Weather in Costa Rica for October 2027
In general, the average temperature in Costa Rica at the beginning of October is 24.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 23.1 °C by the end of October.
Costa Rica experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 530.9 mm.
Is October a good time to visit Costa Rica? check out the best time to travel to Costa Rica page.
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Costa Rica Weather October
What’s the Weather Like in Costa Rica This October?
Temperatures trend during October in Costa Rica
October weather in Costa Rica day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Moderate rain | 24° /14° | 17.4 mm | 5 | |
| 2 Oct. | Moderate rain | 25° /14° | 19.5 mm | 5 | |
| 3 Oct. | Moderate rain | 24° /14° | 16.5 mm | 5 | |
| 4 Oct. | Moderate rain | 24° /14° | 15.9 mm | 5 | |
| 5 Oct. | Moderate rain | 24° /13° | 12.3 mm | 5 | |
| 6 Oct. | Moderate rain | 25° /13° | 13.2 mm | 5 | |
| 7 Oct. | Moderate rain | 25° /14° | 14.1 mm | 5 | |
| 8 Oct. | Moderate rain | 24° /14° | 11.6 mm | 5 | |
| 9 Oct. | Moderate rain | 23° /14° | 20.1 mm | 4 | |
| 10 Oct. |  Heavy rain | 22° /14° | 32.7 mm | 4 | |
| 11 Oct. | Moderate rain | 23° /15° | 21.1 mm | 4 | |
| 12 Oct. | Moderate rain | 23° /15° | 14.4 mm | 4 | |
| 13 Oct. | Moderate rain | 24° /14° | 19.4 mm | 4 | |
| 14 Oct. | Moderate rain | 25° /13° | 13.4 mm | 5 | |
| 15 Oct. | Moderate rain | 24° /14° | 13 mm | 4 | |
| 16 Oct. | Moderate rain | 23° /14° | 11.4 mm | 5 | |
| 17 Oct. | Heavy rain | 23° /14° | 27.5 mm | 5 | |
| 18 Oct. | Torrential rain shower | 24° /14° | 28.3 mm | 4 | |
| 19 Oct. | Moderate rain | 23° /14° | 17.3 mm | 4 | |
| 20 Oct. | Moderate rain | 24° /14° | 22 mm | 4 | |
| 21 Oct. | Moderate rain | 23° /14° | 12.1 mm | 4 | |
| 22 Oct. | Moderate rain | 23° /14° | 11.2 mm | 4 | |
| 23 Oct. | Moderate rain | 24° /14° | 10 mm | 4 | |
| 24 Oct. | Moderate rain | 23° /14° | 11 mm | 4 | |
| 25 Oct. | Moderate rain | 24° /14° | 20.1 mm | 4 | |
| 26 Oct. |  Light rain | 22° /14° | 7.4 mm | 4 | |
| 27 Oct. | Light rain | 23° /14° | 9.2 mm | 4 | |
| 28 Oct. | Moderate rain | 24° /14° | 11.2 mm | 5 | |
| 29 Oct. | Moderate rain | 24° /13° | 12.8 mm | 4 | |
| 30 Oct. | Moderate rain | 23° /14° | 10.9 mm | 4 | |
| 31 Oct. | Moderate rain | 21° /14° | 21.9 mm | 3 | |
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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.