January weather forecastHopland, CA
January
Weather in January
January, like December, in Hopland, California, is a cool winter month, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 55.2°F (12.9°C).Temperature
January's commencement is accompanied by an average high-temperature of a still cool 55.2°F (12.9°C), diverging marginally from December's 53.6°F (12°C). Throughout the January nights, Hopland encounters a low-temperature of 38.8°F (3.8°C).Humidity
In January, the average relative humidity is 75%.Rainfall
In January, the rain falls for 11.3 days. Throughout January, 2.91" (74mm) of precipitation is accumulated. In Hopland, California, during the entire year, the rain falls for 83.3 days and collects up to 17.72" (450mm) of precipitation.Snowfall
In Hopland, snow does not fall in January, March through December.Daylight
In Hopland, the average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:31 am and sunset at 5:00 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:32 pm PST.
Sunshine
The average sunshine in January is 5.5h.UV index
The average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 3 during January translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Hopland, CA
- Average high temperature in January: 55.2°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in January: 38.8°F
The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).
Average pressure in January
Hopland, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
Hopland, CA
- Average wind speed in January: 4.6mph
The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in January
Hopland, CA
- Average humidity in January: 75%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and September (58%).
Average rainfall in January
Hopland, CA
- Average rainfall in January: 2.91"
The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in January
Hopland, CA
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).
Average snowfall in January
Hopland, CA
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Hopland, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Hopland, 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 30min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
Hopland, CA
- Average sunshine days in January: 18.5 days
The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).
Average UV index in January
Hopland, CA
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February and November (UV index 2).
Average cloud cover in January
Hopland, CA
- Average cloud cover in January: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in January
Hopland, CA
- Average visibility in January: 5mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).
