Munnar weather in August

In August, Munnar sees average daytime highs of 24°C and overnight lows near 19°C, with 322 mm of rain across 28.3 wet days and about 12.3 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 0% of the time in August, and the air most often feels muggy.

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 Munnar's 11th-clearest and 3rd-windiest month. For the whole year in context, see Munnar's year-round climate.

Daytime high
24°
11th warmest
Overnight low
19°
7th coldest
Rainfall
322 mm
28.3 wet days
Daylight
12 h 18 min
6:16 AM – 6:36 PM
Cloud cover
92%
11th clearest
Wind
7 km/h
3rd windiest
Solar energy
4.1 kWh/m²
Travel score
3.8
out of 10

Munnar is town in Idukki district, Kerala, India.

Density
364/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical August day in Munnar reaches about 24°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°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)
12420
22420
32420
42420
52420
62420
72420
82420
92420
102420
112420
122420
132420
142420
152419
162519
172519
182519
192519
202519
212519
222519
232519
242519
252519
262519
272519
282519
292519
302519
312519

Munnar weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 17°254.911.57.2
Feb30° / 18°27511.76.0
Mar31° / 20°6410.211.94.6
Apr30° / 20°14922.812.23.6
May27° / 20°24628.212.53.7
Jun25° / 20°42428.712.63.6
Jul24° / 20°41029.512.53.6
Aug24° / 19°32228.312.33.8
Sep25° / 19°23725.512.14.1
Oct26° / 19°32626.411.84.1
Nov26° / 19°27222.911.54.5
Dec26° / 18°10012.611.46.3

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 3% of August, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2199
3199
4298
5298
6298
7298
8298
9298
10298
11298
12298
13298
14397
15397
16397
17397
18397
19397
20397
21496
22595
23595
24595
25595
26694
27694
28694
29694
30892
31892

Chance of precipitation in August

Any precipitation

Munnar gets around 322 mm of rain over 28.3 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 92% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
194
294
393
493
593
693
793
892
992
1092
1192
1292
1392
1492
1592
1692
1792
1892
1992
2091
2191
2291
2391
2490
2590
2690
2790
2889
2989
3089
3189

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
10991
20991
30991
40991
50991
60991
70991
80991
90991
100991
110991
120991
130991
140991
150991
160991
170991
180991
190991
200991
210991
220991
230982
240982
250982
260982
271972
281972
291972
301972
311963

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
316calm

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 6:14 AM to 6:16 AM, and sunset from 6:41 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:146:41
212.46:156:41
312.46:156:41
412.46:156:40
512.46:156:40
612.46:156:40
712.46:156:39
812.46:156:39
912.46:156:39
1012.46:156:38
1112.46:156:38
1212.46:166:38
1312.46:166:37
1412.46:166:37
1512.36:166:36
1612.36:166:36
1712.36:166:35
1812.36:166:35
1912.36:166:34
2012.36:166:34
2112.36:166:34
2212.36:166:33
2312.36:166:32
2412.36:166:32
2512.36:166:31
2612.26:166:31
2712.26:166:30
2812.26:166:30
2912.26:166:29
3012.26:166:29
3112.26:166:28

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.1 kWh/m².

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 6.28 kWh/m² in March across the year — August's 4.1 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Bright
64.0Bright
74.0Bright
84.0Bright
94.0Bright
104.0Bright
114.0Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.3Bright
314.3Bright
Planning a trip in August

Hazard calendar for Munnar

In seasonPeak

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

Munnar'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 Munnar?

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

3.8
Sightseeing
8th-best month of the year
3.4
Beach & pool
10th-best month of the year

August is a weaker month for outdoor sightseeing in Munnar.

What to pack for Munnar in August

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

In August, Munnar sees daytime highs around 24°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 28 days see rain.

rain gearlight clothes

UV index in Munnar in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Munnar peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 16UV 14Dec 21UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar13Extreme
Apr14Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec9Very high

Air quality in Munnar 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 Munnar is worst in January — around 68 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (July, 26 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1367 µg/m³Jul 1726 µg/m³
PM2.5 (µg/m³)Level
Jan68Unhealthy
Feb61Unhealthy
Mar58Unhealthy
Apr53Poor
May47Poor
Jun29Moderate
Jul26Moderate
Aug28Moderate
Sep33Moderate
Oct51Poor
Nov62Unhealthy
Dec65Unhealthy
Location & terrain

Where is Munnar?

Munnar sits at 10.1°N, 77.1°E, 1,470 m above sea level, in India. The nearest listed city is Kochi, 89 km away.

MysoreBengaluruJaffna

Topography around Munnar

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

Within 3 km, the terrain around Munnar has large variations in elevation — a maximum elevation change of 627 m around an average of 1,578 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,360 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,648 m.

The land around Munnar is covered by trees (71%) and grassland (25%) within 3 km, trees (82%) within 16 km, and trees (77%) within 80 km.

3 km
627 m
16 km
2,360 m
80 km
2,648 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Kochi 89 km · Thaikattussery 99 km · Alappuzha 105 km · Madurai 117 km · Irimbiliyam 137 km · Mysore 250 km · Bengaluru 326 km · Jaffna 326 km

India travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / D / M
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$2,702
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
76%
of population, 2024
Homicide rate
2.8
per 100k, 2022
Road deaths
15.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 484
Religion
Hindu 80%Muslim 14%Christian 2%other and unspecified 2%

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 Munnar (10.0882°, 77.0624°, elevation 1,470 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. 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).