La Fortuna weather in April

In April, La Fortuna sees average daytime highs of 29°C and overnight lows near 21°C, with 52 mm of rain across 10 wet days and about 12.2 hours of daylight. It is the 1st-warmest and 11th-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 29% 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 La Fortuna's 4th-clearest and 5th-windiest month. For the whole year in context, see La Fortuna's year-round climate.

Daytime high
29°
1st warmest
Overnight low
21°
6th coldest
Rainfall
52 mm
10 wet days
Daylight
12 h 12 min
5:32 AM – 5:46 PM
Cloud cover
60%
4th clearest
Wind
9 km/h
5th windiest
Solar energy
5.79 kWh/m²
Travel score
5.5
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

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

A typical April day in La Fortuna reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°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, April runs about 1°C warmer than March and on par with May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921

La Fortuna weather by month

How April compares with the rest of the year at a glance. April is the 1st-warmest and 11th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16733
26535
36436
46337
56238
66040
75941
85842
95743
105545
115446
125347
135149
145050
155050
164852
174753
184555
194456
204258
214159
223961
233862
243664
253466
263268
273169
282872
292872
302674

Chance of precipitation in April

Any precipitation

La Fortuna gets around 52 mm of rain over 10 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 33% and peaks near 52% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
121
222
322
422
523
623
723
824
925
1025
1126
1227
1328
1429
1530
1631
1732
1834
1935
2037
2139
2240
2342
2444
2545
2647
2748
2849
2951
3052

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 66% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
1137512
2127513
3127414
4127315
5127216
6127117
7127018
8127018
9126919
10126919
11117019
12116920
13107020
14106921
1597021
1696922
1786923
1886824
1976825
2076627
2166628
2256530
2356233
2446135
2535938
2635740
2725642
2825345
2915247
3015049

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm

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 5:41 AM to 5:25 AM, and sunset from 5:46 PM to 5:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:415:46
212.15:405:46
312.15:395:46
412.15:395:46
512.15:385:46
612.15:385:46
712.15:375:46
812.25:365:46
912.25:365:46
1012.25:355:46
1112.25:355:46
1212.25:345:46
1312.25:345:46
1412.25:335:46
1512.25:325:46
1612.25:325:46
1712.25:315:46
1812.35:315:46
1912.35:305:46
2012.35:305:46
2112.35:295:46
2212.35:295:46
2312.35:285:46
2412.35:285:46
2512.35:275:46
2612.35:275:46
2712.35:265:46
2812.35:265:46
2912.35:265:47
3012.45:255:47

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.79 kWh/m².

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 — April's 5.79 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Bright
76.0Bright
86.0Bright
96.0Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.7Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.6Bright
255.5Bright
265.5Bright
275.4Bright
285.4Bright
295.4Bright
305.3Bright
Planning a trip in April

Is April a good time to visit La Fortuna?

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

5.5
Sightseeing
4th-best month of the year
6.9
Beach & pool
2nd-best month of the year

April is a reasonable time to visit La Fortuna for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for La Fortuna in April

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

In April, La Fortuna sees daytime highs around 29°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near La Fortuna 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 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 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 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
April 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).