Boca Chica in Fall
In fall (September, October and November), Boca Chica sees average daytime highs around 29°C and overnight lows near 25°C, with 341 mm of rain over about 54 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Across fall, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 39% of the time across fall, and the air most often feels oppressive.
Fall is Boca Chica's 3rd-best season to visit on our travel score. Boca Chica 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 Boca Chica's year-round climate.
- Avg daytime high
- 29°C
- 2nd-warmest season
- Avg overnight low
- 25°C
- Rainfall
- 341 mm
- 54 wet days
- Avg wind
- 13 km/h
- Travel score
- 4.8
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Boca Chica in Fall
Across fall, daytime highs hold fairly steady around 29°C.
A typical fall day in Boca Chica reaches about 29°C and drops to 25°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Boca Chica
Once humidity and wind are folded in, fall brings about 58 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Boca Chica weather by month
How the three fall months (September, October and November) 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° / 23° | 23 | 6.5 | 11 | 7.5 |
| Feb | 27° / 23° | 19 | 5 | 11.4 | 7.7 |
| Mar | 27° / 23° | 25 | 6.7 | 11.9 | 7.4 |
| Apr | 28° / 24° | 46 | 10 | 12.4 | 6.6 |
| May | 28° / 25° | 104 | 16.5 | 12.9 | 5.2 |
| Jun | 29° / 25° | 86 | 16.2 | 13.1 | 4.7 |
| Jul | 29° / 26° | 90 | 15.9 | 13 | 4.7 |
| Aug | 29° / 26° | 115 | 18.1 | 12.6 | 4.4 |
| Sep | 29° / 26° | 140 | 20 | 12.1 | 4.2 |
| Oct | 29° / 25° | 120 | 19.9 | 11.6 | 4.4 |
| Nov | 28° / 24° | 80 | 14.3 | 11.1 | 5.7 |
| Dec | 28° / 24° | 31 | 7.4 | 10.9 | 7.2 |
Cloud cover in Fall
The sky is clear or mostly clear about 39% of the time across fall.
Chance of precipitation in Fall
Boca Chica gets around 341 mm of rain over 54 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 13 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 11 hours by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 4.8 kWh/m².
Hazard calendar for Boca Chica
In fall, Boca Chica overlaps its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.
Boca Chica sits in the Atlantic hurricane belt; the season peaks August–October.
Boca Chica's rainy season runs May–November, when most of the year's rain falls.
Is fall a good time to visit Boca Chica?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Boca Chica for sightseeing.
What to pack for Boca Chica in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Boca Chica sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 54 days see rain.
Sea temperature near Boca Chica in Fall
The nearest coast averages about 29°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore 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 Boca Chica in Fall
Clear-sky midday UV across fall averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Boca Chica 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 | 13 | 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 | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 7 | Very high |
| Dec | 7 | High |
Air quality in Boca Chica in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Boca Chica 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 Boca Chica?
Boca Chica sits at 18.4°N, 69.6°W, 12 m above sea level, in Dominican Republic. The nearest listed city is Quisqueya, 23 km away.
Topography around Boca Chica
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Boca Chica.
Within 3 km, the terrain around Boca Chica has only modest variations in elevation — a maximum elevation change of 31 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 56 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,706 m.
The land around Boca Chica is covered by water (38%), trees (28%) and grassland (21%) within 3 km, water (40%), grassland (31%) and trees (21%) within 16 km, and trees (36%), water (35%) and grassland (24%) 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 Boca Chica (18.45°, -69.6°, elevation 12 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.