Weather San Luis, Guanacaste long-term weather forecast

Long-term weather forecast for San Luis, Guanacaste for ten days.

Thursday, Jan 15

31 / 25°C

0.0 mm

22 km/h

25 °C	28 °C	12 am
25 °C	28 °C	6 am
31 °C	33 °C	12 pm
26 °C	29 °C	6 pm

sunrise 6:01 am
sunset 5:36 pm

HOURLY

During the day morning cloudy, later morning overcast, in the afternoon partly cloudy, in the evening initially partly cloudy, later cloudy. The highest temperature 31 °C. At night overcast. The lowest temperature 25 °C.

Interactive map weather Costa Rica

GPS: 10.5081; -84.9370

altitude: 612 m
local time:

PLACES IN THE AREA

Weather forecast San Luis, Guanacaste, Costa Rica extended forecast

Time			Precip.	Wind	Pressure	Humidity	Dew	total	Fog	Low	Middle	High
Thursday 01/15/2026
12 AM 1 AM	cloudy	25 °C 28 °C	0.0 mm	3.7 m/s 13 km/h northeast	1010 hPa	72 %	19 °C	53 %	0%	53%	0%	0%
6 AM 7 AM	overcast	25 °C 28 °C	0.0 mm	4.1 m/s 15 km/h northeast	1010 hPa	72 %	19 °C	94 %	0%	94%	0%	0%
12 PM 1 PM	partly cloudy	31 °C 33 °C	0.0 mm	6.2 m/s 22 km/h northeast	1009 hPa	50 %	19 °C	21 %	0%	13%	0%	8%
6 PM 7 PM	cloudy	26 °C 29 °C	0.0 mm	5.1 m/s 18 km/h northeast	1009 hPa	69 %	20 °C	55 %	0%	45%	20%	0%
Friday 01/16/2026
12 AM 1 AM	overcast	25 °C 28 °C	0.0 mm	4.3 m/s 15 km/h northeast	1010 hPa	74 %	19 °C	98 %	0%	98%	6%	0%
6 AM 7 AM	overcast	24 °C 26 °C	0.0 mm	3.6 m/s 13 km/h northeast	1010 hPa	73 %	19 °C	99 %	0%	99%	2%	3%
12 PM 1 PM	partly cloudy	30 °C 32 °C	0.0 mm	6.7 m/s 24 km/h northeast	1010 hPa	50 %	19 °C	32 %	0%	29%	7%	0%
6 PM 7 PM	cloudy	26 °C 28 °C	0.0 mm	5.4 m/s 19 km/h northeast	1008 hPa	67 %	19 °C	79 %	0%	77%	12%	0%

San Luis, Guanacaste, Costa Rica - information

State: Costa Rica

GPS coordinates: 10.5081; -84.9370

Time zone: America / Costa Rica time difference in hours with time in US is -7 hours

Altitude: 612 m
The administrative part:

Provincia de Guanacaste, Liberia
Cantón de Tilarán, Tilaran

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Weather San Luis, Guanacaste, Costa Rica. Weather forecast San Luis, Guanacaste.

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Data source

Weather forecast for San Luis, Guanacaste 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.

Weather with Meteobox for your website

Astronomical information San Luis, Guanacaste

data are always in the local time

Sun and light

Jan. 15, 2026

Sunrise:	Sunset:
6:01 am	5:36 pm
Noon:	Length of day:
11:49 am	11:35
Start of civil twilight*:	End of civil twilight*:
5:38 am	5:59 pm
Start of nautical twilight*:	End of nautical twilight*:
5:13 am	6:25 pm
Start of astronomical twilight*:	End of astronomical twilight*:
4:47 am	6:50 pm
* What is Twilight?

Moon and moon phases

Moonrise:	Moonset:
01/15/2026 3:23 am	01/15/2026 3:01 pm
Next new moon:	Next full moon:
01/18/2026	02/01/2026