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
Upland's December weather features a light decline in high-temperatures, reducing from an enjoyable 63.9°F (17.7°C) in November to a moderate 56.1°F (13.4°C). December brings Upland a consistent average low-temperature of 42.1°F (5.6°C).Humidity
In December, the average relative humidity in Upland is 80%.Rainfall
In Upland, in December, it is raining for 12.5 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, there are 153.5 rainfall days, and 36.14" (918mm) of precipitation is accumulated.Snowfall
April through December are months without snowfall.Daylight
December has the shortest days of the year in Upland, with an average of 10h and 0min of daylight.On the first day of December in Upland, sunrise is at 6:52 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:12 pm CST.
Sunshine
In Upland, the average sunshine in December is 5.1h.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 vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 3 in December translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the temperature in December in Upland?
What is the average humidity in December in Upland?
How much does it rain in Upland in December?
When it does not snow in Upland?
Does it snow in Upland in December?
What is the month with the shortest days in Upland?
What is the average length of the day in December in Upland?
What time are sunrise and sunset in December in Upland?
How many hours of sunshine does Upland have in December?
What are the months with the lowest UV index in Upland?
What is the UV index intensity in December in Upland?
Average temperature in December
Upland, LA
- Average high temperature in December: 56.1°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (53.4°F).
- Average low temperature in December: 42.1°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Upland, LA
- 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 (29.95"Hg).
Average wind speed in December
Upland, LA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in December
Upland, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Upland, LA
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Upland, LA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Upland, LA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Upland, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Upland, LA
- 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Upland, LA
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is February (13.1 days).
Average UV index in December
Upland, LA
- Average UV index in December: 3
The months with the highest UV index are 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
Upland, LA
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Upland, LA
- 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).
Upland, Louisiana, USA
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