Arenal Viejo
December
Weather in Arenal Viejo for December 2026
Your guide to Arenal Viejo weather in December - trends and predictions
In general, the average temperature in Arenal Viejo at the beginning of December is 28 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 28.6 °C by the end of December.
Arenal Viejo experiences moderate rainfall in December, with an average of 6 rainy days and a total precipitation of 102.4 mm.
Temperatures
Rain 🌧️
25
Dry days
6
Rainy days
0
Snow days
29°/22°
Temperatures
10 km/h
Avg max wind
76 %
Avg humidity
Arenal Viejo Weather December
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Temperatures trend during December in Arenal Viejo
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December weather in Arenal Viejo day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. | Light rain shower | 28° /23° | 3.9 mm | 6 | |
| 2 Dec. | Patchy rain possible | 26° /23° | 2.3 mm | 6 | |
| 3 Dec. | Patchy rain possible | 29° /23° | 0 mm | 7 | |
| 4 Dec. | Patchy rain possible | 29° /23° | 0.7 mm | 6 | |
| 5 Dec. | Patchy rain possible | 28° /22° | 0.9 mm | 6 | |
| 6 Dec. | Light rain shower | 28° /22° | 2 mm | 6 | |
| 7 Dec. | Patchy rain possible | 28° /23° | 3 mm | 6 | |
| 8 Dec. | Patchy rain possible | 28° /22° | 7.3 mm | 6 | |
| 9 Dec. | Light rain shower | 28° /22° | 3 mm | 6 | |
| 10 Dec. | Patchy rain possible | 28° /22° | 0.4 mm | 6 | |
| 11 Dec. | Patchy rain possible | 28° /23° | 1.1 mm | 6 | |
| 12 Dec. | Patchy rain possible | 29° /22° | 0.2 mm | 6 | |
| 13 Dec. | Patchy rain possible | 29° /23° | 0.1 mm | 6 | |
| 14 Dec. | Partly cloudy | 29° /22° | 1.3 mm | 7 | |
| 15 Dec. | Patchy rain possible | 29° /23° | 0 mm | 6 | |
| 16 Dec. | Patchy rain possible | 29° /22° | 0 mm | 6 | |
| 17 Dec. | Patchy rain possible | 29° /22° | 0.4 mm | 6 | |
| 18 Dec. | Patchy rain possible | 29° /22° | 0.3 mm | 6 | |
| 19 Dec. | Patchy rain possible | 29° /22° | 0.1 mm | 7 | |
| 20 Dec. | Patchy rain possible | 29° /23° | 0.2 mm | 6 | |
| 21 Dec. | Patchy rain possible | 29° /22° | 0.5 mm | 6 | |
| 22 Dec. | Patchy rain possible | 30° /22° | 0.1 mm | 6 | |
| 23 Dec. | Light rain shower | 29° /22° | 1 mm | 6 | |
| 24 Dec. | Patchy rain possible | 29° /22° | 0.5 mm | 6 | |
| 25 Dec. | Light rain shower | 29° /22° | 2.7 mm | 6 | |
| 26 Dec. | Light drizzle | 28° /22° | 1.8 mm | 6 | |
| 27 Dec. | Light rain shower | 28° /22° | 1.1 mm | 6 | |
| 28 Dec. | Patchy light rain | 29° /23° | 3.2 mm | 6 | |
| 29 Dec. | Moderate or heavy rain shower | 29° /23° | 7.2 mm | 6 | |
| 30 Dec. | Light rain shower | 28° /23° | 3.2 mm | 6 | |
| 31 Dec. | Patchy rain possible | 29° /23° | 2.8 mm | 6 | |
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Important Notice
Our weather forecast for Arenal Viejo 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 Arenal Viejo forecast closer to your planned date for the most up-to-date weather information.
Change Month
Arenal Viejo in December - FAQ
What are the expected maximum and minimum temperatures in Arenal Viejo 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 Arenal Viejo during December?
Significant rainfall exceeding 102.4 mm is expected in Arenal Viejo during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Arenal Viejo during December?
The average wind speed in Arenal Viejo during December is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Arenal Viejo
Explore the daily rainfall trends and prepare for Arenal Viejos December weather 💧
Typically, Arenal Viejo has 6 rainy days in December with a total of 102.4 mm of rainfall.
UV exposure in Arenal Viejo during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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