San Juan Weather in July
July in San Juan typically sees daytime highs of 29°C (84°F) and nighttime lows of 25°C (77°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in San Juan in July
Looking at the last 30 years, the data shows about 24 days with rain, averaging 145 mm (5.7 in) for the month. 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 San Juan in July
Daytime highs in San Juan in July reach 29°C (84°F), with nights around 25°C (77°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about.
Sunshine in San Juan in July
There are approximately 206 hours of sunshine this month, resulting in mostly clear days.
Average water temperature in July
The water is 28°C (82°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.For San Juan itself, January, February and March 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 Trinidad & Tobago, check out our San Juan's climate page.
San Juan Temperature in July
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Water Temperature
28°C (82°F) *
Chance of Rain
80%
Precipitation
145 mm (5.7 in)
Rainy days
24 days
Humidity
84% *
Sunshine
206 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in San Juan typically stay consistent throughout July, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in July
Historical weather for San Juan in July
Browse day-by-day weather records for San Juan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Juan historical weather extremes in July
Our historical data for San Juan spans 2004 to 2025, revealing these weather extremes.
- San Juan recorded its highest July temperature of 35°C (95°F) on July 30, 2016.
- San Juan experienced its chilliest July day on July 18, 2014, reaching only 26°C (79°F).
- Nighttime temperatures dropped to 21°C (70°F) on July 10, 2021, marking the coldest July night on record.
Best Places in Trinidad & Tobago in July
Find out more about the weather in Trinidad & Tobago and which places have the best travel conditions in this month. See all of Trinidad & Tobago in July →
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What to Wear in San Juan in July
Warm but pleasant conditions in San Juan in July. 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in 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 Trinidad & Tobago, check out our San Juan's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full San Juan climate overview or explore weather in Trinidad & Tobago.
