Tamarindo weather in October

In October, Tamarindo sees average daytime highs of 29°C and overnight lows near 24°C, with 371 mm of rain across 27.7 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 29°C through the month. The sky is clear or mostly clear about 2% 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 Tamarindo's 10th-clearest and 9th-windiest month. For the whole year in context, see Tamarindo's year-round climate.

Daytime high
29°
12th warmest
Overnight low
24°
5th coldest
Rainfall
371 mm
27.7 wet days
Daylight
11 h 48 min
5:35 AM – 5:21 PM
Cloud cover
86%
10th clearest
Wind
8 km/h
9th windiest
Solar energy
4.24 kWh/m²
Travel score
3.1
out of 10

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical October day in Tamarindo reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How October really feels in Tamarindo

Once humidity and wind are folded in, October averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tamarindo 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
Jan32° / 24°20.511.55.3
Feb33° / 24°30.511.74.8
Mar33° / 24°51.411.94.2
Apr34° / 25°408.412.23.3
May32° / 25°24322.912.52.8
Jun30° / 25°29826.512.62.8
Jul30° / 24°20622.812.53.2
Aug30° / 24°28425.812.33.0
Sep30° / 24°34028.912.12.7
Oct29° / 24°37127.711.83.1
Nov30° / 24°13014.511.54.5
Dec31° / 24°142.611.45.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 7% of October, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1694
2694
3694
4694
5793
6793
7793
8793
9793
10793
11793
12793
13793
14793
15892
16892
17892
18991
19991
201090
211090
221189
231189
241288
251387
261486
271684
281684
291882
301882
311981

Chance of precipitation in October

Any precipitation

Tamarindo gets around 371 mm of rain over 27.7 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 89% and peaks near 94% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
393
493
592
692
792
892
992
1092
1192
1292
1392
1492
1592
1692
1792
1892
1991
2090
2190
2289
2388
2487
2586
2684
2783
2881
2980
3078
3176

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
106733
206733
306733
406733
506832
606832
706832
806931
906931
1006931
1107030
1207030
1307030
1407030
1507129
1607129
1707129
1807129
1907228
2017128
2117227
2217227
2317326
2417425
2517425
2617524
2717722
2817821
2917920
3027919
3128018

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:35 AM to 5:38 AM, and sunset from 5:30 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.95:355:30
211.95:355:29
311.95:355:28
411.95:355:28
511.95:355:27
611.95:355:27
711.95:355:26
811.85:355:26
911.85:355:25
1011.85:355:24
1111.85:355:24
1211.85:355:23
1311.85:355:23
1411.85:355:22
1511.85:355:22
1611.85:355:21
1711.85:355:21
1811.75:365:21
1911.75:365:20
2011.75:365:20
2111.75:365:19
2211.75:365:19
2311.75:365:18
2411.75:365:18
2511.75:375:18
2611.75:375:17
2711.75:375:17
2811.75:375:17
2911.75:375:17
3011.65:385:16
3111.65:385:16

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.24 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 6.77 kWh/m² in March across the year — October's 4.24 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.2Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in October

Hazard calendar for Tamarindo

In seasonPeak

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

Tamarindo's monsoon runs May–October, when most of the year's rain falls.

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

Is October a good time to visit Tamarindo?

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

3.1
Sightseeing
8th-best month of the year
4.1
Beach & pool
10th-best month of the year

October is a weaker month for outdoor sightseeing in Tamarindo.

What to pack for Tamarindo in October

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

In October, Tamarindo sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. About 28 days see rain.

light clothesrain gear

Sea temperature near Tamarindo 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 May at about 29°C and coldest in February 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
Jan28Warm
Feb28Warm
Mar28Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec28Warm

UV index in Tamarindo 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 Tamarindo peaks around March 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 19UV 13Dec 15UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov10Extreme
Dec9Very high

Air quality in Tamarindo 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 Tamarindo is worst in July — around 20 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1619 µg/m³Dec 176 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb9Good
Mar11Good
Apr19Moderate
May19Moderate
Jun16Moderate
Jul20Moderate
Aug16Moderate
Sep12Good
Oct9Good
Nov7Good
Dec6Good
Location & terrain

Where is Tamarindo?

Tamarindo sits at 10.3°N, 85.8°W, 0 m above sea level, in Costa Rica. The nearest listed city is Nicoya, 46 km away.

NicoyaLiberiaCañasSan JoséSan Juan del SurMonteverdePuntarenasChacarita

Topography around Tamarindo

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

Within 3 km, the terrain around Tamarindo has only modest variations in elevation — a maximum elevation change of 154 m around an average of 19 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 491 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,872 m.

The land around Tamarindo is covered by water (43%) and trees (41%) within 3 km, water (53%) and trees (36%) within 16 km, and water (49%) and trees (34%) within 80 km.

3 km
154 m
16 km
491 m
80 km
1,872 m
treesgrasslandcroplandartificial surfaceswatermangroves
October weather nearby: Nicoya 46 km · Liberia 58 km · Cañas 83 km · San José 106 km · San Juan del Sur 106 km · Monteverde 113 km · Puntarenas 116 km · Chacarita 121 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 Tamarindo (10.2991°, -85.8411°, 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).