Temperatures in August
It's hot in August in Guanacastillo with an average temperature of 34°C. Temperatures this month range from a low of 32°C to a high of 35°C. At night, you can expect temperatures between 23°C and 25°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Guanacastillo in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Guanacastillo with hot temperatures, averaging around 35°C during the day and nights close to 25°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-August
By mid-August, the average daytime temperature drops to around 34°C, with nights close to 25°C. The chance of precipitation is high during this period. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of August
By the end of August, the average daytime temperature in Guanacastillo will be around 33°C, with nights close to 25°C. There’s a significant chance of many days with precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Precipitation in August
In August, there is an average of 210 mm of precipitation, spread over 21 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
The average precipitation chance this month is 68% per day. Though that seems frequent, there are also a few days with lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Guanacastillo. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Guanacastillo in August |
London | ||
|---|---|---|---|
 Average Temperature |
34°C | 22°C | |
 High Temp |
35°C | 24°C | |
| Low Temp |
32°C | 19°C | |
 Total Precipitation |
210 mm | 60 mm | |
| Rainy Days |
21 days | 10 days | |
July
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Guanacastillo?
After some sun? Then August isn’t the best time to be in Guanacastillo. The temperature is pleasant, but there’s too much chance of rain this month.
The hurricane season in Guanacastillo runs from June to November.
Temperature records for Guanacastillo in August
With 38°C, Guanacastillo hit the highest temperature in the last 10 years in August 2015. The lowest daytime temperature in this month was 24°C in 2023. The extreme night temperatures ranged from a low of 10°C to a high of 28°C.
Check out the climate of Guanacastillo for all months and discover the best travel time
Daily Temperature in August in Guanacastillo
This chart shows the average daily temperatures, both day and night, for each day in August in Guanacastillo, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Guanacastillo
The chart below shows the average daily precipitation in August for Guanacastillo, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 21 days of rain in Guanacastillo.
Daily UV Index in August in Guanacastillo
This chart shows the average daily UV index in August in Guanacastillo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Guanacastillo Over the Years
This chart shows the average temperature in August in Guanacastillo, measured in degrees Celsius, over the past years.
Total Precipitation in August in Guanacastillo Over the Years
This chart shows the average precipitation in August in Guanacastillo, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Guanacastillo
Click on a specific day in August for detailed info on the typical weather on that day in Guanacastillo. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Guanacastillo
Have you been to Guanacastillo in August?
Share your weather experience in August in Guanacastillo.
Average Weather in Guanacastillo by Month
Click on a month below to see detailed weather info for Guanacastillo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Guanacastillo for all months at once
