December weather forecastHammond, LA
December
Weather in December
The year concludes with December, known to bring colder days and frosty nights to Hammond. The drop in temperatures to lows of 46.9°F (8.3°C) and highs of 62.1°F (16.7°C) signifies the full arrival of winter. Despite the cold, snowfall remains a rarity in December, marking a characteristic trend throughout the year. Short days and falling temperatures turn the city into a wintry arena, festooned with Christmas decorations. Thus, the herald of another new year appears on the horizon, resulting in a perfect bookend to the climatic journey throughout the year.Temperature
December's onset introduces a mild reduction in the average high-temperature, from an agreeable 68.4°F (20.2°C) in November to an enjoyable 62.1°F (16.7°C). Hammond experiences an average nighttime temperature of 46.9°F (8.3°C) in the month of December.Humidity
February and December, with an average relative humidity of 81%, are the most humid months in Hammond.Rainfall
In Hammond, in December, it is raining for 13.1 days, with typically 2.64" (67mm) of accumulated precipitation. Throughout the year, in Hammond, there are 163.3 rainfall days, and 27.64" (702mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.4 snowfall days, and 0.24" (6mm) of snow is accumulated.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 6:41 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:11 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.8h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during December leads to these instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hammond, LA
- Average high temperature in December: 62.1°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in December: 46.9°F
The month with the highest average low temperature is August (74.5°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).
Average pressure in December
Hammond, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Hammond, LA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Hammond, LA
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Hammond, LA
- Average rainfall in December: 2.64"
The wettest month (with the highest rainfall) is July (3.9").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in December
Hammond, LA
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is August (20.7 days).
The month with the least rainy days is November (7.6 days).
Average snowfall in December
Hammond, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Hammond, LA
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and December (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
Hammond, 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: 4h and 48min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Hammond, LA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in December
Hammond, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Hammond, LA
- Average cloud cover in December: 50
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Hammond, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, April, June, August, October, November and December (6mi).
The months with the lowest visibility are March, May, July and September (5mi).
