Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Oak Park sees the arrival of January with an average high-temperature of a still refreshing 62.4°F (16.9°C), indicating a subtle variation from December. Oak Park's nighttime temperature in January falls to an average of 50°F (10°C).Humidity
The average relative humidity in January is 57%.Rainfall
The months with the most rainfall are January and February, with an average 2.09" (53mm) of precipitation.Daylight
In January, the average length of the day is 10h and 11min.On the first day of the month, sunrise is at 7:00 am and sunset at 4:56 pm. On the last day of January, sunrise is at 6:53 am and sunset at 5:23 pm PST.
Sunshine
January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine.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 reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 in January translates into these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the average humidity in January?
What is the wettest month?
How much does it rain in January?
How many hours of daylight does Oak Park have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Oak Park have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Oak Park, CA
- Average high temperature in January: 62.4°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (61.3°F).
- Average low temperature in January: 50°F
The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is February (49.3°F).
Average pressure in January
Oak Park, 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 (29.9"Hg).
Average wind speed in January
Oak Park, CA
- Average wind speed in January: 6.2mph
The windiest months (with the highest average wind speed) are April and December (6.4mph).
The calmest months (with the lowest average wind speed) are August and September (4.7mph).
Average humidity in January
Oak Park, CA
- Average humidity in January: 57%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (53%).
Average rainfall in January
Oak Park, CA
- Average rainfall in January: 2.09"
The wettest months (with the highest rainfall) are January and February (2.09").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Oak Park, CA
- Average rainfall days in January: 5.4 days
The month with the highest number of rainy days is March (7.5 days).
The month with the least rainy days is August (1.9 days).
Average daylight in January /
Average sunshine in January
Oak Park, CA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in January
Oak Park, CA
- Average sunshine days in January: 24.3 days
The month with the most sunshine days is October (26.4 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in January
Oak Park, 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
Oak Park, CA
- Average cloud cover in January: 21
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in January
Oak Park, 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).
Oak Park, California, USA
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