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 East Hanover, New Jersey, the lowest average temperatures are observed in January, with a high of 34.9°F (1.6°C) and a low of 22.5°F (-5.3°C).Humidity
In East Hanover, the average relative humidity in January is 77%.Rainfall
The months with the least rainfall in East Hanover are January, February and September Rain falls for 8.3 days and accumulates 1.57" (40mm) of rain.Snowfall
Months with snowfall in East Hanover are January through May, November and December. In East Hanover, in January, during 6.6 snowfall days, 1.77" (45mm) of snow is typically accumulated. In East Hanover, New Jersey, during the entire year, snow falls for 24 days and aggregates up to 9.72" (247mm) of snow.Daylight
In East Hanover, New Jersey, the average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:40 pm. On the last day of January, in East Hanover, sunrise is at 7:08 am and sunset at 5:12 pm EST.
Sunshine
In East Hanover, the average sunshine in January is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in East Hanover. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What time of the year is the coldest in East Hanover?
How cold is it in East Hanover in January?
What is the average humidity in January in East Hanover?
What is the driest month in East Hanover?
How much does it rain in East Hanover in January?
How much does it snow in East Hanover in January?
What is the average length of the day in January in East Hanover?
What time are sunrise and sunset in January in East Hanover?
How long on average sun shines in January in East Hanover?
When is the lowest UV index in East Hanover?
How high is the UV index in January in East Hanover?
Average temperature in January
East Hanover, NJ
- Average high temperature in January: 34.9°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in January: 22.5°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in January
East Hanover, NJ
- Average pressure in January: 30.07"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
East Hanover, NJ
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
East Hanover, NJ
- Average humidity in January: 77%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
East Hanover, NJ
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is July (3.19").
The driest months (with the least rainfall) are January, February and September (1.57").
Average rainfall days in January
East Hanover, NJ
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in January
East Hanover, NJ
- Average snowfall in January: 1.77"
The month with the highest snowfall is March (3.7").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
East Hanover, NJ
- Average snowfall days in January: 6.6 days
The month with the highest number of snowfall days is February (6.8 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
East Hanover, 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 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
East Hanover, NJ
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in January
East Hanover, 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
East Hanover, NJ
- Average cloud cover in January: 46
The months with the most cloud cover are February, March and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in January
East Hanover, NJ
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, July, August, October, November and December (6mi).
The months with the lowest visibility are May, June and September (5mi).
East Hanover, New Jersey, USA
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