Climate and monthly weather forecastRochester, MA
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Rochester, Massachusetts, with an average temperature ranging between min 27.3°F (-2.6°C) and max 36.7°F (2.6°C). January is the coldest month, with an average high-temperature of 36.7°F (2.6°C) and an average low-temperature of 27.3°F (-2.6°C). Weather in January »Weather in February
February, the last month of the winter in Rochester, is another cold month, with an average temperature varying between 38.3°F (3.5°C) and 28°F (-2.2°C). With the start of February, Rochester measures an average high-temperature of a still wintry 38.3°F (3.5°C), not significantly differing from January's 36.7°F (2.6°C). Weather in February »Weather in March
March, the first month of the spring in Rochester, is also an icy month, with an average temperature fluctuating between 42.4°F (5.8°C) and 33.6°F (0.9°C). As Rochester welcomes March, the average high-temperature is noted at a still cold 42.4°F (5.8°C), closely aligning with the preceding month. Weather in March »Weather in April
April in Rochester, Massachusetts, is a fresh spring month, with an average temperature varying between 51.3°F (10.7°C) and 41.9°F (5.5°C). April's onset brings a minor rise in the average high-temperature, moving from an icy 42.4°F (5.8°C) in March to a fresh 51.3°F (10.7°C). Weather in April »Weather in May
May, the last month of the spring in Rochester, is a mild month, with temperature in the range of an average low of 50.9°F (10.5°C) and an average high of 60.4°F (15.8°C). May brings a rise in Rochester's average high-temperature, moving from a fresh 51.3°F (10.7°C) in April to a refreshing 60.4°F (15.8°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Rochester, Massachusetts, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 68.5°F (20.3°C). June's onset brings a subtle temperature rise, moving from a moderate 60.4°F (15.8°C) in May to a pleasant 68.5°F (20.3°C). Weather in June »Weather in July
July is a moderately hot summer month in Rochester, Massachusetts, with temperature in the range of an average low of 66.2°F (19°C) and an average high of 76.3°F (24.6°C). As June transitions into July, a subtle temperature shift is observed, with average highs adjusting from an agreeable 68.5°F (20.3°C) to a warm 76.3°F (24.6°C). Weather in July »Weather in August
August, the last month of the summer in Rochester, is also a moderately hot month, with an average temperature fluctuating between 66.7°F (19.3°C) and 76.6°F (24.8°C). In Rochester, temperatures reach their average annual highs in August, measuring 76.6°F (24.8°C) and a minimum average of 66.7°F (19.3°C). Weather in August »Weather in September
September, the first month of the autumn in Rochester, is still a pleasant month, with an average temperature ranging between min 60.4°F (15.8°C) and max 70°F (21.1°C). September witnesses a gentle descent in average high-temperature, descending from August's moderately hot 76.6°F (24.8°C) to an agreeable 70°F (21.1°C). Weather in September »Weather in October
October, the same as September, in Rochester, Massachusetts, is another refreshing autumn month, with an average temperature ranging between max 60.6°F (15.9°C) and min 51.8°F (11°C). With October's onset, the average high-temperature recedes from September's pleasant 70°F (21.1°C) to a refreshing 60.6°F (15.9°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Rochester, Massachusetts, with temperature in the range of an average high of 50.9°F (10.5°C) and an average low of 41.7°F (5.4°C). November brings a minor decrease, with the average high-temperature reducing from a moderate 60.6°F (15.9°C) in October to a cool 50.9°F (10.5°C). Weather in November »Weather in December
The first month of the winter, December, is also a wintry month in Rochester, Massachusetts, with an average temperature ranging between max 42.3°F (5.7°C) and min 33.6°F (0.9°C). During the shift to December, Rochester records a mild decrease in average high-temperature, moving from a fresh 50.9°F (10.5°C) in November to a cold 42.3°F (5.7°C). Weather in December »Updated: Aug 9, 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
During the coldest month in Rochester, January, temperatures average a high of 36.7°F (2.6°C) and a low of 27.3°F (-2.6°C).
In Rochester, during the entire year, the rain falls for 136.3 days and collects up to 15.63" (397mm) of precipitation.
January through May, October through December are months with snowfall.
In Rochester, during the entire year, snow falls for 21.6 days and aggregates up to 4.29" (109mm) of snow.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rochester.
The month with the least rainfall is February, when the rain falls for 7.7 days and typically collects 0.98" (25mm) of precipitation.
The month with the most snowfall is February, when snow falls for 5.8 days and typically aggregates up to 1.1" (28mm) of snow.
The month with the least sunshine is February, with an average of 4.8h of sunshine.
March and November, with an average relative humidity of 74%, are the least humid months.
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.
June and July, with an average relative humidity of 80%, are most humid months.
In Rochester, Massachusetts, snow does not fall in June through September.
The month with the longest days is June, with an average of 15h and 12min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
The month of August sees the average highest temperatures, reaching 76.6°F (24.8°C) at the peak and 66.7°F (19.3°C) at the low.
August has the most sunshine of the year, with an average of 10.7h of sunshine.
The month with the most rainfall is October, when the rain falls for 12 days and typically aggregates up to 1.89" (48mm) of precipitation.
With an average of 9h and 12min of daylight, December has the shortest days of the year.
Average temperature
Rochester, MA
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is January (36.7°F).
The month with the highest average low temperature is August (66.7°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure
Rochester, MA
- Average pressure in January:
30"Hg - Average pressure in February:
29.99"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Rochester, MA
- Average wind speed in January:
12.9mph - Average wind speed in February:
12.6mph - Average wind speed in March:
12.6mph - Average wind speed in April:
11.2mph - Average wind speed in May:
9.8mph - Average wind speed in June:
9.1mph
- Average wind speed in July:
8.5mph - Average wind speed in August:
8.3mph - Average wind speed in September:
9.8mph - Average wind speed in October:
11.2mph - Average wind speed in November:
12mph - Average wind speed in December:
12.3mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity
Rochester, MA
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall
Rochester, MA
- Average rainfall in January:
1.18" - Average rainfall in February:
0.98" - Average rainfall in March:
1.18" - Average rainfall in April:
1.38" - Average rainfall in May:
1.3" - Average rainfall in June:
1.34"
The wettest month (with the highest rainfall) is October (1.89").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days
Rochester, MA
- Average rainfall days in January:
8.5 days - Average rainfall days in February:
7.7 days - Average rainfall days in March:
10.3 days - Average rainfall days in April:
13.8 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
14.1 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
10.6 days - Average rainfall days in October:
12 days - Average rainfall days in November:
9.9 days - Average rainfall days in December:
10.3 days
The months with the highest number of rainy days are May and July (14.1 days).
The month with the least rainy days is February (7.7 days).
Average snowfall
Rochester, MA
- Average snowfall in January:
0.83" - Average snowfall in February:
1.1" - Average snowfall in March:
0.94" - Average snowfall in April:
0.12" - Average snowfall in May:
0.12" - Average snowfall in June:
0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Rochester, MA
- Average snowfall days in January:
6.6 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
4 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rochester, MA
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
5h and 54min - Average sunshine in April:
8h and 18min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 30min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 42min - Average sunshine in September:
8h and 42min - Average sunshine in October:
6h and 30min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Rochester, MA
- Average sunshine days in January:
16.8 days - Average sunshine days in February:
15.4 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
15.8 days
- Average sunshine days in July:
14.8 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
17.3 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is December (17.7 days).
The month with the least sunshine days is April (14.3 days).
Average UV index
Rochester, MA
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Rochester, MA
The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Rochester, MA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
