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
With average temperatures fluctuating between a high of 33.6°F (0.9°C) and a low of 21.7°F (-5.7°C), January stands out as the coldest month.Humidity
In January, the average relative humidity in Schaefferstown is 78%.Rainfall
In Schaefferstown, Pennsylvania, during January, the rain falls for 9.3 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Schaefferstown, there are 168.8 rainfall days, and 33.27" (845mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Schaefferstown, in January, snow falls for 9.2 days, with typically accumulated 3.98" (101mm) of snow. In Schaefferstown, during the entire year, snow falls for 29.6 days and aggregates up to 15.59" (396mm) of snow.Daylight
In January, the average length of the day in Schaefferstown is 9h and 41min.On the first day of January, sunrise is at 7:27 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 5:21 pm EST.
Sunshine
In January, the average sunshine in Schaefferstown is 4.6h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Schaefferstown, Pennsylvania. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 transforms into these recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What are the coldest months in Schaefferstown?
How cold is it in Schaefferstown in January?
What is the average humidity in January in Schaefferstown?
How many days does it rain in January in Schaefferstown?
How many days does it snow in January in Schaefferstown?
What is the average length of the day in January in Schaefferstown?
What time are sunrise and sunset in January in Schaefferstown?
How many hours of sunshine does Schaefferstown have in January?
When is the lowest UV index in Schaefferstown?
How high is the UV index in January in Schaefferstown?
Average temperature in January
Schaefferstown, PA
- Average high temperature in January: 33.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (33.6°F).
- Average low temperature in January: 21.7°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in January
Schaefferstown, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Schaefferstown, PA
- Average wind speed in January: 8.5mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Schaefferstown, PA
- Average humidity in January: 78%
The months with the highest relative humidity are February, May and October (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Schaefferstown, PA
- Average rainfall in January: 2.52"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in January
Schaefferstown, PA
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in January
Schaefferstown, PA
- Average snowfall in January: 3.98"
The month with the highest snowfall is March (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Schaefferstown, PA
- Average snowfall days in January: 9.2 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Schaefferstown, 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 24min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Schaefferstown, PA
- Average sunshine days in January: 15.4 days
The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (10.2 days).
Average UV index in January
Schaefferstown, PA
- 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
Schaefferstown, PA
- Average cloud cover in January: 49
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Schaefferstown, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, June, July, November and December (6mi).
The months with the lowest visibility are February, May, August, September and October (5mi).
Schaefferstown, Pennsylvania, USA
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