Alajuela Province (La Fortuna)
December
Weather in Alajuela Province for December 2025
Your guide to Alajuela Province weather in December - trends and predictions
So far, December 2025 in Alajuela Province is slightly warmer than the historical average by 1 °C.
Expect cooler weather in the next days in Alajuela Province with the forecast suggesting a temperature of 26.7 °C, lower than the historical average.
In general, the average temperature in Alajuela Province at the beginning of December is 25.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 27 °C by the end of December.
Alajuela Province experiences heavy rainfall in December, with over 20 rainy days and an average total precipitation 481.4 mm.
Temperatures
Rain 🌧️
1
Dry days
30
Rainy days
0
Snow days
26°/19°
Temperatures
8 km/h
Avg max wind
93 %
Avg humidity
Alajuela Province Weather December
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Temperatures trend during December in Alajuela Province
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December weather in Alajuela Province day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Dec. |  Light rain shower | 26° /19° | 18.2 mm | 6 | |
| 2 Dec. | Light rain shower | 26° /18° | 16 mm | 6 | |
| 3 Dec. | Light rain shower | 25° /18° | 3 mm | 6 | |
| 4 Dec. | Light rain shower | 24° /18° | 16.8 mm | 6 | |
| 5 Dec. | Light rain shower | 25° /18° | 8.9 mm | 6 | |
| 6 Dec. | Light rain shower | 26° /17° | 8.7 mm | 6 | |
| 7 Dec. | Light rain shower | 27° /18° | 8 mm | 6 | |
| 8 Dec. | Light rain shower | 29° /18° | 3.4 mm | 7 | |
| 9 Dec. | Light rain shower | 26° /19° | 10 mm | 6 | |
| 10 Dec. | Light rain shower | 27° /19° | 9.7 mm | 6 | |
| 11 Dec. | Light rain shower | 27° /19° | 9.3 mm | 6 | |
| 12 Dec. | Light rain shower | 25° /19° | 15.2 mm | 6 | |
| 13 Dec. | Light rain shower | 27° /19° | 9.4 mm | 6 | |
| 14 Dec. | Light rain shower | 26° /20° | 11.7 mm | 6 | |
| 15 Dec. | Light rain shower | 26° /19° | 4.9 mm | 6 | |
| 16 Dec. | Light rain shower | 27° /18° | 4.4 mm | 6 | |
| 17 Dec. | Light rain shower | 26° /18° | 4.1 mm | 6 | |
| 18 Dec. |  Fog | 28° /18° | 1.8 mm | 6 | |
| 19 Dec. | Patchy rain possible | 25° /18° | 7.6 mm | 5 | |
| 20 Dec. | Light rain shower | 26° /18° | 9 mm | 4 | |
| 21 Dec. | Fog | 23° /18° | 7.8 mm | 5 | |
| 22 Dec. | Patchy rain possible | 28° /19° | 2.3 mm | 2.1 | |
| 23 Dec. | Patchy rain possible | 28° /19° | 1.3 mm | 2.2 | |
| 24 Dec. | Patchy rain possible | 29° /18° | 0.5 mm | 1.9 | |
| 25 Dec. | Patchy rain possible | 31° /19° | 3.7 mm | 2.2 | |
| 26 Dec. | Patchy rain possible | 27° /19° | 1.2 mm | 0 | |
| 27 Dec. | Patchy rain possible | 28° /18° | 0.3 mm | 5 | |
| 28 Dec. | Patchy rain possible | 26° /18° | 1 mm | 5 | |
| 29 Dec. | Patchy rain possible | 28° /18° | 0.8 mm | 5 | |
| 30 Dec. | Patchy rain possible | 24° /18° | 2.9 mm | 5 | |
| 31 Dec. | Patchy rain possible | 25° /19° | 1.7 mm | 5 | |
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Important Notice
Our weather forecast for Alajuela 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 Alajuela Province forecast closer to your planned date for the most up-to-date weather information.
Change Month
Alajuela Province in December - FAQ
What are the expected maximum and minimum temperatures in Alajuela Province during December?
During December, expect a variety of temperatures with highs around 26° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Alajuela Province during December?
Significant rainfall exceeding 481.4 mm is expected in Alajuela Province during December, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Alajuela Province during December?
The average wind speed in Alajuela Province during December is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Alajuela Province
Explore the daily rainfall trends and prepare for Alajuela Provinces December weather 💧
Typically, Alajuela Province has 30 rainy days in December with a total of 481.4 mm of rainfall.
UV exposure in Alajuela Province during December
Stay informed about UV levels for safe outdoor activities throughout the month of December ☀️
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