Rochester climate guide

Temperature in Rochester (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
-1°C maximum daytime temperature in January in Rochester-1
0°C maximum daytime temperature in February in Rochester0
6°C maximum daytime temperature in March in Rochester6
13°C maximum daytime temperature in April in Rochester13
20°C maximum daytime temperature in May in Rochester20
24°C maximum daytime temperature in June in Rochester24
27°C maximum daytime temperature in July in Rochester27
26°C maximum daytime temperature in August in Rochester26
22°C maximum daytime temperature in September in Rochester22
16°C maximum daytime temperature in October in Rochester16
9°C maximum daytime temperature in November in Rochester9
2°C maximum daytime temperature in December in Rochester2
Min temperature (night-time)
-9°C minimum night-time temperature in January in Rochester-9
-9°C minimum night-time temperature in February in Rochester-9
-4°C minimum night-time temperature in March in Rochester-4
2°C minimum night-time temperature in April in Rochester2
8°C minimum night-time temperature in May in Rochester8
12°C minimum night-time temperature in June in Rochester12
15°C minimum night-time temperature in July in Rochester15
15°C minimum night-time temperature in August in Rochester15
11°C minimum night-time temperature in September in Rochester11
5°C minimum night-time temperature in October in Rochester5
0°C minimum night-time temperature in November in Rochester0
-6°C minimum night-time temperature in December in Rochester-6
Sea temperature
3°C sea temperature in January in Rochester3
2°C sea temperature in February in Rochester2
2°C sea temperature in March in Rochester2
3°C sea temperature in April in Rochester3
6°C sea temperature in May in Rochester6
13°C sea temperature in June in Rochester13
19°C sea temperature in July in Rochester19
21°C sea temperature in August in Rochester21
19°C sea temperature in September in Rochester19
14°C sea temperature in October in Rochester14
9°C sea temperature in November in Rochester9
5°C sea temperature in December in Rochester5

Sunshine & Daylight in Rochester

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
9 hours of daylight per day in January in Rochester9
11 hours of daylight per day in February in Rochester11
12 hours of daylight per day in March in Rochester12
13 hours of daylight per day in April in Rochester13
15 hours of daylight per day in May in Rochester15
15 hours of daylight per day in June in Rochester15
15 hours of daylight per day in July in Rochester15
14 hours of daylight per day in August in Rochester14
12 hours of daylight per day in September in Rochester12
11 hours of daylight per day in October in Rochester11
10 hours of daylight per day in November in Rochester10
9 hours of daylight per day in December in Rochester9

Rainfall in Rochester

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
16 days with some rainfall in January in Rochester16
14 days with some rainfall in February in Rochester14
13 days with some rainfall in March in Rochester13
13 days with some rainfall in April in Rochester13
11 days with some rainfall in May in Rochester11
11 days with some rainfall in June in Rochester11
9 days with some rainfall in July in Rochester9
10 days with some rainfall in August in Rochester10
11 days with some rainfall in September in Rochester11
12 days with some rainfall in October in Rochester12
15 days with some rainfall in November in Rochester15
17 days with some rainfall in December in Rochester17
Average monthly rainfall (mm)
51 mm monthly rainfall in January in Rochester51
51 mm monthly rainfall in February in Rochester51
59 mm monthly rainfall in March in Rochester59
69 mm monthly rainfall in April in Rochester69
70 mm monthly rainfall in May in Rochester70
77 mm monthly rainfall in June in Rochester77
70 mm monthly rainfall in July in Rochester70
83 mm monthly rainfall in August in Rochester83
75 mm monthly rainfall in September in Rochester75
67 mm monthly rainfall in October in Rochester67
74 mm monthly rainfall in November in Rochester74
64 mm monthly rainfall in December in Rochester64

More climate for Rochester

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 1 (Low) in January in Rochester1
UV (maximum) index 2 (Low) in February in Rochester2
UV (maximum) index 3 (Moderate) in March in Rochester3
UV (maximum) index 5 (Moderate) in April in Rochester5
UV (maximum) index 7 (High) in May in Rochester7
UV (maximum) index 8 (Very High) in June in Rochester8
UV (maximum) index 8 (Very High) in July in Rochester8
UV (maximum) index 7 (High) in August in Rochester7
UV (maximum) index 6 (High) in September in Rochester6
UV (maximum) index 3 (Moderate) in October in Rochester3
UV (maximum) index 2 (Low) in November in Rochester2
UV (maximum) index 1 (Low) in December in Rochester1
Heat & Humidity
No heat & humidity in January in Rochester0
No heat & humidity in February in Rochester0
No heat & humidity in March in Rochester0
No heat & humidity in April in Rochester0
No heat & humidity in May in Rochester0
No heat & humidity in June in Rochester0
Moderate heat & humidity in July in RochesterM
Low heat & humidity in August in RochesterL
No heat & humidity in September in Rochester0
No heat & humidity in October in Rochester0
No heat & humidity in November in Rochester0
No heat & humidity in December in Rochester0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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More about Rochester

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The climate guide for Rochester, New York shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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