Measurements:
°C
°F
CURRENT WEATHER
04:38
Jaco
76°F
SW 7 mph
Feels like: 80°F
Precip: 0%
World Resorts Costa Rica Jaco Weather

7 Day Weather Forecast

01.29
thu
DAY
86°F
NE 8 mph
precip
0%
NIGHT
80°F
SW 5 mph
precip
0%
01.30
fri
DAY
86°F
E 7 mph
precip
0%
NIGHT
80°F
S 3 mph
precip
0%
01.31
sat
DAY
86°F
E 7 mph
precip
0%
NIGHT
80°F
SW 7 mph
precip
100%
02.01
sun
DAY
88°F
N 5 mph
precip
0%
NIGHT
82°F
SW 8 mph
precip
100%
02.02
mon
DAY
88°F
NE 2 mph
precip
0%
NIGHT
80°F
S 11 mph
precip
0%
02.03
tue
DAY
88°F
S 7 mph
precip
0%
NIGHT
80°F
S 9 mph
precip
0%
02.04
wed
DAY
88°F
E 5 mph
precip
0%
NIGHT
80°F
S 7 mph
precip
0%

Jaco Sea Water Temperature in January, °F

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Jaco was 28.9°F. The maximum and minimum values were 28.6°F and 29.2°F respectively.

Jaco on the Weather Map

Best Time to Visit Jaco
The most sunny months:
February 11 days
March 10 days
January 8 days
The most warm months:
April 89.1 °F
March 89.0 °F
February 88.5 °F
Warmest sea temperature:
April 89.6 °F
May 89.3 °F
March 89.2 °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