Plattsburgh climate

Plattsburgh Weather in May

NOAA 1991-2020 normals for Plattsburgh Intl AP, 5.7 km from Plattsburgh

Average highs run from 62°F on May 1 to 72°F on May 31, and lows from 39°F to 49°F. Normal precipitation for the month is 2.88 in over about 13 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Plattsburgh, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
68°F
Average low
44°F
Precipitation
2.88 in
Record high
94°FMay 26, 2010
Record low
27°FMay 1, 2008
Chance of a freeze
70%
Days of 90°F or more
0.7
Daylight
14 h 15 min to 15 h 20 min
Cloud cover
68%
Humidity
76%
Dew point
46°F
Wind
5.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 162°F39°F78°F 201327°F 200843%
May 263°F40°F87°F 201830°F 200843%
May 363°F40°F77°F 201035°F 201643%
May 464°F41°F86°F 201533°F 201743%
May 564°F41°F76°F 201336°F 202043%
May 665°F41°F77°F 201331°F 201243%
May 765°F42°F79°F 201330°F 201243%
May 865°F42°F83°F 201530°F 201443%
May 966°F42°F84°F 201529°F 202043%
May 1066°F43°F80°F 201431°F 201043%
May 1167°F43°F81°F 202229°F 201043%
May 1267°F43°F85°F 202232°F 200943%
May 1367°F44°F84°F 202229°F 201043%
May 1468°F44°F85°F 202233°F 201343%
May 1568°F44°F81°F 202529°F 201343%
May 1668°F45°F80°F 202534°F 201643%
May 1768°F45°F92°F 201732°F 201643%
May 1869°F45°F93°F 201731°F 202343%
May 1969°F45°F88°F 202632°F 200944%
May 2069°F46°F87°F 202138°F 201644%
May 2169°F46°F91°F 200937°F 200844%
May 2270°F46°F87°F 202138°F 201544%
May 2370°F47°F81°F 202434°F 201544%
May 2470°F47°F83°F 201638°F 202344%0%
May 2570°F47°F87°F 201040°F 200844%0%
May 2671°F48°F94°F 201035°F 202344%0%
May 2771°F48°F94°F 201633°F 201345%0%
May 2871°F48°F88°F 202336°F 201345%0%
May 2971°F48°F85°F 201240°F 201445%0%
May 3072°F49°F91°F 201536°F 202145%0%
May 3172°F49°F92°F 201338°F 200945%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Plattsburgh, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:44 AM, sunset 7:59 PM
May 31
sunrise 5:12 AM, sunset 8:32 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00064776 (Plattsburgh Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00064776, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.