Santa Cruz de El Seibo in Summer
In summer (June, July and August), Santa Cruz de El Seibo sees average daytime highs around 31°C and overnight lows near 24°C, with 321 mm of rain over about 54 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 26% of the time across summer, and the air most often feels oppressive.
Summer is Santa Cruz de El Seibo's 3rd-best season to visit on our travel score. Santa Cruz de El Seibo has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Santa Cruz de El Seibo's year-round climate.
- Avg daytime high
- 31°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 321 mm
- 54 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.8
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Santa Cruz de El Seibo in Summer
Across summer, daytime highs hold fairly steady around 31°C.
A typical summer day in Santa Cruz de El Seibo reaches about 31°C and drops to 24°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Santa Cruz de El Seibo
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.
Santa Cruz de El Seibo 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 | 28° / 21° | 36 | 11.1 | 11 | 6.5 |
| Feb | 28° / 21° | 31 | 9.4 | 11.4 | 6.5 |
| Mar | 28° / 21° | 46 | 10.5 | 11.9 | 5.9 |
| Apr | 29° / 22° | 77 | 14.4 | 12.4 | 4.9 |
| May | 30° / 23° | 146 | 18.7 | 12.9 | 4.1 |
| Jun | 31° / 24° | 98 | 15.7 | 13.1 | 3.9 |
| Jul | 31° / 24° | 101 | 17.7 | 13 | 3.9 |
| Aug | 31° / 24° | 122 | 20.4 | 12.6 | 3.5 |
| Sep | 31° / 24° | 148 | 22.1 | 12.1 | 3.3 |
| Oct | 30° / 24° | 135 | 22.9 | 11.6 | 3.5 |
| Nov | 29° / 23° | 100 | 18.3 | 11.1 | 4.5 |
| Dec | 28° / 22° | 45 | 12.9 | 10.9 | 6.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 26% of the time across summer.
Chance of precipitation in Summer
Santa Cruz de El Seibo gets around 321 mm of rain over 54 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — 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 hours 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 6.2 kWh/m².
Hazard calendar for Santa Cruz de El Seibo
In summer, Santa Cruz de El Seibo overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Santa Cruz de El Seibo sits in the Atlantic hurricane belt; the season peaks August–October.
Is summer a good time to visit Santa Cruz de El Seibo?
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 Santa Cruz de El Seibo.
What to pack for Santa Cruz de El Seibo in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Santa Cruz de El Seibo sees daytime highs around 31°C and nights near 24°C. Pack light clothes, rain gear and sun protection. About 54 days see rain.
Sea temperature near Santa Cruz de El Seibo 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 41 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 | 27 | 27 | 28 | 28 | 29 | 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 | 27 | Warm |
| May | 27 | Warm |
| Jun | 28 | Warm |
| Jul | 28 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Santa Cruz de El Seibo 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 Santa Cruz de El Seibo peaks around August 16 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 | 12 | 12 | 12 | 13 | 11 | 10 | 8 | 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 | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Santa Cruz de El Seibo 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 Santa Cruz de El Seibo is worst in June — around 27 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (December, 8 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) | 8 | 10 | 11 | 11 | 18 | 27 | 27 | 23 | 18 | 18 | 11 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 11 | Good |
| May | 18 | Moderate |
| Jun | 27 | Moderate |
| Jul | 27 | Moderate |
| Aug | 23 | Moderate |
| Sep | 18 | Moderate |
| Oct | 18 | Moderate |
| Nov | 11 | Good |
| Dec | 8 | Good |
Where is Santa Cruz de El Seibo?
Santa Cruz de El Seibo sits at 18.8°N, 69.0°W, 91 m above sea level, in Dominican Republic. The nearest listed city is Hato Mayor del Rey, 23 km away.
Topography around Santa Cruz de El Seibo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Cruz de El Seibo.
Within 3 km, the terrain around Santa Cruz de El Seibo has only modest variations in elevation — a maximum elevation change of 154 m around an average of 104 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 633 m; within 80 km, large variations in elevation — a maximum elevation change of 673 m.
The land around Santa Cruz de El Seibo is covered by grassland (76%) within 3 km, grassland (62%) and trees (35%) within 16 km, and water (46%), trees (27%) and grassland (23%) 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 Santa Cruz de El Seibo (18.7648°, -69.0399°, elevation 91 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.