San Marcos in august: average Weather, Temperature and Climate
Weather in San Marcos in august 2026
The weather in San Marcos 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 navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout august
very bad weather
Weather at 6am
63°F
Clear/Sunny
36% of time

36%

18%

8%
Weather at 12pm
68°F
Moderate rain at times
58% of time

29%

7%

6%
Weather at 6pm
61°F
Heavy rain
56% of time

25%

9%

9%
Weather at 3am
63°F

36%

31%

20%

10%
Evolution of daily average temperature and precipitation in San Marcos in august
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in San Marcos in august.
The climate of San Marcos in august is very bad
The weather in august in San Marcos is wet (with 24.6in of rainfall over 24 days). It should be noted a worsening from the previous month since in july there is an average of 18.5in of rainfall over 20 days.
The climate quite good there this month. Temperatures are up to 70°F. The seasonal minimum is 61°F. Thus, the mean temperature average on this month of august in San Marcos is 67°F. These temperatures are far removed from those records observed in San Marcos in august with a maximum record of 77°F in 2015 and a minimum record of 52°F in 2016.
On average, in San Marcos, the days of august last 12:36. The sun rises at 05:54 and sets at 18:30.
August: another location in Guatemala?
If you want to go to Guatemala in august, there are destinations with better weather than San Marcos:
In august, Champerico, Tecojate, Zacapa, El Paredon, El Semillero Barra Nahualate and Esquipulas have good weather.
Finally, Livingston, El Naranjo, Flores, Morales, Puerto Barrios and Puerto San José have a tolerable climate, but better than San Marcos.
Seasonal average climate and temperature of San Marcos in august
Check below seasonal norms These datas are generated from the weather statements earlier years of august.
| August | |||||
| Outside temperature | |||||
| Average temperature | 67°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 61°F | ||||
| Highest record temperature | 77°F (2015) | ||||
| Lowest record temperature | 52°F (2016) | ||||
| Number of days at +65°F | 30 day(s) (97%) | ||||
| Wind | |||||
| Wind speed | 8km/h | ||||
| Wind temperature | 61°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 24.6in | ||||
| Number of days with rainfall | 24 day(s) (78%) | ||||
| Record daily rainfall | 4.7in (2009) | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 8.51km | ||||
| Cloud cover | 40% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:54 | ||||
| Time of sunset | 18:30 | ||||
| Length of day | 12:36 | ||||
| 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 Marcos in august 2025:

58°F to 70°F

58°F to 67°F

58°F to 67°F

58°F to 67°F

58°F to 65°F

58°F to 63°F

58°F to 67°F

56°F to 67°F

59°F to 65°F

59°F to 67°F

58°F to 67°F

59°F to 63°F

58°F to 65°F

59°F to 68°F

58°F to 68°F

58°F to 63°F

58°F to 67°F

58°F to 65°F

58°F to 67°F

58°F to 65°F

59°F to 65°F

59°F to 63°F

58°F to 67°F

58°F to 67°F

58°F to 67°F

59°F to 70°F

58°F to 68°F

59°F to 65°F

59°F to 65°F

58°F to 63°F

59°F to 65°F
Map: other cities in Guatemala in august
Cities near San Marcos:
| Quetzaltenango in august | very bad weather |
| Retalhuleu in august | bad weather |
| Ocos in august | good weather |
| Mazatenango in august | bad weather |
| Huehuetenango in august | very bad weather |
| Champerico in august | good weather |
| Santa Cruz del Quiché in august | bad weather |
| Panajachel in august | good weather |
| Tulate in august | bad weather |
| Nentón in august | bad weather |
| El Semillero Barra Nahualate in august | good weather |
| Santa Lucía Cotzumalguapa in august | good weather |
Click over cities on the map for information about the weather in august.
San Marcos
perfect weather
good
tolerable
bad
very bad
Weather data for San Marcos in august:
Weather data for San Marcos for august are derived from an average of the weather forecast since 2009 in San Marcos. There is a margin of error and these forecasts are to be considered as general information only. The weather in San Marcos 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 Marcos.