Guanacaste
October
Weather in Guanacaste for October 2025
Your guide to Guanacaste weather in October - trends and predictions
Until now, October 2025 in Guanacaste is slightly cooler than the historical average by -0.8 °C.
In general, the average temperature in Guanacaste at the beginning of October is 27.9 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 28.7 °C by the end of October.
Guanacaste experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 422.6 mm.
Temperatures
Rain 🌧️
1
Dry days
30
Rainy days
0
Snow days
28°/22°
Temperatures
10 km/h
Avg max wind
86 %
Avg humidity
Guanacaste Weather October
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Temperatures trend during October in Guanacaste
See the weather trend as well as the moving average line
October weather in Guanacaste day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Moderate or heavy rain shower | 27° /22° | 27.5 mm | 6 | |
| 2 Oct. | Moderate or heavy rain shower | 28° /22° | 13.3 mm | 6 | |
| 3 Oct. | Moderate or heavy rain shower | 29° /22° | 10.4 mm | 6 | |
| 4 Oct. | Moderate rain at times | 28° /22° | 16.1 mm | 6 | |
| 5 Oct. | Moderate or heavy rain shower | 28° /22° | 9 mm | 6 | |
| 6 Oct. | Moderate or heavy rain shower | 27° /22° | 8.9 mm | 6 | |
| 7 Oct. | Moderate or heavy rain shower | 28° /22° | 20.9 mm | 6 | |
| 8 Oct. | Moderate or heavy rain shower | 28° /22° | 17.6 mm | 6 | |
| 9 Oct. | Moderate or heavy rain shower | 28° /22° | 26.4 mm | 6 | |
| 10 Oct. | Moderate or heavy rain shower | 28° /21° | 18.7 mm | 6 | |
| 11 Oct. | Moderate or heavy rain shower | 28° /22° | 20.4 mm | 6 | |
| 12 Oct. | Moderate or heavy rain shower | 26° /22° | 22.1 mm | 6 | |
| 13 Oct. |  Heavy rain at times | 27° /22° | 12.4 mm | 6 | |
| 14 Oct. | Moderate or heavy rain shower | 29° /22° | 14.3 mm | 7 | |
| 15 Oct. | Heavy rain at times | 29° /22° | 14.5 mm | 7 | |
| 16 Oct. | Moderate or heavy rain shower | 28° /22° | 14.3 mm | 6 | |
| 17 Oct. | Moderate or heavy rain shower | 28° /22° | 22.3 mm | 6 | |
| 18 Oct. | Moderate or heavy rain shower | 28° /22° | 29.2 mm | 6 | |
| 19 Oct. | Moderate or heavy rain shower | 28° /22° | 12.8 mm | 6 | |
| 20 Oct. | Moderate or heavy rain shower | 28° /22° | 16.3 mm | 6 | |
| 21 Oct. | Moderate or heavy rain shower | 28° /22° | 18 mm | 6 | |
| 22 Oct. | Moderate or heavy rain shower | 28° /22° | 7.2 mm | 6 | |
| 23 Oct. | Moderate or heavy rain shower | 30° /22° | 9.5 mm | 7 | |
| 24 Oct. |  Patchy rain possible | 29° /22° | 7.1 mm | 7 | |
| 25 Oct. | Moderate or heavy rain shower | 29° /22° | 8.4 mm | 6 | |
| 26 Oct. | Moderate rain at times | 28° /22° | 3.1 mm | 6 | |
| 27 Oct. | Moderate or heavy rain shower | 28° /22° | 6.5 mm | 6 | |
| 28 Oct. | Moderate rain at times | 29° /22° | 6.4 mm | 7 | |
| 29 Oct. | Moderate or heavy rain shower | 29° /22° | 9.5 mm | 6 | |
| 30 Oct. | Light rain shower | 29° /22° | 12 mm | 6 | |
| 31 Oct. | Patchy rain possible | 29° /23° | 0.2 mm | 2.3 | |
| Next | |||||
Important Notice
Our weather forecast for Guanacaste in October 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 Guanacaste forecast closer to your planned date for the most up-to-date weather information.
Change Month
Guanacaste in October - FAQ
What are the expected maximum and minimum temperatures in Guanacaste during October?
During October, expect a variety of temperatures with highs around 28° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guanacaste during October?
Significant rainfall exceeding 422.6 mm is expected in Guanacaste during October, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guanacaste during October?
The average wind speed in Guanacaste during October is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Guanacaste
Explore the daily rainfall trends and prepare for Guanacastes October weather 💧
UV exposure in Guanacaste during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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