Santiago de los Caballeros in Summer
In summer (June, July and August), Santiago de los Caballeros sees average daytime highs around 32°C and overnight lows near 22°C, with 135 mm of rain over about 32 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 35% of the time across summer, and the air most often feels muggy.
Summer is Santiago de los Caballeros's weakest season of the year to visit on our travel score. For the whole year in context, see Santiago de los Caballeros's year-round climate.
- Avg daytime high
- 32°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 135 mm
- 32 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.9
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Santiago de los Caballeros in Summer
Across summer, daytime highs hold fairly steady around 32°C.
A typical summer day in Santiago de los Caballeros reaches about 32°C and drops to 22°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Santiago de los Caballeros
Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Santiago de los Caballeros weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 19° | 37 | 7.6 | 11 | 7.1 |
| Feb | 28° / 19° | 34 | 6.9 | 11.3 | 6.9 |
| Mar | 29° / 19° | 48 | 9.2 | 11.9 | 5.9 |
| Apr | 30° / 20° | 72 | 12.4 | 12.4 | 5.0 |
| May | 31° / 21° | 99 | 16.8 | 12.9 | 4.0 |
| Jun | 32° / 22° | 50 | 11.2 | 13.2 | 3.9 |
| Jul | 32° / 23° | 33 | 9.5 | 13.1 | 4.0 |
| Aug | 32° / 23° | 52 | 10.8 | 12.7 | 3.7 |
| Sep | 32° / 22° | 81 | 14.8 | 12.1 | 3.5 |
| Oct | 31° / 22° | 81 | 15.1 | 11.6 | 4.0 |
| Nov | 29° / 20° | 64 | 12.8 | 11.1 | 5.2 |
| Dec | 28° / 19° | 37 | 7.8 | 10.8 | 6.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 35% of the time across summer.
Chance of precipitation in Summer
Santiago de los Caballeros gets around 135 mm of rain over 32 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 06 min in early June to 12 h 24 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.5 kWh/m².
Hazard calendar for Santiago de los Caballeros
In summer, Santiago de los Caballeros overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Santiago de los Caballeros sits in the Atlantic hurricane belt; the season peaks August–October.
Is summer a good time to visit Santiago de los Caballeros?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Santiago de los Caballeros. The water and warmth also suit a beach or pool day.
What to pack for Santiago de los Caballeros in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Santiago de los Caballeros sees daytime highs around 32°C and nights near 22°C. Pack light clothes and sun protection. Worth having: rain gear. About 32 days see rain.
Sea temperature near Santiago de los Caballeros in Summer
The nearest coast averages about 28°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 48 km away) is warmest in September at about 29°C and coldest in February near 26°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) | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 29 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 26 | Warm |
| Mar | 26 | Warm |
| Apr | 26 | Warm |
| May | 27 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 28 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Santiago de los Caballeros in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santiago de los Caballeros peaks around March 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 | 11 | 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 | 11 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 7 | Very high |
| Dec | 7 | High |
Air quality in Santiago de los Caballeros in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Santiago de los Caballeros is worst in June — around 30 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (February, 16 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) | 17 | 16 | 16 | 18 | 23 | 30 | 28 | 25 | 26 | 27 | 20 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 16 | Moderate |
| Mar | 16 | Moderate |
| Apr | 18 | Moderate |
| May | 23 | Moderate |
| Jun | 30 | Moderate |
| Jul | 28 | Moderate |
| Aug | 25 | Moderate |
| Sep | 26 | Moderate |
| Oct | 27 | Moderate |
| Nov | 20 | Moderate |
| Dec | 17 | Moderate |
Where is Santiago de los Caballeros?
Santiago de los Caballeros sits at 19.5°N, 70.7°W, 209 m above sea level, in Dominican Republic. The nearest listed city is Tamboril, 9.0 km away.
Topography around Santiago de los Caballeros
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santiago de los Caballeros.
Within 3 km, the terrain around Santiago de los Caballeros has only modest variations in elevation — a maximum elevation change of 110 m around an average of 191 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,141 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,073 m.
The land around Santiago de los Caballeros is covered by artificial surfaces (71%) and trees (25%) within 3 km, trees (60%) and grassland (24%) within 16 km, and trees (55%) and water (21%) 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 Santiago de los Caballeros (19.4504°, -70.6908°, elevation 209 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.