Measurements:
°C
°F
Jaco
80°F
W 5 mph
Feels like: 84°F
Precip: 100%
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

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

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

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

Precipitation Totals in January, in

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

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

Average Sunny Hours Per Day

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 89.6 °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

Jaco on the Weather Map

Costa Rica Resorts:
NAME
Alajuela +58
Cahuita +76
Heredia +58
Jaco +80
Limon +76
Playa Flamingo +78
Playas del Coco +78
Puerto Limon +76
Puerto Viejo de Talamanca +74
Quepos +74
Samara +78
San Jose +54
Santa Teresa +82
Tamarindo +78
Tortuguero +76
24 Hours Weather Forecast
Jaco
Local time: 23:57
05 dec, friday
0000 80°F
W
5 mph
0300 78°F
SW
6 mph
0600 78°F
SW
6 mph
0900 84°F
W
3 mph
1200 84°F
N
6 mph
1500 84°F
N
6 mph
1800 82°F
NW
6 mph
2100 80°F
W
5 mph