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Zihuatanejo weather in August

Weather in Zihuatanejo: August

Average day temperature: 87.3°F
Average night temperature: 77.7°F
Sea water temperature: 86.7°F
Number of sunny days: 10 days
Day length: 12.5 - 12.9 hours
Number of rainy days: 6 days
Precipitation totals: 5.6 in.

Air temperature in August, °F

Show year:
2025
2024
2023

The highest day temperature during August of 2025 was 94°F. At the same time the lowest night temperature was 76°F. Daily and nightly averages during August were 89.6°F and 78.4°F.

Sea water temperature in Zihuatanejo in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 86.5°F. The highest and lowest sea temperatures during the month were 87.1°F and 86.0°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in August, in.

Precipitation total value in Zihuatanejo in August is 6.6 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 5.3 mph

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: 6.2.

Best time for vacation in Zihuatanejo

Sunniest months:
March 28 days
January 27 days
April 27 days
Warmest months:
July 88.3 °F
May 87.4 °F
August 87.3 °F
Warmest sea temp:
August 86.7 °F
September 86.3 °F
July 86.1 °F
Coldest months:
January 83.8 °F
February 84.1 °F
December 84.6 °F
Rainiest months:
August 6 days
September 6 days
June 5 days
Windiest months:
June 6.0 mph
May 5.9 mph
April 5.8 mph

Zihuatanejo on a weather map

Zihuatanejo
+77°F
S 3 mph
Feels like: +82°F
Precip.: 0%
Places in Mexico:
Name
°F
+77°F
+79°F
+79°F
+72°F
+77°F
+73°F
+75°F
+79°F
+75°F
+79°F
+79°F
24 Hours Forecast
Zihuatanejo
Local time: 22:03
December 05, friday
0000
77°F
S
4 mph
0300
75°F
SW
5 mph
0600
75°F
SW
4 mph
0900
79°F
SW
4 mph
1200
90°F
NE
3 mph
1500
88°F
NE
7 mph
1800
81°F
NE
4 mph
2100
77°F
SW
2 mph
Units of measurement: °C / °F