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 Marmora's coldest month, with an average high-temperature of 39.9°F (4.4°C) and a low-temperature of 31.3°F (-0.4°C).Humidity
In January, the average relative humidity is 74%.Rainfall
In Marmora, in January, during 6.1 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Marmora, during the entire year, the rain falls for 104.9 days and collects up to 7.48" (190mm) of precipitation.Snowfall
January through March, May and December are months with snowfall. The months with the most snowfall in Marmora are January and February, with an average 0.2" (5mm) of accumulated snow.Daylight
In January, the average length of the day in Marmora is 9h and 47min.On the first day of January in Marmora, New Jersey, sunrise is at 7:18 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in January is 5.4h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Marmora?
Is January cold in Marmora?
What is the average humidity in January in Marmora?
How much does it rain in Marmora in January?
When does it snow the most in Marmora?
How many days does it snow in January in Marmora?
What is the average length of the day in January in Marmora?
What time are sunrise and sunset in January in Marmora?
How long on average sun shines in January in Marmora?
When is the lowest UV index in Marmora?
What is the UV index reading in January in Marmora?
Average temperature in January
Marmora, NJ
- Average high temperature in January: 39.9°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in January: 31.3°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in January
Marmora, NJ
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Marmora, NJ
- Average wind speed in January: 12.5mph
The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in January
Marmora, NJ
- Average humidity in January: 74%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in January
Marmora, NJ
- Average rainfall in January: 0.39"
The wettest months (with the highest rainfall) are May and August (0.79").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in January
Marmora, NJ
- Average rainfall days in January: 6.1 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is November (5.7 days).
Average snowfall in January
Marmora, NJ
- Average snowfall in January: 0.2"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in January
Marmora, NJ
- Average snowfall days in January: 2.5 days
The month with the highest number of snowfall days is February (2.7 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
Marmora, NJ
- Average daylight in January: 9h and 5min
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 30min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Marmora, NJ
- Average sunshine days in January: 22.9 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is July (15.1 days).
Average UV index in January
Marmora, 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 and December (UV index 2).
Average cloud cover in January
Marmora, NJ
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in January
Marmora, 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).
Marmora, New Jersey, USA
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