Middle Island climate

Middle Island Weather in May

NOAA 1991-2020 normals for Upton Coop - Nwsfo New York, 6.5 km from Middle Island

Average highs run from 63°F on May 1 to 72°F on May 31, and lows from 44°F to 53°F. Normal precipitation for the month is 3.65 in.

May day by day

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

Normal daily high and low temperature at Middle Island, 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
48°F
Precipitation
3.65 in
Record high
93°FMay 31, 2022
Record low
30°FMay 7, 2001
Chance of a freeze
21%
Daylight
13 h 58 min to 14 h 54 min
Cloud cover
63%
Humidity
81%
Dew point
51°F
Wind
7.8 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 163°F44°F83°F 200131°F 20000%
May 264°F44°F84°F 200135°F 20050%
May 364°F44°F84°F 200135°F 20050%
May 464°F45°F89°F 200132°F 20020%
May 565°F45°F80°F 200032°F 20030%
May 665°F45°F85°F 200035°F 20010%
May 765°F45°F88°F 200030°F 20010%
May 866°F46°F85°F 200032°F 20010%
May 966°F46°F81°F 200036°F 20200%
May 1066°F46°F81°F 200138°F 20100%
May 1167°F47°F84°F 200135°F 20100%
May 1267°F47°F85°F 202340°F 20050%
May 1367°F47°F82°F 202334°F 20050%
May 1467°F48°F77°F 202235°F 20200%
May 1568°F48°F79°F 202039°F 20130%
May 1668°F48°F79°F 201736°F 20000%
May 1768°F49°F83°F 202637°F 20030%
May 1868°F49°F87°F 201734°F 20030%
May 1969°F49°F87°F 201733°F 20020%
May 2069°F49°F88°F 202633°F 20020%
May 2169°F50°F89°F 202234°F 20020%
May 2270°F50°F85°F 202137°F 20020%
May 2370°F50°F89°F 202141°F 20060%
May 2470°F51°F83°F 202440°F 20060%
May 2570°F51°F86°F 200742°F 20060%
May 2671°F51°F92°F 201042°F 20130%
May 2771°F52°F87°F 201440°F 20130%
May 2871°F52°F82°F 201247°F 20130%
May 2971°F52°F81°F 201242°F 20040%
May 3072°F53°F86°F 201339°F 20040%
May 3172°F53°F93°F 202240°F 20260%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Middle Island, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:50 AM, sunset 7:48 PM
May 31
sunrise 5:23 AM, sunset 8:17 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00308721 (Upton Coop - Nwsfo New York), public domain. Records: NOAA GHCN-Daily, station USW00054790, 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.