Paraíso weather in August

In August, Paraíso sees average daytime highs of 21°C and overnight lows near 14°C, with 254 mm of rain across 26.8 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 0% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 12 h 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Paraíso's 9th-clearest and 8th-windiest month. For the whole year in context, see Paraíso's year-round climate.

Daytime high
21°
5th warmest
Overnight low
14°
9th coldest
Rainfall
254 mm
26.8 wet days
Daylight
12 h 18 min
5:30 AM – 5:49 PM
Cloud cover
92%
9th clearest
Wind
4 km/h
8th windiest
Solar energy
4.41 kWh/m²
Travel score
3.7
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical August day in Paraíso reaches about 21°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 22°C. Set against its neighbours, August runs on par with July and on par with September.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12114
22114
32114
42114
52114
62114
72114
82114
92114
102114
112114
122114
132114
142114
152114
162114
172114
182114
192114
202114
212114
222114
232114
242114
252114
262114
272114
282114
292114
302114
312114

Paraíso weather by month

How August compares with the rest of the year at a glance. August is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 12°628.911.56.5
Feb20° / 12°457.111.76.8
Mar21° / 12°438.911.96.7
Apr22° / 13°6711.812.26.0
May22° / 14°33124.912.44.0
Jun21° / 15°29626.812.63.7
Jul21° / 14°21526.212.53.8
Aug21° / 14°25426.812.33.7
Sep21° / 14°34327.312.13.6
Oct21° / 14°42528.611.83.5
Nov20° / 14°27422.811.54.2
Dec20° / 13°11714.111.45.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 2% of August, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10298
11298
12298
13397
14397
15397
16397
17397
18397
19298
20298
21298
22298
23298
24298
25298
26298
27298
28298
29298
30298
31298

Chance of precipitation in August

Any precipitation

Paraíso gets around 254 mm of rain over 26.8 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 87% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
183
283
384
484
584
684
785
885
986
1086
1187
1287
1387
1487
1588
1688
1788
1888
1988
2088
2188
2288
2388
2488
2588
2688
2788
2888
2988
3088
3189

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
117623
217623
317524
417524
517524
617524
707525
807525
907525
1007525
1107426
1207426
1307426
1407426
1507327
1607327
1707327
1807228
1907228
2007129
2107129
2207030
2316930
2416831
2516831
2616732
2716732
2816732
2916732
3016732
3116633

Wind in August

Winds average 4 km/h in August.

Across August, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

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

Days shrink by about 12 minutes over August. Sunrise moves from 5:28 AM to 5:30 AM, and sunset from 5:55 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:285:55
212.45:295:54
312.45:295:54
412.45:295:54
512.45:295:54
612.45:295:53
712.45:295:53
812.45:295:53
912.45:295:52
1012.45:295:52
1112.45:295:51
1212.45:305:51
1312.45:305:51
1412.35:305:50
1512.35:305:50
1612.35:305:49
1712.35:305:49
1812.35:305:48
1912.35:305:48
2012.35:305:47
2112.35:305:47
2212.35:305:46
2312.35:305:46
2412.35:305:45
2512.35:305:45
2612.25:305:44
2712.25:305:44
2812.25:305:43
2912.25:305:43
3012.25:305:42
3112.25:305:41

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.41 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 5.97 kWh/m² in March across the year — August's 4.41 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in August

Hazard calendar for Paraíso

In seasonPeak

In August, Paraíso sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Paraíso's rainy season runs May–November, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Paraíso?

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

3.7
Sightseeing
9th-best month of the year
2.4
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Paraíso.

What to pack for Paraíso in August

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

In August, Paraíso sees daytime highs around 21°C and nights near 14°C. Pack rain gear. About 27 days see rain.

rain gear

Sea temperature near Paraíso in August

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

The sea at the nearest coast (about 59 km away) is warmest in March at about 30°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°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec28Tropical

UV index in Paraíso in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Paraíso peaks around March 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 19UV 15Dec 16UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov12Extreme
Dec10Extreme

Air quality in Paraíso in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Paraíso 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 Paraíso?

Paraíso sits at 9.8°N, 83.9°W, 1,306 m above sea level, in Costa Rica. The nearest listed city is Cartago, 6.0 km away.

TurrialbaSan MiguelIpísPurral

Topography around Paraíso

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

Within 3 km, the terrain around Paraíso has large variations in elevation — a maximum elevation change of 602 m around an average of 1,311 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,753 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,764 m.

The land around Paraíso is covered by trees (49%) and grassland (35%) within 3 km, trees (70%) and grassland (21%) within 16 km, and trees (75%) within 80 km.

3 km
602 m
16 km
2,753 m
80 km
3,764 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Cartago 6.0 km · San Diego 16 km · Patarrá 19 km · Curridabat 20 km · Turrialba 21 km · San Miguel 22 km · Ipís 22 km · Purral 22 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 Paraíso (9.8385°, -83.8666°, elevation 1,306 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).