27.08
thu
thu
Day

86°F
SW 22 mph
Precip.
10%
10%
Night

81°F
W 23 mph
Precip.
24%
24%
28.08
fri
fri
Day

88°F
W 22 mph
Precip.
13%
13%
Night

81°F
W 24 mph
Precip.
20%
20%
29.08
sat
sat
Day

86°F
W 19 mph
Precip.
16%
16%
Night

81°F
W 22 mph
Precip.
28%
28%
30.08
sun
sun
Day

84°F
SW 19 mph
Precip.
23%
23%
Night

81°F
W 19 mph
Precip.
63%
63%
31.08
mon
mon
Day

86°F
W 16 mph
Precip.
11%
11%
Night

81°F
W 19 mph
Precip.
23%
23%
01.09
tue
tue
Day

82°F
W 19 mph
Precip.
20%
20%
Night

81°F
W 14 mph
Precip.
42%
42%
02.09
wed
wed
Day

82°F
NW 12 mph
Precip.
18%
18%
Night

81°F
W 15 mph
Precip.
76%
76%
sea water
temperature
temperature
| San Juan del Sur |
monthly
weather
weather
| San Juan del Sur |
current
weather
weather
| San Juan del Sur |
14 days
forecast
forecast
| San Juan del Sur |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 83.1°F. The highest and lowest sea temperatures during the month were 84.0°F and 82.0°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 83.7°F. The highest and lowest sea temperatures during the month were 84.9°F and 82.8°F.
Air temperature in San Juan del Sur, °F
Precipitation total in San Juan del Sur, in.
* Charts above show average data for the last 3 years.
Best time for vacation in San Juan del Sur
San Juan del Sur on a weather map
Places in Nicaragua:
Name
°F
24 Hours Forecast
San Juan del Sur
Local time: 22:08
August 28, friday
0000

81°F
W
23 mph
23 mph
0300

81°F
SW
24 mph
24 mph
0600

81°F
SW
27 mph
27 mph
0900

84°F
W
25 mph
25 mph
1200

88°F
W
22 mph
22 mph
1500

88°F
W
22 mph
22 mph
1800

86°F
W
24 mph
24 mph
2100

82°F
W
23 mph
23 mph


























