Measurements:
°C
°F
CURRENT WEATHER
17:17
Jaco
84°F
NW 3 mph
Feels like: 90°F
Precip: 19%
World Resorts Costa Rica Jaco Weather

14 Day Weather Forecast

09.28
mon
DAY
86°F
N 7 mph
precip
7%
NIGHT
84°F
SW 2 mph
precip
21%
09.29
tue
DAY
86°F
NE 6 mph
precip
18%
NIGHT
84°F
W 2 mph
precip
12%
09.30
wed
DAY
86°F
NE 7 mph
precip
19%
NIGHT
84°F
W 2 mph
precip
19%
10.01
thu
DAY
86°F
N 7 mph
precip
19%
NIGHT
84°F
W 2 mph
precip
22%
10.02
fri
DAY
86°F
N 9 mph
precip
42%
NIGHT
82°F
SW 4 mph
precip
29%
10.03
sat
DAY
88°F
N 9 mph
precip
21%
NIGHT
82°F
W 8 mph
precip
57%
10.04
sun
DAY
86°F
N 8 mph
precip
17%
NIGHT
78°F
SW 4 mph
precip
87%
10.05
mon
DAY
84°F
NW 11 mph
precip
36%
NIGHT
78°F
W 7 mph
precip
31%
10.06
tue
DAY
82°F
NW 11 mph
precip
75%
NIGHT
78°F
NW 3 mph
precip
87%
10.07
wed
DAY
78°F
N 1 mph
precip
95%
NIGHT
78°F
W 4 mph
precip
40%
10.08
thu
DAY
78°F
N 4 mph
precip
70%
NIGHT
78°F
W 11 mph
precip
67%
10.09
fri
DAY
80°F
NW 7 mph
precip
71%
NIGHT
78°F
NW 15 mph
precip
91%
10.10
sat
DAY
78°F
W 14 mph
precip
91%
NIGHT
78°F
W 15 mph
precip
82%
10.11
sun
DAY
78°F
W 9 mph
precip
84%
NIGHT
78°F
W 9 mph
precip
69%

Jaco Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Jaco was 90.4°F. The maximum and minimum values were 89.8°F and 91.4°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
December 85.5 °F
The most rainy months:
August 21 days
October 21 days
July 20 days
The most windy months:
February 5 mph
March 5 mph
April 4 mph
more details
Costa Rica Resorts:
NAME
F°
Alajuela +68
Cahuita +84
El Roble +82
Heredia +66
Jaco +84
Limon +84
Playas del Coco +82
Puerto Limon +84
Puerto Viejo de Talamanca +84
Quepos +82
Samara +78
San Jose +66
Santa Teresa +86
Tamarindo +82
Tortuguero +84
all resorts
24 Hours Weather Forecast
Jaco
Local time: 17:17
28 sep, monday
1800 84°F
NW
3 mph
2100 84°F
SW
2 mph
29 sep, tuesday
0000 84°F
SW
2 mph
0300 82°F
SW
4 mph
0600 82°F
SW
2 mph
0900 86°F
NE
2 mph
1200 86°F
NE
6 mph
1500 86°F
NE
6 mph