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
In Downingtown, the lowest temperatures are generally noted in January, averaging a high of 35.4°F (1.9°C) and a low of 23.7°F (-4.6°C).Humidity
The average relative humidity in January in Downingtown is 77%.Rainfall
In Downingtown, in January, it is raining for 6.7 days, with typically 1.77" (45mm) of accumulated precipitation. In Downingtown, during the entire year, the rain falls for 145.6 days and collects up to 26.81" (681mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Downingtown. In Downingtown, in January, snow falls for 4.6 days, with typically accumulated 2.32" (59mm) of snow. Throughout the year, in Downingtown, there are 17.2 snowfall days, and 10.47" (266mm) of snow is accumulated.Daylight
The average length of the day in January in Downingtown is 9h and 43min.On the first day of January, sunrise is at 7:24 am and sunset at 4:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:20 pm EST.
Sunshine
The average sunshine in January in Downingtown 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 in Downingtown. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In January, the maximum UV index of 2 suggests this advice:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What part of the year is the coldest in Downingtown?
How cold is January in Downingtown?
What is the average humidity in January in Downingtown?
How much does it rain in Downingtown in January?
How many days does it snow in January in Downingtown?
What is the average length of the day in January in Downingtown?
When is the sunrise / sunset in January in Downingtown?
How long on average sun shines in January in Downingtown?
What are the months with the lowest UV index in Downingtown?
What is the UV index intensity in January in Downingtown?
Average temperature in January
Downingtown, PA
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 23.7°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in January
Downingtown, PA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Downingtown, PA
- Average wind speed in January: 8.5mph
The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Downingtown, PA
- Average humidity in January: 77%
The months with the highest relative humidity are February, May and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Downingtown, PA
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in January
Downingtown, PA
- Average rainfall days in January: 6.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in January
Downingtown, PA
- Average snowfall in January: 2.32"
The month with the highest snowfall is March (3.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Downingtown, PA
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Downingtown, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Downingtown, PA
- Average sunshine days in January: 20.1 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in January
Downingtown, 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
Downingtown, PA
- Average cloud cover in January: 47
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
Downingtown, 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).
Downingtown, Pennsylvania, USA
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