Weather in Costa Rica for October 2025
In general, the average temperature in Costa Rica at the beginning of October is 24.9 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.3 °C by the end of October.
Costa Rica experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 547.8 mm.
Temperatures
Rain 🌧️
Costa Rica in October average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2  25° | 3 24° | 4 25° | 5 25° | ||
| 6 26° | 7 24° | 8 24° | 9 22° | 10 23° | 11 23° | 12 24° |
| 13 24° | 14 25° | 15 23° | 16 24° | 17  23° | 18 23° | 19 22° |
| 20 23° | 21 23° | 22 22° | 23 24° | 24 23° | 25 25° | 26  20° |
| 27 22° | 28 24° | 29 23° | 30 22° | 31 20° |
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Temperatures trend during October in Costa Rica
October weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Light rain shower | 25° /13° | 9.4 mm | 6 | |
| 2 Oct. | Moderate or heavy rain shower | 25° /12° | 23.9 mm | 6 | |
| 3 Oct. | Light rain shower | 24° /14° | 24.6 mm | 5 | |
| 4 Oct. | Moderate or heavy rain shower | 25° /12° | 12.6 mm | 6 | |
| 5 Oct. | Light rain shower | 25° /12° | 7.1 mm | 6 | |
| 6 Oct. | Light rain shower | 26° /12° | 10.9 mm | 6 | |
| 7 Oct. | Moderate or heavy rain shower | 24° /13° | 12.8 mm | 5 | |
| 8 Oct. | Light rain shower | 24° /13° | 12.8 mm | 6 | |
| 9 Oct. | Moderate or heavy rain shower | 22° /13° | 18.7 mm | 5 | |
| 10 Oct. | Moderate or heavy rain shower | 23° /14° | 43.5 mm | 5 | |
| 11 Oct. | Moderate or heavy rain shower | 23° /15° | 22.7 mm | 5 | |
| 12 Oct. | Light rain shower | 24° /13° | 17.2 mm | 5 | |
| 13 Oct. | Light rain shower | 24° /13° | 19.9 mm | 5 | |
| 14 Oct. | Moderate or heavy rain shower | 25° /13° | 17.6 mm | 6 | |
| 15 Oct. | Light rain shower | 23° /13° | 15.7 mm | 5 | |
| 16 Oct. | Light rain shower | 24° /13° | 11 mm | 6 | |
| 17 Oct. | Torrential rain shower | 23° /13° | 28.6 mm | 6 | |
| 18 Oct. | Light rain shower | 23° /13° | 31.4 mm | 5 | |
| 19 Oct. | Light rain shower | 22° /13° | 13.2 mm | 5 | |
| 20 Oct. | Light rain shower | 23° /13° | 18.8 mm | 5 | |
| 21 Oct. | Moderate or heavy rain shower | 23° /14° | 17.5 mm | 5 | |
| 22 Oct. | Light rain shower | 22° /13° | 6.4 mm | 5 | |
| 23 Oct. | Light rain shower | 24° /13° | 7.6 mm | 6 | |
| 24 Oct. | Light rain shower | 23° /13° | 10.6 mm | 5 | |
| 25 Oct. | Moderate or heavy rain shower | 25° /14° | 32.3 mm | 6 | |
| 26 Oct. | Light rain | 20° /13° | 9.1 mm | 5 | |
| 27 Oct. | Light rain shower | 22° /13° | 14.1 mm | 5 | |
| 28 Oct. | Light rain shower | 24° /14° | 14.5 mm | 5 | |
| 29 Oct. | Light rain shower | 23° /13° | 10.1 mm | 5 | |
| 30 Oct. | Light rain shower | 22° /13° | 15.1 mm | 5 | |
| 31 Oct. | Light rain shower | 20° /14° | 38.3 mm | 5 | |
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Guide for Costa Rica in October
In October, Costa Rica experiences a transition in weather from the end of the rainy season to the beginning of the dry season.
At the start of the month, the weather in Costa Rica is still influenced by the tail end of the rainy season, particularly on the Caribbean coast and in the central mountains.
This can result in frequent afternoon showers and high humidity, with temperatures averaging around 25° during the day and 18° at night. However, as the month progresses, the weather gradually becomes drier and more pleasant, especially in the Pacific coastal areas and the northern plains.
By the end of October, these regions typically enjoy sunny days with temperatures around 28° during the day and 20° at night, making it an ideal time to visit for outdoor activities and beach relaxation.
Overall, October in Costa Rica offers a mix of transitional weather, with the beginning of the month still influenced by the tail end of the rainy season and the end of the month marking the start of the dry season in many parts of the country.
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Costa Rica in October - FAQ
October rainfall patterns in Costa Rica
UV exposure in Costa Rica during October
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