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 35.1°F (1.7°C) and a low of 22.5°F (-5.3°C).Humidity
The average relative humidity in January is 77%.Rainfall
In Spinnerstown, during January, the rain falls for 8 days and regularly aggregates up to 2.01" (51mm) of precipitation. Throughout the year, there are 155.5 rainfall days, and 28.15" (715mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In January, it is snowing for 8.5 days. Throughout January, 3.11" (79mm) of snow is accumulated. In Spinnerstown, during the entire year, snow falls for 27 days and aggregates up to 12.52" (318mm) of snow.Daylight
The average length of the day in January is 9h and 41min.On the first day of the month, sunrise is at 7:24 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:18 pm EST.
Sunshine
In January, the average sunshine is 4.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in January interprets into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
How cold is January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
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
Spinnerstown, PA
- Average high temperature in January: 35.1°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in January: 22.5°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in January
Spinnerstown, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Spinnerstown, PA
- Average wind speed in January: 7.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Spinnerstown, PA
- Average humidity in January: 77%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (75%).
Average rainfall in January
Spinnerstown, PA
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is July (2.83").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in January
Spinnerstown, PA
- Average rainfall days in January: 8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8 days).
Average snowfall in January
Spinnerstown, PA
- Average snowfall in January: 3.11"
The month with the highest snowfall is March (3.86").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Spinnerstown, PA
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Spinnerstown, 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: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Spinnerstown, PA
- Average sunshine days in January: 16.7 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is April (12 days).
Average UV index in January
Spinnerstown, PA
- Average UV index in January: 2
The months with the highest UV index are May, June and July (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
Spinnerstown, PA
- Average cloud cover in January: 48
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Spinnerstown, PA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, June, July, August and November (6mi).
The months with the lowest visibility are January, February, May, September, October and December (5mi).
Spinnerstown, Pennsylvania, USA
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