December weather forecastHickman, CA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Hickman, California, with temperature in the range of an average high of 55.6°F (13.1°C) and an average low of 40.6°F (4.8°C).Temperature
During the coldest month, December, temperatures average a high of 55.6°F (13.1°C) and a low of 40.6°F (4.8°C).Humidity
The average relative humidity in December is 69%.Rainfall
The wettest months are March and December, with an average 0.98" (25mm) of rainfall.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 6:59 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:54 pm PST.
Sunshine
The month with the least sunshine in Hickman is December, with an average of 6.1h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Hickman. 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 daily high UV index of 3 in December translates into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hickman, CA
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in December: 40.6°F
The months with the highest average low temperature are July and August (63°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in December
Hickman, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Hickman, CA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in December
Hickman, CA
- Average humidity in December: 69%
The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (35%).
Average rainfall in December
Hickman, CA
- Average rainfall in December: 0.98"
The wettest months (with the highest rainfall) are March and December (0.98").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
Hickman, CA
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (0.6 days).
Average daylight in December /
Average sunshine in December
Hickman, CA
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 6min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Hickman, CA
- Average sunshine days in December: 23.2 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in December
Hickman, CA
- 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, February, November and December (UV index 3).
Average cloud cover in December
Hickman, CA
- Average cloud cover in December: 32
The months with the most cloud cover are March and December (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Hickman, 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).





