of 12.4°F (-10.9°C).

In January, the average relative humidity is 77%.

January is the month with the least rainfall in McKinnon. Rain falls for 4.7 days and accumulates 0.67" (17mm) of precipitation.

In McKinnon, during January, the rain falls for 4.7 days and regularly aggregates up to 0.67" (17mm) of precipitation.

In January, it is snowing for 10.8 days. Throughout January, 5.04" (128mm) of snow is accumulated.

In January, the average day length is 9h and 38min.

On the first day of January, sunrise is at 7:44 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:34 pm MST.

The months with the least sunshine in McKinnon, Wyoming, are January and December, with an average of 6.4h of sunshine.

The average sunshine duration in January in McKinnon, Wyoming, is 6.4h.

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

The average daily maximum UV index in January in McKinnon is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
McKinnon, WY

  • Average high temperature in January: 28.4°F

The warmest month (with the highest average high temperature) is July (75°F).
The month with the lowest average high temperature is December (27°F).

  • Average low temperature in January: 12.4°F

The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is December (12.2°F).

Average pressure in January
McKinnon, WY

  • Average pressure in January: 30.28"Hg

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 in January
McKinnon, WY

  • Average wind speed in January: 8.3mph

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in January
McKinnon, WY

  • Average humidity in January: 77%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are July and August (40%).

Average rainfall in January
McKinnon, WY

  • Average rainfall in January: 0.67"

The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in January
McKinnon, WY

  • Average rainfall days in January: 4.7 days

The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is November (3 days).

Average snowfall in January
McKinnon, WY

  • Average snowfall in January: 5.04"

The month with the highest snowfall is March (9.57").
The months with the least snowfall are July and August (0").

Average snowfall days in January
McKinnon, WY

  • Average snowfall days in January: 10.8 days

The month with the highest number of snowfall days is February (13.7 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in January /
Average sunshine in January
McKinnon, WY

  • Average daylight in January: 9h and 36min

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 18min).

  • Average sunshine in January: 6h and 24min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).

Average sunshine days in January
McKinnon, WY

  • Average sunshine days in January: 19.5 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in January
McKinnon, WY

  • Average UV index in January: 2

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 cloud cover in January
McKinnon, WY

  • Average cloud cover in January: 29

The month with the most cloud cover is February (Cloud cover 36).
The month with the least cloud cover is September (Cloud cover 15).

Average visibility in January
McKinnon, WY

  • Average visibility in January: 6mi

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