December weather forecastPalo Alto, LA
December
Weather in December
December, the first month of the winter in Palo Alto, is also an enjoyable month, with an average temperature ranging between min 48°F (8.9°C) and max 62.6°F (17°C).Temperature
The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a pleasant 68.9°F (20.5°C) in November to a refreshing 62.6°F (17°C). The nights of December anticipate an average low-temperature of 48°F (8.9°C).Humidity
The months with the highest humidity in Palo Alto are February, September and December, with an average relative humidity of 80%.Rainfall
In Palo Alto, during December, the rain falls for 12.5 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 165.4 rainfall days, and 26.93" (684mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:14 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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
Palo Alto, 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).
