Santo Domingo Oeste weather in December
In December, Santo Domingo Oeste sees average daytime highs of 29°C and overnight lows near 21°C, with 39 mm of rain across 11.4 wet days and about 10.9 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 58% of the time in December, and the air most often feels muggy.
Daylight stretches from about 11 hours at the start of December to 10 h 54 min by month's end. Set against the rest of the year, December is Santo Domingo Oeste's 3rd-clearest and 1st-windiest month. For the whole year in context, see Santo Domingo Oeste's year-round climate.
- Daytime high
- 29°
- 10th warmest
- Overnight low
- 21°
- 4th coldest
- Rainfall
- 39 mm
- 11.4 wet days
- Daylight
- 10 h 54 min
- 7:09 AM – 6:03 PM
- Cloud cover
- 42%
- 3rd clearest
- Wind
- 11 km/h
- 1st windiest
- Solar energy
- 4.13 kWh/m²
- Travel score
- 5.8
- out of 10
Temperature in December
Day-to-day highs hold fairly steady near 29°C through the month.
A typical December day in Santo Domingo Oeste reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, December runs on par with November and on par with January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 21 |
| 2 | 29 | 21 |
| 3 | 29 | 21 |
| 4 | 29 | 21 |
| 5 | 29 | 21 |
| 6 | 29 | 21 |
| 7 | 29 | 21 |
| 8 | 29 | 21 |
| 9 | 29 | 21 |
| 10 | 29 | 21 |
| 11 | 29 | 21 |
| 12 | 29 | 21 |
| 13 | 29 | 21 |
| 14 | 29 | 21 |
| 15 | 29 | 21 |
| 16 | 29 | 21 |
| 17 | 28 | 21 |
| 18 | 28 | 21 |
| 19 | 28 | 21 |
| 20 | 28 | 21 |
| 21 | 28 | 21 |
| 22 | 28 | 21 |
| 23 | 28 | 21 |
| 24 | 28 | 21 |
| 25 | 28 | 21 |
| 26 | 28 | 21 |
| 27 | 28 | 21 |
| 28 | 28 | 21 |
| 29 | 28 | 21 |
| 30 | 28 | 20 |
| 31 | 28 | 20 |
How December really feels in Santo Domingo Oeste
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Santo Domingo Oeste weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 20° | 32 | 11.8 | 11 | 6.1 |
| Feb | 28° / 20° | 30 | 10.5 | 11.4 | 5.9 |
| Mar | 29° / 21° | 37 | 11.9 | 11.9 | 5.5 |
| Apr | 30° / 22° | 62 | 15.2 | 12.4 | 4.7 |
| May | 30° / 22° | 120 | 21.3 | 12.9 | 3.8 |
| Jun | 30° / 23° | 107 | 21.6 | 13.1 | 3.5 |
| Jul | 31° / 23° | 108 | 21.1 | 13 | 3.6 |
| Aug | 31° / 23° | 129 | 21.3 | 12.6 | 3.5 |
| Sep | 31° / 23° | 120 | 21.1 | 12.1 | 3.4 |
| Oct | 30° / 23° | 115 | 21.6 | 11.6 | 3.7 |
| Nov | 29° / 22° | 75 | 15.9 | 11.1 | 4.7 |
| Dec | 29° / 21° | 39 | 11.4 | 10.9 | 5.8 |
Cloud cover in December
The sky is clear or mostly clear about 58% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 22% of December, with mostly cloudy or overcast conditions the remaining 20%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 77 | 79 | 79 | 79 | 78 | 78 | 78 | 78 | 78 | 77 | 77 | 77 | 77 | 77 | 79 | 79 | 79 | 79 | 79 | 80 | 80 | 80 | 82 | 82 | 82 | 83 | 83 | 83 | 84 | 84 | 84 |
| Cloudier (%) | 23 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 18 | 18 | 18 | 17 | 17 | 17 | 16 | 16 | 16 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 77 | 23 |
| 2 | 79 | 21 |
| 3 | 79 | 21 |
| 4 | 79 | 21 |
| 5 | 78 | 22 |
| 6 | 78 | 22 |
| 7 | 78 | 22 |
| 8 | 78 | 22 |
| 9 | 78 | 22 |
| 10 | 77 | 23 |
| 11 | 77 | 23 |
| 12 | 77 | 23 |
| 13 | 77 | 23 |
| 14 | 77 | 23 |
| 15 | 79 | 21 |
| 16 | 79 | 21 |
| 17 | 79 | 21 |
| 18 | 79 | 21 |
| 19 | 79 | 21 |
| 20 | 80 | 20 |
| 21 | 80 | 20 |
| 22 | 80 | 20 |
| 23 | 82 | 18 |
| 24 | 82 | 18 |
| 25 | 82 | 18 |
| 26 | 83 | 17 |
| 27 | 83 | 17 |
| 28 | 83 | 17 |
| 29 | 84 | 16 |
| 30 | 84 | 16 |
| 31 | 84 | 16 |
Chance of precipitation in December
Santo Domingo Oeste gets around 39 mm of rain over 11.4 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 37% and peaks near 39% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 37 | 38 | 38 | 38 | 39 | 39 |
| Rain chance (%) | |
|---|---|
| 1 | 36 |
| 2 | 36 |
| 3 | 36 |
| 4 | 36 |
| 5 | 36 |
| 6 | 37 |
| 7 | 37 |
| 8 | 37 |
| 9 | 37 |
| 10 | 38 |
| 11 | 38 |
| 12 | 38 |
| 13 | 37 |
| 14 | 37 |
| 15 | 37 |
| 16 | 37 |
| 17 | 37 |
| 18 | 37 |
| 19 | 37 |
| 20 | 37 |
| 21 | 37 |
| 22 | 37 |
| 23 | 37 |
| 24 | 37 |
| 25 | 37 |
| 26 | 37 |
| 27 | 38 |
| 28 | 38 |
| 29 | 38 |
| 30 | 39 |
| 31 | 39 |
Humidity in December
Most of December feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the muggy band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Humid (%) | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 |
| Muggy (%) | 46 | 47 | 47 | 48 | 48 | 49 | 49 | 49 | 49 | 50 | 50 | 51 | 50 | 51 | 51 | 51 | 52 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 65 |
| Oppressive (%) | 48 | 47 | 47 | 46 | 45 | 45 | 44 | 44 | 43 | 43 | 42 | 41 | 41 | 40 | 40 | 39 | 38 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | 26 | 25 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|
| 1 | 0 | 5 | 46 | 48 |
| 2 | 0 | 5 | 47 | 47 |
| 3 | 0 | 5 | 47 | 47 |
| 4 | 0 | 6 | 48 | 46 |
| 5 | 0 | 6 | 48 | 45 |
| 6 | 1 | 6 | 49 | 45 |
| 7 | 1 | 6 | 49 | 44 |
| 8 | 1 | 6 | 49 | 44 |
| 9 | 1 | 7 | 49 | 43 |
| 10 | 1 | 7 | 50 | 43 |
| 11 | 1 | 7 | 50 | 42 |
| 12 | 1 | 7 | 51 | 41 |
| 13 | 1 | 8 | 50 | 41 |
| 14 | 1 | 8 | 51 | 40 |
| 15 | 1 | 8 | 51 | 40 |
| 16 | 1 | 9 | 51 | 39 |
| 17 | 1 | 9 | 52 | 38 |
| 18 | 2 | 9 | 51 | 38 |
| 19 | 2 | 9 | 52 | 37 |
| 20 | 2 | 9 | 53 | 36 |
| 21 | 2 | 9 | 54 | 35 |
| 22 | 2 | 9 | 55 | 34 |
| 23 | 2 | 9 | 56 | 33 |
| 24 | 2 | 9 | 57 | 32 |
| 25 | 2 | 9 | 58 | 31 |
| 26 | 2 | 9 | 59 | 30 |
| 27 | 2 | 9 | 60 | 29 |
| 28 | 2 | 9 | 61 | 28 |
| 29 | 2 | 9 | 62 | 27 |
| 30 | 2 | 9 | 63 | 26 |
| 31 | 2 | 8 | 65 | 25 |
Wind in December
Winds average 11 km/h in December, the windiest month of the year.
Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in December
Daylight runs from about 11 hours at the start of December to 10 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 7:01 AM to 7:16 AM, and sunset from 5:59 PM to 6:10 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.0 | 11.0 | 11.0 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 | 10.9 |
| Sunrise (AM) | 7:01 | 7:01 | 7:02 | 7:03 | 7:03 | 7:04 | 7:04 | 7:05 | 7:05 | 7:06 | 7:07 | 7:07 | 7:08 | 7:08 | 7:09 | 7:09 | 7:10 | 7:10 | 7:11 | 7:11 | 7:12 | 7:12 | 7:13 | 7:13 | 7:14 | 7:14 | 7:15 | 7:15 | 7:15 | 7:16 | 7:16 |
| Sunset (PM) | 5:59 | 5:59 | 5:59 | 5:59 | 6:00 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:09 | 6:10 | 6:10 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.0 | 7:01 | 5:59 |
| 2 | 11.0 | 7:01 | 5:59 |
| 3 | 11.0 | 7:02 | 5:59 |
| 4 | 10.9 | 7:03 | 5:59 |
| 5 | 10.9 | 7:03 | 6:00 |
| 6 | 10.9 | 7:04 | 6:00 |
| 7 | 10.9 | 7:04 | 6:00 |
| 8 | 10.9 | 7:05 | 6:00 |
| 9 | 10.9 | 7:05 | 6:01 |
| 10 | 10.9 | 7:06 | 6:01 |
| 11 | 10.9 | 7:07 | 6:01 |
| 12 | 10.9 | 7:07 | 6:02 |
| 13 | 10.9 | 7:08 | 6:02 |
| 14 | 10.9 | 7:08 | 6:02 |
| 15 | 10.9 | 7:09 | 6:03 |
| 16 | 10.9 | 7:09 | 6:03 |
| 17 | 10.9 | 7:10 | 6:03 |
| 18 | 10.9 | 7:10 | 6:04 |
| 19 | 10.9 | 7:11 | 6:04 |
| 20 | 10.9 | 7:11 | 6:05 |
| 21 | 10.9 | 7:12 | 6:05 |
| 22 | 10.9 | 7:12 | 6:06 |
| 23 | 10.9 | 7:13 | 6:06 |
| 24 | 10.9 | 7:13 | 6:07 |
| 25 | 10.9 | 7:14 | 6:07 |
| 26 | 10.9 | 7:14 | 6:08 |
| 27 | 10.9 | 7:15 | 6:08 |
| 28 | 10.9 | 7:15 | 6:09 |
| 29 | 10.9 | 7:15 | 6:09 |
| 30 | 10.9 | 7:16 | 6:10 |
| 31 | 10.9 | 7:16 | 6:10 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.13 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 4.13 kWh/m² to a high of 6.09 kWh/m² in June across the year — December's 4.13 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.2 | Bright |
| 2 | 4.2 | Bright |
| 3 | 4.2 | Bright |
| 4 | 4.2 | Bright |
| 5 | 4.2 | Bright |
| 6 | 4.2 | Bright |
| 7 | 4.2 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.2 | Bright |
| 10 | 4.2 | Bright |
| 11 | 4.2 | Bright |
| 12 | 4.2 | Bright |
| 13 | 4.1 | Bright |
| 14 | 4.1 | Bright |
| 15 | 4.1 | Bright |
| 16 | 4.1 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.1 | Bright |
| 20 | 4.1 | Bright |
| 21 | 4.1 | Bright |
| 22 | 4.1 | Bright |
| 23 | 4.1 | Bright |
| 24 | 4.1 | Bright |
| 25 | 4.1 | Bright |
| 26 | 4.1 | Bright |
| 27 | 4.1 | Bright |
| 28 | 4.1 | Bright |
| 29 | 4.1 | Bright |
| 30 | 4.1 | Bright |
| 31 | 4.1 | Bright |
Hazard calendar for Santo Domingo Oeste
None of Santo Domingo Oeste's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Santo Domingo Oeste sits in the Atlantic hurricane belt; the season peaks August–October.
Is December a good time to visit Santo Domingo Oeste?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Santo Domingo Oeste for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Santo Domingo Oeste in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Santo Domingo Oeste sees daytime highs around 29°C and nights near 21°C. Pack light clothes. Worth having: rain gear. About 11 days see rain.
Sea temperature near Santo Domingo Oeste in December
The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 19 km away) is warmest in September at about 29°C and coldest in February near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 27 | Warm |
| May | 28 | Warm |
| Jun | 28 | Tropical |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 28 | Warm |
UV index in Santo Domingo Oeste in December
Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santo Domingo Oeste peaks around August 16 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 7 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 10 | 12 | 12 | 11 | 12 | 12 | 12 | 11 | 10 | 7 | 7 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 10 | Very high |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 7 | Very high |
| Dec | 7 | High |
Air quality in Santo Domingo Oeste in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Santo Domingo Oeste is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 15 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 16 | 16 | 17 | 18 | 23 | 31 | 29 | 25 | 23 | 24 | 18 | 15 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 16 | Moderate |
| Mar | 17 | Moderate |
| Apr | 18 | Moderate |
| May | 23 | Moderate |
| Jun | 31 | Moderate |
| Jul | 29 | Moderate |
| Aug | 25 | Moderate |
| Sep | 23 | Moderate |
| Oct | 24 | Moderate |
| Nov | 18 | Moderate |
| Dec | 15 | Moderate |
Where is Santo Domingo Oeste?
Santo Domingo Oeste sits at 18.5°N, 70.0°W, 58 m above sea level, in Dominican Republic. The nearest listed city is Cristo Rey, 7.0 km away.
Topography around Santo Domingo Oeste
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Domingo Oeste.
Within 3 km, the terrain around Santo Domingo Oeste has only modest variations in elevation — a maximum elevation change of 74 m around an average of 42 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 401 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,804 m.
The land around Santo Domingo Oeste is covered by artificial surfaces (66%) and trees (26%) within 3 km, trees (41%) and artificial surfaces (26%) within 16 km, and trees (45%) and water (30%) within 80 km.
Dominican Republic travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C
- 120 V · 60 Hz
- Prices
- ≈ 39% of US
- price level, 2025
- GDP per capita
- $11,059
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 45%
- of population, 2024
- Homicide rate
- 10.9
- per 100k, 2023
- Road deaths
- 64.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 503
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Santo Domingo Oeste (18.5°, -70°, elevation 58 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).