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
January stands out as Allendale's coldest month, with an average high-temperature of 35.2°F (1.8°C) and a low-temperature of 22.8°F (-5.1°C).Humidity
The average relative humidity in January in Allendale, New Jersey, is 76%.Rainfall
In January, the rain falls for 8.4 days. Throughout January, 2.28" (58mm) of precipitation is accumulated. In Allendale, during the entire year, the rain falls for 157.3 days and collects up to 32.72" (831mm) of precipitation.Snowfall
Months with snowfall in Allendale are January through April, October through December. In Allendale, in January, during 7.3 snowfall days, 2.8" (71mm) of snow is typically accumulated. In Allendale, during the entire year, snow falls for 28 days and aggregates up to 13.82" (351mm) of snow.Daylight
In Allendale, the average length of the day in January is 9h and 37min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:38 pm. On the last day of January, in Allendale, sunrise is at 7:08 am and sunset at 5:11 pm EST.
Sunshine
In Allendale, the average sunshine in January is 4.9h.UV index
The months with the lowest UV index in Allendale are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the coldest months in Allendale?
How cold is January in Allendale?
What is the average humidity in January in Allendale?
How many days does it rain in January in Allendale?
How much does it snow in Allendale in January?
What is the average length of the day in January in Allendale?
When are sunrise and sunset in January in Allendale?
How long on average sun shines in January in Allendale?
What is the month with the lowest UV index in Allendale?
What is the UV index reading in January in Allendale?
Average temperature in January
Allendale, NJ
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in January: 22.8°F
The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in January
Allendale, NJ
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Allendale, NJ
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in January
Allendale, NJ
- Average humidity in January: 76%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is August (70%).
Average rainfall in January
Allendale, NJ
- Average rainfall in January: 2.28"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in January
Allendale, NJ
- Average rainfall days in January: 8.4 days
The months with the highest number of rainy days are May and July (16.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in January
Allendale, NJ
- Average snowfall in January: 2.8"
The month with the highest snowfall is February (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Allendale, NJ
- Average snowfall days in January: 7.3 days
The month with the highest number of snowfall days is February (7.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Allendale, NJ
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Allendale, NJ
- Average sunshine days in January: 17.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (11.5 days).
Average UV index in January
Allendale, NJ
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Allendale, NJ
- Average cloud cover in January: 46
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Allendale, NJ
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Allendale, New Jersey, USA
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