World Resorts USA Chatham Weather

Chatham weather in July

Weather in Chatham: July

Average day temperature: 74.2°F
Average night temperature: 69.8°F
Sea water temperature: 67.8°F
Number of sunny days: 11 days
Day length: 14.4 - 15.1 hours
Number of rainy days: 2 days
Precipitation totals: 0.9 in.

Air temperature in July, °F

Show year:
2025
2024
2023

The highest day temperature during July of 2025 was 80°F. At the same time the lowest night temperature was 62°F. Daily and nightly averages during July were 73.6°F and 68.6°F.

Sea water temperature in Chatham in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 69.8°F and 62.8°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in July is almost equal.

Precipitation total in July, in.

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

Wind speed in July, mph

The average wind speed value in July is 10.7 mph It makes July one of the least windy months 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 July is: 8.0.

Best time for vacation in Chatham

Sunniest months:
November 14 days
June 13 days
August 13 days
Warmest months:
July 74.2 °F
August 73.6 °F
September 68.5 °F
Warmest sea temp:
August 68.6 °F
July 67.8 °F
September 65.5 °F
Coldest months:
January 36.6 °F
February 36.8 °F
March 42.3 °F
Rainiest months:
January 3 days
October 3 days
April 2 days
Windiest months:
January 14.7 mph
March 14.7 mph
November 14.6 mph

Chatham on a weather map

Chatham
+19°F
SE 23 mph
Feels like: +9°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+46°F
+5°F
24 Hours Forecast
Chatham
Local time: 01:55
December 05, friday
0300
19°F
SE
23 mph
0600
19°F
S
12 mph
0900
23°F
SE
4 mph
1200
27°F
NE
6 mph
1500
30°F
NE
11 mph
1800
30°F
NE
9 mph
2100
32°F
NE
7 mph
December 06, saturday
0000
34°F
NE
6 mph
Units of measurement: °C / °F