San Isidro in august: average Weather, Temperature and Climate
Weather in San Isidro in august 2025
The weather in San Isidro in the month of august comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
very bad weather
Weather at 6am
70°F
Moderate rain at times
60% of time
18%
11%
10%
Weather at 12pm
77°F
Moderate rain at times
60% of time
34%
4%
2%
Weather at 6pm
61°F
Heavy rain
87% of time
8%
3%
2%
Weather at 3am
58°F
56%
14%
13%
9%
Evolution of daily average temperature and precipitation in San Isidro in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in San Isidro in august.
The climate of San Isidro in august is very bad
The climate in august in San Isidro is wet (with 35in of precipitation over 30 days). The weather is better from the previous month since in july it receives an average of 33.5in of precipitation over 29 days.
The climate enjoyable around this city this month. The high seasonal norm is 79°F. On average, the recorded minimum temperature is 65°F. Thus, the mean temperature average on this month of august in San Isidro is 72°F. Note that seasonal normals in contrast with those observed in San Isidro in the month of august with a maximum record of 85°F in 2012 and a minimum record of 56°F in 2015.
Day length in San Isidro in august is 12:25. Sunrise is at 05:27 and sets at 17:52.
August: another location in Costa Rica?
If you want to go to Costa Rica in august, there are destinations with better weather than San Isidro:
In august, Manzanillo, Parc international La Amistad, Puerto Viejo de Talamanca and Punta Uva have good weather.
Finally, La Cruz, Puerto Limón, Tamarindo, Tortuguero, Liberia (Guanacaste) and Bananito Sur have a tolerable climate, but better than San Isidro.
Seasonal average climate and temperature of San Isidro in august
Check below seasonal norms These statistics are set from the weather statements of the past years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 72°F | ||||
| Highest temperature | 79°F | ||||
| Lowest temperature | 65°F | ||||
| Highest record temperature | 85°F (2012) | ||||
| Lowest record temperature | 56°F (2015) | ||||
| Number of days at +65°F | 31 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 6km/h | ||||
| Wind temperature | 65°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 35in | ||||
| Number of days with rainfall | 30 day(s) (97%) | ||||
| Record daily rainfall | 11.5in (2021) | ||||
| Other climate data | |||||
| Humidity | 92% | ||||
| Visibility | 7.85km | ||||
| Cloud cover | 54% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:27 | ||||
| Time of sunset | 17:52 | ||||
| Length of day | 12:25 | ||||
| Our opinion about the weather in august | |||||
| Our opinion at whereandwhen.net | very bad | ||||
How was the weather last august?
Here is the day by day recorded weather in San Isidro in august 2024:
63°F to 76°F
65°F to 74°F
63°F to 74°F
61°F to 77°F
63°F to 77°F
65°F to 77°F
58°F to 72°F
59°F to 74°F
68°F to 76°F
68°F to 81°F
65°F to 79°F
65°F to 76°F
61°F to 77°F
63°F to 77°F
61°F to 77°F
67°F to 77°F
68°F to 79°F
67°F to 77°F
63°F to 77°F
65°F to 79°F
63°F to 77°F
59°F to 76°F
58°F to 70°F
67°F to 77°F
68°F to 77°F
68°F to 76°F
65°F to 77°F
68°F to 77°F
68°F to 77°F
68°F to 77°F
61°F to 77°F
Map: other cities in Costa Rica in august
Cities near San Isidro:
| Dominical in august | very bad weather |
| Uvita in august | very bad weather |
| Cerro Chirripo in august | very bad weather |
| Ojochal in august | very bad weather |
| Parque Nacional Tapantí in august | very bad weather |
| Quepos in august | very bad weather |
| Parque Nacional Manuel Antonio in august | very bad weather |
| Paraiso in august | very bad weather |
| Cartago in august | very bad weather |
| Volcán Irazu in august | very bad weather |
| Parrita in august | very bad weather |
| Tejar in august | very bad weather |
Click over cities on the map for information about the weather in august.
San Isidro
perfect weather
good
tolerable
bad
very bad
Weather data for San Isidro in august:
Weather data for San Isidro for august are derived from an average of the weather forecast since 2009 in San Isidro. There is a margin of error and these forecasts are to be considered as general information only. The weather in San Isidro can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to San Isidro.