Turrialba weather in April

In April, Turrialba sees average daytime highs of 22°C and overnight lows near 15°C, with 160 mm of rain across 24.2 wet days and about 12.2 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 5% of the time in April, and the air most often feels humid.

Daylight stretches from about 12 h 06 min at the start of April to 12 h 18 min by month's end. Set against the rest of the year, April is Turrialba's 5th-clearest and 4th-windiest month. For the whole year in context, see Turrialba's year-round climate.

Daytime high
22°
7th warmest
Overnight low
15°
5th coldest
Rainfall
160 mm
24.2 wet days
Daylight
12 h 12 min
5:28 AM – 5:42 PM
Cloud cover
79%
5th clearest
Wind
5 km/h
4th windiest
Solar energy
5.54 kWh/m²
Travel score
4.2
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical April day in Turrialba reaches about 22°C in the afternoon and slips back to 15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, April runs about 1°C warmer than March and on par with May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12215
22215
32215
42215
52215
62215
72215
82215
92215
102215
112215
122215
132215
142215
152215
162215
172215
182215
192215
202215
212316
222316
232316
242316
252316
262316
272316
282316
292316
302316

Turrialba weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 14°22819.911.55.0
Feb21° / 14°15417.811.75.0
Mar21° / 14°15121.911.94.7
Apr22° / 15°16024.212.24.2
May23° / 17°38929.812.43.6
Jun23° / 17°34029.412.63.5
Jul23° / 17°27729.412.53.6
Aug23° / 16°28629.612.33.6
Sep23° / 16°35429.512.13.5
Oct23° / 16°46130.311.83.5
Nov22° / 16°42727.811.53.7
Dec21° / 15°30822.411.44.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 83%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12575
22575
32476
42476
52476
62377
72278
82278
92179
102179
112080
121981
131882
141882
151783
161783
171585
181585
191585
201486
211387
221387
231288
241189
251090
26991
27991
28991
29892
30793

Chance of precipitation in April

Any precipitation

Turrialba gets around 160 mm of rain over 24.2 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 82% and peaks near 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
174
274
374
474
574
675
775
876
976
1077
1178
1279
1380
1481
1582
1683
1783
1884
1985
2085
2186
2286
2387
2487
2588
2688
2789
2889
2989
3090

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the humid band about 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1442531
2440551
3439561
4438571
5437581
6437581
7436591
8435601
9334621
10333631
11333631
12332641
13231661
14230671
15230662
16229672
17128692
18127702
19125713
20124723
21123724
22121744
23120745
24119755
25018766
26016786
27015796
28014797
29013807
30012817

Wind in April

Winds average 5 km/h in April.

Across April, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 06 min at the start of April to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over April. Sunrise moves from 5:37 AM to 5:22 AM, and sunset from 5:42 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:375:42
212.15:365:42
312.15:365:42
412.15:355:42
512.15:355:42
612.15:345:42
712.15:335:42
812.15:335:42
912.25:325:42
1012.25:325:42
1112.25:315:42
1212.25:315:42
1312.25:305:42
1412.25:295:42
1512.25:295:42
1612.25:285:42
1712.25:285:42
1812.25:275:42
1912.25:275:42
2012.35:265:42
2112.35:265:42
2212.35:255:42
2312.35:255:42
2412.35:245:42
2512.35:245:42
2612.35:245:42
2712.35:235:42
2812.35:235:42
2912.35:225:42
3012.35:225:42

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.54 kWh/m².

For context, solar energy here swings from a low near 3.59 kWh/m² to a high of 5.71 kWh/m² in March across the year — April's 5.54 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.4Bright
215.4Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
Planning a trip in April

Is April a good time to visit Turrialba?

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

4.2
Sightseeing
5th-best month of the year
3.1
Beach & pool
1st-best month of the year

April is a reasonable time to visit Turrialba for sightseeing.

What to pack for Turrialba in April

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

In April, Turrialba sees daytime highs around 22°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 24 days see rain.

rain gearlight clothessun protection

Sea temperature near Turrialba in April

The nearest coast averages about 28°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 62 km away) is warmest in September at about 29°C and coldest in January near 27°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
Jan27Warm
Feb27Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Turrialba 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 Turrialba peaks around March 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 20UV 14Dec 15UV 10
UV index (midday)Level
Jan12Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Turrialba 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 Turrialba is worst in May — around 19 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1718 µg/m³Jan 149 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr17Moderate
May19Moderate
Jun17Moderate
Jul18Moderate
Aug17Moderate
Sep16Moderate
Oct14Moderate
Nov12Good
Dec10Good
Location & terrain

Where is Turrialba?

Turrialba sits at 9.9°N, 83.7°W, 674 m above sea level, in Costa Rica. The nearest listed city is Paraíso, 21 km away.

ParaísoCartagoSiquirresSan DiegoGuápilesIpísCurridabatPurral

Topography around Turrialba

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

Within 3 km, the terrain around Turrialba has large variations in elevation — a maximum elevation change of 654 m around an average of 757 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 3,066 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,765 m.

The land around Turrialba is covered by trees (67%) and grassland (21%) within 3 km, trees (76%) and grassland (22%) within 16 km, and trees (75%) within 80 km.

3 km
654 m
16 km
3,066 m
80 km
3,765 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Paraíso 21 km · Cartago 26 km · Siquirres 29 km · San Diego 35 km · Guápiles 37 km · Ipís 37 km · Curridabat 39 km · Purral 39 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 Turrialba (9.9037°, -83.6836°, elevation 674 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).