December weather forecast
Largo, CA

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Weather in December

The first month of the winter, December, is still a cool month in Largo, California, with an average temperature varying between 37.4°F (3°C) and 53.6°F (12°C).

Temperature

December, on average, is the coldest month, registering a high temperature of 53.6°F (12°C) and a low of 37.4°F (3°C).

Humidity

In December, the average relative humidity is 76%.

Rainfall

The wettest months are February and December, with an average 3.11" (79mm) of rainfall.

Snowfall

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

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:00 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.3h of sunshine.

UV index

In December, 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 Sun's UV rays for the average person.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months in Largo?

December, characterized by an average high temperature of 53.6°F (12°C) and a low temperature of 37.4°F (3°C), is generally the coldest month in Largo, California.

What is the temperature in December in Largo?

In Largo, in December, the average high-temperature is 53.6°F (12°C), and the average low-temperature is 37.4°F (3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in September is evaluated at 82.4°F (28°C).

What is the average humidity in December in Largo?

The average relative humidity in December is 76%.

What is the rainiest month in Largo?

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

How many days does it rain in December in Largo?

In December, in Largo, the rain falls for 12.5 days. Throughout December, 3.11" (79mm) of precipitation is accumulated.

When it does not snow in Largo?

In Largo, 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 is December, with an average of 9h and 30min of daylight.

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

The average day length in December in Largo, California, is 9h and 29min.

When are sunrise and sunset in December in Largo?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:50 pm. On the last day of the month, in Largo, sunrise is at 7:31 am and sunset at 5:00 pm PST.

What is the month with the least sunshine in Largo?

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

How long on average sun shines in December in Largo?

The average sunshine duration in December in Largo, California, is 5.3h.

What is the UV index intensity in December in Largo?

In Largo, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).

Average pressure in December
Largo, CA

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

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

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).

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%).
The months with the lowest relative humidity are July and September (58%).

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").

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).

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").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Largo, CA
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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).

Average UV index in December
Largo, CA

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

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

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).

Average visibility in December
Largo, CA

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

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

Largo, California, USA

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