Chatham County climate

Chatham County Weather in July

NOAA 1991-2020 normals for Siler City 2 N, 19.8 km from Chatham County

Average highs run from 88°F on July 1 to 88°F on July 31, and lows from 68°F to 69°F. Normal precipitation for the month is 3.79 in over about 11 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 Chatham County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
89°F
Average low
69°F
Precipitation
3.79 in
Record high
105°FJul 8, 1977
Record low
41°FJul 2, 1988
Chance of a freeze
0%
Days of 90°F or more
13.4
Daylight
14 h 32 min to 13 h 58 min
Cloud cover
58%
Humidity
70%
Dew point
68°F
Wind
4.0 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 188°F68°F101°F 201243°F 198833%0%
Jul 288°F68°F100°F 202641°F 198833%0%
Jul 388°F68°F102°F 202652°F 198833%0%
Jul 488°F68°F103°F 202653°F 198833%0%
Jul 589°F68°F103°F 202652°F 198833%0%
Jul 689°F68°F102°F 197748°F 198833%0%
Jul 789°F68°F104°F 197752°F 198833%0%
Jul 889°F69°F105°F 197750°F 198333%0%
Jul 989°F69°F104°F 197750°F 198433%0%
Jul 1089°F69°F103°F 199349°F 199233%0%
Jul 1189°F69°F101°F 199060°F 197933%0%
Jul 1289°F69°F100°F 198655°F 197834%0%
Jul 1389°F69°F101°F 198651°F 197434%0%
Jul 1489°F69°F100°F 199354°F 197634%0%
Jul 1589°F69°F100°F 199357°F 200934%0%
Jul 1689°F69°F101°F 198354°F 199134%0%
Jul 1789°F69°F100°F 198357°F 198734%0%
Jul 1889°F69°F101°F 198655°F 198734%0%
Jul 1989°F69°F102°F 198657°F 198734%0%
Jul 2089°F69°F103°F 197760°F 197634%0%
Jul 2189°F69°F103°F 197759°F 199235%0%
Jul 2289°F69°F101°F 198354°F 200735%0%
Jul 2389°F69°F101°F 201154°F 200735%0%
Jul 2488°F69°F100°F 198754°F 200735%0%
Jul 2588°F69°F100°F 198758°F 200835%0%
Jul 2688°F69°F100°F 198760°F 199035%0%
Jul 2788°F69°F103°F 200658°F 197535%0%
Jul 2888°F69°F99°F 198154°F 197735%0%
Jul 2988°F69°F100°F 199355°F 197735%0%
Jul 3088°F69°F99°F 197661°F 198335%0%
Jul 3188°F69°F103°F 199956°F 198634%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chatham County, 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).

July 1
sunrise 6:05 AM, sunset 8:37 PM
July 31
sunrise 6:24 AM, sunset 8:22 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00317924 (Siler City 2 N), public domain. Records: NOAA GHCN-Daily, station USC00317656, 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.