Tamarindo weather in April

In April, Tamarindo sees average daytime highs of 34°C and overnight lows near 25°C, with 40 mm of rain across 8.4 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 38% of the time in April, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 24 min by month's end. Set against the rest of the year, April is Tamarindo's 5th-clearest and 5th-windiest month. For the whole year in context, see Tamarindo's year-round climate.

Daytime high
34°
1st warmest
Overnight low
25°
12th coldest
Rainfall
40 mm
8.4 wet days
Daylight
12 h 12 min
5:37 AM – 5:50 PM
Cloud cover
53%
5th clearest
Wind
11 km/h
5th windiest
Solar energy
6.46 kWh/m²
Travel score
3.3
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical April day in Tamarindo reaches about 34°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, April runs on par with March and about 2°C warmer than May.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13425
23425
33425
43425
53425
63425
73425
83425
93425
103425
113425
123425
133425
143425
153425
163425
173425
183425
193425
203425
213425
223325
233325
243325
253325
263325
273325
283325
293325
303325

How April really feels in Tamarindo

Once humidity and wind are folded in, April averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Tamarindo weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 8th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 42%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17624
27525
37426
47228
57129
67030
76931
86832
96733
106733
116535
126436
136436
146238
156139
166040
175941
185743
195644
205446
215248
225050
234852
244555
254357
264060
273862
283664
293565
303367

Chance of precipitation in April

Any precipitation

Tamarindo gets around 40 mm of rain over 8.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
114
214
315
416
516
617
718
818
919
1019
1120
1221
1321
1422
1523
1625
1726
1828
1930
2032
2134
2236
2338
2440
2542
2644
2746
2848
2949
3050

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11257301
21157311
31155331
41153342
51152352
61052362
71051372
81051372
9950383
10950383
11851383
12850393
13751393
14750394
15650404
16649404
17549415
18548425
19547436
20445447
21444457
22442468
23340479
243384910
252365111
262345311
272325412
282315512
291295812
301275913

Wind in April

Winds average 11 km/h in April.

Across April, daily wind ranges from about 9 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
113light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612calm
712calm
812calm
912calm
1012calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over April. Sunrise moves from 5:45 AM to 5:30 AM, and sunset from 5:51 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:455:51
212.15:455:51
312.15:445:51
412.15:445:50
512.15:435:50
612.15:425:50
712.15:425:50
812.25:415:50
912.25:415:50
1012.25:405:50
1112.25:405:50
1212.25:395:50
1312.25:385:50
1412.25:385:50
1512.25:375:50
1612.25:375:50
1712.25:365:50
1812.25:365:50
1912.35:355:50
2012.35:355:51
2112.35:345:51
2212.35:345:51
2312.35:335:51
2412.35:335:51
2512.35:325:51
2612.35:325:51
2712.35:315:51
2812.35:315:51
2912.35:315:51
3012.45:305:51

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.46 kWh/m².

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 — April's 6.46 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.4Intense
206.4Intense
216.3Intense
226.3Intense
236.3Intense
246.2Intense
256.2Intense
266.1Intense
276.1Intense
286.0Intense
296.0Bright
305.9Bright
Planning a trip in April

Hazard calendar for Tamarindo

In seasonPeak

None of Tamarindo's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 April a good time to visit Tamarindo?

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

3.3
Sightseeing
6th-best month of the year
6.3
Beach & pool
5th-best month of the year

April is a weaker month for outdoor sightseeing in Tamarindo. The water and warmth also suit a beach or pool day.

What to pack for Tamarindo in April

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

In April, Tamarindo sees daytime highs around 34°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 8 days see rain.

light clothessun protectionrain gear

Sea temperature near Tamarindo in April

The nearest coast averages about 29°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (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 April

GoodModeratePoorUnhealthyVery unhealthy

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