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
In Grasmere, the beginning of December is marked by a marginally lowered average high-temperature, shifting from November's enjoyable 62.1°F (16.7°C) to a cool 54.5°F (12.5°C). Grasmere's nights in December cool down to an average low-temperature of 40.1°F (4.5°C).Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Grasmere, during December, the rain falls for 13.8 days and regularly aggregates up to 3.98" (101mm) of precipitation. In Grasmere, during the entire year, the rain falls for 177.1 days and collects up to 41.06" (1043mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Grasmere, during December, snow falls for 0.5 days and regularly aggregates up to 0.47" (12mm) of snow. In Grasmere, during the entire year, snow falls for 3.5 days and aggregates up to 1.77" (45mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:31 am and sunset at 4:37 pm. On the last day of December, sunrise is at 6:49 am and sunset at 4:48 pm CST.
Sunshine
In Grasmere, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Grasmere have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Grasmere have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Grasmere, AL
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Grasmere, AL
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Grasmere, AL
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in December
Grasmere, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Grasmere, AL
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is October (2.28").
Average rainfall days in December
Grasmere, AL
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in December
Grasmere, AL
- Average snowfall in December: 0.47"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Grasmere, AL
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are January and 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
Grasmere, AL
- 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: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Grasmere, AL
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in December
Grasmere, AL
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Grasmere, AL
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, September and October (Cloud cover 31).
Average visibility in December
Grasmere, AL
- 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).
Grasmere, Alabama, USA
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