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, marked by an average high-temperature of 27°F (-2.8°C) and a low-temperature of 15.1°F (-9.4°C), is the coldest month.Humidity
January, February and December, with an average relative humidity of 87%, are the most humid months in Portlandville.Rainfall
In Portlandville, in January, it is raining for 6.8 days, with typically 2.28" (58mm) of accumulated precipitation. In Portlandville, during the entire year, the rain falls for 161.4 days and collects up to 31.26" (794mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Portlandville. In January, in Portlandville, it is snowing for 20.6 days. Throughout January, 9.09" (231mm) of snow is accumulated. In Portlandville, during the entire year, snow falls for 92.9 days and aggregates up to 48.27" (1226mm) of snow.Daylight
In January, the average length of the day in Portlandville is 9h and 29min.On the first day of the month, sunrise is at 7:29 am and sunset at 4:37 pm. On the last day of January, in Portlandville, sunrise is at 7:14 am and sunset at 5:11 pm EST.
Sunshine
The average sunshine in January in Portlandville, New York, is 2.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 1 during January, leads to 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. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Portlandville?
How cold is January in Portlandville?
What is the most humid month in Portlandville?
What is the average humidity in January in Portlandville?
How much does it rain in Portlandville in January?
How much does it snow in Portlandville in January?
What is the average length of the day in January in Portlandville?
What time are sunrise and sunset in January in Portlandville?
How many hours of sunshine does Portlandville have in January?
When is the lowest UV index in Portlandville?
How high is the UV index in January in Portlandville?
Average temperature in January
Portlandville, NY
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in January: 15.1°F
The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in January
Portlandville, 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
Portlandville, NY
- Average wind speed in January: 9.8mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in January
Portlandville, NY
- Average humidity in January: 87%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are April and May (79%).
Average rainfall in January
Portlandville, NY
- Average rainfall in January: 2.28"
The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in January
Portlandville, NY
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in January
Portlandville, NY
- Average snowfall in January: 9.09"
The month with the highest snowfall is February (9.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Portlandville, NY
- Average snowfall days in January: 20.6 days
The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Portlandville, 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 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in January
Portlandville, NY
- Average sunshine days in January: 6.3 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (5.5 days).
Average UV index in January
Portlandville, 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, February, March, November and December (UV index 1).
Average cloud cover in January
Portlandville, NY
- Average cloud cover in January: 74
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 41).
Average visibility in January
Portlandville, NY
- Average visibility in January: 4mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Portlandville, New York, USA
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