Manuel Antonio in Fall
In fall (September, October and November), Manuel Antonio sees average daytime highs around 27°C and overnight lows near 23°C, with 2666 mm of rain over about 91 wet days across the season. It is the coldest season of the year and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 0% of the time across fall, and the air most often feels oppressive.
Fall is Manuel Antonio's 3rd-best season to visit on our travel score. Manuel Antonio 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 Manuel Antonio's year-round climate.
- Avg daytime high
- 27°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 2666 mm
- 91 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.2
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Manuel Antonio in Fall
Across fall, daytime highs hold fairly steady around 27°C.
A typical fall day in Manuel Antonio reaches about 27°C and drops to 23°C overnight. The warmest of the three months is September, the coolest November.
Manuel Antonio 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° | 216 | 26.4 | 11.5 | 4.3 |
| Feb | 27° / 23° | 125 | 21.1 | 11.7 | 4.8 |
| Mar | 28° / 24° | 131 | 24.5 | 11.9 | 4.5 |
| Apr | 27° / 24° | 342 | 28.3 | 12.2 | 3.6 |
| May | 27° / 24° | 805 | 30.9 | 12.4 | 3.2 |
| Jun | 27° / 24° | 819 | 29.9 | 12.5 | 3.2 |
| Jul | 27° / 23° | 906 | 31 | 12.5 | 3.2 |
| Aug | 27° / 23° | 958 | 31 | 12.3 | 3.2 |
| Sep | 27° / 23° | 805 | 29.9 | 12.1 | 3.2 |
| Oct | 26° / 23° | 963 | 30.9 | 11.8 | 3.2 |
| Nov | 26° / 23° | 898 | 30 | 11.6 | 3.3 |
| Dec | 27° / 23° | 491 | 29.7 | 11.5 | 3.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 0% of the time across fall.
Chance of precipitation in Fall
Manuel Antonio gets around 2666 mm of rain over 91 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 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 12 min in early September to 11 h 30 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 3.9 kWh/m².
Is fall a good time to visit Manuel Antonio?
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 weaker month for outdoor sightseeing in Manuel Antonio.
What to pack for Manuel Antonio in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Manuel Antonio sees daytime highs around 27°C and nights near 23°C. Pack rain gear. Worth having: light clothes. About 91 days see rain.
Sea temperature near Manuel Antonio in Fall
The nearest coast averages about 28°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 March at about 30°C and coldest in November near 28°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) | 29 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 28 | Tropical |
| Nov | 28 | Warm |
| Dec | 28 | Tropical |
UV index in Manuel Antonio in Fall
Clear-sky midday UV across fall 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 Manuel Antonio peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (extreme).
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) | 12 | 14 | 15 | 14 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 14 | Extreme |
| Mar | 15 | Extreme |
| Apr | 14 | Extreme |
| May | 14 | Extreme |
| Jun | 14 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 12 | Extreme |
| Dec | 10 | Extreme |
Air quality in Manuel Antonio 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 Manuel Antonio is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 9 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) | 9 | 10 | 11 | 17 | 19 | 17 | 18 | 17 | 16 | 14 | 12 | 10 |
| Level | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 17 | Moderate |
| May | 19 | Moderate |
| Jun | 17 | Moderate |
| Jul | 18 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 14 | Moderate |
| Nov | 12 | Good |
| Dec | 10 | Good |
Where is Manuel Antonio?
Manuel Antonio sits at 9.4°N, 84.2°W, 0 m above sea level, in Costa Rica. The nearest listed city is Tejar, 38 km away.
Topography around Manuel Antonio
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Manuel Antonio.
Within 3 km, the terrain around Manuel Antonio has only modest variations in elevation — a maximum elevation change of 195 m around an average of 40 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 821 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,764 m.
The land around Manuel Antonio is covered by trees (58%) and water (36%) within 3 km, water (52%) and trees (39%) within 16 km, and trees (52%) and water (36%) within 80 km.
Costa Rica travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 59% of US
- price level, 2025
- GDP per capita
- $19,970
- 2025
- Happiness
- 7.4 / 10
- World Happiness, 2025
- Safe drinking water
- 81%
- of population, 2024
- Homicide rate
- 17.7
- per 100k, 2023
- Road deaths
- 14.8
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 516
- Religion
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 Manuel Antonio (9.4087°, -84.1558°, elevation 0 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.