Weather Cerro Barú long-term weather forecast

Long-term weather forecast for Cerro Barú for ten days.

Sunday, May 3

23 / 17°C

12.2 mm

3 km/h

18 °C	20 °C	12 am
17 °C	19 °C	6 am
23 °C	27 °C	12 pm
20 °C	23 °C	6 pm

sunrise 5:17 am
sunset 5:46 pm

HOURLY

During the day overcast, later morning rain showers, in the afternoon heavy rain. The highest temperature 23 °C. Total rainfall 12.2 mm. At night the lowest temperature 17 °C.

Interactive map weather Costa Rica

GPS: 9.3333; -83.7833

altitude: 670 m
local time:

PLACES IN THE AREA

Weather forecast Cerro Barú, Costa Rica extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Sunday 05/03/2026
12 AM 2 AM	overcast	18 °C 20 °C	0.1 mm	0.7 m/s 3 km/h northeast	1013 hPa	89 %	16 °C	96 %	0%	14%	6%	96%
6 AM 8 AM	rain showers	17 °C 18 °C	3.1 mm	2.0 m/s 7 km/h north-northeast	1013 hPa	91 %	15 °C	72 %	0%	66%	25%	6%
12 PM 2 PM	heavy rain	23 °C 27 °C	9.0 mm	0.9 m/s 3 km/h west-southwest	1013 hPa	87 %	20 °C	100 %	0%	100%	27%	92%
6 PM 8 PM	overcast	20 °C 23 °C	0.0 mm	0.4 m/s 1 km/h southwest	1012 hPa	98 %	19 °C	100 %	0%	85%	12%	100%
Monday 05/04/2026
12 AM 2 AM	overcast	19 °C 22 °C	0.0 mm	0.5 m/s 2 km/h east	1013 hPa	96 %	18 °C	100 %	0%	21%	44%	100%
6 AM 8 AM	heavy rain	19 °C 21 °C	8.5 mm	0.7 m/s 3 km/h east-northeast	1012 hPa	83 %	16 °C	99 %	0%	8%	12%	99%
12 PM 2 PM	heavy rain	21 °C 24 °C	5.9 mm	0.7 m/s 3 km/h south	1013 hPa	91 %	19 °C	100 %	0%	98%	43%	100%
6 PM 8 PM	overcast	19 °C 22 °C	0.0 mm	0.2 m/s 1 km/h north	1011 hPa	98 %	19 °C	100 %	0%	57%	1%	100%

Cerro Barú, Costa Rica - information

State: Costa Rica

GPS coordinates: 9.3333; -83.7833

Time zone: America / Costa Rica time difference in hours with time in US is -8 hours

Altitude: 670 m
The administrative part:

Provincia de San José, San José
Cantón de Pérez Zeledón, Mercedes, San José

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Weather Cerro Barú, Costa Rica. Weather forecast Cerro Barú.

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Data source

Weather forecast for Cerro Barú is supplied by MET Norway Norwegian Meteorological Institute and the NRK.

Feels like

To calculate the perceived temperature, we use the Australian Apparent Temperature (AAT) model, which is designed for year-round calculations and takes air humidity into account in addition to temperature and wind speed.

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Astronomical information Cerro Barú

data are always in the local time

Sun and light

May 3, 2026

Sunrise:	Sunset:
5:17 am	5:46 pm
Noon:	Length of day:
11:31 am	12:28
Start of civil twilight*:	End of civil twilight*:
4:55 am	6:08 pm
Start of nautical twilight*:	End of nautical twilight*:
4:30 am	6:33 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:04 am	6:59 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
05/02/2026 6:42 pm	05/03/2026 6:30 am
Next new moon:	Next full moon:
05/16/2026	05/31/2026