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
During the coldest month, January, temperatures average a high of 30.6°F (-0.8°C) and a low of 18.9°F (-7.3°C).Humidity
The average relative humidity in January is 84%.Rainfall
In Portage, in January, it is raining for 9.3 days, with typically 2.13" (54mm) of accumulated precipitation. In Portage, during the entire year, the rain falls for 165.8 days and collects up to 29.84" (758mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Portage is January, when snow falls for 14.8 days and typically aggregates up to 6.34" (161mm) of snow.Daylight
In January, the average length of the day is 9h and 41min.On the first day of the month, sunrise is at 7:37 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:24 am and sunset at 5:31 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.3h of sunshine.UV index
In Portage, the average daily maximum UV index in January is 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: The maximum daily UV index, 2 in January, converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. 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 is the coldest time of year?
How cold is it in Portage in January?
What is the average humidity in January?
How many days does it rain in January?
What is the snowiest month in Portage?
How many days does it snow in January?
What is the average length of the day in January in Portage?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
What is the UV index intensity in January?
Average temperature in January
Portage, PA
- Average high temperature in January: 30.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in January
Portage, PA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Portage, PA
- Average wind speed in January: 10mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Portage, PA
- Average humidity in January: 84%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in January
Portage, PA
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in January
Portage, PA
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is December (8.8 days).
Average snowfall in January
Portage, PA
- Average snowfall in January: 6.34"
The month with the highest snowfall is January (6.34").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Portage, PA
- Average snowfall days in January: 14.8 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Portage, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in January
Portage, PA
- Average sunshine days in January: 10.1 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in January
Portage, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Portage, PA
- Average cloud cover in January: 69
The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 39).
Average visibility in January
Portage, PA
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Portage, Pennsylvania, USA
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