Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December tends to be the coldest month, with temperatures averaging a daily high of 54.5°F (12.5°C) and a low of 38.3°F (3.5°C).Humidity
In December, the average relative humidity is 65%.Rainfall
In Jermyn, in December, during 6.2 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Jermyn, there are 113.5 rainfall days, and 18.74" (476mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Jermyn. In Jermyn, Texas, during December, snow falls for 1.1 days and regularly aggregates up to 0.43" (11mm) of snow. In Jermyn, Texas, during the entire year, snow falls for 3.8 days and aggregates up to 1.42" (36mm) of snow.Daylight
The month with the shortest days in Jermyn is December, with an average of 10h and 0min of daylight.On the first day of December in Jermyn, sunrise is at 7:19 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:36 pm CST.
Sunshine
December has the least sunshine of the year in Jermyn, with an average of 6h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Jermyn?
What is the usual temperature for Jermyn in December?
What is the average humidity in December in Jermyn?
How much does it rain in Jermyn in December?
How much does it snow in Jermyn in December?
What is the month with the shortest days in Jermyn?
How many hours of daylight does Jermyn have in December?
When is the sunrise / sunset in December in Jermyn?
What is the month with the least sunshine in Jermyn?
How long on average sun shines in December in Jermyn?
When is the lowest UV index in Jermyn?
What is the UV index reading in December in Jermyn?
Average temperature in December
Jermyn, TX
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in December
Jermyn, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
Jermyn, TX
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).
Average humidity in December
Jermyn, TX
- Average humidity in December: 65%
The month with the highest relative humidity is May (70%).
The month with the lowest relative humidity is August (53%).
Average rainfall in December
Jermyn, TX
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in December
Jermyn, TX
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is May (13.3 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in December
Jermyn, TX
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Jermyn, TX
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (1.5 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
Jermyn, 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: 6h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Jermyn, TX
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is May (15 days).
Average UV index in December
Jermyn, TX
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Jermyn, TX
- Average cloud cover in December: 31
The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Jermyn, 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).
Jermyn, Texas, USA
Weather forecast for your location
2. Allow the app to use your location