December weather forecast and climate
Klamath, CA

Weather in December

December, the first month of the winter, in Klamath, is still a cool month, with average temperature fluctuating between 51.3°F (10.7°C) and 43.7°F (6.5°C).

Temperature

With an average high-temperature of 51.3°F (10.7°C) and an average low-temperature of 43.7°F (6.5°C), December is the coldest month.

Humidity

In Klamath, the average relative humidity is 78%.

Rainfall

December is the month with the most rainfall. Rain falls for 17.5 days and accumulates 8.15" (207mm) of precipitation.

Snowfall

In Klamath snow does not fall in January, March through August, October through December.

Daylight

December has the shortest days of the year in Klamath, California, with an average of 9.2h of daylight.

Sunshine

In December, the average sunshine is 5.1h.

UV index

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Klamath?

December is the coldest month in Klamath, with an average high-temperature of 51.3°F (10.7°C) and an average low-temperature of 43.7°F (6.5°C).

What is the temperature in December in Klamath?

In December, in Klamath, California, the average high-temperature is 51.3°F (10.7°C), and the average low-temperature is 43.7°F (6.5°C).

What is the average humidity in December in Klamath?

The average relative humidity in December in Klamath, California, is 78%.

How many days does it rain in December in Klamath?

In Klamath, during December, the rain falls for 17.5 days and regularly aggregates up to 8.15" (207mm) of precipitation.

What is the rainiest month in Klamath?

December is the month with the most rainfall. Rain falls for 17.5 days and accumulates 8.15" (207mm) of precipitation.

When it does not snow in Klamath?

In Klamath, California, snow does not fall in January, March through August, October through December.

What is the month with the shortest days in Klamath?

The month with the shortest days in Klamath is December, with an average of 9.2h of daylight.

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

In December, the average length of the day in Klamath is 9.2h.

How many hours of sunshine does Klamath have in December?

In Klamath, California, the average sunshine in December is 5.1h.

What is the UV index reading in December in Klamath?

In December, the average daily maximum UV index in Klamath is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in December
Klamath, CA

Average temperature in December - Klamath, CA
  • Average high temperature in December: 51.3°F

The warmest month (with the highest average high temperature) is August (68°F).
The month with the lowest average high temperature is December (51.3°F).

  • Average low temperature in December: 43.7°F

Months with the highest average low temperature are July and August (54.1°F).
The coldest month (with the lowest average low temperature) is February (43.2°F).

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Average pressure in December
Klamath, CA

Average pressure in December - Klamath, CA
  • Average pressure in December: 30.1"

The month with the highest atmospheric pressure is January (30.12").
The month with the lowest atmospheric pressure is August (29.99").

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Average wind speed in December
Klamath, CA

Average wind speed in December - Klamath, CA
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is June (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

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Average humidity in December
Klamath, CA

Average humidity in December - Klamath, CA
  • Average humidity in December: 78%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (76%).

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Average rainfall in December
Klamath, CA

Average rainfall in December - Klamath, CA
  • Average rainfall in December: 8.15"

The wettest month (with the highest rainfall) is December (8.15").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days in December
Klamath, CA

Average rainfall days in December - Klamath, CA
  • Average rainfall days in December: 17.5 days

The month with the highest number of rainy days is March (18.7 days).
The month with the least rainy days is July (2.4 days).

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Average snowfall in December
Klamath, CA

Average snowfall in December - Klamath, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.43").
Months with the least snowfall are January, March, April, May, June, July, August, October, November and December (0").

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Average snowfall days in December
Klamath, CA

Average snowfall days in December - Klamath, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.2 days).
Months with the least snowfall days are January, March, April, May, June, July, August, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Klamath, CA

Average daylight in December / Average sunshine in December - Klamath, CA
  • Average daylight in December: 9.2h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in December: 5.1h

Months with the most sunshine are July and August (Average sunshine: 11.8h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days in December
Klamath, CA

Average sunshine days in December - Klamath, CA
  • Average sunshine days in December: 12.8 days

The month with the most sunshine days is July (27.8 days).
The month with the least sunshine days is March (10.8 days).

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Average UV index in December
Klamath, CA

Average UV index in December - Klamath, CA
  • Average UV index in December: 3

Months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).

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Average cloud cover in December
Klamath, CA

Average cloud cover in December - Klamath, CA
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 10).

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Average visibility in December
Klamath, CA

Average visibility in December - Klamath, CA
  • 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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