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
Port Jervis's coldest month, January, generally records average temperatures ranging from a high of 32°F (0°C) to a low of 18.9°F (-7.3°C).Humidity
In January, the average relative humidity is 80%.Rainfall
January is the month with the least rainfall in Port Jervis. Rain falls for 8.6 days and accumulates 1.02" (26mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Port Jervis, during January, snow falls for 9.9 days and regularly aggregates up to 2.72" (69mm) of snow. Throughout the year, there are 36.1 snowfall days, and 9.8" (249mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 35min.On the first day of the month, sunrise is at 7:24 am and sunset at 4:39 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:13 pm EST.
Sunshine
The average sunshine in January is 4.6h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in January?
What is the average humidity in January?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January in Port Jervis?
What time are sunrise and sunset in January in Port Jervis?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Port Jervis, NY
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Port Jervis, NY
- Average pressure in January: 30.06"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
Port Jervis, NY
- Average wind speed in January: 7.5mph
The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Port Jervis, NY
- Average humidity in January: 80%
The months with the highest relative humidity are February and December (83%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in January
Port Jervis, NY
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in January
Port Jervis, NY
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is May (16.7 days).
The months with the least rainy days are January and February (8.6 days).
Average snowfall in January
Port Jervis, NY
- Average snowfall in January: 2.72"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Port Jervis, NY
- Average snowfall days in January: 9.9 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Port Jervis, NY
- 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 12min).
- Average sunshine in January: 4h and 4min
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 12min).
Average sunshine days in January
Port Jervis, NY
- Average sunshine days in January: 15.9 days
The month with the most sunshine days is October (17.4 days).
The months with the least sunshine days are April and May (11.8 days).
Average UV index in January
Port Jervis, NY
- Average UV index in January: 2
The month with the highest UV index is June (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
Port Jervis, NY
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in January
Port Jervis, NY
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Port Jervis, New York, USA
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