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 snowfall in January
- Average snowfall 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 Clayton, the lowest average temperatures are observed in January, with a high of 38.1°F (3.4°C) and a low of 26.8°F (-2.9°C).Humidity
In Clayton, the average relative humidity in January is 74%.Rainfall
In Clayton, in January, during 8.8 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Clayton, New Jersey, during the entire year, the rain falls for 154.9 days and collects up to 30.47" (774mm) of precipitation.Snowfall
Months with snowfall in Clayton, New Jersey, are January through May, November and December. In Clayton, in January, snow falls for 5.5 days, with typically accumulated 2.4" (61mm) of snow. In Clayton, during the entire year, snow falls for 17.8 days and aggregates up to 10.28" (261mm) of snow.Daylight
In Clayton, the average length of the day in January is 9h and 44min.On the first day of January in Clayton, sunrise is at 7:21 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:18 pm EST.
Sunshine
The average sunshine in January in Clayton is 5.1h.UV index
The months with the lowest UV index in Clayton are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What part of the year is the coldest in Clayton?
How cold is it in Clayton in January?
What is the average humidity in January in Clayton?
How many days does it rain in January in Clayton?
How much does it snow in Clayton in January?
How many hours of daylight does Clayton have in January?
When are sunrise and sunset in January in Clayton?
How many hours of sunshine does Clayton have in January?
When is the lowest UV index in Clayton?
What is the UV index reading in January in Clayton?
Average temperature in January
Clayton, NJ
- Average high temperature in January: 38.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in January: 26.8°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in January
Clayton, NJ
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Clayton, NJ
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is April (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Clayton, NJ
- Average humidity in January: 74%
The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Clayton, NJ
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in January
Clayton, NJ
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in January
Clayton, NJ
- Average snowfall in January: 2.4"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Clayton, NJ
- Average snowfall days in January: 5.5 days
The month with the highest number of snowfall days is January (5.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Clayton, NJ
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Clayton, NJ
- Average sunshine days in January: 18.2 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in January
Clayton, NJ
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Clayton, NJ
- Average cloud cover in January: 44
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in January
Clayton, NJ
- 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).
Clayton, New Jersey, USA
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