Manuel Antonio weather in October

In October, Manuel Antonio sees average daytime highs of 26°C and overnight lows near 23°C, with 963 mm of rain across 30.9 wet days and about 11.8 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 0% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of October to 11 h 42 min by month's end. Set against the rest of the year, October is Manuel Antonio's 9th-clearest and 1st-windiest month. For the whole year in context, see Manuel Antonio's year-round climate.

Daytime high
26°
11th warmest
Overnight low
23°
4th coldest
Rainfall
963 mm
30.9 wet days
Daylight
11 h 48 min
5:28 AM – 5:15 PM
Cloud cover
95%
9th clearest
Wind
5 km/h
1st windiest
Solar energy
3.79 kWh/m²
Travel score
3.2
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical October day in Manuel Antonio reaches about 26°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, October runs on par with September and on par with November.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12723
22723
32723
42723
52723
62723
72723
82723
92723
102723
112723
122723
132623
142623
152623
162623
172623
182623
192623
202623
212623
222623
232623
242623
252623
262623
272623
282623
292623
302623
312623

Manuel Antonio weather by month

How October compares with the rest of the year at a glance. October is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 23°21626.411.54.3
Feb27° / 23°12521.111.74.8
Mar28° / 24°13124.511.94.5
Apr27° / 24°34228.312.23.6
May27° / 24°80530.912.43.2
Jun27° / 24°81929.912.53.2
Jul27° / 23°9063112.53.2
Aug27° / 23°9583112.33.2
Sep27° / 23°80529.912.13.2
Oct26° / 23°96330.911.83.2
Nov26° / 23°8983011.63.3
Dec27° / 23°49129.711.53.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 1% of October, with mostly cloudy or overcast conditions the remaining 99%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
120100
130100
140100
150100
160100
170100
180100
190100
200100
210100
220100
230100
240100
250100
260100
27199
28199
29199
30199
31199

Chance of precipitation in October

Any precipitation

Manuel Antonio gets around 963 mm of rain over 30.9 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 100% and peaks near 100% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
199
299
399
499
599
699
799
899
999
1099
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the oppressive band about 99% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
10991
20991
30991
40991
501000
601000
701000
801000
901000
1001000
1101000
121990
131990
141990
151990
161990
171990
1801000
1901000
2001000
2101000
2201000
2301000
2401000
2501000
2601000
2701000
2801000
2901000
3001000
3101000

Wind in October

Winds average 5 km/h in October, the windiest month of the year.

Across October, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 54 min at the start of October to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over October. Sunrise moves from 5:28 AM to 5:30 AM, and sunset from 5:23 PM to 5:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:285:23
211.95:285:23
311.95:285:22
411.95:285:21
511.95:285:21
611.95:285:20
711.95:285:20
811.95:285:19
911.85:285:19
1011.85:285:18
1111.85:285:18
1211.85:285:17
1311.85:285:17
1411.85:285:16
1511.85:285:16
1611.85:285:15
1711.85:285:15
1811.85:285:14
1911.85:285:14
2011.85:285:14
2111.75:285:13
2211.75:295:13
2311.75:295:13
2411.75:295:12
2511.75:295:12
2611.75:295:12
2711.75:295:11
2811.75:295:11
2911.75:305:11
3011.75:305:10
3111.75:305:10

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.79 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.79 kWh/m² to a high of 6.26 kWh/m² in March across the year — October's 3.79 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.0Bright
44.0Bright
54.0Moderate
64.0Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.7Moderate
183.7Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
313.7Moderate
Planning a trip in October

Is October a good time to visit Manuel Antonio?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2
Sightseeing
7th-best month of the year
3.2
Beach & pool
12th-best month of the year

October is a weaker month for outdoor sightseeing in Manuel Antonio.

What to pack for Manuel Antonio in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Manuel Antonio sees daytime highs around 26°C and nights near 23°C. Pack rain gear. Worth having: light clothes. About 31 days see rain.

rain gearlight clothes

Sea temperature near Manuel Antonio in October

The nearest coast averages about 28°C in October — 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.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec28Tropical

UV index in Manuel Antonio in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 15Dec 16UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May14Extreme
Jun14Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov12Extreme
Dec10Extreme

Air quality in Manuel Antonio in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1718 µg/m³Jan 149 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr17Moderate
May19Moderate
Jun17Moderate
Jul18Moderate
Aug17Moderate
Sep16Moderate
Oct14Moderate
Nov12Good
Dec10Good
Location & terrain

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.

TejarSan Rafael AbajoSan IsidroAserríSan MiguelSan Rafael ArribaSan Juan de DiosPatarrá

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.

3 km
195 m
16 km
821 m
80 km
3,764 m
treesgrasslandcroplandartificial surfaceswatermangroves
October weather nearby: Tejar 38 km · San Rafael Abajo 49 km · San Isidro 51 km · Aserrí 51 km · San Miguel 52 km · San Rafael Arriba 53 km · San Juan de Dios 53 km · Patarrá 54 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
Roman Catholic 48%none 27%Evangelical and Pentecostal 20%other 3%

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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).