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, known for its average high temperature of 37.4°F (3°C) and an average low temperature of 25.2°F (-3.8°C), is the coldest month.Humidity
In January, the average relative humidity is 74%.Rainfall
The month with the least rainfall in Bryn Athyn is January, when the rain falls for 7.9 days and typically collects 1.89" (48mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. In Bryn Athyn, in January, snow falls for 5.2 days, with typically accumulated 1.61" (41mm) of snow. In Bryn Athyn, during the entire year, snow falls for 16.8 days and aggregates up to 8.5" (216mm) of snow.Daylight
In January, the average length of the day is 9h and 42min.On the first day of the month, sunrise is at 7:22 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:10 am and sunset at 5:17 pm EST.
Sunshine
In Bryn Athyn, the average sunshine in January is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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?
What is the driest month?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Bryn Athyn have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Bryn Athyn have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Bryn Athyn, PA
- Average high temperature in January: 37.4°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in January: 25.2°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in January
Bryn Athyn, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Bryn Athyn, PA
- Average wind speed in January: 8.2mph
The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in January
Bryn Athyn, PA
- Average humidity in January: 74%
The months with the highest relative humidity are February and October (77%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall in January
Bryn Athyn, PA
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in January
Bryn Athyn, PA
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in January
Bryn Athyn, PA
- Average snowfall in January: 1.61"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Bryn Athyn, 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 June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Bryn Athyn, 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: 5h and 0min
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 42min).
Average sunshine days in January
Bryn Athyn, PA
- Average sunshine days in January: 19.5 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in January
Bryn Athyn, 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
Bryn Athyn, 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 33).
Average visibility in January
Bryn Athyn, 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).
Bryn Athyn, Pennsylvania, USA
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