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
Cerritos's weather in January, with an average high-temperature of a still comfortable 66.2°F (19°C), subtly shifts from December's 64°F (17.8°C). Throughout the month of January, Cerritos sees a steady low-temperature average of 52.3°F (11.3°C).Humidity
In Cerritos, the average relative humidity in January is 55%.Rainfall
In Cerritos, in January, it is raining for 3 days, with typically 0.28" (7mm) of accumulated precipitation. In Cerritos, during the entire year, the rain falls for 33.3 days and collects up to 2.32" (59mm) of precipitation.Daylight
In Cerritos, the average length of the day in January is 10h and 13min.On the first day of January, sunrise is at 6:57 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 5:21 pm PST.
Sunshine
The average sunshine in January in Cerritos is 6.8h.UV index
The average daily maximum UV index in January is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 5 in January interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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?
How much does it rain in Cerritos in January?
How many hours of daylight does Cerritos have in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the UV index intensity in January?
Average temperature in January
Cerritos, CA
- Average high temperature in January: 66.2°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in January: 52.3°F
The month with the highest average low temperature is August (65.7°F).
The coldest month (with the lowest average low temperature) is February (51.3°F).
Average pressure in January
Cerritos, 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 (29.89"Hg).
Average wind speed in January
Cerritos, CA
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (4.8mph).
Average humidity in January
Cerritos, CA
- Average humidity in January: 55%
The month with the highest relative humidity is June (67%).
The month with the lowest relative humidity is November (52%).
Average rainfall in January
Cerritos, CA
- Average rainfall in January: 0.28"
The wettest month (with the highest rainfall) is December (0.55").
The driest month (with the least rainfall) is June (0").
Average rainfall days in January
Cerritos, CA
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is March (5.6 days).
The month with the least rainy days is June (0.6 days).
Average daylight in January /
Average sunshine in January
Cerritos, 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 July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
Cerritos, CA
- Average sunshine days in January: 26.8 days
The month with the most sunshine days is June (28.6 days).
The month with the least sunshine days is February (22.9 days).
Average UV index in January
Cerritos, CA
- Average UV index in January: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are February, November and December (UV index 4).
Average cloud cover in January
Cerritos, CA
- Average cloud cover in January: 20
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in January
Cerritos, 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).
Cerritos, California, USA
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