Chacarita weather in October

In October, Chacarita sees average daytime highs of 27°C and overnight lows near 23°C, with 479 mm of rain across 30.6 wet days and about 11.8 hours of daylight. It is the 12th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°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 36 min by month's end. Set against the rest of the year, October is Chacarita's 10th-clearest and 7th-windiest month. For the whole year in context, see Chacarita's year-round climate.

Daytime high
27°
12th warmest
Overnight low
23°
4th coldest
Rainfall
479 mm
30.6 wet days
Daylight
11 h 48 min
5:31 AM – 5:17 PM
Cloud cover
90%
10th clearest
Wind
5 km/h
7th windiest
Solar energy
4 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 27°C through the month.

A typical October day in Chacarita reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°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
132723
142723
152723
162723
172723
182723
192723
202723
212723
222723
232723
242723
252723
262723
272723
282723
292723
302723
312723

How October really feels in Chacarita

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Chacarita weather by month

How October compares with the rest of the year at a glance. October is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°24811.55.9
Feb31° / 23°164.511.75.7
Mar31° / 23°309.711.94.9
Apr30° / 24°12222.512.23.7
May28° / 24°41229.912.53.1
Jun28° / 24°41229.712.63.0
Jul28° / 24°36930.512.53.2
Aug28° / 23°41430.712.33.2
Sep28° / 23°40929.812.13.2
Oct27° / 23°47930.611.83.2
Nov28° / 23°28227.211.53.7
Dec28° / 23°8217.611.45.1

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 2% of October, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13298
14298
15298
16298
17298
18298
19298
20298
21397
22397
23397
24397
25397
26496
27595
28694
29694
30793
31793

Chance of precipitation in October

Any precipitation

Chacarita gets around 479 mm of rain over 30.6 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 99% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
199
299
399
499
599
699
799
899
999
1099
1199
1299
1399
1499
1599
1699
1799
1899
1999
2099
2199
2299
2399
2499
2599
2699
2798
2898
2998
3098
3198

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 (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
130100
140100
150100
160100
170100
18199
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199
31199

Wind in October

Winds average 5 km/h in October.

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 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over October. Sunrise moves from 5:31 AM to 5:33 AM, and sunset from 5:25 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:315:25
211.95:315:25
311.95:315:24
411.95:315:24
511.95:315:23
611.95:315:23
711.95:315:22
811.85:315:21
911.85:315:21
1011.85:315:20
1111.85:315:20
1211.85:315:19
1311.85:315:19
1411.85:315:18
1511.85:315:18
1611.85:315:17
1711.85:315:17
1811.85:315:17
1911.75:315:16
2011.75:315:16
2111.75:315:15
2211.75:325:15
2311.75:325:15
2411.75:325:14
2511.75:325:14
2611.75:325:13
2711.75:325:13
2811.75:335:13
2911.75:335:13
3011.75:335:12
3111.65:335:12

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4 kWh/m² to a high of 6.47 kWh/m² in March across the year — October's 4 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.0Bright
104.0Bright
114.0Bright
124.0Moderate
134.0Moderate
144.0Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
244.0Moderate
254.0Moderate
264.0Moderate
274.0Moderate
284.0Moderate
294.0Bright
304.0Bright
314.0Bright
Planning a trip in October

Hazard calendar for Chacarita

In seasonPeak

In October, Chacarita sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Chacarita's rainy season runs May–November, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Chacarita?

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
3.4
Beach & pool
11th-best month of the year

October is a weaker month for outdoor sightseeing in Chacarita.

What to pack for Chacarita in October

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

In October, Chacarita sees daytime highs around 27°C and nights near 23°C. Pack light clothes and rain gear. About 31 days see rain.

light clothesrain gear

Sea temperature near Chacarita 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 at the nearest coast (about 21 km away) is warmest in April at about 29°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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec28Tropical

UV index in Chacarita in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chacarita peaks around March 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 10 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 12UV 13Dec 17UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov11Extreme
Dec9Very high

Air quality in Chacarita 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 Chacarita is worst in May — around 18 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (January, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1617 µg/m³Jan 19 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr16Moderate
May18Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep14Moderate
Oct12Moderate
Nov11Good
Dec9Good
Location & terrain

Where is Chacarita?

Chacarita sits at 10.0°N, 84.8°W, 7 m above sea level, in Costa Rica. The nearest listed city is Puntarenas, 7.0 km away.

San_Ramon_MonteverdeJacoQuesadaLa FortunaSan Rafael Abajo

Topography around Chacarita

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chacarita.

Within 3 km, the terrain around Chacarita has only modest variations in elevation — a maximum elevation change of 27 m around an average of 5 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 977 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,891 m.

The land around Chacarita is covered by water (42%) and mangroves (27%) within 3 km, water (39%) and trees (30%) within 16 km, and trees (50%) and water (28%) within 80 km.

3 km
27 m
16 km
977 m
80 km
2,891 m
treesgrasslandcroplandartificial surfaceswatermangroves
October weather nearby: Puntarenas 7.0 km · Esparza 12 km · San_Ramon_ 36 km · Monteverde 36 km · Jaco 44 km · Quesada 54 km · La Fortuna 56 km · San Rafael Abajo 56 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 Chacarita (9.9842°, -84.7789°, elevation 7 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).