Bonao in Fall
In fall (September, October and November), Bonao sees average daytime highs around 26°C and overnight lows near 18°C, with 397 mm of rain over about 60 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 27°C in early September to 24°C by late November. The sky is clear or mostly clear about 25% of the time across fall, and the air most often feels muggy.
Fall is Bonao's 3rd-best season to visit on our travel score. For the whole year in context, see Bonao's year-round climate.
- Avg daytime high
- 26°C
- 2nd-warmest season
- Avg overnight low
- 18°C
- Rainfall
- 397 mm
- 60 wet days
- Avg wind
- 5 km/h
- Travel score
- 5.2
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Bonao in Fall
Over the season highs ease from about 27°C in early September to 24°C by late November.
A typical fall day in Bonao reaches about 26°C and drops to 18°C overnight. The warmest of the three months is September, the coolest November.
Bonao 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 | 23° / 15° | 75 | 14.1 | 11 | 6.5 |
| Feb | 23° / 15° | 70 | 12.7 | 11.4 | 6.5 |
| Mar | 24° / 16° | 115 | 15.4 | 11.9 | 6.3 |
| Apr | 25° / 17° | 170 | 19.5 | 12.4 | 5.5 |
| May | 26° / 18° | 253 | 23.2 | 12.9 | 4.7 |
| Jun | 27° / 19° | 132 | 19.9 | 13.1 | 5.0 |
| Jul | 27° / 19° | 105 | 21 | 13 | 5.0 |
| Aug | 27° / 19° | 125 | 21.8 | 12.6 | 4.8 |
| Sep | 27° / 19° | 149 | 21.9 | 12.1 | 4.7 |
| Oct | 26° / 19° | 133 | 20.3 | 11.6 | 5.1 |
| Nov | 25° / 17° | 115 | 17.4 | 11.1 | 5.7 |
| Dec | 24° / 16° | 73 | 13.5 | 10.9 | 6.6 |
Cloud cover in Fall
The sky is clear or mostly clear about 25% of the time across fall.
Chance of precipitation in Fall
Bonao gets around 397 mm of rain over 60 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 24 min in early September to 10 h 54 min 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.
Is fall a good time to visit Bonao?
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 Bonao for sightseeing.
What to pack for Bonao in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Bonao sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 60 days see rain.
Sea temperature near Bonao 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 at the nearest coast (about 67 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 | 29 | 29 | 29 | 29 | 29 | 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 | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Bonao 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 Bonao peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very 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 | 11 | 13 | 13 | 12 | 12 | 12 | 13 | 12 | 10 | 8 | 7 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Bonao 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 Bonao is worst in June — around 31 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (February, 17 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) | 18 | 17 | 18 | 18 | 23 | 31 | 29 | 26 | 25 | 26 | 21 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 17 | Moderate |
| Mar | 18 | Moderate |
| Apr | 18 | Moderate |
| May | 23 | Moderate |
| Jun | 31 | Moderate |
| Jul | 29 | Moderate |
| Aug | 26 | Moderate |
| Sep | 25 | Moderate |
| Oct | 26 | Moderate |
| Nov | 21 | Moderate |
| Dec | 18 | Moderate |
Where is Bonao?
Bonao sits at 18.9°N, 70.4°W, 166 m above sea level, in Dominican Republic. The nearest listed city is Cotuí, 30 km away.
Topography around Bonao
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bonao.
Within 3 km, the terrain around Bonao has only modest variations in elevation — a maximum elevation change of 169 m around an average of 179 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,677 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,072 m.
The land around Bonao is covered by trees (50%) and artificial surfaces (30%) within 3 km, trees (80%) within 16 km, and trees (68%) 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 Bonao (18.9415°, -70.4111°, elevation 166 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.