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
The coldest time of the year is January, with temperatures averaging a high of 36.7°F (2.6°C) and a low of 24.3°F (-4.3°C).Humidity
In Plymouth Meeting, the average relative humidity in January is 76%.Rainfall
In Plymouth Meeting, Pennsylvania, in January, it is raining for 7.8 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, in Plymouth Meeting, there are 138.2 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
January through March, May and December are months with snowfall. In Plymouth Meeting, in January, during 5.2 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Plymouth Meeting, during the entire year, snow falls for 15.8 days and aggregates up to 2.13" (54mm) of snow.Daylight
In Plymouth Meeting, the average length of the day in January is 9h and 43min.On the first day of the month, sunrise is at 7:23 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:18 pm EST.
Sunshine
The average sunshine in January is 4.9h.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 reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: A daily maximum UV index of 2 in January translates into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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 time of the year is the coldest?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Plymouth Meeting have in January?
When are sunrise and sunset in January?
How long on average sun shines in January in Plymouth Meeting?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Plymouth Meeting, PA
- Average high temperature in January: 36.7°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Plymouth Meeting, 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
Plymouth Meeting, PA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in January
Plymouth Meeting, PA
- Average humidity in January: 76%
The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).
Average rainfall in January
Plymouth Meeting, PA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in January
Plymouth Meeting, PA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in January
Plymouth Meeting, PA
- Average snowfall in January: 0.51"
The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in January
Plymouth Meeting, PA
- Average snowfall days in January: 5.2 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Plymouth Meeting, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Plymouth Meeting, PA
- Average sunshine days in January: 20.2 days
The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).
Average UV index in January
Plymouth Meeting, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (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
Plymouth Meeting, PA
- Average cloud cover in January: 45
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Plymouth Meeting, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Plymouth Meeting, Pennsylvania, USA
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