December weather forecast
Lamont, CA

Weather in December

The first month of the winter, December, is still a mild month in Lamont, California, with average temperature varying between 38.3°F (3.5°C) and 56.3°F (13.5°C).

Temperature

December is the coldest month, with an average high-temperature of 56.3°F (13.5°C) and an average low-temperature of 38.3°F (3.5°C).

Humidity

Months with the highest humidity in Lamont are February and December, with an average relative humidity of 58%.

Rainfall

December is the month with the most rainfall in Lamont. Rain falls for 6.5 days and accumulates 1.22" (31mm) of precipitation.

Snowfall

In Lamont snow does not fall in January, March through December.

Daylight

December has the shortest days of the year, with an average of 9.8h of daylight.

Sunshine

January and December, with an average of 6.9h of sunshine, are months with the least sunshine.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. 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 Lamont?

With an average high-temperature of 56.3°F (13.5°C) and an average low-temperature of 38.3°F (3.5°C), December is the coldest month in Lamont.

What are the most humid months in Lamont?

Months with the highest humidity in Lamont, California, are February and December, with an average relative humidity of 58%.

What is the average humidity in December in Lamont?

The average relative humidity in December in Lamont, California, is 58%.

What is the wettest month in Lamont?

The month with the most rainfall in Lamont is December when the rain falls for 6.5 days and typically aggregates up to 1.22" (31mm) of precipitation.

How much does it rain in Lamont in December?

In Lamont, during December, the rain falls for 6.5 days and regularly aggregates up to 1.22" (31mm) of precipitation.

When it does not snow in Lamont?

January, March through December are months without snowfall in Lamont.

What is the month with the shortest days in Lamont?

December has the shortest days of the year in Lamont, with an average of 9.8h of daylight.

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

The average length of the day in December in Lamont is 9.8h.

What is the month with the least sunshine in Lamont?

January and December, with an average of 6.9h of sunshine, are months with the least sunshine in Lamont.

How many hours of sunshine does Lamont have in December?

The average sunshine in December is 6.9h.

When is the lowest UV index in Lamont?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Lamont.

How high is the UV index in December in Lamont?

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

Average temperature in December
Lamont, CA

Average temperature in December - Lamont, CA
  • Average high temperature in December: 56.3°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in December: 38.3°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).

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Average pressure in December
Lamont, CA

Average pressure in December - Lamont, 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 June (29.87").

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Average wind speed in December
Lamont, CA

Average wind speed in December - Lamont, CA
  • Average wind speed in December: 4.3mph

The windiest month (with the highest average wind speed) is June (5.5mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in December
Lamont, CA

Average humidity in December - Lamont, CA
  • Average humidity in December: 58%

Months with the highest relative humidity are February and December (58%).
The month with the lowest relative humidity is August (29%).

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Average rainfall in December
Lamont, CA

Average rainfall in December - Lamont, CA
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is December (1.22").
The driest months (with the least rainfall) are June and August (0.08").

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Average rainfall days in December
Lamont, CA

Average rainfall days in December - Lamont, CA
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is June (1.4 days).

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Average snowfall in December
Lamont, CA

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

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Lamont, CA

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

The month with the highest number of snowfall days is February (0.3 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Lamont, CA
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 6.9h

The month with the most sunshine is June (Average sunshine: 12.2h).
Months with the least sunshine are January and December (Average sunshine: 6.9).

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Average sunshine days in December
Lamont, CA

Average sunshine days in December - Lamont, CA
  • Average sunshine days in December: 22.7 days

The month with the most sunshine days is August (27.9 days).
The month with the least sunshine days is February (20.5 days).

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Average UV index in December
Lamont, CA

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

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in December
Lamont, CA

Average cloud cover in December - Lamont, CA
  • Average cloud cover in December: 22

The month with the most cloud cover is March (Cloud cover 23).
Months with the least cloud cover are June, July, August and September (Cloud cover 5).

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Average visibility in December
Lamont, CA

Average visibility in December - Lamont, 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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