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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, the same as December, in Rochester, Vermont, is another subzero cold winter month, with an average temperature varying between 23.4°F (-4.8°C) and 10.9°F (-11.7°C). In Rochester, the lowest temperatures are generally noted in January, averaging a high of 23.4°F (-4.8°C) and a low of 10.9°F (-11.7°C). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Rochester, Vermont, with an average temperature ranging between max 26.2°F (-3.2°C) and min 12.6°F (-10.8°C). As January transitions into February, Rochester records an average high-temperature of a still freezing cold 26.2°F (-3.2°C), showing a gentle shift from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Rochester, is an icy month, with an average temperature ranging between min 21°F (-6.1°C) and max 34.3°F (1.3°C). Rochester in March experiences a slight uptick in the average high-temperature, adjusting from February's freezing cold 26.2°F (-3.2°C) to an icy 34.3°F (1.3°C). Weather in March »
Weather in April
April is a frosty spring month in Rochester, Vermont, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 32.2°F (0.1°C). Rochester witnesses a significant increase in the average high-temperature with the arrival of April, rising from March's icy 34.3°F (1.3°C) to a chilly 49.1°F (9.5°C). Weather in April »
Weather in May
May, the last month of the spring in Rochester, is a refreshing month, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 43.9°F (6.6°C). May's arrival witnesses a distinct rise in the average high-temperature, advancing from April's chilly 49.1°F (9.5°C) to a comfortable 63.9°F (17.7°C). Weather in May »
Weather in June
June, the first month of the summer in Rochester, is an agreeable month, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 70.3°F (21.3°C). The shift from May to June introduces a subtle increase in the average high-temperature, moving from a refreshing 63.9°F (17.7°C) to a pleasant 70.3°F (21.3°C). Weather in June »
Weather in July
July is a moderately hot summer month in Rochester, Vermont, with an average temperature fluctuating between 77°F (25°C) and 56.8°F (13.8°C). Rochester's warmest month, July, generally records average temperatures ranging from a high of 77°F (25°C) to a low of 56.8°F (13.8°C). Weather in July »
Weather in August
August, the last month of the summer in Rochester, is another warm month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 75°F (23.9°C). August records an average high-temperature of a still moderately hot 75°F (23.9°C), indicating a minor variation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Rochester, is also an enjoyable month, with an average temperature varying between 67.8°F (19.9°C) and 48.6°F (9.2°C). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's moderately hot 75°F (23.9°C) to an enjoyable 67.8°F (19.9°C). Weather in September »
Weather in October
October, the same as September, is a cool autumn month in Rochester, Vermont, with an average temperature ranging between max 53.6°F (12°C) and min 39°F (3.9°C). October weather is marked by a drop in the average high-temperature, falling from a refreshing 67.8°F (19.9°C) in September to a fresh 53.6°F (12°C). Weather in October »
Weather in November
The last month of the autumn, November, is also an icy month in Rochester, Vermont, with an average temperature fluctuating between 40.1°F (4.5°C) and 28°F (-2.2°C). The onset of November is marked by a decrease in temperature, transitioning from a cool 53.6°F (12°C) in October to a wintry 40.1°F (4.5°C). Weather in November »
Weather in December
December, the first month of the winter in Rochester, is still a freezing cold month, with an average temperature varying between 28.9°F (-1.7°C) and 18.7°F (-7.4°C). The arrival of December corresponds with a shift in temperature, down from a cold 40.1°F (4.5°C) in November to a freezing cold 28.9°F (-1.7°C). Weather in December »
Updated: Aug 1, 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 time of the year is the coldest?
January brings the lowest temperatures, with an average high of 23.4°F (-4.8°C) and an average low of 10.9°F (-11.7°C).
What is the most humid month?
The most humid month is January, with an average relative humidity of 89%.
How much does it rain?
Throughout the year, there are 110.1 rainfall days, and 15.55" (395mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
In Rochester, during the entire year, snow falls for 86.6 days and aggregates up to 36.97" (939mm) of snow.
When is the lowest UV index?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 16.3 days and accumulates 7.05" (179mm) of snow.
What is the month with the least sunshine?
With an average of 2.6h of sunshine, February has the least sunshine of the year.
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?
The months with the lowest humidity are April and May, with an average relative humidity of 77%.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 13.4 days and typically aggregates up to 1.73" (44mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 24min of daylight, June has the longest days of the year.
What are the months with the highest UV index?
The months with the highest UV index are June through August, with an average maximum UV index of 5.
What is the hottest time of year?
Rochester reaches its average highest temperatures in July, measuring 77°F (25°C) at the peak and 56.8°F (13.8°C) at the lowest.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 9.7h of sunshine.
What is the driest month in Rochester?
The month with the least rainfall is September, when the rain falls for 9.5 days and typically collects 0.83" (21mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 0min of daylight.
Average temperature
Rochester, VT
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (23.4°F).
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure
Rochester, VT
- Average pressure in January:
30.02"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Rochester, VT
- Average wind speed in January:
7.3mph - Average wind speed in February:
7.1mph - Average wind speed in March:
7.2mph - Average wind speed in April:
7.5mph - Average wind speed in May:
6.6mph - Average wind speed in June:
5.9mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.3mph - Average wind speed in September:
5.7mph - Average wind speed in October:
6.3mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.8mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity
Rochester, VT
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall
Rochester, VT
- Average rainfall in January:
0.98" - Average rainfall in February:
1.14" - Average rainfall in March:
1.1" - Average rainfall in April:
1.38" - Average rainfall in May:
1.69" - Average rainfall in June:
1.73"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.38" - Average rainfall in September:
0.83" - Average rainfall in October:
1.54" - Average rainfall in November:
1.14" - Average rainfall in December:
1.22"
The wettest month (with the highest rainfall) is June (1.73").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days
Rochester, VT
- Average rainfall days in January:
3.6 days - Average rainfall days in February:
3.4 days - Average rainfall days in March:
6.9 days - Average rainfall days in April:
10.9 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
13.4 days
- Average rainfall days in July:
13.1 days - Average rainfall days in August:
13 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
5 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (3.4 days).
Average snowfall
Rochester, VT
- Average snowfall in January:
5.47" - Average snowfall in February:
7.05" - Average snowfall in March:
5.71" - Average snowfall in April:
4.53" - Average snowfall in May:
1.57" - Average snowfall in June:
0"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rochester, VT
- Average snowfall days in January:
16.4 days - Average snowfall days in February:
16.3 days - Average snowfall days in March:
15.2 days - Average snowfall days in April:
9.2 days - Average snowfall days in May:
2.1 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:
3.5 days - Average snowfall days in November:
8.5 days - Average snowfall days in December:
15.4 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rochester, VT
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 3min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 1min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
2h and 5min - Average sunshine in February:
2h and 4min - Average sunshine in March:
4h and 1min - Average sunshine in April:
6h and 3min - Average sunshine in May:
7h and 4min - Average sunshine in June:
8h and 2min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 3min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 2min - Average sunshine in December:
3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days
Rochester, VT
- Average sunshine days in January:
15.5 days - Average sunshine days in February:
11.7 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
18 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
14.9 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is February (11.7 days).
Average UV index
Rochester, VT
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Rochester, VT
The month with the most cloud cover is February (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility
Rochester, VT
The months with the highest visibility are April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February and March (4mi).
Rochester, Vermont, USA
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