December weather forecast
Winnemucca, NV

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Weather in December

The year ends on a chilly note as December brings December winter to Winnemucca. With an average high of 36.5°F (2.5°C) and an average low of 24.4°F (-4.2°C), the month experiences significant snowfall of 5.16" (131mm), typically over 8.8 days, the highest throughout the year. The shrinking daylight hours and the increase in cloud cover contribute to the cold December weather. The constant wind flow often creates intensely cold conditions, particularly during windy nights.

Temperature

The lowest temperatures are recorded in December, with averages reaching a high of 36.5°F (2.5°C) and a low of 24.4°F (-4.2°C).

Humidity

In Winnemucca, the average relative humidity in December is 72%.

Rainfall

The months with the most rainfall are March and December, with an average 1.1" (28mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. December is the month with the most snowfall. Snow falls for 8.8 days and accumulates 5.16" (131mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:57 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:33 pm PST.

Sunshine

The average sunshine in December is 6.1h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Aug 18, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

Winnemucca's coldest weather arrives in December, when temperatures average a high of 36.5°F (2.5°C) and a low of 24.4°F (-4.2°C).

How cold is December?

The average high-temperature, in December, in Winnemucca, is 36.5°F (2.5°C), while the average low-temperature is 24.4°F (-4.2°C).

What is the average humidity in December?

In December, the average relative humidity in Winnemucca is 72%.

What is the rainiest month?

The wettest months are March and December, with an average 1.1" (28mm) of rainfall.

How many days does it rain in December?

In Winnemucca, during December, the rain falls for 7.8 days and regularly aggregates up to 1.1" (28mm) of precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 8.8 days and accumulates 5.16" (131mm) of snow.

How much does it snow in December?

In Winnemucca, in December, during 8.8 snowfall days, 5.16" (131mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 18min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 9h and 17min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:57 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 4:33 pm PST.

How many hours of sunshine does Winnemucca have in December?

In December, the average sunshine duration is 6.1h.

When is the lowest UV index?

The months with the lowest UV index in Winnemucca are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Winnemucca?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Winnemucca, NV

Average temperature in December - Winnemucca, NV
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).

Average pressure in December
Winnemucca, NV

Average pressure in December - Winnemucca, NV
  • Average pressure in December: 30.2"Hg

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

Average wind speed in December
Winnemucca, NV

Average wind speed in December - Winnemucca, NV
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is January (5.3mph).

Average humidity in December
Winnemucca, NV

Average humidity in December - Winnemucca, NV
  • Average humidity in December: 72%

The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is July (21%).

Average rainfall in December
Winnemucca, NV

Average rainfall in December - Winnemucca, NV
  • Average rainfall in December: 1.1"

The wettest months (with the highest rainfall) are March and December (1.1").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in December
Winnemucca, NV

Average rainfall days in December - Winnemucca, NV
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is March (11.1 days).
The months with the least rainy days are July and August (3.3 days).

Average snowfall in December
Winnemucca, NV

Average snowfall in December - Winnemucca, NV
  • Average snowfall in December: 5.16"

The month with the highest snowfall is December (5.16").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Winnemucca, NV

Average snowfall days in December - Winnemucca, NV
  • Average snowfall days in December: 8.8 days

The month with the highest number of snowfall days is December (8.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Winnemucca, NV

Average daylight in December / Average sunshine in December - Winnemucca, NV
  • Average daylight in December: 9h and 2min

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 December: 6h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

Average sunshine days in December
Winnemucca, NV

Average sunshine days in December - Winnemucca, NV
  • Average sunshine days in December: 18.7 days

The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (16.1 days).

Average UV index in December
Winnemucca, NV

Average UV index in December - Winnemucca, NV
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Winnemucca, NV

Average cloud cover in December - Winnemucca, NV
  • Average cloud cover in December: 36

The months with the most cloud cover are January and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 8).

Average visibility in December
Winnemucca, NV

Average visibility in December - Winnemucca, NV
  • Average visibility in December: 6mi

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).

Winnemucca, Nevada, USA

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