The temperatures in La Fortuna in August are comfortable with low of 19°C and and high up to 26°C.
With more than 22 rainy days, La Fortuna is an incredibly wet during August. Be sure to pack your umbrella and bring along your rubber boots to stay dry. It’s going to be raining cats and dogs this month!
Our weather forecast can give you a great sense of what weather to expect in La Fortuna in August 2025.
If you’re planning to visit La Fortuna in the near future, we highly recommend that you review the 14 day weather forecast for La Fortuna before you arrive.
Temperatures
26° / 19°
Rainy Days
23
Snowy Days
0
Dry Days
8
Rainfall
629
mm
Sun Hours
10.7
Hrs
