January weather forecastRobinson Ranch, CA
January
Weather in January
January, like December, in Robinson Ranch, California, is another enjoyable winter month, with an average temperature fluctuating between 65.5°F (18.6°C) and 49.6°F (9.8°C).Temperature
As December transitions into January, the average high-temperature rests at a still enjoyable 65.5°F (18.6°C), maintaining a close resemblance to the previous month. Throughout the nights in January, Robinson Ranch experiences an average low-temperature of 49.6°F (9.8°C).Humidity
In January, the average relative humidity is 58%.Rainfall
In Robinson Ranch, during January, the rain falls for 5.3 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Robinson Ranch, California, during the entire year, the rain falls for 64.2 days and collects up to 5.79" (147mm) of precipitation.Daylight
The average length of the day in January is 10h and 13min.On the first day of January, sunrise is at 6:54 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 5:20 pm PST.
Sunshine
In January, the average sunshine is 6.7h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 in January translates into this advice:
Ensure safety - Sun damage prevention is strongly urged. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Robinson Ranch, CA
- Average high temperature in January: 65.5°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63°F).
- Average low temperature in January: 49.6°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).
Average pressure in January
Robinson Ranch, CA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in January
Robinson Ranch, CA
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Robinson Ranch, CA
- Average humidity in January: 58%
The months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall in January
Robinson Ranch, CA
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Robinson Ranch, CA
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (1.9 days).
Average daylight in January /
Average sunshine in January
Robinson Ranch, CA
- Average daylight in January: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 42min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in January
Robinson Ranch, CA
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is February (19.8 days).
Average UV index in January
Robinson Ranch, CA
- Average UV index in January: 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 January, February, March, November and December (UV index 4).
Average cloud cover in January
Robinson Ranch, CA
- Average cloud cover in January: 22
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in January
Robinson Ranch, 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).
