World Resorts USA Chatham Weather

Chatham weather in August

Weather in Chatham: August

Average day temperature: 74.2°F
Average night temperature: 68.9°F
Sea water temperature: 68.8°F
Number of sunny days: 14 days
Day length: 13.2 - 14.4 hours
Number of rainy days: 1 day
Precipitation totals: 0.9 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 86°F. At the same time the lowest night temperature was 63°F. Daily and nightly averages during August were 78.1°F and 68.1°F.

Sea water temperature in Chatham in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 69.5°F. The highest and lowest sea temperatures during the month were 73.2°F and 65.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Chatham in August is 0.9 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 10.5 mph It makes August lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.4.

Best time for vacation in Chatham

Sunniest months:
June 15 days
November 14 days
August 14 days
Warmest months:
July 74.6 °F
August 74.2 °F
September 68.5 °F
Warmest sea temp:
August 68.8 °F
July 67.9 °F
September 65.5 °F
Coldest months:
January 36.1 °F
February 36.3 °F
December 41.6 °F
Rainiest months:
October 3 days
January 2 days
April 2 days
Windiest months:
January 14.9 mph
December 14.9 mph
March 14.8 mph

Chatham on a weather map

Chatham
+57°F
SW 18 mph
Feels like: +54°F
Precip.: 8%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+77°F
+70°F
+81°F
+63°F
+63°F
+68°F
+59°F
+68°F
+73°F
+79°F
+63°F
24 Hours Forecast
Chatham
Local time: 06:08
September 19, saturday
0900
59°F
SW
16 mph
1200
59°F
SW
15 mph
1500
59°F
SW
11 mph
1800
57°F
SW
7 mph
2100
55°F
W
7 mph
September 20, sunday
0000
55°F
NW
9 mph
0300
55°F
NW
7 mph
0600
55°F
NW
7 mph
Units of measurement: °C / °F