San German Weather in August
With daytime temperatures of 31°C (88°F) and nighttime lows of 25°C (77°F), August in San German brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 91 mm (3.6 in) falls on average.
Rainfall in San German in August
Based on our climate data of the past 30 years, about 18 days of rain are anticipated, with 91 mm (3.6 in) on average. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.
Temperature in San German in August
August in San German brings very high temperatures, with highs of 31°C (88°F) and nights around 25°C (77°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably. With these average temperatures, expect occasional spikes in warmth. Wear light fabrics and stay cool by hydrating regularly.For San German itself, January, February, March, April and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our San German's climate page.
San German Temperature in August
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Chance of Rain
61%
Precipitation
91 mm (3.6 in)
Rainy days
18 days
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in San German typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Historical weather for San German in August
Browse day-by-day weather records for San German spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San German historical weather extremes in August
Based on 28 years of weather observations in San German between 1997 and 2025, these are the recorded extremes.
- San German recorded its highest August temperature of 36°C (97°F) on August 17, 2007.
- On August 2, 2025, San German saw its coldest August day with temperatures maxing out at 27°C (81°F).
- The coldest night in August in San German was on August 27, 2025, with a minimum of 20°C (68°F).
Best Places in Puerto Rico in August
Find out more about the weather in Puerto Rico and which places have the best travel conditions in this month. See all of Puerto Rico in August →
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What to Wear in San German in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in San German in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Puerto Rico, check out our San German's climate page.
See the full San German climate overview or explore weather in Puerto Rico.
