Normal weather on 18 August in Arenal
The weather on 18 August in Arenal has an average temperature of about 31°C during the day. The maximum temperature can reach up to 35°C, while the minimum temperature can be 28°C.
On average, 8,4 mm of rain falls in Arenal on 18 August. The wind speed is 3 Beaufort and mainly comes from Southwest.
18 August Averages for Arenal
 Average temperature | 31°C |
 Highest daytime temperature | 35°C |
| Lowest daytime temperature | 28°C |
 Total rainfall | 8,4 mm |
| Rainy days | 1 day |
Temperature on 18 August in Arenal per Year
This graph shows the measured temperature on 18 August in Arenal per year, measured in degrees Celsius, over the past years.
Precipitation on 18 August in Arenal per Year
This graph shows the total measured precipitation in millimeters on 18 August in Arenal per year over the past years.
Average weather in Arenal per month
Click on a month below to see in detail how the weather typically is in Arenal and what to expect. Based on the historical weather data of Arenal, you can view the average temperature, precipitation, wind, and UV index for each day of the month.
