December weather forecastDonaldsonville, LA
December
Weather in December
December, the first month of the winter in Donaldsonville, is still a comfortable month, with an average temperature fluctuating between 48°F (8.9°C) and 62.6°F (17°C).Temperature
Donaldsonville's progression into December involves a gentle drop in the average high-temperature, from a pleasant 68.9°F (20.5°C) in November to an enjoyable 62.6°F (17°C). During the nights in December, Donaldsonville observes an average low-temperature of 48°F (8.9°C).Humidity
The months with the highest humidity are February, September and December, with an average relative humidity of 80%.Rainfall
In Donaldsonville, in December, during 12.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. Throughout the year, there are 165.4 rainfall days, and 26.93" (684mm) of precipitation is accumulated.Snowfall
In Donaldsonville, snow does not fall in February through December.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:42 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:14 pm CST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Donaldsonville, LA
- Average high temperature in December: 62.6°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (60.1°F).
- Average low temperature in December: 48°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 (44.2°F).
Average pressure in December
Donaldsonville, LA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).
Average wind speed in December
Donaldsonville, LA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Donaldsonville, LA
- Average humidity in December: 80%
The months with the highest relative humidity are February, September and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Donaldsonville, LA
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").
Average rainfall days in December
Donaldsonville, LA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Donaldsonville, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Donaldsonville, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Donaldsonville, LA
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Donaldsonville, LA
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Donaldsonville, LA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Donaldsonville, LA
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Donaldsonville, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, June, August, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July and September (5mi).
