Arenal Viejo
January
Weather in Arenal Viejo for January 2026
Your guide to Arenal Viejo weather in January - trends and predictions
In general, the average temperature in Arenal Viejo at the beginning of January is 28.1 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 31.9 °C by the end of January.
Arenal Viejo experiences moderate rainfall in January, with an average of 9 rainy days and a total precipitation of 14.2 mm.
Temperatures
Rain 🌧️
22
Dry days
9
Rainy days
0
Snow days
30°/23°
Temperatures
11 km/h
Avg max wind
71 %
Avg humidity
Arenal Viejo in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2 28° | 3 29° | 4 28° | |||
| 5 28° | 6 29° | 7 28° | 8 29° | 9 29° | 10 28° | 11  29° |
| 12  28° | 13 29° | 14 29° | 15 30° | 16 30° | 17 29° | 18 30° |
| 19  28° | 20 29° | 21 28° | 22 31° | 23  31° | 24 32° | 25 32° |
| 26 31° | 27 32° | 28 32° | 29 32° | 30 32° | 31 32° |
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Temperatures trend during January in Arenal Viejo
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Jan. | Light rain shower | 27° /23° | 5 mm | 6 | |
| 2 Jan. | Patchy rain possible | 28° /23° | 0.1 mm | 6 | |
| 3 Jan. | Patchy rain possible | 29° /23° | 0.8 mm | 6 | |
| 4 Jan. | Patchy rain possible | 28° /23° | 0.4 mm | 6 | |
| 5 Jan. | Light rain shower | 28° /22° | 0.9 mm | 6 | |
| 6 Jan. | Patchy rain possible | 29° /23° | 0.1 mm | 6 | |
| 7 Jan. | Light rain shower | 28° /24° | 1.3 mm | 6 | |
| 8 Jan. | Patchy rain possible | 29° /23° | 0 mm | 6 | |
| 9 Jan. | Patchy rain possible | 29° /23° | 0.8 mm | 6 | |
| 10 Jan. | Patchy rain possible | 28° /22° | 0.3 mm | 6 | |
| 11 Jan. | Partly cloudy | 29° /22° | 0 mm | 7 | |
| 12 Jan. | Sunny | 28° /22° | 0 mm | 7 | |
| 13 Jan. | Patchy rain possible | 29° /22° | 0.1 mm | 6 | |
| 14 Jan. | Patchy rain possible | 29° /21° | 0.2 mm | 6 | |
| 15 Jan. | Sunny | 30° /22° | 0 mm | 8 | |
| 16 Jan. | Partly cloudy | 30° /22° | 0 mm | 7 | |
| 17 Jan. | Patchy rain possible | 29° /22° | 0.1 mm | 6 | |
| 18 Jan. | Light rain shower | 30° /23° | 1 mm | 7 | |
| 19 Jan. | Patchy light drizzle | 28° /22° | 1.9 mm | 6 | |
| 20 Jan. | Light drizzle | 29° /22° | 0.8 mm | 6 | |
| 21 Jan. | Patchy rain possible | 28° /22° | 0.3 mm | 6 | |
| 22 Jan. | Partly cloudy | 31° /23° | 0 mm | 8 | |
| 23 Jan. | Cloudy | 31° /23° | 0 mm | 7 | |
| 24 Jan. | Partly cloudy | 32° /23° | 0 mm | 8 | |
| 25 Jan. | Patchy rain possible | 32° /23° | 0 mm | 7 | |
| 26 Jan. | Patchy rain possible | 31° /23° | 0.1 mm | 7 | |
| 27 Jan. | Patchy rain possible | 32° /23° | 0 mm | 7 | |
| 28 Jan. | Partly cloudy | 32° /23° | 0 mm | 8 | |
| 29 Jan. | Partly cloudy | 32° /23° | 0 mm | 8 | |
| 30 Jan. | Sunny | 32° /24° | 0 mm | 8 | |
| 31 Jan. | Sunny | 32° /23° | 0.2 mm | 8 | |
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Important Notice
Our weather forecast for Arenal Viejo in January 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.
Arenal Viejo in January - FAQ
What are the expected maximum and minimum temperatures in Arenal Viejo during January?
During January, expect a variety of temperatures with highs around 30° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Arenal Viejo during January?
Expect minimal rainfall in Arenal Viejo during January, with a total of 14.2 mm over approximately 9 days. This minimal precipitation is unlikely to significantly impact plans.
What are the typical wind conditions in Arenal Viejo during January?
The average wind speed in Arenal Viejo during January is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Arenal Viejo
Explore the daily rainfall trends and prepare for Arenal Viejos January weather 💧
UV exposure in Arenal Viejo during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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