Deep River Center climate

Deep River Center Weather in May

NOAA 1991-2020 normals for Groton, 33.7 km from Deep River Center

Average highs run from 62°F on May 1 to 71°F on May 31, and lows from 46°F to 54°F. Normal precipitation for the month is 3.67 in over about 12 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 Deep River Center, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
66°F
Average low
50°F
Precipitation
3.67 in
Record high
96°FMay 26, 2010
Record low
28°FMay 7, 2001
Chance of a freeze
2%
Daylight
14 h 00 min to 14 h 57 min
Cloud cover
63%
Humidity
78%
Dew point
49°F
Wind
4.9 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°F46°F85°F 200129°F 200839%0%
May 263°F46°F91°F 200137°F 201139%0%
May 363°F46°F91°F 200136°F 200739%0%
May 463°F47°F92°F 200133°F 202639%0%
May 563°F47°F88°F 200033°F 200439%0%
May 664°F47°F89°F 200032°F 201139%0%
May 764°F48°F94°F 200028°F 200138%0%
May 864°F48°F92°F 200033°F 200138%0%
May 965°F48°F93°F 200031°F 202038%0%
May 1065°F48°F86°F 201528°F 202038%0%
May 1165°F49°F87°F 200129°F 201038%0%
May 1265°F49°F88°F 200434°F 202038%0%
May 1366°F49°F83°F 202333°F 201038%0%
May 1466°F49°F80°F 202232°F 201338%0%
May 1566°F50°F84°F 200432°F 201338%0%
May 1666°F50°F84°F 200736°F 200238%0%
May 1767°F50°F89°F 202639°F 201638%0%
May 1867°F50°F94°F 201730°F 202337%0%
May 1967°F51°F90°F 201733°F 200237%0%
May 2068°F51°F90°F 202631°F 200237%0%
May 2168°F51°F91°F 202230°F 200237%0%
May 2268°F52°F91°F 202232°F 200237%0%
May 2368°F52°F88°F 202137°F 200637%0%
May 2469°F52°F88°F 200738°F 200636%0%
May 2569°F52°F93°F 200740°F 200836%0%
May 2669°F53°F96°F 201039°F 202336%0%
May 2769°F53°F87°F 201635°F 201336%0%
May 2870°F53°F90°F 201643°F 200836%0%
May 2970°F54°F90°F 201838°F 200835%0%
May 3070°F54°F92°F 201337°F 200435%0%
May 3171°F54°F94°F 202234°F 202635%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Deep River Center, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:47 AM, sunset 7:47 PM
May 31
sunrise 5:19 AM, sunset 8:16 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00063207 (Groton), public domain. Records: NOAA GHCN-Daily, station USW00054788, 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.