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
In Eucalyptus Hills, December is the month with the lowest recorded average temperatures, measuring a high of 63.7°F (17.6°C) and a low of 46.6°F (8.1°C).Humidity
In Eucalyptus Hills, the average relative humidity in December is 58%.Rainfall
In Eucalyptus Hills, in December, it is raining for 5.1 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 49.6 rainfall days, and 5.16" (131mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:33 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:52 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6.7h of sunshine.UV index
December is the month with the lowest UV index in Eucalyptus Hills, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To protect against the Sun's most potent rays, avoid direct exposure around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What is the usual temperature for Eucalyptus Hills in December?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Eucalyptus Hills have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine in Eucalyptus Hills?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Eucalyptus Hills, CA
- Average high temperature in December: 63.7°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in December: 46.6°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 (46°F).
Average pressure in December
Eucalyptus Hills, CA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Eucalyptus Hills, CA
- Average wind speed in December: 4.8mph
The windiest months (with the highest average wind speed) are April and May (5.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.2mph).
Average humidity in December
Eucalyptus Hills, CA
- Average humidity in December: 58%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in December
Eucalyptus Hills, CA
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Eucalyptus Hills, CA
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.4 days).
Average daylight in December /
Average sunshine in December
Eucalyptus Hills, CA
- 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: 6h and 4min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Eucalyptus Hills, CA
- Average sunshine days in December: 25.2 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is July (20.7 days).
Average UV index in December
Eucalyptus Hills, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Eucalyptus Hills, CA
- Average cloud cover in December: 23
The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Eucalyptus Hills, 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).
Eucalyptus Hills, California, USA
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