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
As December transitions into January, Java records an average high-temperature of a still refreshing 60.6°F (15.9°C), showing a gentle shift from the preceding month. In Java, the average low-temperature during the month of January is a frosty 46.2°F (7.9°C).Humidity
January and December, with an average relative humidity of 40%, are the most humid months.Rainfall
In January, the rain falls for 3 days. Throughout January, 0.28" (7mm) of precipitation is accumulated. In Java, during the entire year, the rain falls for 41.8 days and collects up to 4.21" (107mm) of precipitation.Daylight
In Java, the average length of the day in January is 10h and 8min.On the first day of the month, sunrise is at 6:46 am and sunset at 4:38 pm. On the last day of January, sunrise is at 6:38 am and sunset at 5:06 pm PST.
Sunshine
In January, the average sunshine is 7.1h.UV index
The average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 4 during January translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature in Java?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
How many hours of daylight does Java have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Java have in January?
How high is the UV index in January?
Average temperature in January
Java, CA
- Average high temperature in January: 60.6°F
The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (59°F).
- Average low temperature in January: 46.2°F
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).
Average pressure in January
Java, CA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).
Average wind speed in January
Java, CA
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in January
Java, CA
- Average humidity in January: 40%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (14%).
Average rainfall in January
Java, CA
- Average rainfall in January: 0.28"
The wettest month (with the highest rainfall) is July (0.67").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Java, CA
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.1 days).
Average daylight in January /
Average sunshine in January
Java, CA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 7h and 1min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in January
Java, CA
- Average sunshine days in January: 27.1 days
The month with the most sunshine days is November (28.1 days).
The month with the least sunshine days is July (17.9 days).
Average UV index in January
Java, CA
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Java, CA
- Average cloud cover in January: 17
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in January
Java, 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).
Java, California, USA
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