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 arrival of December corresponds with a minor reduction in the average high-temperature, down from November's moderate 59.4°F (15.2°C) to a cool 51.1°F (10.6°C). Waterloo, in December, experiences an average temperature of 37.9°F (3.3°C) at night.Humidity
The most humid month in Waterloo, Alabama, is December, with an average relative humidity of 80%.Rainfall
In Waterloo, in December, during 11.9 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 159.1 rainfall days, and 31.85" (809mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Waterloo. In Waterloo, in December, snow falls for 0.8 days, with typically accumulated 0.2" (5mm) of snow. In Waterloo, during the entire year, snow falls for 6.1 days and aggregates up to 0.83" (21mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December in Waterloo, sunrise is at 6:42 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:51 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.6h of sunshine.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the temperature in December in Waterloo?
What is the most humid month in Waterloo?
What is the average humidity in December in Waterloo?
How much does it rain in Waterloo in December?
How much does it snow in Waterloo in December?
What is the month with the shortest days in Waterloo?
What is the average length of the day in December in Waterloo?
What time are sunrise and sunset in December in Waterloo?
What is the month with the least sunshine in Waterloo?
How long on average sun shines in December in Waterloo?
When is the lowest UV index in Waterloo?
What is the UV index reading in December in Waterloo?
Average temperature in December
Waterloo, AL
- Average high temperature in December: 51.1°F
The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (47.3°F).
- Average low temperature in December: 37.9°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (33.1°F).
Average pressure in December
Waterloo, 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 (29.96"Hg).
Average wind speed in December
Waterloo, AL
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Waterloo, 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
Waterloo, AL
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Waterloo, AL
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Waterloo, AL
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Waterloo, AL
- Average snowfall days in December: 0.8 days
The months with the highest number of snowfall days are January and February (2.1 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
Waterloo, AL
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Waterloo, AL
- Average sunshine days in December: 17.4 days
The months with the most sunshine days are October and November (19.3 days).
The month with the least sunshine days is July (11 days).
Average UV index in December
Waterloo, AL
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Waterloo, AL
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Waterloo, AL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
Waterloo, Alabama, USA
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