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 stands out as Butler's coldest month, with temperatures ranging between an average high of 31.6°F (-0.2°C) and a low of 19.8°F (-6.8°C).Humidity
In Butler, the average relative humidity in January is 86%.Rainfall
In Butler, during January, the rain falls for 8.6 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Butler, Pennsylvania, during the entire year, the rain falls for 162.5 days and collects up to 26.02" (661mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Butler, Pennsylvania. In Butler, in January, during 17 snowfall days, 3.78" (96mm) of snow is typically accumulated. In Butler, Pennsylvania, during the entire year, snow falls for 58.1 days and aggregates up to 14.41" (366mm) of snow.Daylight
In January, the average length of the day in Butler is 9h and 38min.On the first day of the month, sunrise is at 7:43 am and sunset at 5:02 pm. On the last day of January, sunrise is at 7:30 am and sunset at 5:35 pm EST.
Sunshine
January has the least sunshine of the year in Butler, with an average of 2.7h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In January, the maximum UV index of 2 translates into these guidelines:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What time of the year is the coldest in Butler?
How cold is it in Butler in January?
What is the average humidity in January in Butler?
How many days does it rain in January in Butler?
How much does it snow in Butler in January?
What is the average length of the day in January in Butler?
When is the sunrise / sunset in January in Butler?
What is the month with the least sunshine in Butler?
How long on average sun shines in January in Butler?
How high is the UV index in January in Butler?
Average temperature in January
Butler, PA
- Average high temperature in January: 31.6°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Butler, PA
- Average pressure in January: 30.1"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
Butler, PA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in January
Butler, PA
- Average humidity in January: 86%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in January
Butler, PA
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in January
Butler, PA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in January
Butler, PA
- Average snowfall in January: 3.78"
The month with the highest snowfall is February (3.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Butler, PA
- Average snowfall days in January: 17 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Butler, 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: 2h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in January
Butler, PA
- Average sunshine days in January: 10 days
The month with the most sunshine days is November (15.4 days).
The month with the least sunshine days is February (9 days).
Average UV index in January
Butler, PA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Butler, PA
- Average cloud cover in January: 72
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in January
Butler, PA
- Average visibility in January: 4mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Butler, Pennsylvania, USA
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