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 lowest temperatures are recorded in January, with averages reaching a high of 36.7°F (2.6°C) and a low of 25°F (-3.9°C).Humidity
The average relative humidity in January is 75%.Rainfall
January is the month with the least rainfall in Bryn Mawr, Pennsylvania. Rain falls for 5.3 days and accumulates 0.55" (14mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In January, it is snowing for 4.5 days. Throughout January, 0.87" (22mm) of snow is accumulated. In Bryn Mawr, during the entire year, snow falls for 15.1 days and aggregates up to 3.66" (93mm) of snow.Daylight
In January, the average length of the day is 9h and 43min.On the first day of January in Bryn Mawr, sunrise is at 7:23 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 5:18 pm EST.
Sunshine
In Bryn Mawr, the average sunshine in January is 4.8h.UV index
January, February, 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 low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What part of the year is the coldest in Bryn Mawr?
How cold is January in Bryn Mawr?
What is the average humidity in January in Bryn Mawr?
What is the driest month in Bryn Mawr?
How much does it rain in Bryn Mawr in January?
How much does it snow in Bryn Mawr in January?
How many hours of daylight does Bryn Mawr have in January?
When is the sunrise / sunset in January in Bryn Mawr?
How many hours of sunshine does Bryn Mawr have in January?
What are the months with the lowest UV index in Bryn Mawr?
How high is the UV index in January in Bryn Mawr?
Average temperature in January
Bryn Mawr, PA
- Average high temperature in January: 36.7°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in January: 25°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°F).
Average pressure in January
Bryn Mawr, 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
Bryn Mawr, PA
- Average wind speed in January: 8.2mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Bryn Mawr, PA
- Average humidity in January: 75%
The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall in January
Bryn Mawr, PA
- Average rainfall in January: 0.55"
The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in January
Bryn Mawr, PA
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in January
Bryn Mawr, PA
- Average snowfall in January: 0.87"
The months with the highest snowfall are February and March (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Bryn Mawr, PA
- Average snowfall days in January: 4.5 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Bryn Mawr, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Bryn Mawr, PA
- Average sunshine days in January: 21.9 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index in January
Bryn Mawr, 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, November and December (UV index 2).
Average cloud cover in January
Bryn Mawr, PA
- Average cloud cover in January: 46
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Bryn Mawr, PA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Bryn Mawr, Pennsylvania, USA
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