Weather Comparison
Side-by-side weather comparison for March
| Metric | San Juan | Santo Domingo | Better |
|---|---|---|---|
| Average HighHigher is warmer | 30°C (86°F)▲ | 28°C (82°F) | San Juan |
| Average LowHigher is milder | 23°C (73°F)▲ | 21°C (70°F) | San Juan |
| Rain DaysFewer is drier | 12 days | 12 days | Tie |
| PrecipitationLess is drier | 140 mm | 39 mm▲ | Santo Domingo |
| Sunshine HoursMore is sunnier | 4h/day | 11h/day▲ | Santo Domingo |
| HumidityLower is more comfortable | 78% | 78% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 15 km/h | 15 km/h | Tie |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Santo Domingo edges ahead as the better destination in March. Santo Domingo offers 11 hours of daily sunshine with only 12 rain days, while San Juan sees 4 sunshine hours and 12 rain days.
San Juan can feel quite hot at 30°C, so plan for heat. Santo Domingo is also comfortable at 28°C.
For travelers who prioritize dry weather, both cities are equally dry in March. Santo Domingo receives 7 more hours of sunshine per day, which matters for sightseeing and outdoor activities.
San Juan reaches an average high of 30°C (86°F) and drops to 23°C (73°F) at night during March. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.
Santo Domingo averages 28°C (82°F) for the high and 21°C (70°F) for the low, with a daily range of 7°C. The 2°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in March.
San Juan receives approximately 140 mm of rainfall across 12 rain days during March. You can expect rain roughly every other day.
Santo Domingo sees 39 mm over 12 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 78%.
Highs of 30°C, lows of 23°C, 12 rain days
Highs of 28°C, lows of 21°C, 12 rain days
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 March.
The table below shows average high temperatures and rain days for every month. March is highlighted for quick reference.
| Month | San Juan | Santo Domingo | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 28°C | 7d | 27°C | 12d |
| Feb | 29°C | 9d | 28°C | 11d |
| Mar | 30°C | 12d | 28°C | 12d |
| Apr | 31°C | 15d | 29°C | 16d |
| May | 32°C | 17d | 29°C | 21d |
| Jun | 32°C | 18d | 30°C | 22d |
| Jul | 32°C | 17d | 30°C | 22d |
| Aug | 31°C | 15d | 30°C | 22d |
| Sep | 30°C | 12d | 30°C | 21d |
| Oct | 29°C | 9d | 29°C | 22d |
| Nov | 28°C | 7d | 28°C | 16d |
| Dec | 28°C | 6d | 28°C | 12d |
San Juan Weather in March
Full forecast, packing tips, and activities
Santo Domingo Weather in March
Full forecast, packing tips, and activities