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
With an average high-temperature of 63.9°F (17.7°C) and an average low-temperature of 52.3°F (11.3°C), December is the coldest month.Humidity
The average relative humidity in December is 57%.Rainfall
The month with the most rainfall is December, when the rain falls for 4.9 days and typically aggregates up to 0.59" (15mm) of precipitation.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:39 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:54 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 6.7h of sunshine.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 during December translates into the following directions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are December temperatures?
What is the average humidity in December?
What is the rainiest month?
How many days does it rain in December?
What is the month with the shortest days?
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 many hours of sunshine does Hawaiian Gardens have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Hawaiian Gardens, CA
- Average high temperature in December: 63.9°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (63.9°F).
- Average low temperature in December: 52.3°F
The month with the highest average low temperature is August (65.5°F).
The coldest month (with the lowest average low temperature) is February (51.6°F).
Average pressure in December
Hawaiian Gardens, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in December
Hawaiian Gardens, CA
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are September and October (5mph).
Average humidity in December
Hawaiian Gardens, CA
- Average humidity in December: 57%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (54%).
Average rainfall in December
Hawaiian Gardens, CA
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is December (0.59").
The driest month (with the least rainfall) is June (0").
Average rainfall days in December
Hawaiian Gardens, CA
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is March (5.6 days).
The month with the least rainy days is June (0.6 days).
Average daylight in December /
Average sunshine in December
Hawaiian Gardens, CA
- Average daylight in December: 9h and 5min
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 4min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Hawaiian Gardens, CA
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (23 days).
Average UV index in December
Hawaiian Gardens, 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 February, November and December (UV index 4).
Average cloud cover in December
Hawaiian Gardens, CA
- Average cloud cover in December: 23
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Hawaiian Gardens, 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).
Hawaiian Gardens, California, USA
Weather forecast for your location
2. Allow the app to use your location