Measurements:
°C
°F
Zihuatanejo
76°F
SW 5 mph
Feels like: 80°F
Precip: 0%
World Resorts Mexico Zihuatanejo Weather

Zihuatanejo Sea Water Temperature

Current Sea Water Temperature:
+87.4°F
Maximum Sea Water Temperature in December: 90.2°F
Minimum Sea Water Temperature in December: 84.0°F
Average water temperature in December: 87.7°F

Sea Water Temperature for the Last 10 Days:

December 18 87.4°F December 13 87.2°F
December 17 87.6°F December 12 87.4°F
December 16 87.6°F December 11 87.8°F
December 15 87.0°F December 10 87.8°F
December 14 87.6°F December 09 88.0°F

When is the Warmest Sea for Zihuatanejo?

According to our data for the last three years for Zihuatanejo the highest average sea water temperature was in August, September and July.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Zihuatanejo was 90.6°F. The maximum and minimum values were 90.0°F and 91.2°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Zihuatanejo was 90.3°F. The maximum and minimum values were 89.8°F and 90.8°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Zihuatanejo was 90.4°F. The maximum and minimum values were 89.6°F and 91.8°F respectively.

Best Time to Visit Zihuatanejo
The most sunny months:
March 28 days
January 27 days
April 27 days
The most warm months:
July 92.5 °F
May 91.6 °F
August 91.5 °F
Warmest sea temperature:
August 90.8 °F
September 90.3 °F
July 90.1 °F
The most cold months:
January 87.6 °F
February 87.9 °F
December 88.4 °F
The most rainy months:
August 6 days
September 6 days
June 5 days
The most windy months:
June 6 mph
May 6 mph
April 6 mph

Zihuatanejo on the Weather Map

24 Hours Weather Forecast
Zihuatanejo
Local time: 03:13
18 dec, thursday
0600 70°F
SW
4 mph
0900 74°F
SW
5 mph
1200 88°F
NE
2 mph
1500 90°F
NE
7 mph
1800 82°F
E
6 mph
2100 76°F
S
2 mph
19 dec, friday
0000 74°F
SW
4 mph
0300 74°F
SW
4 mph