January weather forecastOakville, CA
January
Weather in January
January is a refreshing winter month in Oakville, California, with temperature in the range of an average high of 55.9°F (13.3°C) and an average low of 41.2°F (5.1°C).Temperature
Oakville's January average high-temperature settles at a moderate 55.9°F (13.3°C), showing a near match with the preceding month. During the month of January, the temperature generally drops to a low average of 41.2°F (5.1°C).Humidity
The average relative humidity in January in Oakville is 73%.Rainfall
In Oakville, California, during January, the rain falls for 10.3 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, there are 77.8 rainfall days, and 16.02" (407mm) of precipitation is accumulated.Daylight
The average length of the day in January in Oakville, California, is 9h and 51min.On the first day of the month, sunrise is at 7:26 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:15 am and sunset at 5:30 pm PST.
Sunshine
In Oakville, California, the average sunshine in January is 5.7h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in January transforms into this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Oakville, CA
- Average high temperature in January: 55.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in January: 41.2°F
The month with the highest average low temperature is August (55.4°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in January
Oakville, CA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in January
Oakville, CA
- Average wind speed in January: 4.5mph
The windiest month (with the highest average wind speed) is May (6mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in January
Oakville, CA
- Average humidity in January: 73%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (54%).
Average rainfall in January
Oakville, CA
- Average rainfall in January: 3.03"
The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Oakville, CA
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is March (13.9 days).
The month with the least rainy days is August (0.9 days).
Average daylight in January /
Average sunshine in January
Oakville, CA
- Average daylight in January: 9h and 54min
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 30min).
- Average sunshine in January: 5h and 42min
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 36min).
Average sunshine days in January
Oakville, CA
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.8 days).
Average UV index in January
Oakville, CA
- Average UV index in January: 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 January
Oakville, CA
- Average cloud cover in January: 37
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in January
Oakville, 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).
