Measurements:
°C
°F
CURRENT WEATHER
02:43
Jaco
82°F
S 6 mph
Feels like: 88°F
Precip: 7%
World Resorts Costa Rica Jaco Weather

7 Day Weather Forecast

08.10
mon
DAY
88°F
NE 5 mph
precip
4%
NIGHT
84°F
SW 3 mph
precip
14%
08.11
tue
DAY
90°F
NE 6 mph
precip
17%
NIGHT
86°F
SW 4 mph
precip
15%
08.12
wed
DAY
88°F
N 6 mph
precip
25%
NIGHT
84°F
S 3 mph
precip
49%
08.13
thu
DAY
88°F
NE 6 mph
precip
14%
NIGHT
84°F
SW 3 mph
precip
20%
08.14
fri
DAY
88°F
N 6 mph
precip
23%
NIGHT
84°F
SW 4 mph
precip
21%
08.15
sat
DAY
86°F
NW 4 mph
precip
10%
NIGHT
80°F
NW 6 mph
precip
54%
08.16
sun
DAY
84°F
SE 6 mph
precip
21%
NIGHT
82°F
NE 4 mph
precip
79%

Jaco Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Jaco was 29.1°F. The maximum and minimum values were 29.0°F and 29.5°F respectively.

Jaco on the Weather Map

Best Time to Visit Jaco
The most sunny months:
March 12 days
February 11 days
January 8 days
The most warm months:
April 89.0 °F
March 88.9 °F
February 88.4 °F
Warmest sea temperature:
April 89.7 °F
May 89.4 °F
March 89.3 °F
The most cold months:
November 83.9 °F
October 84.7 °F
August 85.2 °F
The most rainy months:
August 24 days
September 21 days
October 21 days
The most windy months:
February 5 mph
March 5 mph
April 4 mph
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