Rochester - Recent May Temperatures, Rain & Snow





The numbers here describe what the May weather in Rochester, New York was like for every year since 2010. A series of tables gives May data by year for temperature, precipitation and snowfall.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot or cold days occurred each May. Then there's information on how much rain and snow actually landed this month during recent years, as well as how often Rochester had wet or snowy weather.

The climate data come from weather measurements made at the Greater Rochester International Airport.

Temperature Weather iconTemperature

May temperature averages by year in Rochester
High °F Low °F Year High °C Low °C
65 45 2020 18 7
66 47 2019 19 8
76 53 2018 25 12
66 48 2017 19 9
70 47 2016 21 9
76 52 2015 24 11
70 50 2014 21 10
72 50 2013 22 10
74 52 2012 23 11
68 50 2011 20 10
72 49 2010 22 10
Number of days in May when the temperature in Rochester dropped to 32 or below, or rose to at least 70 or 90 degrees Fahrenheit
32 °F
0 °C
Year 70 °F
21 °C
90 °F
32 °C
5 2020 12 1
0 2019 12 0
0 2018 25 1
0 2017 10 0
0 2016 15 1
1 2015 21 2
0 2014 18 0
1 2013 22 1
0 2012 20 1
0 2011 13 1
1 2010 19 0

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Rochester during May in each year from 2010. The number of days with precipitation counts the days when rainfall or snowfall (when melted) amounted to 0.01 inches (0.3 millimeters) or more.

Total precipitation for May in Rochester
Days Year Inches Milli­metres
13 2020 1.9 49
15 2019 2.6 66
8 2018 1.7 43
16 2017 5.3 135
11 2016 2.9 74
12 2015 3.4 87
15 2014 3.2 81
12 2013 4.0 101
10 2012 1.4 35
16 2011 4.8 122
14 2010 2.6 65

Snowy Weather iconSnow

Amount of snowfall in Rochester for May and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
0 2020 0.2 1
0 2019 0.0 0
0 2018 0.0 0
0 2017 0.0 0
0 2016 0.0 0
0 2015 0.0 0
0 2014 0.0 0
0 2013 0.0 0
0 2012 0.0 0
0 2011 0.0 0
0 2010 0.4 1
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Rochester - Recent Years
Rochester - Extremes
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