January weather forecastGlen Arbor, CA
January
Weather in January
January, the same as December, in Glen Arbor, California, is a moderate winter month, with an average temperature varying between 46°F (7.8°C) and 58.5°F (14.7°C).Temperature
Stepping into January, Glen Arbor records an average high-temperature of a still refreshing 58.5°F (14.7°C), almost consistent with December. In January, the recorded average low-temperature is a chilly 46°F (7.8°C).Humidity
The average relative humidity in January in Glen Arbor is 72%.Rainfall
In January, in Glen Arbor, California, the rain falls for 9.7 days. Throughout January, 2.48" (63mm) of precipitation is accumulated. In Glen Arbor, during the entire year, the rain falls for 72.5 days and collects up to 13.58" (345mm) of precipitation.Daylight
The average length of the day in January in Glen Arbor is 9h and 58min.On the first day of the month, sunrise is at 7:21 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:31 pm PST.
Sunshine
In January, the average sunshine in Glen Arbor is 6.1h.UV index
In Glen Arbor, California, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In January, a regular UV index of 4 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Glen Arbor, CA
- Average high temperature in January: 58.5°F
The warmest month (with the highest average high temperature) is August (74.8°F).
The month with the lowest average high temperature is December (57°F).
- Average low temperature in January: 46°F
The month with the highest average low temperature is September (55.4°F).
The coldest month (with the lowest average low temperature) is February (45.1°F).
Average pressure in January
Glen Arbor, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in January
Glen Arbor, CA
- Average wind speed in January: 5.4mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Glen Arbor, CA
- Average humidity in January: 72%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is October (67%).
Average rainfall in January
Glen Arbor, CA
- Average rainfall in January: 2.48"
The wettest month (with the highest rainfall) is February (2.6").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Glen Arbor, CA
- Average rainfall days in January: 9.7 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (0.8 days).
Average daylight in January /
Average sunshine in January
Glen Arbor, CA
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 6h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in January
Glen Arbor, CA
- Average sunshine days in January: 20.7 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.5 days).
Average UV index in January
Glen Arbor, CA
- Average UV index in January: 4
The months with the highest UV index are June, July, August, September and October (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in January
Glen Arbor, CA
- Average cloud cover in January: 32
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility in January
Glen Arbor, 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).
