December weather forecast and climate
Largo, CA

Weather in December

December, the first month of the winter, in Largo, is also a fresh month, with temperature in the range of an average high of 53.6°F (12°C) and an average low of 37.4°F (3°C).

Temperature

December is the coldest month, with an average high-temperature of 53.6°F (12°C) and an average low-temperature of 37.4°F (3°C).

Humidity

In Largo, California, the average relative humidity is 76%.

Rainfall

Months with the most rainfall in Largo are February and December, with an average 3.11" (79mm) of precipitation.

Snowfall

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

Daylight

With an average of 9.5h of daylight, December has the shortest days of the year.

Sunshine

With an average of 5.3h of sunshine, December has the least sunshine of the year in Largo.

UV index

The average daily maximum UV index in Largo is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. 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.
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FAQ

What is the coldest month in Largo?

December is the coldest month, with an average high-temperature of 53.6°F (12°C) and an average low-temperature of 37.4°F (3°C).

What is the temperature in December in Largo?

The average high-temperature, in December, in Largo, is 53.6°F (12°C), while the average low-temperature is 37.4°F (3°C).

What is the average humidity in December in Largo?

The average relative humidity in December in Largo, California, is 76%.

How much does it rain in Largo in December?

In Largo, in December, it is raining for 12.5 days, with typically 3.11" (79mm) of accumulated precipitation.

What is the wettest month in Largo?

Months with the most rainfall in Largo are February and December, with an average 3.11" (79mm) of precipitation.

When it does not snow in Largo?

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

What is the month with the shortest days in Largo?

The month with the shortest days in Largo, California, is December, with an average of 9.5h of daylight.

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

The average length of the day in December in Largo, California, is 9.5h.

What is the month with the least sunshine in Largo?

With an average of 5.3h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Largo?

In December, the average sunshine in Largo, California, is 5.3h.

How high is the UV index in December in Largo?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in December
Largo, CA

Average temperature in December - Largo, CA
  • Average high temperature in December: 53.6°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).

  • Average low temperature in December: 37.4°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).

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Average pressure in December
Largo, CA

Average pressure in December - Largo, CA
  • Average pressure in December: 30.11"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in December
Largo, CA

Average wind speed in December - Largo, CA
  • Average wind speed in December: 4.5mph

The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

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Average humidity in December
Largo, CA

Average humidity in December - Largo, CA
  • Average humidity in December: 76%

The month with the highest relative humidity is March (79%).
Months with the lowest relative humidity are July and September (58%).

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Average rainfall in December
Largo, CA

Average rainfall in December - Largo, CA
  • Average rainfall in December: 3.11"

The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in December
Largo, CA

Average rainfall days in December - Largo, CA
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).

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Average snowfall in December
Largo, CA

Average snowfall in December - Largo, 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
Largo, CA

Average snowfall days in December - Largo, CA
  • Average snowfall days in December: 0 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, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Largo, CA
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5.3h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days in December
Largo, CA

Average sunshine days in December - Largo, CA
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).

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Average UV index in December
Largo, CA

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

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

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Average cloud cover in December
Largo, CA

Average cloud cover in December - Largo, CA
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in December
Largo, CA

Average visibility in December - Largo, CA
  • Average visibility in December: 5mi

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

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