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 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
Robbins reaches its lowest average temperatures in December, measuring 54.3°F (12.4°C) at the peak and 41.4°F (5.2°C) at the lowest.Humidity
The average relative humidity in December is 71%.Rainfall
In Robbins, in December, during 10.9 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Robbins, during the entire year, the rain falls for 76.7 days and collects up to 15.71" (399mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:55 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 5.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days in Robbins?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Robbins, CA
- Average high temperature in December: 54.3°F
The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is December (54.3°F).
- Average low temperature in December: 41.4°F
The month with the highest average low temperature is July (60.3°F).
The coldest months (with the lowest average low temperature) are January and December (41.4°F).
Average pressure in December
Robbins, 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 (29.9"Hg).
Average wind speed in December
Robbins, CA
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).
Average humidity in December
Robbins, CA
- Average humidity in December: 71%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (43%).
Average rainfall in December
Robbins, CA
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is March (2.87").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Robbins, CA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (1.1 days).
Average daylight in December /
Average sunshine in December
Robbins, CA
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Robbins, CA
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (16 days).
Average UV index in December
Robbins, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Robbins, CA
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Robbins, 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).
Robbins, California, USA
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