Chatham climate

Chatham Weather in August

NOAA 1991-2020 normals for Chatham, 1.2 km from Chatham

Average highs run from 86°F on August 1 to 83°F on August 31, and lows from 65°F to 61°F. Normal precipitation for the month is 4.12 in over about 10 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Chatham, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
85°F
Average low
63°F
Precipitation
4.12 in
Record high
103°FAug 28, 1948
Record low
46°FAug 31, 1946
Chance of a freeze
0%
Days of 90°F or more
6.1
Daylight
14 h 01 min to 12 h 59 min
Cloud cover
59%
Humidity
69%
Dew point
64°F
Wind
3.1 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
Aug 186°F65°F96°F 195159°F 201735%0%
Aug 286°F65°F97°F 200658°F 200135%0%
Aug 386°F65°F97°F 195559°F 200134%0%
Aug 486°F65°F97°F 195758°F 202534%0%
Aug 586°F65°F98°F 200257°F 195134%0%
Aug 686°F65°F97°F 200754°F 200434%0%
Aug 786°F64°F97°F 200749°F 200434%0%
Aug 886°F64°F101°F 200752°F 200234%0%
Aug 986°F64°F102°F 200753°F 200234%0%
Aug 1086°F64°F101°F 200755°F 200234%0%
Aug 1185°F64°F99°F 201059°F 200834%0%
Aug 1285°F64°F100°F 201051°F 200833%0%
Aug 1385°F64°F99°F 200256°F 195433%0%
Aug 1485°F64°F96°F 202156°F 194633%0%
Aug 1585°F64°F99°F 200757°F 196133%0%
Aug 1685°F63°F101°F 195456°F 201333%0%
Aug 1785°F63°F98°F 201059°F 201133%0%
Aug 1885°F63°F96°F 200956°F 195832%0%
Aug 1985°F63°F97°F 200256°F 202332%0%
Aug 2085°F63°F99°F 200756°F 200032%0%
Aug 2185°F63°F100°F 200755°F 200032%0%
Aug 2285°F63°F97°F 195951°F 202431%0%
Aug 2384°F62°F101°F 200253°F 202431%0%
Aug 2484°F62°F97°F 200252°F 201831%0%
Aug 2584°F62°F99°F 200751°F 195231%0%
Aug 2684°F62°F97°F 194853°F 195231%0%
Aug 2784°F62°F99°F 194852°F 202530%0%
Aug 2884°F61°F103°F 194853°F 202530%0%
Aug 2984°F61°F102°F 194854°F 202530%0%
Aug 3083°F61°F99°F 195350°F 194630%0%
Aug 3183°F61°F101°F 195346°F 194630%0%

Chance of rain

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

August 1
sunrise 6:23 AM, sunset 8:24 PM
August 31
sunrise 6:48 AM, sunset 7:47 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00441614 (Chatham), public domain. Records: NOAA GHCN-Daily, station USW00013728, 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.