Measurements:
°C
°F
Medan
82°F
NW 2 mph
Feels like: 88°F
Precip: 100%
World Resorts Indonesia Medan Weather

Medan Sea Water Temperature

Current Sea Water Temperature:
+91.6°F
Maximum Sea Water Temperature in May: 92.6°F
Minimum Sea Water Temperature in May: 87.6°F
Average water temperature in May: 90.4°F

Sea Water Temperature for the Last 10 Days:

May 30 91.6°F May 25 91.6°F
May 29 91.4°F May 24 91.6°F
May 28 91.8°F May 23 91.0°F
May 27 91.8°F May 22 90.6°F
May 26 91.8°F May 21 89.8°F

When is the Warmest Sea for Medan?

According to our data for the last three years for Medan the highest average sea water temperature was in June, May and July.

Average Water Temperature by Month, °F

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Medan was 90.6°F. The maximum and minimum values were 89.8°F and 90.8°F respectively.

Sea Water Temperature in May

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Medan was 91.3°F. The maximum and minimum values were 89.8°F and 92.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Medan was 90.4°F. The maximum and minimum values were 90.0°F and 91.0°F respectively.

Best Time to Visit Medan
The most sunny months:
March 13 days
July 12 days
June 11 days
The most warm months:
May 93.8 °F
April 93.8 °F
June 93.5 °F
Warmest sea temperature:
June 90.4 °F
May 90.4 °F
July 90.0 °F
The most cold months:
December 89.4 °F
January 90.1 °F
November 90.4 °F
The most rainy months:
November 12 days
October 11 days
September 11 days
The most windy months:
December 4 mph
March 4 mph
February 4 mph

Medan on the Weather Map

Indonesia Resorts:
NAME
Bali +70
Bintan +86
Denpasar +78
Gili +76
Jakarta +88
Jimbaran +84
Kuta +84
Lombok +76
Medan +82
Nusa Dua +84
Padang +78
Sanur +78
Seminyak +84
Surabaya +82
Yogyakarta +72
24 Hours Weather Forecast
Medan
Local time: 20:12
30 may, saturday
2100 82°F
NW
2 mph
31 may, sunday
0000 80°F
E
5 mph
0300 78°F
NE
5 mph
0600 76°F
NE
5 mph
0900 84°F
NE
4 mph
1200 92°F
W
1 mph
1500 92°F
SW
8 mph
1800 86°F
SW
6 mph