Live Weather & Forecast
Weather in Guanacaste
Costa Rica · Real-time conditions & 3-day outlook
30°C
Feels like 31°C
86°F / Feels 88°F
Patchy rain nearby
Guanacaste, Costa Rica
🌞 Daytime
Updated: 2026-05-12 12:30
Humidity
49%
Wind
21.2 km/h ENE
Wind Gust
24.7 km/h
Pressure
1011 mb
Visibility
10 km
UV Index
12.2
(Extreme)
Precipitation
0.04 mm
Cloud Cover
65%
Dew Point
18.1°C
Wind Degree
57°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
129.9 μg/m³
NO₂
4.9 μg/m³
O₃
45 μg/m³
SO₂
4.4 μg/m³
PM 2.5
6.3 μg/m³
PM 10
7.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Guanacaste, Costa Rica
12 AM
22°
Patchy rain nearby
1 AM
22°
Patchy rain nearby
2 AM
22°
Patchy rain nearby
3 AM
22°
Patchy rain nearby
4 AM
22°
Patchy rain nearby
5 AM
22°
Patchy rain nearby
6 AM
22°
Patchy rain nearby
7 AM
23°
Patchy rain nearby
8 AM
25°
Patchy rain nearby
9 AM
27°
Patchy rain nearby
10 AM
28°
Patchy rain nearby
11 AM
29°
Patchy rain nearby
12 PM
30°
Patchy rain nearby
1 PM
30°
Patchy rain nearby
2 PM
30°
Partly Cloudy
3 PM
30°
Partly Cloudy
4 PM
29°
Sunny
5 PM
27°
Sunny
6 PM
25°
Clear
7 PM
24°
Clear
8 PM
23°
Clear
9 PM
23°
Clear
10 PM
22°
Patchy rain nearby
11 PM
22°
Patchy rain nearby
3-Day Forecast
Daily overview for Guanacaste, Costa Rica
Today
Patchy rain nearby
30°
/
22°
🌧️ 82% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 21.6 km/h
🌧️ Total precip: 0.75 mm
☀️ UV Index: 12.2
🌅 Sunrise: 05:19 AM
🌇 Sunset: 05:54 PM
🌙 Waning Crescent
🌑 Moon: 29% lit
Wed, May 13
Patchy rain nearby
30°
/
22°
🌧️ 88% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 25.6 km/h
🌧️ Total precip: 1.11 mm
☀️ UV Index: 11.2
🌅 Sunrise: 05:19 AM
🌇 Sunset: 05:55 PM
🌙 Waning Crescent
🌑 Moon: 19% lit
Thu, May 14
Patchy rain nearby
29°
/
21°
🌧️ 88% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 23.8 km/h
🌧️ Total precip: 1.98 mm
☀️ UV Index: 12.7
🌅 Sunrise: 05:19 AM
🌇 Sunset: 05:55 PM
🌙 Waning Crescent
🌑 Moon: 11% lit
Best Time to Visit Guanacaste
Plan your trip around the most favorable weather conditions in Guanacaste, Costa Rica.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Guanacaste?
Current conditions in Guanacaste: Patchy rain nearby, temperature 30°C, humidity 49%.
What is the best time to visit Guanacaste?
The best time to visit Guanacaste is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Guanacaste?
Guanacaste shares the climate of Costa Rica. It has a tropical or subtropical climate.
Does it rain a lot in Guanacaste?
Rainfall patterns in Guanacaste vary by season. Being in a tropical zone, Guanacaste can experience heavy rainfall during the wet season (June – September).
What should I pack for Guanacaste?
For visits during November – April: light clothing and sun protection. For the June – September period: layers and a waterproof jacket are recommended for Guanacaste.
What country is Guanacaste in?
Guanacaste is a state/province of Costa Rica.
What are the public holidays in Guanacaste in 2026?
View the full list of 2026 public holidays for Guanacaste on our Holidays page.
What are the coordinates for the weather forecast in Guanacaste?
The weather forecast for Guanacaste is based on coordinates 10.5266, -85.2548.