December weather forecastHawthorne, CA
December
Weather in December
December, the first month of the winter in Hawthorne, is still a comfortable month, with an average temperature fluctuating between 51.4°F (10.8°C) and 64°F (17.8°C).Temperature
December is the coldest month of the year, registering average temperatures as high as 64°F (17.8°C) and as low as 51.4°F (10.8°C).Humidity
In December, the average relative humidity is 56%.Rainfall
In December, the rain falls for 5 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, in Hawthorne, there are 47.6 rainfall days, and 7.24" (184mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in Hawthorne, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:41 am and sunset at 4:44 pm. On the last day of December, in Hawthorne, sunrise is at 6:58 am and sunset at 4:55 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 4 in December suggests the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hawthorne, CA
- Average high temperature in December: 64°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in December: 51.4°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (51.1°F).
Average pressure in December
Hawthorne, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Hawthorne, CA
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is September (4.9mph).
Average humidity in December
Hawthorne, CA
- Average humidity in December: 56%
The month with the highest relative humidity is June (70%).
The month with the lowest relative humidity is November (54%).
Average rainfall in December
Hawthorne, CA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is January (1.42").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Hawthorne, CA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.7 days).
Average daylight in December /
Average sunshine in December
Hawthorne, CA
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 42min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Hawthorne, CA
- Average sunshine days in December: 24.8 days
The month with the most sunshine days is October (25.5 days).
The month with the least sunshine days is June (21.4 days).
Average UV index in December
Hawthorne, CA
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in December
Hawthorne, CA
- Average cloud cover in December: 22
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Hawthorne, CA
- 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).
