Jamestown climate

Jamestown Weather in July

NOAA 1991-2020 normals for Jamestown, 0.9 km from Jamestown

Average highs run from 84°F on July 1 to 85°F on July 31, and lows from 63°F to 64°F. Normal precipitation for the month is 5.29 in over about 12 wet days.

July 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.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
84°F
Average low
64°F
Precipitation
5.29 in
Record high
103°FJul 1, 2012
Record low
43°FJul 7, 1972
Chance of a freeze
0%
Days of 90°F or more
3.2
Daylight
14 h 36 min to 14 h 01 min
Cloud cover
59%
Humidity
76%
Dew point
67°F
Wind
3.4 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
Jul 184°F63°F103°F 201248°F 197639%0%
Jul 284°F63°F103°F 201247°F 197639%0%
Jul 384°F63°F95°F 198047°F 197639%0%
Jul 484°F63°F95°F 202651°F 196739%0%
Jul 584°F63°F96°F 201247°F 196739%0%
Jul 684°F64°F97°F 201247°F 196739%0%
Jul 784°F64°F100°F 201243°F 197239%0%
Jul 884°F64°F98°F 201244°F 197239%0%
Jul 984°F64°F96°F 201246°F 196139%0%
Jul 1084°F64°F93°F 198048°F 196138%0%
Jul 1184°F64°F93°F 198148°F 196338%0%
Jul 1284°F64°F93°F 200047°F 197538%0%
Jul 1384°F64°F93°F 202448°F 197538%0%
Jul 1484°F64°F95°F 198051°F 197638%0%
Jul 1584°F64°F96°F 202447°F 196738%0%
Jul 1684°F64°F94°F 202449°F 196738%0%
Jul 1784°F64°F102°F 198049°F 201438%0%
Jul 1884°F64°F100°F 198047°F 197638%0%
Jul 1984°F64°F98°F 198050°F 197638%0%
Jul 2084°F64°F97°F 198050°F 197638%0%
Jul 2184°F64°F96°F 198651°F 200737%0%
Jul 2284°F64°F97°F 198051°F 200737%0%
Jul 2384°F64°F95°F 198351°F 200737%0%
Jul 2484°F64°F95°F 198352°F 200737%0%
Jul 2584°F64°F94°F 199353°F 201937%0%
Jul 2685°F64°F93°F 199353°F 201937%0%
Jul 2785°F64°F94°F 199347°F 196237%0%
Jul 2885°F64°F95°F 199949°F 196236%0%
Jul 2985°F64°F95°F 199350°F 201336%0%
Jul 3085°F64°F93°F 197549°F 201436%0%
Jul 3185°F64°F95°F 199950°F 196536%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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

July 1
sunrise 5:26 AM, sunset 8:02 PM
July 31
sunrise 5:45 AM, sunset 7:46 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00404590 (Jamestown), public domain. Records: NOAA GHCN-Daily, station USC00406829, 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.