Dominican Republic
Santo Domingo Oeste weather by month
Historical averages 2016–2025 · not a forecast
Loading your weather period…
When is the best time to visit Santo Domingo Oeste?
For a warm holiday, the best week has been 31 December – 6 January (Weather Index 95). Favourable start dates for a 7-day trip run from 23 December to 28 January. August and September are warmest (32°C), January is driest and April to July have the most sun.
Hurricane season runs from 1 June to 30 November and is most active from mid-August to mid-October. These averages don’t show storm risk, so check the forecast and your travel cover nearer the time.
- Warmest
- August and September 32°C
- Coolest
- January, February and December 29°C
- Driest
- January 35% rain-day chance
- Wettest
- July 76% rain-day chance
- Sunniest
- April to July 12 hours a day
A rain day has 1 mm or more, snow included, so a short shower counts. Monthly averages below give the amounts.
Monthly averages in Santo Domingo Oeste
Santo Domingo Oeste historical monthly estimates, 2016–2025. Temperatures and sunshine are daily averages.
| Month | High (°C) | Low (°C) | Rain-day chance (%) | Expected rain days | Precipitation (mm/month) | Sunshine (hours/day) |
|---|---|---|---|---|---|---|
| January | 28.8 | 20.3 | 34.8 | 10.8 | 30.8 | 10.5 |
| February | 29.0 | 20.5 | 48.2 | 13.5 | 34.4 | 11.1 |
| March | 29.6 | 21.0 | 42.6 | 13.2 | 44.4 | 11.5 |
| April | 29.9 | 22.2 | 53.3 | 16.0 | 86.4 | 11.5 |
| May | 30.2 | 23.2 | 70.6 | 21.9 | 114.4 | 11.9 |
| June | 30.7 | 23.9 | 74.0 | 22.2 | 92.8 | 12.1 |
| July | 31.2 | 24.0 | 75.8 | 23.5 | 105.0 | 11.8 |
| August | 31.5 | 24.3 | 68.7 | 21.3 | 135.3 | 11.3 |
| September | 31.6 | 24.2 | 68.3 | 20.5 | 95.9 | 10.6 |
| October | 31.0 | 23.6 | 64.8 | 20.1 | 131.2 | 10.0 |
| November | 29.9 | 22.5 | 54.0 | 16.2 | 103.2 | 10.1 |
| December | 29.3 | 21.2 | 38.1 | 11.8 | 40.4 | 10.7 |
Each month averages its own days. Precipitation includes snow. About the data
Sources
Open-Meteo · 1 Jan 2016 – 31 Dec 2025
- Open-Meteo Historical Weather API
- Local days, 2016–2025, every year weighted equally. Each weekly chart averages its own seven days, without smoothing.
- Shading shows the 10th–90th percentile of past days, not forecast confidence.
- A rain day has at least 1 mm, snow included. The last weekly period has eight days.
- Wind is the average daytime (10:00–18:00) maximum, not gusts. Daylight is calculated from latitude. Missing readings stay blank.
- Mugginess (dew point) comes from the original daily summaries, on UTC days.
- The live two-week forecast comes from the Open-Meteo Weather Forecast API. The Weather Index does not use it.