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 is the coldest month of the year, registering average temperatures as high as 35.2°F (1.8°C) and as low as 22.8°F (-5.1°C).Humidity
In Boyertown, the average relative humidity in January is 77%.Rainfall
January is the month with the least rainfall in Boyertown. Rain falls for 5.7 days and accumulates 0.87" (22mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Boyertown, during January, snow falls for 4.8 days and regularly aggregates up to 1.06" (27mm) of snow. Throughout the year, there are 17 snowfall days, and 5.43" (138mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 41min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:46 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:19 pm EST.
Sunshine
The average sunshine in January in Boyertown is 4.7h.UV index
The months with the lowest UV index in Boyertown, Pennsylvania, are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What time of the year is the coldest in Boyertown?
How cold is it in Boyertown in January?
What is the average humidity in January in Boyertown?
What is the driest month in Boyertown?
How many days does it rain in January in Boyertown?
How many days does it snow in January in Boyertown?
What is the average length of the day in January in Boyertown?
When are sunrise and sunset in January in Boyertown?
How long on average sun shines in January in Boyertown?
What are the months with the lowest UV index in Boyertown?
How high is the UV index in January in Boyertown?
Average temperature in January
Boyertown, PA
- Average high temperature in January: 35.2°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 (35.2°F).
- Average low temperature in January: 22.8°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in January
Boyertown, 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
Boyertown, 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
Boyertown, 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
Boyertown, PA
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in January
Boyertown, PA
- Average rainfall days in January: 5.7 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in January
Boyertown, PA
- Average snowfall in January: 1.06"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Boyertown, PA
- Average snowfall days in January: 4.8 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Boyertown, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Boyertown, PA
- Average sunshine days in January: 20.7 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in January
Boyertown, 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
Boyertown, PA
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in January
Boyertown, 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).
Boyertown, Pennsylvania, USA
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