Randolph climate

Randolph Weather in May

NOAA 1991-2020 normals for Blue Hill Coop, 8.1 km from Randolph

Average highs run from 63°F on May 1 to 71°F on May 31, and lows from 44°F to 53°F. Normal precipitation for the month is 3.82 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 Randolph, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
67°F
Average low
48°F
Precipitation
3.82 in
Record high
96°FMay 18, 2017
Record low
23°FMay 7, 2001
Chance of a freeze
10%
Days of 90°F or more
0.5
Daylight
14 h 03 min to 15 h 02 min
Cloud cover
64%
Humidity
78%
Dew point
49°F
Wind
5.1 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°F86°F 200127°F 200842%
May 263°F44°F92°F 200131°F 200542%
May 363°F44°F93°F 201831°F 200042%
May 464°F45°F90°F 200131°F 200342%
May 564°F45°F83°F 200629°F 201342%
May 664°F45°F80°F 201029°F 200142%
May 765°F46°F92°F 200023°F 200142%
May 865°F46°F89°F 200028°F 200142%
May 965°F46°F93°F 200032°F 202642%
May 1065°F47°F89°F 201531°F 201642%
May 1166°F47°F87°F 200430°F 200842%
May 1266°F47°F90°F 200132°F 199942%
May 1366°F47°F85°F 202227°F 200542%
May 1466°F48°F87°F 202230°F 199942%
May 1567°F48°F88°F 200431°F 201342%
May 1667°F48°F85°F 202232°F 199942%
May 1767°F49°F91°F 201730°F 200342%
May 1867°F49°F96°F 201726°F 200342%
May 1968°F49°F95°F 202633°F 200242%
May 2068°F49°F91°F 202635°F 200242%
May 2168°F50°F90°F 200932°F 200242%
May 2268°F50°F95°F 202234°F 200242%
May 2369°F50°F90°F 202135°F 200842%0%
May 2469°F51°F88°F 200740°F 200242%0%
May 2569°F51°F93°F 200737°F 200842%0%
May 2669°F51°F95°F 201039°F 202342%0%
May 2770°F51°F90°F 201135°F 201342%0%
May 2870°F52°F94°F 201638°F 200842%0%
May 2970°F52°F91°F 201832°F 201442%0%
May 3070°F52°F89°F 202235°F 202642%0%
May 3171°F53°F94°F 201332°F 202641%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Randolph, 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 5:40 AM, sunset 7:43 PM
May 31
sunrise 5:11 AM, sunset 8:13 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00190736 (Blue Hill Coop), public domain. Records: NOAA GHCN-Daily, station USW00054704, 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.