December weather forecast and climate
Reno, NV

Big signage at the entrance into Reno, Nevada
Big signage at the entrance into Reno, Nevada

Weather in December

The first month of the winter, December, is also a wintry month in Reno, Nevada, with average temperature varying between 38.3°F (3.5°C) and 23.9°F (-4.5°C).

Temperature

With an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 23.9°F (-4.5°C), December is the coldest month.

Humidity

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

Rainfall

In Reno, Nevada, in December, during 8.9 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. Throughout the year, there are 78.7 rainfall days, and 9.29" (236mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Reno, snow falls for 7.6 days, with typically accumulated 4.8" (122mm) of snow. Throughout the year, there are 33.8 snowfall days, and 23.94" (608mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Reno, with an average of 9.4h of daylight.

Sunshine

December has the least sunshine of the year in Reno, with an average of 6.1h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Reno. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Reno?

The coldest month in Reno, Nevada, is December, with an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 23.9°F (-4.5°C).

What is the average humidity in December in Reno?

The average relative humidity in December in Reno, Nevada, is 72%.

How many days does it rain in December in Reno?

In December, the rain falls for 8.9 days. Throughout December, 1.34" (34mm) of precipitation is accumulated.

How much does it snow in Reno in December?

In December, in Reno, it is snowing for 7.6 days. Throughout December, 4.8" (122mm) of snow is accumulated.

What is the month with the shortest days in Reno?

December has the shortest days of the year, with an average of 9.4h of daylight.

What is the average length of the day in December in Reno?

The average length of the day in December in Reno, Nevada, is 9.4h.

What is the month with the least sunshine in Reno?

December has the least sunshine of the year in Reno, with an average of 6.1h of sunshine.

How long on average sun shines in December in Reno?

In Reno, the average sunshine in December is 6.1h.

When is the lowest UV index in Reno?

Months with the lowest UV index in Reno, Nevada, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Reno?

The average daily maximum UV index in December in Reno is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to the UV radiation.

Average temperature in December
Reno, NV

Average temperature in December - Reno, NV
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (38.3°F).

  • Average low temperature in December: 23.9°F

The month with the highest average low temperature is July (56.3°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

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Average pressure in December
Reno, NV

Average pressure in December - Reno, NV
  • Average pressure in December: 30.16"

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in December
Reno, NV

Average wind speed in December - Reno, NV
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (5mph).

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Average humidity in December
Reno, NV

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

The month with the highest relative humidity is January (73%).
Months with the lowest relative humidity are July and August (28%).

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Average rainfall in December
Reno, NV

Average rainfall in December - Reno, NV
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is March (1.42").
The driest month (with the least rainfall) is August (0.16").

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Average rainfall days in December
Reno, NV

Average rainfall days in December - Reno, NV
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is March (11.6 days).
The month with the least rainy days is August (2.8 days).

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Average snowfall in December
Reno, NV

Average snowfall in December - Reno, NV
  • Average snowfall in December: 4.8"

The month with the highest snowfall is March (6.1").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Reno, NV

Average snowfall days in December - Reno, NV
  • Average snowfall days in December: 7.6 days

The month with the highest number of snowfall days is December (7.6 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Reno, NV
  • Average daylight in December: 9.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in December: 6.1h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.1h).

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Average sunshine days in December
Reno, NV

Average sunshine days in December - Reno, NV
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is October (26.3 days).
The month with the least sunshine days is March (15.7 days).

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Average UV index in December
Reno, NV

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

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Reno, NV

Average cloud cover in December - Reno, NV
  • Average cloud cover in December: 34

The month with the most cloud cover is December (Cloud cover 34).
Months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in December
Reno, NV

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

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

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