Guanacaste
August
Weather in Guanacaste for August 2025
Your guide to Guanacaste weather in August - trends and predictions
In general, the average temperature in Guanacaste at the beginning of August is 29 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 29.7 °C by the end of August.
Guanacaste experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 329 mm.
Temperatures
Rain 🌧️
1
Dry days
30
Rainy days
0
Snow days
29°/23°
Temperatures
8 km/h
Avg max wind
86 %
Avg humidity
Guanacaste Weather August
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 28° | 3 29° | ||||
| 4 30° | 5 30° | 6 30° | 7 27° | 8 28° | 9 28° | 10 31° |
| 11 30° | 12 28° | 13 29° | 14 30° | 15 28° | 16 29° | 17 30° |
| 18 29° | 19 29° | 20 30° | 21 28° | 22 27° | 23  27° | 24 29° |
| 25 30° | 26 29° | 27 29° | 28 31° | 29 31° | 30  29° | 31 29° |
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Temperatures trend during August in Guanacaste
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Moderate or heavy rain shower | 29° /23° | 13.9 mm | 6 | |
| 2 Aug. | Moderate or heavy rain shower | 28° /23° | 34.3 mm | 6 | |
| 3 Aug. | Moderate or heavy rain shower | 29° /22° | 14.9 mm | 6 | |
| 4 Aug. | Moderate or heavy rain shower | 30° /22° | 7.9 mm | 7 | |
| 5 Aug. | Moderate or heavy rain shower | 30° /23° | 8.6 mm | 7 | |
| 6 Aug. | Moderate or heavy rain shower | 30° /23° | 8.7 mm | 7 | |
| 7 Aug. | Moderate or heavy rain shower | 27° /23° | 25.5 mm | 6 | |
| 8 Aug. | Moderate or heavy rain shower | 28° /23° | 27.3 mm | 6 | |
| 9 Aug. | Moderate or heavy rain shower | 28° /22° | 14.2 mm | 6 | |
| 10 Aug. | Moderate rain at times | 31° /23° | 0.9 mm | 7 | |
| 11 Aug. | Moderate or heavy rain shower | 30° /22° | 6.5 mm | 7 | |
| 12 Aug. | Moderate or heavy rain shower | 28° /22° | 10.2 mm | 6 | |
| 13 Aug. | Moderate or heavy rain shower | 29° /23° | 9.3 mm | 6 | |
| 14 Aug. | Moderate rain at times | 30° /23° | 2.2 mm | 7 | |
| 15 Aug. | Moderate or heavy rain shower | 28° /22° | 15.3 mm | 6 | |
| 16 Aug. | Moderate or heavy rain shower | 29° /22° | 5.5 mm | 6 | |
| 17 Aug. | Moderate or heavy rain shower | 30° /23° | 8.1 mm | 7 | |
| 18 Aug. | Moderate or heavy rain shower | 29° /23° | 18.1 mm | 6 | |
| 19 Aug. | Moderate or heavy rain shower | 29° /22° | 14.5 mm | 6 | |
| 20 Aug. | Moderate rain at times | 30° /23° | 1.5 mm | 7 | |
| 21 Aug. | Moderate or heavy rain shower | 28° /23° | 9.7 mm | 6 | |
| 22 Aug. | Moderate or heavy rain shower | 27° /22° | 5 mm | 6 | |
| 23 Aug. | Patchy rain possible | 27° /22° | 0.1 mm | 6 | |
| 24 Aug. | Moderate or heavy rain shower | 29° /22° | 9 mm | 6 | |
| 25 Aug. | Moderate or heavy rain shower | 30° /22° | 6.7 mm | 7 | |
| 26 Aug. | Moderate or heavy rain shower | 29° /22° | 9.3 mm | 6 | |
| 27 Aug. | Moderate or heavy rain shower | 29° /22° | 11.4 mm | 6 | |
| 28 Aug. | Patchy rain possible | 31° /23° | 0.5 mm | 7 | |
| 29 Aug. | Patchy rain possible | 31° /23° | 0.4 mm | 7 | |
| 30 Aug. | Heavy rain at times | 29° /23° | 2.9 mm | 6 | |
| 31 Aug. | Moderate or heavy rain shower | 29° /23° | 26.8 mm | 6 | |
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Important Notice
Our weather forecast for Guanacaste in August 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.
Guanacaste in August - FAQ
What are the expected maximum and minimum temperatures in Guanacaste during August?
During August, expect a variety of temperatures with highs around 29° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guanacaste during August?
Significant rainfall exceeding 329 mm is expected in Guanacaste during August, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guanacaste during August?
The average wind speed in Guanacaste during August is 8 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Guanacaste
Explore the daily rainfall trends and prepare for Guanacastes August weather 💧
UV exposure in Guanacaste during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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