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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in East Rochester, Pennsylvania, is an icy winter month, with temperature in the range of an average high of 32.5°F (0.3°C) and an average low of 19.8°F (-6.8°C). With its high average temperature of 32.5°F (0.3°C) and a low of 19.8°F (-6.8°C), January is regarded as the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in East Rochester, Pennsylvania, with an average temperature ranging between min 21.9°F (-5.6°C) and max 36.9°F (2.7°C). East Rochester experiences a recorded average high-temperature of a still cold 36.9°F (2.7°C) in February, closely aligned with January's 32.5°F (0.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in East Rochester, Pennsylvania, with an average temperature varying between 46.9°F (8.3°C) and 30.2°F (-1°C). East Rochester in March sees a temperature change, with average high-temperatures moving from an icy 36.9°F (2.7°C) in February to a chilly 46.9°F (8.3°C). Weather in March »
Weather in April
April in East Rochester, Pennsylvania, is a mild spring month, with an average temperature fluctuating between 59.5°F (15.3°C) and 39.9°F (4.4°C). An escalation in the average high-temperature is seen with the onset of April, moving from a frosty 46.9°F (8.3°C) in March to a moderate 59.5°F (15.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in East Rochester, Pennsylvania, with an average temperature varying between 50.2°F (10.1°C) and 71.2°F (21.8°C). East Rochester's May weather shows an increase in high-temperatures, moving from April's mild 59.5°F (15.3°C) to a pleasant 71.2°F (21.8°C). Weather in May »
Weather in June
June, the first month of the summer in East Rochester, is a warm month, with an average temperature varying between 56.8°F (13.8°C) and 78.3°F (25.7°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from an agreeable 71.2°F (21.8°C) in May to a moderately hot 78.3°F (25.7°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in East Rochester, Pennsylvania, with an average temperature ranging between min 61.3°F (16.3°C) and max 82.8°F (28.2°C). July, characterized by an average high temperature of 82.8°F (28.2°C) and a low temperature of 61.3°F (16.3°C), is generally the warmest month. For most parts of July, the heat index is appraised at a tropical 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in East Rochester, Pennsylvania, with an average temperature varying between 81.1°F (27.3°C) and 59.5°F (15.3°C). With August's arrival, East Rochester's weather records an average high-temperature of a still moderately hot 81.1°F (27.3°C), marking little difference from July's 82.8°F (28.2°C). Weather in August »
Weather in September
September, the first month of the autumn in East Rochester, is also a moderately hot month, with temperature in the range of an average low of 54.7°F (12.6°C) and an average high of 74.7°F (23.7°C). The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 81.1°F (27.3°C) in August to a still moderately hot 74.7°F (23.7°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in East Rochester, Pennsylvania, with an average temperature varying between 61.3°F (16.3°C) and 45.1°F (7.3°C). With October's onset, the weather shows a temperature decrease, transitioning from a warm 74.7°F (23.7°C) in September to an enjoyable 61.3°F (16.3°C). Weather in October »
Weather in November
November, the last month of the autumn in East Rochester, is also a frosty month, with an average temperature fluctuating between 48.6°F (9.2°C) and 33.4°F (0.8°C). A shift in the average high-temperature occurs in November, reducing from an enjoyable 61.3°F (16.3°C) in October to a chilly 48.6°F (9.2°C). Weather in November »
Weather in December
December, the first month of the winter in East Rochester, is still a cold month, with an average temperature ranging between min 27.5°F (-2.5°C) and max 38.5°F (3.6°C). December brings a decrease in the average high-temperature, shifting from a chilly 48.6°F (9.2°C) in November to a cold 38.5°F (3.6°C). Weather in December »
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in East Rochester?
January, recording an average high temperature of 32.5°F (0.3°C) and a low temperature of 19.8°F (-6.8°C), is East Rochester's coldest month.
How much does it rain?
Throughout the year, there are 168.7 rainfall days, and 21.22" (539mm) of precipitation is accumulated.
When does it snow in East Rochester?
January through April, October through December are months with snowfall.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 17.3 days and accumulates 3.11" (79mm) of snow.
How much does it snow?
In East Rochester, during the entire year, snow falls for 60.6 days and aggregates up to 11.93" (303mm) of snow.
What is the month with the least sunshine?
The month with the least sunshine is January, with an average of 2.9h of sunshine.
What is the most humid month?
The most humid month is February, with an average relative humidity of 86%.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What are the least humid months?
April, July and August, with an average relative humidity of 77%, are the least humid months.
When it does not snow?
May through September are months without snowfall.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 16.1 days and typically aggregates up to 2.32" (59mm) of precipitation.
When are the longest days?
June has the longest days of the year in East Rochester, with an average of 15h and 0min of daylight.
What are the months with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What are the warmest months?
With average high and low temperatures of 82.8°F (28.2°C) and 61.3°F (16.3°C) respectively, July is East Rochester's warmest month.
What month has the most sunshine?
The month with the most sunshine is August, with an average of 10.2h of sunshine.
What is the driest month?
The month with the least rainfall is November, when the rain falls for 10.8 days and typically collects 1.1" (28mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
When is the lowest UV index in East Rochester?
With an average maximum UV index of 1, December is the month with the lowest UV index.
Average temperature
East Rochester, PA
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).
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
East Rochester, PA
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.99"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
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
East Rochester, PA
- Average wind speed in January:
8.1mph - Average wind speed in February:
7.6mph - Average wind speed in March:
7.3mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.1mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
4.8mph - Average wind speed in August:
4.8mph - Average wind speed in September:
5.3mph - Average wind speed in October:
6.5mph - Average wind speed in November:
7mph - Average wind speed in December:
7.4mph
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
East Rochester, PA
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
East Rochester, PA
- Average rainfall in January:
1.38" - Average rainfall in February:
1.38" - Average rainfall in March:
1.5" - Average rainfall in April:
2.2" - Average rainfall in May:
2.2" - Average rainfall in June:
2.32"
- Average rainfall in July:
2.09" - Average rainfall in August:
1.65" - Average rainfall in September:
1.77" - Average rainfall in October:
2.05" - Average rainfall in November:
1.1" - Average rainfall in December:
1.57"
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
East Rochester, PA
- Average rainfall days in January:
10 days - Average rainfall days in February:
10.5 days - Average rainfall days in March:
13.3 days - Average rainfall days in April:
16.6 days - Average rainfall days in May:
18.1 days - Average rainfall days in June:
16.1 days
- Average rainfall days in July:
17.2 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
15 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
11.5 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
East Rochester, PA
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
East Rochester, PA
- Average snowfall days in January:
17.3 days - Average snowfall days in February:
14.7 days - Average snowfall days in March:
8.1 days - Average snowfall days in April:
2.5 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.2 days - Average snowfall days in November:
5.6 days - Average snowfall days in December:
12 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 / Average sunshine
East Rochester, PA
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 - Average sunshine in February:
3h and 3min - Average sunshine in March:
5h and 2min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 2min - Average sunshine in October:
5h and 1min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 2min
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
East Rochester, PA
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
8.3 days - Average sunshine days in March:
10.9 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
11.7 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
13 days - Average sunshine days in November:
15.1 days - Average sunshine days in December:
10.6 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
East Rochester, PA
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
East Rochester, PA
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
East Rochester, PA
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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