Guanacaste Province (Liberia)
December
Weather in Guanacaste Province for December 2025
Your guide to Guanacaste Province weather in December - trends and predictions
Until now, December 2025 in Guanacaste Province has been nearly identical to the historical average, with a temperature of 28.9 °C (showing only a slight deviation of -0.1 °C).
The forecast for the next days in Guanacaste Province predicts temperatures to be around 30 °C, close to the historical average.
In general, the average temperature in Guanacaste Province at the beginning of December is 29 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.9 °C by the end of December.
With an average of 3 rainy days, Guanacaste Province experiences minimal rainfall in December.
Temperatures
Rain 🌧️
28
Dry days
3
Rainy days
0
Snow days
29°/22°
Temperatures
15 km/h
Avg max wind
77 %
Avg humidity
Guanacaste Province Weather December
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What’s the Weather Like in Guanacaste Province This December?
Discover the average temperatures and weather trends across Guanacaste Province’s cities this December.
Temperatures trend during December in Guanacaste Province
See the weather trend as well as the moving average line
December weather in Guanacaste Province day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Sunny | 29° /22° | 2.4 mm | 7 | |
| 2 Dec. |  Patchy rain possible | 29° /22° | 1.2 mm | 6 | |
| 3 Dec. | Patchy rain possible | 29° /22° | 0.4 mm | 6 | |
| 4 Dec. | Sunny | 29° /22° | 0.6 mm | 7 | |
| 5 Dec. | Patchy rain possible | 29° /21° | 0.5 mm | 6 | |
| 6 Dec. | Patchy rain possible | 29° /21° | 1.1 mm | 6 | |
| 7 Dec. | Patchy rain possible | 29° /21° | 1.3 mm | 6 | |
| 8 Dec. | Patchy rain possible | 29° /21° | 4.4 mm | 6 | |
| 9 Dec. | Patchy rain possible | 29° /22° | 0.7 mm | 6 | |
| 10 Dec. | Patchy rain possible | 29° /22° | 0.4 mm | 6 | |
| 11 Dec. | Patchy rain possible | 29° /22° | 0.4 mm | 6 | |
| 12 Dec. | Patchy rain possible | 29° /22° | 0.4 mm | 6 | |
| 13 Dec. | Patchy rain possible | 29° /22° | 0.1 mm | 6 | |
| 14 Dec. | Patchy rain possible | 28° /22° | 0.5 mm | 6 | |
| 15 Dec. | Patchy rain possible | 29° /21° | 0 mm | 7 | |
| 16 Dec. | Sunny | 30° /22° | 0.1 mm | 2.2 | |
| 17 Dec. |  Partly cloudy | 30° /22° | 0 mm | 2.2 | |
| 18 Dec. | Patchy rain possible | 30° /22° | 0.8 mm | 2.1 | |
| 19 Dec. | Sunny | 30° /21° | 0 mm | 2.2 | |
| 20 Dec. | Sunny | 30° /22° | 0 mm | 0 | |
| 21 Dec. | Sunny | 31° /22° | 0 mm | 7 | |
| 22 Dec. | Sunny | 29° /22° | 0 mm | 6 | |
| 23 Dec. | Sunny | 29° /22° | 0 mm | 6 | |
| 24 Dec. | Sunny | 29° /22° | 0 mm | 6 | |
| 25 Dec. | Sunny | 30° /23° | 0 mm | 7 | |
| 26 Dec. | Sunny | 30° /21° | 0 mm | 6 | |
| 27 Dec. | Sunny | 30° /21° | 0 mm | 6 | |
| 28 Dec. | Sunny | 30° /21° | 0 mm | 6 | |
| 29 Dec. | Sunny | 30° /21° | 0 mm | 6 | |
| 30 Dec. |  Cloudy | 29° /22° | 5.8 mm | 7 | |
| 31 Dec. | Patchy rain possible | 30° /21° | 0.1 mm | 7 | |
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Important Notice
Our weather forecast for Guanacaste Province in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Guanacaste Province forecast closer to your planned date for the most up-to-date weather information.
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Guanacaste Province in December - FAQ
What are the expected maximum and minimum temperatures in Guanacaste Province during December?
During December, expect a variety of temperatures with highs around 29° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guanacaste Province during December?
Expect minimal rainfall in Guanacaste Province during December, with a total of 17.7 mm over approximately 3 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Guanacaste Province during December?
The average wind speed in Guanacaste Province during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Guanacaste Province
Explore the daily rainfall trends and prepare for Guanacaste Provinces December weather 💧
Typically, Guanacaste Province has 3 rainy days in December with a total of 17.7 mm of rainfall.
UV exposure in Guanacaste Province during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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Where is Guanacaste Province?Get accurate weather forecasts for Guanacaste Province, located at latitude 10.635 and longitude -85.438. Stay updated with localized weather information tailored for Guanacaste Province.
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