Weather Comparison
Santo Domingo vs San Juan
Side-by-side weather comparison for July
July Weather: Santo Domingo vs San Juan
| Metric | Santo Domingo | San Juan | Better |
|---|---|---|---|
| Average HighHigher is warmer | 30°C (86°F) | 31°C (88°F)▲ | San Juan |
| Average LowHigher is milder | 23°C (73°F) | 25°C (77°F)▲ | San Juan |
| Rain DaysFewer is drier | 22 days | 17 days▲ | San Juan |
| PrecipitationLess is drier | 112 mm | 68 mm▲ | San Juan |
| Sunshine HoursMore is sunnier | 12h/day | 12h/day | Tie |
| HumidityLower is more comfortable | 78% | 78% | Tie |
| UV IndexLower is safer | 9 | 9 | Tie |
| Wind SpeedCalmer is better | 13 km/h▲ | 22 km/h | Santo Domingo |
Which City is Better in July?
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, San Juan edges ahead as the better destination in July. San Juan offers 12 hours of daily sunshine with only 17 rain days, while Santo Domingo sees 12 sunshine hours and 22 rain days.
Santo Domingo can feel quite hot at 30°C, so plan for heat. San Juan runs hot at 31°C.
For travelers who prioritize dry weather, San Juan is the stronger choice in July.
Temperature Comparison in July
Santo Domingo reaches an average high of 30°C (86°F) and drops to 23°C (73°F) at night during July. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
San Juan averages 31°C (88°F) for the high and 25°C (77°F) for the low, with a daily range of 6°C. The two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in July.
Rainfall Comparison in July
Santo Domingo receives approximately 112 mm of rainfall across 22 rain days during July. Rain is frequent, so waterproof gear is essential.
San Juan sees 68 mm over 17 rain days. That makes San Juan the drier option by 5 rain days and 44 mm of total precipitation.
Both cities share similar humidity levels at 78%.
What to Pack: Santo Domingo vs San Juan
Packing for Santo Domingo in July
Highs of 30°C, lows of 23°C, 22 rain days
- ✓lightweight breathable clothing
- ✓sunscreen SPF 50+
- ✓sunglasses
- ✓a wide-brimmed hat
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓moisture-wicking fabrics
Packing for San Juan in July
Highs of 31°C, lows of 25°C, 17 rain days
- ✓lightweight breathable clothing
- ✓sunscreen SPF 50+
- ✓sunglasses
- ✓a wide-brimmed hat
- ✓waterproof jacket
- ✓compact umbrella
- ✓waterproof shoes
- ✓moisture-wicking fabrics
Pack for both: lightweight breathable clothing, sunscreen SPF 50+, sunglasses, a wide-brimmed hat, waterproof jacket, compact umbrella, waterproof shoes, moisture-wicking fabrics. These items are useful in either destination during July.
Year-Round Comparison: Santo Domingo vs San Juan
The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.July is highlighted for quick reference.
| Month | Santo Domingo | San Juan | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 27°C | 12d | 28°C | 11d |
| Feb | 28°C | 11d | 29°C | 9d |
| Mar | 28°C | 12d | 29°C | 9d |
| Apr | 29°C | 16d | 30°C | 12d |
| May | 29°C | 21d | 30°C | 17d |
| Jun | 30°C | 22d | 31°C | 14d |
| Jul | 30°C | 22d | 31°C | 17d |
| Aug | 30°C | 22d | 31°C | 19d |
| Sep | 30°C | 21d | 31°C | 21d |
| Oct | 29°C | 22d | 30°C | 21d |
| Nov | 28°C | 16d | 29°C | 19d |
| Dec | 28°C | 12d | 28°C | 13d |
Santo Domingo Weather in July
Full forecast, packing tips, and activities
San Juan Weather in July
Full forecast, packing tips, and activities