Río San Juan Weather in July
With daytime temperatures of 30°C (86°F) and nighttime lows of 25°C (77°F), July in Río San Juan brings very high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 106 mm (4.2 in) falls on average.
Rainfall in Río San Juan in July
You can typically expect 15 days of rain this month, averaging around 106 mm (4.2 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Río San Juan in July
In July, Río San Juan gets very high temperatures, with highs of 30°C (86°F). Nights cool to around 25°C (77°F). The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.July in Río San Juan has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Dominican Republic, check out our Río San Juan's climate page.
Río San Juan Temperature in July
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
51%
Precipitation
106 mm (4.2 in)
Rainy days
15 days
Humidity
76% *
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Río San Juan typically stay consistent throughout July, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in July
Daily Historical Precipitation
46-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Río San Juan in July
Browse day-by-day weather records for Río San Juan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Río San Juan historical weather extremes in July
Based on 29 years of weather observations in Río San Juan between 1996 and 2025, these are the recorded extremes.
- On July 16, 2014, temperatures climbed to 35°C (95°F), marking the warmest July day on record.
- Río San Juan experienced its chilliest July day on July 16, 1998, reaching only 24°C (75°F).
- Río San Juan registered its coldest July night on July 15, 2011, with temperatures dropping to 20°C (68°F).
Best Places in the Dominican Republic in July
Find out more about the weather in the Dominican Republic and which places have the best travel conditions in this month. See all of the Dominican Republic in July →
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What to Wear in Río San Juan in July
Warm weather calls for comfortable, breathable clothing in July. 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 Río San Juan in July
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 the Dominican Republic, check out our Río San Juan's climate page.
See the full Río San Juan climate overview or explore weather in the Dominican Republic.
