San German Weather in July
July in San German brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 25°C (77°F). Rainfall is on the higher side this month, averaging around 66 mm (2.6 in), so keep a rain jacket handy.
Rainfall in San German in July
You can expect rain on around 18 days based on historical patterns, with 66 mm (2.6 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in San German in July
In July, expect very high temperatures in San German, with highs of 31°C (88°F) and lows of 25°C (77°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April and December typically offer the best circumstances for San German.
San German Temperature in July
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San German Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in San German - and find the best time to visit.
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in San German typically stay consistent throughout July, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in July
Historical weather records for San German in July
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 July
The extremes listed below come from historical weather data collected in San German from 1997 through 2026.
- On July 21, 2021, temperatures climbed to 39°C (102°F), marking the warmest July day on record.
- On July 12, 2015, San German saw its coldest July day with temperatures maxing out at 26°C (79°F).
- San German registered its coldest July night on July 13, 2025, with temperatures dropping to 20°C (68°F).
Best Places in Puerto Rico in July
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 July →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in San German in July
Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days.
What To Do in San German in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling8/10 -
Walking8/10 -
Camping7/10 -
Outdoor sports8/10
San German 3-Day Forecast
See the full San German climate overview or explore weather in Puerto Rico.
Popular in July
Where to go in July - average daytime high across popular destinations.
San Juan
31°C (88°F) Rio Grande
30°C (86°F) Aguada
30°C (86°F) Rincon30°C (86°F) Luquillo30°C (86°F) Culebra29°C (84°F) Vieques29°C (84°F) Fajardo30°C (86°F) 
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