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, with its average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 19.9°F (-6.7°C), holds the record as the coldest month.Humidity
The average relative humidity in January in Arlington Heights is 80%.Rainfall
In Arlington Heights, Pennsylvania, in January, it is raining for 8.8 days, with typically 2.4" (61mm) of accumulated precipitation. In Arlington Heights, during the entire year, the rain falls for 161.8 days and collects up to 32.24" (819mm) of precipitation.Snowfall
Months with snowfall in Arlington Heights are January through May, October through December. In January, in Arlington Heights, it is snowing for 10.6 days. Throughout January, 4.41" (112mm) of snow is accumulated. Throughout the year, in Arlington Heights, there are 38.6 snowfall days, and 19.76" (502mm) of snow is accumulated.Daylight
In Arlington Heights, the average length of the day in January is 9h and 38min.On the first day of January in Arlington Heights, sunrise is at 7:25 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:16 pm EST.
Sunshine
In January, the average sunshine in Arlington Heights is 4.5h.UV index
The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the coldest time of year in Arlington Heights?
How cold is it in Arlington Heights in January?
What is the average humidity in January in Arlington Heights?
How many days does it rain in January in Arlington Heights?
How many days does it snow in January in Arlington Heights?
What is the average length of the day in January in Arlington Heights?
When are sunrise and sunset in January in Arlington Heights?
How many hours of sunshine does Arlington Heights have in January?
What is the UV index reading in January in Arlington Heights?
Average temperature in January
Arlington Heights, PA
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 19.9°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in January
Arlington Heights, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Arlington Heights, PA
- Average wind speed in January: 8mph
The windiest months (with the highest average wind speed) are January and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Arlington Heights, PA
- Average humidity in January: 80%
The months with the highest relative humidity are February, October and December (82%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in January
Arlington Heights, PA
- Average rainfall in January: 2.4"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Arlington Heights, PA
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in January
Arlington Heights, PA
- Average snowfall in January: 4.41"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Arlington Heights, PA
- Average snowfall days in January: 10.6 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Arlington Heights, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in January
Arlington Heights, PA
- Average sunshine days in January: 15.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is April (11.1 days).
Average UV index in January
Arlington Heights, PA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Arlington Heights, PA
- Average cloud cover in January: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in January
Arlington Heights, PA
- Average visibility in January: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Arlington Heights, Pennsylvania, USA
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