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
Portageville's coldest weather arrives in January, when temperatures average a high of 28.2°F (-2.1°C) and a low of 16.5°F (-8.6°C).Humidity
In Portageville, the average relative humidity in January is 86%.Rainfall
In Portageville, in January, during 7.3 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 165.3 rainfall days, and 24.09" (612mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 19 days. Throughout January, 6.22" (158mm) of snow is accumulated. In Portageville, during the entire year, snow falls for 83.5 days and aggregates up to 30.98" (787mm) of snow.Daylight
In Portageville, the average length of the day in January is 9h and 29min.On the first day of January, sunrise is at 7:41 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:23 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 2.7h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In January, an average UV index of 1 transforms into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Around midday, solar radiation is most harmful; hence, exposure should be limited. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be vigilant! The reflective nature of snow can increase 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?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Portageville have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Portageville, NY
- Average high temperature in January: 28.2°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in January: 16.5°F
The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in January
Portageville, NY
- 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
Portageville, NY
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in January
Portageville, NY
- Average humidity in January: 86%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (77%).
Average rainfall in January
Portageville, NY
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is October (2.64").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in January
Portageville, NY
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (7 days).
Average snowfall in January
Portageville, NY
- Average snowfall in January: 6.22"
The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Portageville, NY
- Average snowfall days in January: 19 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Portageville, NY
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in January
Portageville, NY
- Average sunshine days in January: 7.9 days
The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is February (6.4 days).
Average UV index in January
Portageville, NY
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Portageville, NY
- Average cloud cover in January: 75
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Portageville, NY
- Average visibility in January: 4mi
The months with the highest visibility are April, May and June (6mi).
The month with the lowest visibility is January (4mi).
Portageville, New York, USA
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