Rochester NY Average Temperatures by Month

The numbers here tell you how hot and cold the weather usually is in Rochester, New York during each month of the year.

The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 60, 70 or 80 °F each month in Rochester, scroll down farther. There are also monthly and yearly counts of days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for Rochester, 2010 to 2019
High °F	Low °F		High °C	Low °C
33	18	January	1	-8
35	19	February	1	-7
43	27	March	6	-3
57	37	April	14	3
71	50	May	22	10
77	57	June	25	14
83	63	July	28	17
80	61	August	27	16
74	54	September	24	12
62	44	October	16	7
48	33	November	9	0
39	26	December	4	-3
59	41	Year	15	5

30-year temperature averages for Rochester, 1991 to 2020
High °F	Low °F		High °C	Low °C
33	19	January	1	-7
35	20	February	2	-7
44	27	March	6	-3
57	37	April	14	3
69	48	May	21	9
78	57	June	26	14
83	62	July	28	17
81	61	August	27	16
74	54	September	23	12
61	43	October	16	6
49	34	November	10	1
39	25	December	4	-4
58	41	Year	15	5

Days of Hot Weather in Rochester

The hottest days at Rochester mostly have highs in the 80s Fahrenheit. Just eight days a summer on average reach into the 90s F (over 31 °C). Temperatures above 100 °F (38 °C) are not normal in Rochester. July sees the most days with 80 and 90-degree weather here.

Days per month in Rochester of at least 60, 70 or 80 °F
	60 °F 16 °C	70 °F 21 °C	80 °F 27 °C
January	1	0	0
February	1	0	0
March	4	1	0
April	11	5	1
May	25	14	6
June	30	25	12
July	31	30	20
August	31	30	17
September	28	20	7
October	16	6	1
November	6	1	0
December	1	0	0
Year	182	130	64

How Often Rochester Has Cold Temperatures

On the coldest winter nights at Rochester, the thermometer drops to 0 °F (-18 °C) or even lower. Nights that cold occur on average four times a year, most often in January.

On 45 days a year, the temperature here never rises above freezing. Frosty daytime weather can show up as early as November and linger as late as April.

Days per month on average in Rochester when the minimum temperature drops to 10, 20, or 32 °F or below
	10 °F -12 °C	20 °F -8 °C	32 °F 0 °C
January	8	18	27
February	6	15	25
March	2	9	23
April	0	0	10
May	0	0	1
June	0	0	0
July	0	0	0
August	0	0	0
September	0	0	0
October	0	0	3
November	0	2	15
December	2	10	25
Year	19	53	129

Rochester Temperatures: Averages by Month

Days of Hot Weather in Rochester

How Often Rochester Has Cold Temperatures

References

More on Weather in New York