December weather forecastSirmans, FL

December

Weather in December

The first month of the winter, December, is still a refreshing month in Sirmans, Florida, with an average temperature fluctuating between 64.9°F (18.3°C) and 47.3°F (8.5°C).

Temperature

The transition into December subtly indicates a reduction in the average high-temperature, down to a comfortable 64.9°F (18.3°C) from November's pleasant 70.7°F (21.5°C). Sirmans's average low-temperature for the month of December records at a chilly 47.3°F (8.5°C).

Humidity

August and December, with an average relative humidity of 78%, are the most humid months.

Rainfall

In December, in Sirmans, the rain falls for 10.8 days. Throughout December, 2.52" (64mm) of precipitation is accumulated. Throughout the year, there are 181.5 rainfall days, and 34.76" (883mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 7:14 am and sunset at 5:33 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:44 pm EST.

Sunshine

With an average of 5.6h of sunshine, December has the least sunshine of the year.

UV index

The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 4 in December translates into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During December, Sirmans experiences an average high-temperature of 64.9°F (18.3°C) and a low-temperature of 47.3°F (8.5°C). In October, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is computed to be 84.2°F (29°C).

The months with the highest humidity in Sirmans are August and December, with an average relative humidity of 78%.

In Sirmans, Florida, the average relative humidity in December is 78%.

In Sirmans, in December, during 10.8 rainfall days, 2.52" (64mm) of precipitation is typically accumulated.

In Sirmans, snow does not fall in March through December.

In Sirmans, in December, it doesn't snow. In January, it regularly snows.

The month with the shortest days in Sirmans is December, with an average of 10h and 12min of daylight.

In Sirmans, Florida, the average day length in December is 10h and 14min.

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 5:33 pm. On the last day of the month, in Sirmans, sunrise is at 7:31 am and sunset at 5:44 pm EST.

The month with the least sunshine is December, with an average of 5.6h of sunshine.

In Sirmans, the average sunshine duration in December is 5.6h.

The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

70.7°F

64.9°F

61.3°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.6mph

7.1mph

7mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

7.5

10.8

10.2

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

20.8

19.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Sirmans, FL

Average high temperature in December: 64.9°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (61.3°F).

Average low temperature in December: 47.3°F

The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (43°F).

Average pressure in December
Sirmans, FL

Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in December
Sirmans, FL

Average wind speed in December: 6.4mph

The windiest months (with the highest average wind speed) are March and April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Sirmans, FL

Average humidity in December: 78%

The months with the highest relative humidity are August and December (78%).
The month with the lowest relative humidity is May (71%).

Average rainfall in December
Sirmans, FL

Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is August (5.2").
The driest month (with the least rainfall) is November (1.22").

Average rainfall days in December
Sirmans, FL

Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is August (26.3 days).
The month with the least rainy days is November (7.5 days).

Average snowfall days in December
Sirmans, FL

Average snowfall days in December: 0 days

The months with the highest number of snowfall days are January and February (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Sirmans, FL

Average daylight in December: 10h and 12min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

Average sunshine in December: 5h and 36min

The months with the most sunshine are May and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

Average sunshine days in December
Sirmans, FL

Average sunshine days in December: 19 days

The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is August (3.7 days).

Average UV index in December
Sirmans, FL

Average UV index in December: 4

The months with the highest UV index are May, June and July (UV index 7).
The month with the lowest UV index is January (UV index 3).

Average cloud cover in December
Sirmans, FL

Average cloud cover in December: 41

The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are May and October (Cloud cover 30).

Average visibility in December
Sirmans, FL

Average visibility in December: 6mi

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