Measurements:
°C
°F
Jaco
84°F
S 6 mph
Feels like: 88°F
Precip: 0%
World Resorts Costa Rica Jaco Weather January Weather in Jaco

Jaco Weather: January

Average Day Temperature: 86.7°F
Average Night Temperature: 79.5°F
Sea Water Temperature: 87.9°F
Number of Sunny Days: 7 days
Sunshine Hours: 11.6 - 11.7 hours
Number of Rainy Days: 3 days
Precipitation Totals: 1.8 in

Air Temperature in January, °F

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
Day Temperature   
Night Temperature

The highest day temperature in January 2025 was 88°F. The lowest night temperature was 78°F. The average values for day and night temperatures during January were 85.6°F и 78.9°F respectivly.

Jaco Water Sea Temperature in January, °F

Select Year: 2025 2024 2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
81
84
87
90
93
96

The average sea surface temperature in January 2025 for Jaco was 87.5°F. The maximum and minimum values were 85.8°F and 89.2°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
22%
41%
38%

Most of the days in January are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in January, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
3.3
6.5
9.8
13.1
16.3
19.6
22.9

Precipitation total in January for Jaco is 1.8 in. It makes january one of the least rainy months of the year.

Wind Speed in January, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.9
1.8
2.7
3.6
4.5
5.4
6.3

The average wind speed in January is 4.5 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.2
2.4
3.7
4.9
6.1
7.3
8.5

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Jaco in January is 5.8 hours.

Best Time to Visit Jaco
The most sunny months:
February 11 days
March 10 days
January 7 days
The most warm months:
April 89.1 °F
March 89.0 °F
February 88.5 °F
Warmest sea temperature:
April 89.4 °F
March 89.2 °F
May 89.2 °F
The most cold months:
November 83.7 °F
October 84.8 °F
August 85.1 °F
The most rainy months:
August 26 days
July 24 days
September 23 days
The most windy months:
February 5 mph
March 5 mph
November 4 mph

Jaco on the Weather Map

Costa Rica Resorts:
NAME
Alajuela +66
Cartago +58
Heredia +62
Jaco +84
Limon +76
Playa Flamingo +82
Playas del Coco +82
Puerto Limon +76
Puerto Viejo de Talamanca +76
Quepos +84
Samara +80
San Jose +62
Santa Teresa +84
Tamarindo +82
Tortuguero +78
24 Hours Weather Forecast
Jaco
Local time: 05:05
05 apr, saturday
0600 84°F
S
6 mph
0900 88°F
SE
3 mph
1200 90°F
NE
7 mph
1500 90°F
N
8 mph
1800 86°F
NE
4 mph
2100 86°F
NW
1 mph
06 apr, sunday
0000 84°F
S
2 mph
0300 84°F
S
4 mph