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 Mill Run, Pennsylvania, the month of January is known for its lowest average temperatures, reaching a high of 34°F (1.1°C) and a low of 20.5°F (-6.4°C).Humidity
The months with the highest humidity in Mill Run are January and February, with an average relative humidity of 85%.Rainfall
In Mill Run, Pennsylvania, in January, it is raining for 8.9 days, with typically 1.42" (36mm) of accumulated precipitation. In Mill Run, during the entire year, the rain falls for 150.7 days and collects up to 16.65" (423mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 15.9 days and typically aggregates up to 4.29" (109mm) of snow.Daylight
The average length of the day in January in Mill Run, Pennsylvania, is 9h and 43min.On the first day of January, sunrise is at 7:39 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:35 pm EST.
Sunshine
With an average of 2.9h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 in January translates into this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the coldest month in Mill Run?
How cold is it in Mill Run in January?
What is the most humid month in Mill Run?
What is the average humidity in January in Mill Run?
How much does it rain in Mill Run in January?
When does it snow the most in Mill Run?
How much does it snow in Mill Run in January?
What is the average length of the day in January in Mill Run?
What time are sunrise and sunset in January in Mill Run?
What is the month with the least sunshine in Mill Run?
How long on average sun shines in January in Mill Run?
When is the lowest UV index in Mill Run?
How high is the UV index in January in Mill Run?
Average temperature in January
Mill Run, PA
- Average high temperature in January: 34°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in January: 20.5°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in January
Mill Run, PA
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Mill Run, PA
- Average wind speed in January: 8.4mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Mill Run, PA
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in January
Mill Run, PA
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (1.97").
The driest months (with the least rainfall) are September and November (0.91").
Average rainfall days in January
Mill Run, PA
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in January
Mill Run, PA
- Average snowfall in January: 4.29"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Mill Run, PA
- Average snowfall days in January: 15.9 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Mill Run, 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: 2h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
Mill Run, PA
- Average sunshine days in January: 8.6 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is January (8.6 days).
Average UV index in January
Mill Run, PA
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Mill Run, PA
- Average cloud cover in January: 70
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in January
Mill Run, PA
- Average visibility in January: 4mi
The month with the highest visibility is April (6mi).
The month with the lowest visibility is January (4mi).
Mill Run, Pennsylvania, USA
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