Jamestown climate

Jamestown Weather in May

NOAA 1991-2020 normals for Newport Rose, 1.5 km from Jamestown

Average highs run from 61°F on May 1 to 68°F on May 31, and lows from 45°F to 53°F. Normal precipitation for the month is 3.91 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 Jamestown, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
65°F
Average low
49°F
Precipitation
3.91 in
Record high
91°FMay 26, 2010
Record low
32°FMay 1, 2000
Chance of a freeze
0%
Daylight
14 h 01 min to 14 h 57 min
Cloud cover
63%
Humidity
81%
Dew point
49°F
Wind
7.6 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 161°F45°F77°F 200132°F 200041%
May 261°F45°F85°F 200137°F 201541%
May 362°F45°F86°F 200138°F 200741%
May 462°F45°F87°F 200137°F 200341%
May 562°F46°F76°F 200635°F 200341%
May 662°F46°F72°F 200035°F 200141%
May 763°F46°F79°F 200033°F 200140%0%
May 863°F47°F85°F 200040°F 200640%0%
May 963°F47°F76°F 200036°F 202040%0%
May 1064°F47°F74°F 200136°F 202040%0%
May 1164°F47°F83°F 200139°F 202439%0%
May 1264°F48°F81°F 200438°F 201039%0%
May 1364°F48°F76°F 202337°F 200539%0%
May 1465°F48°F74°F 202238°F 199939%0%
May 1565°F48°F73°F 200438°F 199938%0%
May 1665°F49°F78°F 199840°F 199938%0%
May 1765°F49°F80°F 201540°F 200338%0%
May 1865°F49°F84°F 201734°F 202338%0%
May 1966°F49°F83°F 201739°F 200238%0%
May 2066°F50°F74°F 201439°F 200238%0%
May 2166°F50°F79°F 201037°F 200238%0%
May 2266°F50°F75°F 202240°F 200238%0%
May 2367°F50°F86°F 202142°F 202338%0%
May 2467°F51°F78°F 199840°F 199738%0%
May 2567°F51°F90°F 200742°F 200638%0%
May 2667°F51°F91°F 201043°F 201337%0%
May 2767°F52°F81°F 201442°F 199737%0%
May 2868°F52°F78°F 199842°F 199737%0%
May 2968°F52°F84°F 201842°F 201437%0%
May 3068°F52°F83°F 199841°F 201437%0%
May 3168°F53°F85°F 201344°F 200037%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jamestown, 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 5:42 AM, sunset 7:43 PM
May 31
sunrise 5:15 AM, sunset 8:12 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00375215 (Newport Rose), public domain. Records: NOAA GHCN-Daily, station USW00014787, 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.