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
The average high-temperature for January is a still enjoyable 66.2°F (19°C), closely aligning with the temperature of the preceding month. The temperature dips to an average of 52.3°F (11.3°C) during January nights.Humidity
The average relative humidity in January in Cerritos is 55%.Rainfall
In January, in Cerritos, the rain falls for 3 days. Throughout January, 0.28" (7mm) of precipitation is accumulated. In Cerritos, California, during the entire year, the rain falls for 33.3 days and collects up to 2.32" (59mm) of precipitation.Daylight
In January, the average length of the day in Cerritos is 10h and 13min.On the first day of January in Cerritos, California, 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
In January, the average sunshine is 6.8h.UV index
In Cerritos, California, the average daily maximum UV index in January is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the average maximum UV index of 5 translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the average January temperature in Cerritos?
What is the average humidity in January in Cerritos?
How many days does it rain in January in Cerritos?
What is the average length of the day in January in Cerritos?
When are sunrise and sunset in January in Cerritos?
How long on average sun shines in January in Cerritos?
What is the UV index intensity in January in Cerritos?
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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