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
January's arrival brings an average high-temperature of a still refreshing 64°F (17.8°C), slightly deviating from December's 62.2°F (16.8°C). Throughout the January nights, Topanga encounters a low-temperature of 51.4°F (10.8°C).Humidity
In January, the average relative humidity in Topanga is 57%.Rainfall
January is the month with the most rainfall. Rain falls for 4.6 days and accumulates 1.69" (43mm) of precipitation.Daylight
The average length of the day in January is 10h and 11min.On the first day of the month, sunrise is at 6:59 am and sunset at 4:55 pm. On the last day of January, sunrise is at 6:52 am and sunset at 5:23 pm PST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 6.7h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 4 during January translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. 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 the temperatures in January?
What is the average humidity in January?
What is the wettest month?
How much does it rain in Topanga in January?
What is the average length of the day in January?
When are sunrise and sunset in January in Topanga?
What is the month with the least sunshine in Topanga?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Topanga, CA
- Average high temperature in January: 64°F
The warmest month (with the highest average high temperature) is August (78.8°F).
The month with the lowest average high temperature is December (62.2°F).
- Average low temperature in January: 51.4°F
The month with the highest average low temperature is September (63.9°F).
The coldest month (with the lowest average low temperature) is February (50.5°F).
Average pressure in January
Topanga, 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
Topanga, CA
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Topanga, CA
- Average humidity in January: 57%
The month with the highest relative humidity is June (72%).
The month with the lowest relative humidity is November (54%).
Average rainfall in January
Topanga, CA
- Average rainfall in January: 1.69"
The wettest month (with the highest rainfall) is January (1.69").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Topanga, CA
- Average rainfall days in January: 4.6 days
The month with the highest number of rainy days is March (7 days).
The month with the least rainy days is August (2.4 days).
Average daylight in January /
Average sunshine in January
Topanga, 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 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 42min).
Average sunshine days in January
Topanga, CA
- Average sunshine days in January: 25.4 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is February (22.1 days).
Average UV index in January
Topanga, 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, November and December (UV index 4).
Average cloud cover in January
Topanga, CA
- Average cloud cover in January: 22
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in January
Topanga, 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).
Topanga, California, USA
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