La Fortuna weather in March

In March, La Fortuna sees average daytime highs of 28°C and overnight lows near 20°C, with 32 mm of rain across 6.6 wet days and about 11.9 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 28°C by the end. The sky is clear or mostly clear about 47% 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 La Fortuna's 2nd-clearest and 3rd-windiest month. For the whole year in context, see La Fortuna's year-round climate.

Daytime high
28°
5th warmest
Overnight low
20°
3rd coldest
Rainfall
32 mm
6.6 wet days
Daylight
11 h 54 min
5:50 AM – 5:46 PM
Cloud cover
45%
2nd clearest
Wind
12 km/h
3rd windiest
Solar energy
5.86 kWh/m²
Travel score
7.0
out of 10

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 28°C by the end.

A typical March day in La Fortuna reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, March runs about 1°C warmer than February and about 1°C cooler than April.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32719
42719
52719
62720
72720
82720
92720
102720
112720
122720
132720
142720
152720
162720
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312920

La Fortuna weather by month

How March compares with the rest of the year at a glance. March is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 19°11015.311.56.1
Feb26° / 19°548.111.77.1
Mar28° / 20°326.611.97.0
Apr29° / 21°521012.25.5
May28° / 21°25524.612.53.7
Jun28° / 21°30428.812.63.3
Jul27° / 21°26028.112.63.6
Aug28° / 21°24328.512.33.5
Sep28° / 21°2882912.13.3
Oct27° / 21°31929.711.83.4
Nov26° / 20°2912611.53.9
Dec26° / 20°19721.911.44.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 25% of March, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17426
27426
37426
47525
57525
67426
77426
87426
97426
107426
117426
127228
137228
147228
157129
167129
177129
187228
197129
207129
217129
227129
237129
247129
257030
267030
277030
287030
297030
306931
316832

Chance of precipitation in March

Any precipitation

La Fortuna gets around 32 mm of rain over 6.6 wet days in March, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
124
224
324
423
523
623
723
823
922
1022
1122
1222
1321
1421
1521
1621
1721
1820
1920
2020
2120
2220
2320
2420
2520
2621
2721
2821
2921
3021
3121

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 79% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1018784
2018784
3018784
4018784
5018784
6018784
7118774
8117784
9117784
10117784
11116794
12116794
13116794
14115804
15115804
16115804
17115804
18115795
19114805
20114805
21114805
22113815
23113815
24113815
25013816
26013816
27013807
28013798
29013789
300137710
310137611

Wind in March

Winds average 12 km/h in March.

Across March, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512calm
1612calm
1712calm
1812calm
1912calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:58 AM to 5:41 AM, and sunset from 5:45 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:585:45
211.85:585:45
311.85:575:45
411.85:575:46
511.85:565:46
611.85:565:46
711.85:555:46
811.85:555:46
911.95:545:46
1011.95:545:46
1111.95:535:46
1211.95:535:46
1311.95:525:46
1411.95:525:46
1511.95:515:46
1611.95:505:46
1711.95:505:46
1811.95:495:46
1912.05:495:46
2012.05:485:46
2112.05:475:46
2212.05:475:46
2312.05:465:46
2412.05:465:46
2512.05:455:46
2612.05:445:46
2712.05:445:46
2812.05:435:46
2912.15:425:46
3012.15:425:46
3112.15:415:46

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.86 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.65 kWh/m² to a high of 5.86 kWh/m² in March across the year — March's 5.86 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.9Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in March

Is March a good time to visit La Fortuna?

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

7.0
Sightseeing
2nd-best month of the year
7.5
Beach & pool
1st-best month of the year

March is one of the better times to visit La Fortuna for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for La Fortuna in March

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

In March, La Fortuna sees daytime highs around 28°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near La Fortuna in March

The nearest coast averages about 29°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 66 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 La Fortuna in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in La Fortuna peaks around March 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 14Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb14Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in La Fortuna 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 La Fortuna is worst in May — around 23 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1623 µg/m³Jan 1210 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar13Moderate
Apr21Moderate
May23Moderate
Jun21Moderate
Jul22Moderate
Aug20Moderate
Sep18Moderate
Oct15Moderate
Nov12Good
Dec10Good
Location & terrain

Where is La Fortuna?

La Fortuna sits at 10.5°N, 84.6°W, 0 m above sea level, in Costa Rica. The nearest listed city is Monteverde, 26 km away.

MonteverdeQuesadaSan_Ramon_CañasEsparzaChacaritaPuntarenasEl Castillo

Topography around La Fortuna

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

Within 3 km, the terrain around La Fortuna has significant variations in elevation — a maximum elevation change of 281 m around an average of 270 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,738 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,891 m.

The land around La Fortuna is covered by grassland (55%) and trees (42%) within 3 km, trees (63%) and grassland (35%) within 16 km, and trees (63%) and grassland (26%) within 80 km.

3 km
281 m
16 km
1,738 m
80 km
2,891 m
treesgrasslandcroplandartificial surfaceswatermangroves
March weather nearby: Monteverde 26 km · Quesada 28 km · San_Ramon_ 47 km · Cañas 50 km · Esparza 53 km · Chacarita 56 km · Puntarenas 59 km · El Castillo 67 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 La Fortuna (10.4709°, -84.6453°, 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).