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 34°F (1.1°C) and a low of 21.6°F (-5.8°C), January stands out as the coldest month.Humidity
In Hellertown, the average relative humidity in January is 78%.Rainfall
In Hellertown, in January, during 7.8 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. In Hellertown, during the entire year, the rain falls for 153 days and collects up to 26.81" (681mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Hellertown, in January, during 7.8 snowfall days, 3.23" (82mm) of snow is typically accumulated. Throughout the year, in Hellertown, there are 26.7 snowfall days, and 14.49" (368mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 40min.On the first day of the month, sunrise is at 7:24 am and sunset at 4:44 pm. On the last day of January, in Hellertown, Pennsylvania, sunrise is at 7:12 am and sunset at 5:17 pm EST.
Sunshine
In January, the average sunshine is 4.7h.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 of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 2 in January leads to these recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
What part of the year is the coldest in Hellertown?
How cold is it in Hellertown in January?
What is the average humidity in January in Hellertown?
How many days does it rain in January in Hellertown?
How much does it snow in Hellertown in January?
What is the average length of the day in January in Hellertown?
What time are sunrise and sunset in January in Hellertown?
How many hours of sunshine does Hellertown have in January?
What are the months with the lowest UV index in Hellertown?
What is the UV index intensity in January in Hellertown?
Average temperature in January
Hellertown, PA
- Average high temperature in January: 34°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Hellertown, 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 (29.94"Hg).
Average wind speed in January
Hellertown, PA
- Average wind speed in January: 8mph
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
Hellertown, PA
- Average humidity in January: 78%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in January
Hellertown, PA
- Average rainfall in January: 1.81"
The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in January
Hellertown, PA
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
Hellertown, PA
- Average snowfall in January: 3.23"
The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hellertown, PA
- Average snowfall days in January: 7.8 days
The months with the highest number of snowfall days are January and February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hellertown, 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 18min).
- 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
Hellertown, PA
- Average sunshine days in January: 18 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).
Average UV index in January
Hellertown, PA
- Average UV index in January: 2
The months with the highest UV index are May, June and July (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
Hellertown, PA
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Hellertown, PA
- Average visibility in January: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
Hellertown, Pennsylvania, USA
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