Turrialba weather in October

In October, Turrialba sees average daytime highs of 23°C and overnight lows near 16°C, with 461 mm of rain across 30.3 wet days and about 11.8 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 0% of the time in October, and the air most often feels humid.

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 Turrialba's 9th-clearest and 12th-windiest month. For the whole year in context, see Turrialba's year-round climate.

Daytime high
23°
5th warmest
Overnight low
16°
9th coldest
Rainfall
461 mm
30.3 wet days
Daylight
11 h 48 min
5:26 AM – 5:13 PM
Cloud cover
92%
9th clearest
Wind
4 km/h
12th windiest
Solar energy
4 kWh/m²
Travel score
3.5
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical October day in Turrialba reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, October runs on par with September and about 1°C warmer than November.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12317
22317
32317
42317
52317
62317
72317
82317
92317
102317
112317
122317
132317
142317
152317
162317
172317
182317
192317
202316
212316
222316
232316
242316
252316
262316
272316
282316
292316
302316
312316

Turrialba weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 14°22819.911.55.0
Feb21° / 14°15417.811.75.0
Mar21° / 14°15121.911.94.7
Apr22° / 15°16024.212.24.2
May23° / 17°38929.812.43.6
Jun23° / 17°34029.412.63.5
Jul23° / 17°27729.412.53.6
Aug23° / 16°28629.612.33.6
Sep23° / 16°35429.512.13.5
Oct23° / 16°46130.311.83.5
Nov22° / 16°42727.811.53.7
Dec21° / 15°30822.411.44.5

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 3% of October, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14298
15298
16298
17397
18397
19496
20496
21496
22496
23496
24496
25496
26595
27595
28595
29595
30694
31694

Chance of precipitation in October

Any precipitation

Turrialba gets around 461 mm of rain over 30.3 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 97% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
199
299
399
499
599
699
799
898
998
1098
1198
1298
1398
1498
1597
1697
1797
1897
1997
2097
2197
2297
2397
2497
2596
2696
2796
2896
2996
3096
3195

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
118613
218613
318613
418712
518712
618712
718712
818712
918712
1018712
1118712
1228612
1328612
1428612
1528612
1618712
1718712
1818712
1918712
2018712
2118712
2218811
2328711
2428711
2528810
262899
272899
282908
293907
303916
314906

Wind in October

Winds average 4 km/h in October, the calmest month.

Across October, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 5:26 AM to 5:29 AM, and sunset from 5:21 PM to 5:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:265:21
211.95:265:21
311.95:265:20
411.95:265:19
511.95:265:19
611.95:265:18
711.95:265:18
811.85:265:17
911.85:265:17
1011.85:265:16
1111.85:265:15
1211.85:265:15
1311.85:265:14
1411.85:265:14
1511.85:265:14
1611.85:265:13
1711.85:275:13
1811.85:275:12
1911.85:275:12
2011.75:275:11
2111.75:275:11
2211.75:275:11
2311.75:275:10
2411.75:275:10
2511.75:285:10
2611.75:285:09
2711.75:285:09
2811.75:285:09
2911.75:285:08
3011.75:295:08
3111.75:295:08

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4 kWh/m².

For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 5.71 kWh/m² in March across the year — October's 4 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.1Bright
84.1Bright
94.1Bright
104.0Bright
114.0Bright
124.0Bright
134.0Moderate
144.0Moderate
154.0Moderate
164.0Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in October

Is October a good time to visit Turrialba?

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

3.5
Sightseeing
10th-best month of the year
2.7
Beach & pool
11th-best month of the year

October is a weaker month for outdoor sightseeing in Turrialba.

What to pack for Turrialba in October

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

In October, Turrialba sees daytime highs around 23°C and nights near 16°C. Pack rain gear. Worth having: light clothes. About 30 days see rain.

rain gearlight clothes

Sea temperature near Turrialba in October

The nearest coast averages about 29°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 62 km away) is warmest in September at about 29°C and coldest in January near 27°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
Jan27Warm
Feb27Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Turrialba 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 Turrialba peaks around March 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 20UV 14Dec 15UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Turrialba 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 Turrialba 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 Turrialba?

Turrialba sits at 9.9°N, 83.7°W, 674 m above sea level, in Costa Rica. The nearest listed city is Paraíso, 21 km away.

ParaísoCartagoSiquirresSan DiegoGuápilesIpísCurridabatPurral

Topography around Turrialba

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

Within 3 km, the terrain around Turrialba has large variations in elevation — a maximum elevation change of 654 m around an average of 757 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,066 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,765 m.

The land around Turrialba is covered by trees (67%) and grassland (21%) within 3 km, trees (76%) and grassland (22%) within 16 km, and trees (75%) within 80 km.

3 km
654 m
16 km
3,066 m
80 km
3,765 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Paraíso 21 km · Cartago 26 km · Siquirres 29 km · San Diego 35 km · Guápiles 37 km · Ipís 37 km · Curridabat 39 km · Purral 39 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 Turrialba (9.9037°, -83.6836°, elevation 674 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).