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Weather in Guanacaste Province for August 2025

Your guide to Guanacaste Province weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Guanacaste Province at the beginning of August is 29.9 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29.6 °C by the end of August.

  • Rain 🌧️

  • Guanacaste Province experiences an exceptionally high level of rainfall in August, with more than 24 rainy days on average.

  • More

  • Is August a good time to visit Guanacaste Province? check out the best time to travel to Guanacaste Province page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
6
Dry days
Average rainy days
25
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/23°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
84 %
Avg humidity

Guanacaste Province in August average weather

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Temperatures trend during August in Guanacaste Province

See the weather trend as well as the moving average line
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August weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
28° /23° 29.6 mm 6
2 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /23° 21.9 mm 7
3 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /22° 8.4 mm 7
4 Aug. Cloudy
Cloudy
31° /23° 4.7 mm 7
5 Aug. Partly cloudy
Partly cloudy
31° /24° 3.7 mm 8
6 Aug. Cloudy
Cloudy
31° /24° 1.5 mm 7
7 Aug. Heavy rain at times
Heavy rain at times
28° /24° 1.1 mm 7
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /23° 34.4 mm 7
9 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /22° 7.4 mm 7
10 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /23° 1.7 mm 7
11 Aug. Patchy rain possible
Patchy rain possible
31° /22° 2.8 mm 7
12 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /22° 6.4 mm 7
13 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /23° 16 mm 7
14 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /22° 17.1 mm 6
15 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /22° 11.6 mm 7
16 Aug. Patchy rain possible
Patchy rain possible
29° /22° 3.7 mm 6
17 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /23° 5.2 mm 7
18 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /23° 11 mm 6
19 Aug. Patchy rain possible
Patchy rain possible
30° /23° 6.2 mm 7
20 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /23° 6.7 mm 7
21 Aug. Moderate rain at times
Moderate rain at times
30° /23° 7.7 mm 7
22 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
26° /22° 15.6 mm 6
23 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /22° 67.3 mm 6
24 Aug. Torrential rain shower
Torrential rain shower
28° /22° 58.9 mm 6
25 Aug. Light rain shower
Light rain shower
30° /22° 2.7 mm 7
26 Aug. Torrential rain shower
Torrential rain shower
29° /22° 21.1 mm 6
27 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /22° 21.8 mm 6
28 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /23° 17.7 mm 6
29 Aug. Light rain shower
Light rain shower
30° /23° 2.9 mm 7
30 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /23° 8 mm 7
31 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
30° /23° 18.5 mm 7
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Important Notice
Our weather forecast for Guanacaste Province 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 Province forecast closer to your planned date for the most up-to-date weather information.

Guanacaste Province in August - FAQ

What are the expected maximum and minimum temperatures in Guanacaste Province during August?
During August, expect a variety of temperatures with highs around 30° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in Guanacaste Province during August?
Significant rainfall exceeding 886.5 mm is expected in Guanacaste Province during August, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Guanacaste Province during August?
The average wind speed in Guanacaste Province during August is 10 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Guanacaste Province in August?

As you prepare for your trip to Guanacaste Province in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Guanacaste Province, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips
    • Insect Repellent: For destinations with mosquitos or other insects

August rainfall patterns in Guanacaste Province

Explore the daily rainfall trends and prepare for Guanacaste Provinces August weather 💧

UV exposure in Guanacaste Province during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Guanacaste Province?

Get accurate weather forecasts for Guanacaste Province, located at latitude 10.635 and longitude -85.438. Stay updated with localized weather information tailored for Guanacaste Province.

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