January weather forecastGreenwood, CA
January
Weather in January
January, like December, in Greenwood, California, is a cool winter month, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 39.7°F (4.3°C).Temperature
January's arrival brings an average high-temperature of a still fresh 55°F (12.8°C), slightly deviating from December's 53.4°F (11.9°C). During the month of January, the temperature in Greenwood generally drops to a low average of 39.7°F (4.3°C).Humidity
In January, the average relative humidity in Greenwood is 70%.Rainfall
In Greenwood, during January, the rain falls for 10.6 days and regularly aggregates up to 4.45" (113mm) of precipitation. Throughout the year, in Greenwood, there are 84.8 rainfall days, and 28.86" (733mm) of precipitation is accumulated.Snowfall
January, April through November are months without snowfall in Greenwood, California.Daylight
In Greenwood, California, the average length of the day in January is 9h and 49min.On the first day of January in Greenwood, sunrise is at 7:22 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:23 pm PST.
Sunshine
The months with the least sunshine in Greenwood are January and December, with an average of 5.8h of sunshine.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 of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During January, 3 as the daily maximum UV index converts into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. 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 January
Greenwood, CA
- Average high temperature in January: 55°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in January: 39.7°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).
Average pressure in January
Greenwood, CA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Greenwood, CA
- Average wind speed in January: 5mph
The windiest months (with the highest average wind speed) are February and March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in January
Greenwood, CA
- Average humidity in January: 70%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (38%).
Average rainfall in January
Greenwood, CA
- Average rainfall in January: 4.45"
The wettest month (with the highest rainfall) is March (5.63").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Greenwood, CA
- Average rainfall days in January: 10.6 days
The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is July (1 days).
Average snowfall in January
Greenwood, CA
- Average snowfall in January: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Greenwood, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.6 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Greenwood, CA
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 48min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January and December (Average sunshine: 5h and 48min).
Average sunshine days in January
Greenwood, CA
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in January
Greenwood, CA
- Average UV index in January: 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 January
Greenwood, CA
- Average cloud cover in January: 35
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
Greenwood, CA
- Average visibility in January: 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).





