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 Morris Plains's coldest month, with an average high-temperature of 34.9°F (1.6°C) and a low-temperature of 22.5°F (-5.3°C).Humidity
The average relative humidity in January in Morris Plains is 77%.Rainfall
The months with the least rainfall in Morris Plains are January, February and September Rain falls for 8.3 days and accumulates 1.57" (40mm) of rain.Snowfall
Months with snowfall are January through May, November and December. In Morris Plains, in January, snow falls for 6.6 days, with typically accumulated 1.77" (45mm) of snow. Throughout the year, there are 24 snowfall days, and 9.72" (247mm) of snow is accumulated.Daylight
In Morris Plains, the average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:40 pm. On the last day of January, in Morris Plains, New Jersey, sunrise is at 7:09 am and sunset at 5:13 pm EST.
Sunshine
In Morris Plains, the average sunshine in January is 4.9h.UV index
The months with the lowest UV index in Morris Plains 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 health risk from unsafe exposure to UV radiation for the ordinary person.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What month is the coldest in Morris Plains?
How cold is it in Morris Plains in January?
What is the average humidity in January in Morris Plains?
What is the driest month in Morris Plains?
How much does it rain in Morris Plains in January?
How many days does it snow in January in Morris Plains?
How many hours of daylight does Morris Plains have in January?
When is the sunrise / sunset in January in Morris Plains?
How long on average sun shines in January in Morris Plains?
What are the months with the lowest UV index in Morris Plains?
What is the UV index intensity in January in Morris Plains?
Average temperature in January
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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
Morris Plains, 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).
Morris Plains, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location
