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
In Norwalk, January's average high-temperature stands at a still refreshing 66.4°F (19.1°C), closely related to the preceding month. An average low-temperature of 52°F (11.1°C) is observed in Norwalk during the January nights.Humidity
In January, the average relative humidity is 54%.Rainfall
In Norwalk, in January, it is raining for 4.7 days, with typically 1.22" (31mm) of accumulated precipitation. Throughout the year, there are 49.5 rainfall days, and 7.05" (179mm) of precipitation is accumulated.Daylight
In Norwalk, the average length of the day in January is 10h and 12min.On the first day of January in Norwalk, 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 in Norwalk is 6.8h.UV index
In Norwalk, the average daily maximum UV index in January is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 5 during January translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the usual temperature for Norwalk in January?
What is the average humidity in January in Norwalk?
How many days does it rain in January in Norwalk?
What is the average length of the day in January in Norwalk?
What time are sunrise and sunset in January in Norwalk?
How many hours of sunshine does Norwalk have in January?
What is the UV index reading in January in Norwalk?
Average temperature in January
Norwalk, CA
- Average high temperature in January: 66.4°F
The warmest month (with the highest average high temperature) is August (83.1°F).
The month with the lowest average high temperature is December (64.6°F).
- Average low temperature in January: 52°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 (50.5°F).
Average pressure in January
Norwalk, 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
Norwalk, CA
- Average wind speed in January: 5.3mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.7mph).
Average humidity in January
Norwalk, CA
- Average humidity in January: 54%
The month with the highest relative humidity is June (66%).
The month with the lowest relative humidity is November (51%).
Average rainfall in January
Norwalk, CA
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is December (1.46").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in January
Norwalk, CA
- Average rainfall days in January: 4.7 days
The month with the highest number of rainy days is March (7.1 days).
The month with the least rainy days is June (1.2 days).
Average daylight in January /
Average sunshine in January
Norwalk, 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
Norwalk, CA
- Average sunshine days in January: 25.6 days
The months with the most sunshine days are January and August (25.6 days).
The month with the least sunshine days is February (21.1 days).
Average UV index in January
Norwalk, 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
Norwalk, CA
- Average cloud cover in January: 21
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
Norwalk, 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).
Norwalk, California, USA
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