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
The shift from November to December includes a small decrease in the average high-temperature, from an enjoyable 63.3°F (17.4°C) to a moderate 56.3°F (13.5°C). An average low-temperature of 41.2°F (5.1°C) marks the month of December.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In Isabella, in December, it is raining for 13.7 days, with typically 3.7" (94mm) of accumulated precipitation. In Isabella, during the entire year, the rain falls for 171.1 days and collects up to 37.87" (962mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. December is the month with the most snowfall in Isabella, Alabama. Snow falls for 0.5 days and accumulates 0.51" (13mm) 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 December, sunrise is at 6:32 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 4:51 pm CST.
Sunshine
The average sunshine in December is 5h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Isabella?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
What is the snowiest month?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Isabella have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Isabella, AL
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 41.2°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in December
Isabella, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Isabella, AL
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Isabella, 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 (71%).
Average rainfall in December
Isabella, AL
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is April (3.86").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Isabella, AL
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Isabella, AL
- Average snowfall in December: 0.51"
The month with the highest snowfall is December (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Isabella, AL
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (0.9 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
Isabella, 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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Isabella, AL
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Isabella, AL
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Isabella, AL
- Average cloud cover in December: 46
The months with the most cloud cover are February and December (Cloud cover 46).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in December
Isabella, 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).
Isabella, Alabama, USA
Weather forecast for your location
2. Allow the app to use your location