December weather forecastRyde, CA
December
Weather in December
The first month of the winter, December, is also a fresh month in Ryde, California, with an average temperature ranging between min 41.7°F (5.4°C) and max 55°F (12.8°C).Temperature
December, with an average high of 55°F (12.8°C) and a low of 41.7°F (5.4°C), signifies the coldest month of the year.Humidity
In Ryde, the average relative humidity in December is 71%.Rainfall
In Ryde, California, in December, it is raining for 9.7 days, with typically 1.73" (44mm) of accumulated precipitation. In Ryde, during the entire year, the rain falls for 68.7 days and collects up to 11.18" (284mm) of precipitation.Daylight
The month with the shortest days in Ryde is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:56 pm PST.
Sunshine
With an average of 5.9h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ryde, CA
- Average high temperature in December: 55°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (55°F).
- Average low temperature in December: 41.7°F
The month with the highest average low temperature is September (58.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in December
Ryde, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Ryde, CA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in December
Ryde, CA
- Average humidity in December: 71%
The months with the highest relative humidity are January and March (74%).
The month with the lowest relative humidity is September (49%).
Average rainfall in December
Ryde, CA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is February (2.17").
The driest month (with the least rainfall) is August (0").
Average rainfall days in December
Ryde, CA
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (0.7 days).
Average daylight in December /
Average sunshine in December
Ryde, CA
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 5h and 54min
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 54min).
Average sunshine days in December
Ryde, CA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is March (17.3 days).
Average UV index in December
Ryde, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Ryde, CA
- Average cloud cover in December: 35
The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Ryde, 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).
