Fajardo Weather in August
August in Fajardo typically sees daytime highs of 30°C (86°F) and nighttime lows of 26°C (79°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Fajardo in August
Typically, about 20 days will experience rainfall, with an average of 152 mm (6 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Fajardo in August
Temperatures in Fajardo in August top out at 30°C (86°F) and drop to 26°C (79°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 26°C (79°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Fajardo in August
The month enjoys around 267 hours of sunshine, creating mostly sunny days with good weather conditions.If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit Fajardo. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Fajardo's climate page.
Fajardo Temperature in August
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
66%
Precipitation
152 mm (6 in)
Rainy days
20 days
Humidity
76% *
Sunshine
267 hours *
Percentage Sunshine
68% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Fajardo typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Fajardo in August
Browse day-by-day weather records for Fajardo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Fajardo historical weather extremes in August
Our historical data for Fajardo spans 1976 to 2025, revealing these weather extremes.
- Fajardo recorded its highest August temperature of 36°C (97°F) on August 4, 1997.
- On August 3, 2006, Fajardo saw its coldest August day with temperatures maxing out at 27°C (81°F).
- The coldest night in August in Fajardo was on August 26, 1976, with a minimum of 22°C (72°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 Fajardo in August
Warm but pleasant conditions in Fajardo in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Fajardo 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 Fajardo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Fajardo climate overview or explore weather in Puerto Rico.
