17.05
sun
sun
Day
90°F
S 3 mph
Precip.
0%
0%
Night
81°F
W 6 mph
Precip.
0%
0%
18.05
mon
mon
Day
91°F
SW 5 mph
Precip.
0%
0%
Night
81°F
W 7 mph
Precip.
0%
0%
19.05
tue
tue
Day
91°F
SE 4 mph
Precip.
0%
0%
Night
81°F
W 7 mph
Precip.
0%
0%
20.05
wed
wed
Day
91°F
S 4 mph
Precip.
0%
0%
Night
81°F
W 6 mph
Precip.
0%
0%
21.05
thu
thu
Day
90°F
E 7 mph
Precip.
64%
64%
Night
81°F
W 6 mph
Precip.
0%
0%
22.05
fri
fri
Day
91°F
SE 7 mph
Precip.
69%
69%
Night
81°F
W 7 mph
Precip.
0%
0%
23.05
sat
sat
Day
88°F
E 12 mph
Precip.
100%
100%
Night
81°F
W 2 mph
Precip.
0%
0%
24.05
sun
sun
Day
88°F
E 9 mph
Precip.
100%
100%
Night
79°F
SW 5 mph
Precip.
0%
0%
25.05
mon
mon
Day
88°F
SW 13 mph
Precip.
100%
100%
Night
79°F
SW 5 mph
Precip.
0%
0%
26.05
tue
tue
Day
84°F
SE 5 mph
Precip.
100%
100%
Night
79°F
W 4 mph
Precip.
0%
0%
27.05
wed
wed
Day
88°F
E 11 mph
Precip.
100%
100%
Night
79°F
W 3 mph
Precip.
0%
0%
28.05
thu
thu
Day
86°F
E 10 mph
Precip.
0%
0%
Night
81°F
SE 1 mph
Precip.
100%
100%
29.05
fri
fri
Day
84°F
E 8 mph
Precip.
100%
100%
Night
79°F
W 4 mph
Precip.
0%
0%
30.05
sat
sat
Day
86°F
E 8 mph
Precip.
70%
70%
Night
81°F
N 4 mph
Precip.
100%
100%
sea water
temperature
temperature
| Tamarindo |
monthly
weather
weather
| Tamarindo |
current
weather
weather
| Tamarindo |
7 days
forecast
forecast
| Tamarindo |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 85.9°F. The highest and lowest sea temperatures during the month were 86.9°F and 84.9°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 85.0°F. The highest and lowest sea temperatures during the month were 85.6°F and 84.2°F.
Air temperature in Tamarindo, °F
Precipitation total in Tamarindo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Tamarindo
Tamarindo on a weather map
Places in Costa Rica:
Name
°F
24 Hours Forecast
Tamarindo
Local time: 15:50
May 17, sunday
1800
84°F
NW
3 mph
3 mph
2100
82°F
W
5 mph
5 mph
May 18, monday
0000
81°F
W
6 mph
6 mph
0300
79°F
W
6 mph
6 mph
0600
79°F
SW
5 mph
5 mph
0900
86°F
SW
5 mph
5 mph
1200
91°F
SW
5 mph
5 mph
1500
93°F
SW
6 mph
6 mph
