Weather Comparison
San Juan vs Santo Domingo
Side-by-side weather comparison for July
July Weather: San Juan vs Santo Domingo
| Metric | San Juan | Santo Domingo | Better |
|---|---|---|---|
| Average HighHigher is warmer | 31°C (88°F)▲ | 30°C (86°F) | San Juan |
| Average LowHigher is milder | 25°C (77°F)▲ | 23°C (73°F) | San Juan |
| Rain DaysFewer is drier | 17 days▲ | 22 days | San Juan |
| PrecipitationLess is drier | 68 mm▲ | 112 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 | 22 km/h | 13 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.
San Juan can feel quite hot at 31°C, so plan for heat. Santo Domingo runs hot at 30°C.
For travelers who prioritize dry weather, San Juan is the stronger choice in July.
Temperature Comparison in July
San Juan reaches an average high of 31°C (88°F) and drops to 25°C (77°F) at night during July. The daily temperature range is 6°C, meaning relatively stable temperatures from day to night.
Santo Domingo averages 30°C (86°F) for the high and 23°C (73°F) for the low, with a daily range of 7°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
San Juan receives approximately 68 mm of rainfall across 17 rain days during July. Rain is frequent, so waterproof gear is essential.
Santo Domingo sees 112 mm over 22 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: San Juan vs Santo Domingo
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
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
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: San Juan vs Santo Domingo
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 | San Juan | Santo Domingo | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 28°C | 11d | 27°C | 12d |
| Feb | 29°C | 9d | 28°C | 11d |
| Mar | 29°C | 9d | 28°C | 12d |
| Apr | 30°C | 12d | 29°C | 16d |
| May | 30°C | 17d | 29°C | 21d |
| Jun | 31°C | 14d | 30°C | 22d |
| Jul | 31°C | 17d | 30°C | 22d |
| Aug | 31°C | 19d | 30°C | 22d |
| Sep | 31°C | 21d | 30°C | 21d |
| Oct | 30°C | 21d | 29°C | 22d |
| Nov | 29°C | 19d | 28°C | 16d |
| Dec | 28°C | 13d | 28°C | 12d |
San Juan Weather in July
Full forecast, packing tips, and activities
Santo Domingo Weather in July
Full forecast, packing tips, and activities