Measurements:
°C
°F
Isla de Ometepe
84°F
W 17 mph
Feels like: 90°F
Precip: 100%
World Resorts Nicaragua Isla de Ometepe Weather

Isla de Ometepe Sea Water Temperature

Current Sea Water Temperature:
+88.8°F
Maximum Sea Water Temperature in May: 91.4°F
Minimum Sea Water Temperature in May: 85.8°F
Average water temperature in May: 88.3°F

Sea Water Temperature for the Last 10 Days:

May 09 88.8°F May 04 88.8°F
May 08 87.2°F May 03 87.6°F
May 07 88.0°F May 02 87.8°F
May 06 87.8°F May 01 87.8°F
May 05 87.8°F April 30 88.2°F

When is the Warmest Sea for Isla de Ometepe?

According to our data for the last three years for Isla de Ometepe the highest average sea water temperature was in September, October and May.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Isla de Ometepe was 88.5°F. The maximum and minimum values were 87.4°F and 90.8°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Isla de Ometepe was 89.2°F. The maximum and minimum values were 88.2°F and 90.0°F respectively.

Sea Water Temperature in May

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Isla de Ometepe was 87.8°F. The maximum and minimum values were 85.8°F and 88.8°F respectively.

Best Time to Visit Isla de Ometepe
The most sunny months:
March 15 days
February 14 days
April 12 days
The most warm months:
April 94.2 °F
May 92.8 °F
March 92.1 °F
Warmest sea temperature:
September 89.3 °F
October 89.2 °F
May 88.3 °F
The most cold months:
November 83.2 °F
December 84.6 °F
October 84.8 °F
The most rainy months:
June 11 days
October 9 days
September 8 days
The most windy months:
February 16 mph
January 16 mph
December 14 mph

Isla de Ometepe on the Weather Map

Nicaragua Resorts:
NAME
Apoyo Lake +84
Ciudad Sandino +82
Corn Islands +86
El Transito +84
Granada +84
Isla de Ometepe +84
Las Salinas +84
Leon +84
Managua +82
Masachapa +84
Masaya +80
Pochomil +84
San Diego +84
San Juan del Sur +84
Tola +84
24 Hours Weather Forecast
Isla de Ometepe
Local time: 05:40
09 may, saturday
0600 84°F
W
17 mph
0900 88°F
W
20 mph
1200 94°F
W
14 mph
1500 98°F
W
15 mph
1800 92°F
NW
21 mph
2100 86°F
W
24 mph
10 may, sunday
0000 84°F
W
22 mph
0300 84°F
W
20 mph