Jamestown climate

Jamestown Weather in May

NOAA 1991-2020 normals for Jamestown Wwtp, 2.3 km from Jamestown

Average highs run from 72°F on May 1 to 79°F on May 31, and lows from 48°F to 58°F. Normal precipitation for the month is 5.41 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
75°F
Average low
53°F
Precipitation
5.41 in
Record high
91°FMay 30, 2006
Record low
28°FMay 3, 2005
Chance of a freeze
14%
Daylight
13 h 43 min to 14 h 31 min
Cloud cover
64%
Humidity
80%
Dew point
59°F
Wind
6.3 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 172°F48°F87°F 198631°F 201841%0%
May 272°F48°F84°F 200730°F 200541%0%
May 372°F49°F86°F 201228°F 200541%0%
May 473°F49°F85°F 201830°F 197641%0%
May 573°F49°F87°F 200131°F 201141%0%
May 673°F50°F89°F 200135°F 201141%0%
May 773°F50°F86°F 198633°F 201741%0%
May 874°F50°F88°F 198634°F 198941%0%
May 974°F51°F87°F 201528°F 202040%0%
May 1074°F51°F87°F 200734°F 197740%0%
May 1174°F52°F87°F 200732°F 202440%0%
May 1275°F52°F90°F 200534°F 202440%0%
May 1375°F52°F88°F 200532°F 201340%0%
May 1475°F53°F87°F 198232°F 201339%0%
May 1575°F53°F88°F 201834°F 200539%0%
May 1675°F53°F87°F 198834°F 200539%0%
May 1776°F54°F86°F 197735°F 200939%0%
May 1876°F54°F89°F 200031°F 200238%0%
May 1976°F54°F88°F 199634°F 200938%0%
May 2076°F54°F89°F 199632°F 200238%0%
May 2177°F55°F88°F 197730°F 200238%0%
May 2277°F55°F88°F 197538°F 201537%0%
May 2377°F55°F88°F 200736°F 200637%0%
May 2477°F56°F88°F 197539°F 202437%0%
May 2578°F56°F89°F 199639°F 201337%0%
May 2678°F56°F88°F 197536°F 197937%0%
May 2778°F57°F89°F 200641°F 199937%0%
May 2878°F57°F90°F 201243°F 197137%0%
May 2979°F57°F90°F 200641°F 199436%0%
May 3079°F57°F91°F 200638°F 198436%0%
May 3179°F58°F91°F 200636°F 202436%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 (CDT).

May 1
sunrise 5:46 AM, sunset 7:29 PM
May 31
sunrise 5:23 AM, sunset 7:54 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00154208 (Jamestown Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00154208, 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.