Guanacaste Province weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Guanacaste Province, Costa Rica. Like most weather services, we show Guanacaste Province at one spot: Liberia, its largest city. At 1:15 PM local time it was mostly clear and 32°C (90°F). Light rain for 2 of the next 24 hours (under 1 mm/h, 0.2 mm total) — cloudy, but fine to be out. Best months for weather: Dec–Mar.
Current conditions
- Clouds
- 43%
- Chance of rain
- 14%
- Rain
- 0.1 mm/h
Hourly Forecast
Light rain for 2 of the next 24 hours (under 1 mm/h, 0.2 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Dec–MarOff season May–Jun, Aug–Oct
About Liberia weather
Is it raining in Liberia right now?
No. It’s mostly clear and 32° right now. Light rain for 2 of the next 24 hours (under 1 mm/h, 0.2 mm total) — cloudy, but fine to be out.
What’s the weather like in Liberia this week?
Over the next 7 days, expect highs of 28–33° and lows of 23–24°. Rain is likely on 5 of 7 days (Monday, Tuesday, Wednesday, Thursday, Friday). The driest day looks like Sunday.
Has it been raining in Liberia lately?
Barely. The past 7 days were mostly dry, with 0.8 mm of rain in total.
What should I pack for Liberia?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Guanacaste Province weather by month
When is the best time to visit Guanacaste Province?
Based on weather alone, the best time to visit Guanacaste Province is Dec–Mar, according to NASA's 2001–2025 climate averages. May–Jun, Aug–Oct tends to be the least pleasant. Average highs run from 29°C (83°F) in October to 35°C (95°F) in April.
What is the rainiest month in Guanacaste Province?
October is the wettest month, with about 359 mm (14.1 in) of rain on average. February is the driest, with about 3 mm (0.1 in).
What is the hottest month in Guanacaste Province?
April is the warmest, with average highs of 35°C (95°F) and lows of 25°C (76°F). October is the coolest, with highs of 29°C (83°F) and lows of 24°C (75°F).
Does Guanacaste Province have a rainy season?
Yes. May–Nov is the rainy season (150 mm or more a month), while Dec–Apr is usually dry (under 60 mm).
How warm is the sea in Guanacaste Province?
The sea is warmest in May at about 31°C (87°F) and coolest in December at about 28°C (82°F). It is warm enough for swimming all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Liberia), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Guanacaste Province
Weather can differ a lot within Guanacaste Province: coasts, hills and mountains each have their own climate.