Measurements:
°C
°F
CURRENT WEATHER
08:49
Jaco
86°F
S 1 mph
Feels like: 94°F
Precip: 100%
World Resorts Costa Rica Jaco Weather

7 Day Weather Forecast

05.29
fri
DAY
88°F
NE 7 mph
precip
100%
NIGHT
82°F
SW 4 mph
precip
0%
05.30
sat
DAY
86°F
N 7 mph
precip
100%
NIGHT
84°F
NW 4 mph
precip
0%
05.31
sun
DAY
88°F
N 10 mph
precip
100%
NIGHT
84°F
NW 7 mph
precip
100%
06.01
mon
DAY
88°F
N 6 mph
precip
100%
NIGHT
84°F
S 4 mph
precip
0%
06.02
tue
DAY
88°F
N 4 mph
precip
0%
NIGHT
84°F
SW 2 mph
precip
0%
06.03
wed
DAY
88°F
N 6 mph
precip
100%
NIGHT
84°F
SW 2 mph
precip
0%
06.04
thu
DAY
88°F
N 8 mph
precip
100%
NIGHT
84°F
NW 3 mph
precip
100%

Jaco Sea Water Temperature in May, °F

Select Year: 2026 2025 2024

The average sea surface temperature in May 2026 for Jaco was 30.2°F. The maximum and minimum values were 29.8°F and 30.7°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
July 22 days
June 22 days
The most windy months:
February 5 mph
March 5 mph
April 4 mph
more details