Munnar weather in December

In December, Munnar sees average daytime highs of 26°C and overnight lows near 18°C, with 100 mm of rain across 12.6 wet days and about 11.4 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 29% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 30 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Munnar's 4th-clearest and 5th-windiest month. For the whole year in context, see Munnar's year-round climate.

Daytime high
26°
6th warmest
Overnight low
18°
2nd coldest
Rainfall
100 mm
12.6 wet days
Daylight
11 h 24 min
6:36 AM – 6:00 PM
Cloud cover
59%
4th clearest
Wind
5 km/h
5th windiest
Solar energy
4.75 kWh/m²
Travel score
6.3
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 December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical December day in Munnar reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°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, December runs on par with November and about 1°C cooler than January.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12619
22619
32618
42618
52618
62618
72618
82618
92618
102618
112618
122618
132618
142618
152618
162618
172618
182618
192618
202618
212618
222618
232618
242718
252718
262718
272718
282718
292718
302718
312718

Munnar weather by month

How December compares with the rest of the year at a glance. December is the 6th-warmest and 9th-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 December

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 21% of December, with mostly cloudy or overcast conditions the remaining 50%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34258
44357
54456
64456
74456
84456
94654
104654
114654
124654
134753
144753
154753
164852
174951
184951
195050
205248
215248
225347
235545
245644
255644
265842
275941
286040
296139
306238
316436

Chance of precipitation in December

Any precipitation

Munnar gets around 100 mm of rain over 12.6 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
160
258
357
455
554
652
751
849
948
1047
1145
1244
1343
1442
1541
1640
1739
1838
1937
2036
2135
2234
2332
2431
2530
2629
2728
2826
2925
3025
3124

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the muggy band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 50% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10523711
20524701
30625681
41726651
51827631
61828621
71929601
811029591
911129581
1011130571
1111230561
1211231551
1311331541
1411332531
1511433511
1611434501
1721434491
1821535480
1921536460
2021637450
2121638430
2221739420
2321740400
2421841390
2521942370
2621943350
2722044330
2832145310
2932146300
3032247280
3132248270

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 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
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 30 min at the start of December to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:28 AM to 6:42 AM, and sunset from 5:55 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:285:55
211.46:285:55
311.46:295:56
411.46:295:56
511.46:305:56
611.46:305:57
711.46:315:57
811.46:315:57
911.46:325:58
1011.46:325:58
1111.46:335:58
1211.46:335:59
1311.46:345:59
1411.46:355:59
1511.46:356:00
1611.46:366:00
1711.46:366:01
1811.46:366:01
1911.46:376:02
2011.46:376:02
2111.46:386:03
2211.46:386:03
2311.46:396:03
2411.46:396:04
2511.46:406:04
2611.46:406:05
2711.46:416:05
2811.46:416:06
2911.46:426:06
3011.46:426:07
3111.46:426:07

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.75 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 — December's 4.75 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
224.9Bright
234.9Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
315.2Bright
Planning a trip in December

Hazard calendar for Munnar

In seasonPeak

None of Munnar's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 December a good time to visit Munnar?

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

6.3
Sightseeing
2nd-best month of the year
6.1
Beach & pool
4th-best month of the year

December is a reasonable time to visit Munnar for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Munnar in December

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

In December, Munnar sees daytime highs around 26°C and nights near 18°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Munnar in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 9 (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 December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December 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
December 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).