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Jaco, Costa Rica Weather Averages

July is the hottest month in Jaco with an average temperature of 29°C (84°F) and the coldest is January at 25°C (77°F) with the most daily sunshine hours at 12 in June. The wettest month is September with an average of 130mm of rain. The best month to swim in the sea is in July when the average sea temperature is 13°C (55°F).

Average Temperature Jaco

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
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Average High Low Temperature Jaco

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
202222232325252524232322292929303131323232313029JanFebMarAprMayJunJulAugSepOctNovDec

Average Rainfall Jaco

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
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Average Daily Sunshine Hours Jaco

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
910111112121111910109JanFebMarAprMayJunJulAugSepOctNovDec

Average Sea Temperature Jaco

What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
9899101213131311109JanFebMarAprMayJunJulAugSepOctNovDec

Jaco : Next 24-Hour Weather

Today - 1st May 2025

Sunrise 05:22

Sunrise

Sunset 17:50

Sunset
4:00
Light rain shower
26°C (78°F)
5:00
Light rain shower
26°C (78°F)
6:00
Light rain shower
26°C (78°F)
7:00
Light rain shower
27°C (79°F)
8:00
Light rain shower
27°C (80°F)
9:00
Patchy rain possible
27°C (80°F)
10:00
Partly cloudy
27°C (81°F)
11:00
Overcast
28°C (82°F)
12:00
Overcast
28°C (82°F)
13:00
Partly cloudy
28°C (82°F)
14:00
Patchy rain possible
28°C (82°F)
15:00
Partly cloudy
28°C (82°F)
16:00
Patchy rain possible
28°C (82°F)
17:00
Light rain shower
28°C (81°F)
18:00
Patchy light drizzle
27°C (80°F)
19:00
Light rain shower
27°C (80°F)
20:00
Light rain shower
27°C (79°F)
21:00
Light rain shower
26°C (79°F)
22:00
Light rain shower
26°C (79°F)
23:00
Light rain shower
26°C (79°F)

Tomorrow - 2nd May 2025

Sunrise 05:22

Sunrise

Sunset 17:50

Sunset
0:00
Light rain shower
26°C (78°F)
1:00
Moderate rain
26°C (77°F)
2:00
Light rain shower
25°C (77°F)
3:00
Patchy rain possible
25°C (77°F)
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