Weather Comparison
San Juan vs Santo Domingo
Side-by-side weather comparison for March
March Weather: San Juan vs Santo Domingo
| Metric | San Juan | Santo Domingo | Better |
|---|---|---|---|
| Average HighHigher is warmer | 29°C (84°F)▲ | 28°C (82°F) | San Juan |
| Average LowHigher is milder | 22°C (72°F)▲ | 21°C (70°F) | San Juan |
| Rain DaysFewer is drier | 9 days▲ | 12 days | San Juan |
| PrecipitationLess is drier | 41 mm | 39 mm▲ | Santo Domingo |
| Sunshine HoursMore is sunnier | 11h/day | 11h/day | Tie |
| HumidityLower is more comfortable | 78% | 78% | Tie |
| UV IndexLower is safer | 6 | 6 | Tie |
| Wind SpeedCalmer is better | 20 km/h | 15 km/h▲ | Santo Domingo |
Which City is Better in March?
San Juan and Santo Domingo are closely matched in March. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.
San Juan can feel quite hot at 29°C, so plan for heat. Santo Domingo is also comfortable at 28°C.
For travelers who prioritize dry weather, San Juan is the stronger choice in March.
Temperature Comparison in March
San Juan reaches an average high of 29°C (84°F) and drops to 22°C (72°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 two cities feel quite similar in terms of temperature.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in March.
Rainfall Comparison in March
San Juan receives approximately 41 mm of rainfall across 9 rain days during March. You can expect rain roughly every other day.
Santo Domingo sees 39 mm over 12 rain days. That makes San Juan the drier option by 3 rain days and 2 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 March
Highs of 29°C, lows of 22°C, 9 rain days
- ✓lightweight breathable clothing
- ✓sunscreen SPF 50+
- ✓sunglasses
- ✓a wide-brimmed hat
- ✓a packable rain jacket
- ✓an umbrella
- ✓moisture-wicking fabrics
Packing for Santo Domingo in March
Highs of 28°C, lows of 21°C, 12 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, moisture-wicking fabrics. These items are useful in either destination during March.
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.March 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 March
Full forecast, packing tips, and activities
Santo Domingo Weather in March
Full forecast, packing tips, and activities