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 is the coldest month of the year, registering average temperatures as high as 32.5°F (0.3°C) and as low as 19.8°F (-6.8°C).Humidity
In January, the average relative humidity in East Rochester is 85%.Rainfall
In January, the rain falls for 10 days. Throughout January, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 168.7 rainfall days, and 21.22" (539mm) of precipitation is accumulated.Snowfall
Months with snowfall in East Rochester are January through April, October through December. The month with the most snowfall in East Rochester is January, when snow falls for 17.3 days and typically aggregates up to 3.11" (79mm) of snow.Daylight
In January, the average length of the day is 9h and 39min.On the first day of January in East Rochester, Pennsylvania, sunrise is at 7:44 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:36 pm EST.
Sunshine
The month with the least sunshine in East Rochester is January, with an average of 2.9h of sunshine.UV index
In East Rochester, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the coldest month in East Rochester?
How cold is January in East Rochester?
What is the average humidity in January in East Rochester?
How much does it rain in East Rochester in January?
When does it snow the most in East Rochester?
How many days does it snow in January in East Rochester?
How many hours of daylight does East Rochester have in January?
What time are sunrise and sunset in January in East Rochester?
What is the month with the least sunshine in East Rochester?
How many hours of sunshine does East Rochester have in January?
What is the UV index intensity in January in East Rochester?
Average temperature in January
East Rochester, PA
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
East Rochester, PA
- Average pressure in January: 30.11"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
East Rochester, 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 (4.8mph).
Average humidity in January
East Rochester, PA
- Average humidity in January: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in January
East Rochester, PA
- Average rainfall in January: 1.38"
The wettest month (with the highest rainfall) is June (2.32").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in January
East Rochester, PA
- Average rainfall days in January: 10 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (10 days).
Average snowfall in January
East Rochester, PA
- Average snowfall in January: 3.11"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
East Rochester, PA
- Average snowfall days in January: 17.3 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
East Rochester, 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: 2h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in January
East Rochester, PA
- Average sunshine days in January: 9.7 days
The month with the most sunshine days is November (15.1 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in January
East Rochester, 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
East Rochester, 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 34).
Average visibility in January
East Rochester, 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).
East Rochester, Pennsylvania, USA
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