December weather forecastGilmer, TX

December

Weather in December

December, the first month of the winter in Gilmer, is also a moderate month, with an average temperature ranging between min 40.8°F (4.9°C) and max 55.6°F (13.1°C).

Temperature

As December commences, the average high-temperature subtly reduces, transitioning from 63.7°F (17.6°C) in November to a still refreshing 55.6°F (13.1°C). Nighttime temperature experiences an average drop to a wintry 40.8°F (4.9°C) in December.

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Gilmer, during December, the rain falls for 11.7 days and regularly aggregates up to 3.27" (83mm) of precipitation. Throughout the year, there are 153.6 rainfall days, and 35.28" (896mm) of precipitation is accumulated.

Snowfall

April through October and December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 7:04 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:24 pm CST.

Sunshine

With an average of 5.1h of sunshine, December has the least sunshine of the year.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 3 in December suggests the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Gilmer, is 55.6°F (13.1°C) and the average low-temperature is 40.8°F (4.9°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is evaluated at 100.4°F (38°C).

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

In Gilmer, in December, during 11.7 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

In Gilmer, snow does not fall in April through October and December.

In December, it doesn't snow. November is the latest month when it typically snows.

December has the shortest days of the year, with an average of 10h and 0min of daylight.

The average day length in December is 10h and 2min.

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:24 pm CST.

The month with the least sunshine is December, with an average of 5.1h of sunshine.

In December, the average sunshine duration is 5.1h.

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

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Gilmer, TX

  • Average high temperature in December: 55.6°F

The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (53.8°F).

  • Average low temperature in December: 40.8°F

The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

Average pressure in December
Gilmer, TX

  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in December
Gilmer, TX

  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

Average humidity in December
Gilmer, TX

  • Average humidity in December: 78%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (66%).

Average rainfall in December
Gilmer, TX

  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is April (4.37").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Gilmer, TX

  • Average rainfall days in December: 11.7 days

The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (10.3 days).

Average snowfall in December
Gilmer, TX

  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.71").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

Average snowfall days in December
Gilmer, TX

  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Gilmer, TX

  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 5h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Gilmer, TX

  • Average sunshine days in December: 17 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is February (12.8 days).

Average UV index in December
Gilmer, TX

  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

Average cloud cover in December
Gilmer, TX

  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in December
Gilmer, TX

  • Average visibility in December: 6mi

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