Guanacaste
October
Weather in Guanacaste for October 2026
Your guide to Guanacaste weather in October - trends and predictions
So far, October 2026 in Guanacaste shows a warmer trend than usual by 2.1 °C.
In general, the average temperature in Guanacaste at the beginning of October is 28.6 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.5 °C by the end of October.
Guanacaste experiences heavy rainfall in October, with over 20 rainy days and an average total precipitation 420 mm.
Is October a good time to visit Guanacaste? check out the best time to travel to Guanacaste page.
Temperatures
Rain 🌧️
More
1
Dry days
30
Rainy days
0
Snow days
29°/22°
Temperatures
10 km/h
Avg max wind
87 %
Avg humidity
Guanacaste Weather October
Move between months or click on a day
Temperatures trend during October in Guanacaste
See the weather trend as well as the moving average line
October weather in Guanacaste day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. |  Heavy rain | 27° /22° | 29.4 mm | 5 | |
| 2 Oct. |  Moderate rain | 28° /22° | 13.7 mm | 5 | |
| 3 Oct. |  Moderate or heavy rain shower | 29° /22° | 9.6 mm | 5 | |
| 4 Oct. | Moderate rain | 29° /23° | 12.7 mm | 5 | |
| 5 Oct. | Moderate rain | 29° /23° | 12.4 mm | 5 | |
| 6 Oct. | Moderate rain | 29° /23° | 12.3 mm | 5 | |
| 7 Oct. | Moderate rain | 29° /23° | 20.8 mm | 6 | |
| 8 Oct. | Moderate rain | 29° /22° | 16.1 mm | 5 | |
| 9 Oct. | Moderate rain | 28° /22° | 17.7 mm | 5 | |
| 10 Oct. | Moderate rain | 28° /22° | 20.5 mm | 5 | |
| 11 Oct. | Moderate rain | 28° /22° | 16.9 mm | 5 | |
| 12 Oct. | Moderate rain | 28° /22° | 15.7 mm | 5 | |
| 13 Oct. |  Heavy rain at times | 28° /22° | 8.8 mm | 5 | |
| 14 Oct. | Moderate rain | 29° /22° | 16.2 mm | 5 | |
| 15 Oct. | Heavy rain at times | 29° /23° | 13 mm | 5 | |
| 16 Oct. | Moderate rain | 29° /23° | 14.5 mm | 5 | |
| 17 Oct. | Moderate rain | 28° /23° | 21.3 mm | 4 | |
| 18 Oct. | Moderate rain | 29° /22° | 24.2 mm | 5 | |
| 19 Oct. | Moderate rain | 29° /22° | 12.5 mm | 4 | |
| 20 Oct. | Moderate rain | 29° /22° | 17.6 mm | 5 | |
| 21 Oct. | Moderate rain | 29° /22° | 13.3 mm | 4 | |
| 22 Oct. | Moderate or heavy rain shower | 29° /23° | 7.7 mm | 5 | |
| 23 Oct. | Moderate or heavy rain shower | 30° /22° | 7.9 mm | 5 | |
| 24 Oct. |  Light rain | 30° /23° | 5.1 mm | 5 | |
| 25 Oct. | Moderate or heavy rain shower | 29° /22° | 6.3 mm | 5 | |
| 26 Oct. |  Patchy rain possible | 29° /23° | 2.1 mm | 6 | |
| 27 Oct. | Light rain | 29° /23° | 4.7 mm | 5 | |
| 28 Oct. | Light rain | 30° /22° | 4.2 mm | 5 | |
| 29 Oct. | Moderate or heavy rain shower | 30° /22° | 6.3 mm | 6 | |
| 30 Oct. | Light rain | 30° /22° | 8 mm | 7 | |
| 31 Oct. |  Partly cloudy | 31° /23° | 0.7 mm | 11.2 | |
| 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 29° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guanacaste during October?
Significant rainfall exceeding 420 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 💧
Typically, Guanacaste has 30 rainy days in October with a total of 420 mm of rainfall.
UV exposure in Guanacaste during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Quick links
More Guanacaste weather pages
You are here
Where is Guanacaste?Get accurate weather forecasts for Guanacaste, located at latitude 10.767 and longitude -85.647. Stay updated with localized weather information tailored for Guanacaste.
Found a mistake?
We appreciate your attention to details. Tell us here.