Tamarindo weather in March

In March, Tamarindo sees average daytime highs of 33°C and overnight lows near 24°C, with 5 mm of rain across 1.4 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 68% of the time in March, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Tamarindo's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Tamarindo's year-round climate.

Daytime high
33°
2nd warmest
Overnight low
24°
7th coldest
Rainfall
5 mm
1.4 wet days
Daylight
11 h 54 min
5:55 AM – 5:51 PM
Cloud cover
30%
3rd clearest
Wind
15 km/h
3rd windiest
Solar energy
6.77 kWh/m²
Travel score
4.2
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical March day in Tamarindo reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 35°C. Set against its neighbours, March runs on par with February and on par with April.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43324
53324
63324
73324
83324
93324
103324
113324
123324
133324
143324
153324
163324
173324
183324
193324
203324
213324
223424
233424
243424
253424
263424
273424
283425
293425
303425
313425

How March really feels in Tamarindo

Once humidity and wind are folded in, March 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 March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Tamarindo weather by month

How March compares with the rest of the year at a glance. March is the 2nd-warmest and 10th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 16% of March, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38911
48911
58812
68812
78911
88911
98911
108812
118812
128812
138812
148614
158614
168614
178515
188515
198416
208416
218317
228317
238119
248119
258119
268020
278020
287921
297921
307723
317624

Chance of precipitation in March

Any precipitation

Tamarindo gets around 5 mm of rain over 1.4 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 5% and peaks near 13% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
12
22
32
42
52
62
72
82
92
103
113
123
134
144
154
165
175
185
196
206
217
227
237
248
258
269
2710
2810
2911
3012
3113

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101870120
201870120
301870110
401871110
511870110
611871100
711871100
811871100
911772100
1011771110
1111771110
1211672110
1311671120
1411572120
1511571130
1611471140
1711471140
1811470150
1911371150
2011370160
2111270170
2211270170
2311269180
2411267200
2511266210
2611265220
2701265230
2801263241
2901261261
3001260271
3101259281

Wind in March

Winds average 15 km/h in March.

Across March, daily wind ranges from about 13 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over March. Sunrise moves from 6:03 AM to 5:46 AM, and sunset from 5:50 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:035:50
211.86:035:50
311.86:025:50
411.86:025:50
511.86:015:51
611.86:015:51
711.86:005:51
811.96:005:51
911.95:595:51
1011.95:595:51
1111.95:585:51
1211.95:575:51
1311.95:575:51
1411.95:565:51
1511.95:565:51
1611.95:555:51
1711.95:555:51
1811.95:545:51
1912.05:535:51
2012.05:535:51
2112.05:525:51
2212.05:525:51
2312.05:515:51
2412.05:505:51
2512.05:505:51
2612.05:495:51
2712.05:495:51
2812.05:485:51
2912.15:475:51
3012.15:475:51
3112.15:465:51

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.77 kWh/m² — the sunniest month for solar.

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 — March's 6.77 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.6Intense
46.6Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.7Intense
136.8Intense
146.8Intense
156.8Intense
166.8Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.8Intense
226.8Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.8Intense
306.8Intense
316.8Intense
Planning a trip in March

Hazard calendar for Tamarindo

In seasonPeak

None of Tamarindo's seasonal hazards are active in March. 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 March a good time to visit Tamarindo?

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

4.2
Sightseeing
5th-best month of the year
7.7
Beach & pool
4th-best month of the year

March is a reasonable time to visit Tamarindo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tamarindo in March

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

In March, Tamarindo sees daytime highs around 33°C and nights near 24°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Tamarindo in March

The nearest coast averages about 28°C in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 March

GoodModeratePoorUnhealthyVery unhealthy

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