Monteverde weather in August

In August, Monteverde sees average daytime highs of 27°C and overnight lows near 20°C, with 246 mm of rain across 24.4 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels muggy.

Daylight stretches from about 12 h 30 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Monteverde's 9th-clearest and 9th-windiest month. For the whole year in context, see Monteverde's year-round climate.

Daytime high
27°
5th warmest
Overnight low
20°
9th coldest
Rainfall
246 mm
24.4 wet days
Daylight
12 h 18 min
5:33 AM – 5:54 PM
Cloud cover
90%
9th clearest
Wind
6 km/h
9th windiest
Solar energy
4.61 kWh/m²
Travel score
4.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical August day in Monteverde reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, August runs on par with July and on par with September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72720
82720
92720
102720
112720
122720
132720
142720
152720
162720
172720
182720
192720
202720
212720
222720
232720
242720
252720
262720
272720
282720
292720
302720
312720

Monteverde weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°123.511.57.9
Feb27° / 18°9211.78.0
Mar29° / 19°82.111.97.0
Apr29° / 20°467.712.25.5
May28° / 20°26021.412.54.2
Jun27° / 20°28725.612.63.8
Jul27° / 20°20022.512.54.3
Aug27° / 20°24624.412.34.1
Sep27° / 20°34628.312.13.5
Oct26° / 20°3812811.83.7
Nov26° / 19°16519.411.55.0
Dec26° / 19°447.511.47.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 3% of August, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1496
2496
3496
4496
5496
6496
7496
8595
9595
10595
11595
12496
13496
14496
15496
16496
17496
18496
19496
20496
21496
22496
23496
24496
25496
26397
27397
28397
29397
30397
31496

Chance of precipitation in August

Any precipitation

Monteverde gets around 246 mm of rain over 24.4 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 79% and peaks near 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
170
271
371
471
572
672
772
873
973
1074
1174
1275
1376
1476
1577
1678
1779
1880
1980
2081
2182
2283
2384
2485
2586
2687
2787
2888
2989
3090
3190

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
1946
2946
3946
4937
5937
6937
7937
8946
9946
10946
11955
12955
13964
14964
15973
16973
17973
18973
19982
20982
21973
22973
23973
24973
25973
26964
27964
28964
29955
30955
31955

Wind in August

Winds average 6 km/h in August.

Across August, 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.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 30 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 18 minutes over August. Sunrise moves from 5:32 AM to 5:33 AM, and sunset from 5:59 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:325:59
212.55:325:59
312.45:325:58
412.45:325:58
512.45:325:58
612.45:325:58
712.45:325:57
812.45:325:57
912.45:335:57
1012.45:335:56
1112.45:335:56
1212.45:335:55
1312.45:335:55
1412.45:335:55
1512.45:335:54
1612.35:335:54
1712.35:335:53
1812.35:335:53
1912.35:335:52
2012.35:335:52
2112.35:335:51
2212.35:335:51
2312.35:335:50
2412.35:335:50
2512.35:335:49
2612.35:335:48
2712.25:335:48
2812.25:335:47
2912.25:335:47
3012.25:335:46
3112.25:335:46

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.61 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 6.29 kWh/m² in March across the year — August's 4.61 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in August

Hazard calendar for Monteverde

In seasonPeak

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

Monteverde's rainy season runs May–October, 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 Monteverde?

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

4.1
Sightseeing
9th-best month of the year
4.2
Beach & pool
9th-best month of the year

August is a reasonable time to visit Monteverde for sightseeing.

What to pack for Monteverde in August

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

In August, Monteverde sees daytime highs around 27°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 24 days see rain.

rain gearlight clothessun protection

Sea temperature near Monteverde 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 52 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 Monteverde 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 Monteverde 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 Monteverde 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 Monteverde 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 Monteverde?

Monteverde sits at 10.3°N, 84.8°W, 0 m above sea level, in Costa Rica. The nearest listed city is La Fortuna, 26 km away.

La FortunaCañasChacaritaPuntarenasEsparzaQuesadaSan_Ramon_Nicoya

Topography around Monteverde

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

Within 3 km, the terrain around Monteverde has large variations in elevation — a maximum elevation change of 1,048 m around an average of 1,390 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,704 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,891 m.

The land around Monteverde is covered by trees (90%) within 3 km, trees (83%) within 16 km, and trees (60%) and grassland (25%) within 80 km.

3 km
1,048 m
16 km
1,704 m
80 km
2,891 m
treesgrasslandcroplandartificial surfaceswatermangroves
August weather nearby: La Fortuna 26 km · Cañas 34 km · Chacarita 36 km · Puntarenas 37 km · Esparza 38 km · Quesada 41 km · San_Ramon_ 45 km · Nicoya 72 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 Monteverde (10.3077°, -84.8106°, 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).