Irimbiliyam weather in December

In December, Irimbiliyam sees average daytime highs of 32°C and overnight lows near 24°C, with 29 mm of rain across 4.8 wet days and about 11.4 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 32°C in the first days to 33°C by the end. The sky is clear or mostly clear about 47% of the time in December, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of December to 11 h 24 min by month's end. Set against the rest of the year, December is Irimbiliyam's 4th-clearest and 8th-windiest month. For the whole year in context, see Irimbiliyam's year-round climate.

Daytime high
32°
5th warmest
Overnight low
24°
1st coldest
Rainfall
29 mm
4.8 wet days
Daylight
11 h 24 min
6:41 AM – 6:03 PM
Cloud cover
46%
4th clearest
Wind
8 km/h
8th windiest
Solar energy
5.19 kWh/m²
Travel score
4.4
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 32°C in the first days to 33°C by the end.

A typical December day in Irimbiliyam reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, December runs about 2°C warmer than November and about 1°C cooler than January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173324
183324
193324
203324
213324
223324
233324
243324
253324
263324
273324
283324
293324
303324
313324

How December really feels in Irimbiliyam

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Irimbiliyam weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan34° / 25°61.411.44.0
Feb34° / 25°11311.63.4
Mar34° / 26°4811.211.92.9
Apr33° / 26°15423.812.22.5
May31° / 26°28526.212.52.7
Jun29° / 25°53129.612.62.7
Jul29° / 24°52330.312.62.9
Aug29° / 24°38528.812.43.1
Sep29° / 24°25323.812.13.3
Oct30° / 24°27126.211.83.1
Nov31° / 24°13316.211.53.8
Dec32° / 24°294.811.44.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35347
45446
55545
65644
75644
85743
95743
105842
115941
126040
136040
146139
156139
166238
176337
186436
196535
206535
216634
226733
236931
247030
257129
267129
277228
287327
297426
307525
317624

Chance of precipitation in December

Any precipitation

Irimbiliyam gets around 29 mm of rain over 4.8 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 15% and peaks near 30% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
130
229
327
426
525
624
723
822
921
1020
1118
1217
1316
1415
1515
1614
1713
1812
1911
2011
2110
229
239
249
258
268
278
287
297
306
316

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the oppressive band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 77% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1014196313
2025206112
3026216011
4036225910
503722599
604823578
704924567
8051024547
9061125517
10061226506
11071327486
12071427466
13071429455
14081529435
15081630415
16081731394
17081832384
18081933364
19082034353
20082135333
21072236322
22072337312
23072338292
24172439281
25172440281
26162541271
27162541260
28162542250
29262543250
30262544240
31262444230

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 24 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 grow by about 0 minutes over December. Sunrise moves from 6:33 AM to 6:48 AM, and sunset from 5:58 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:335:58
211.46:345:58
311.46:345:58
411.46:355:58
511.46:355:59
611.46:365:59
711.46:365:59
811.46:376:00
911.46:376:00
1011.46:386:00
1111.46:386:01
1211.46:396:01
1311.46:396:02
1411.46:406:02
1511.46:406:02
1611.46:416:03
1711.46:416:03
1811.46:426:04
1911.46:426:04
2011.46:436:05
2111.46:436:05
2211.46:446:06
2311.46:446:06
2411.46:456:06
2511.46:456:07
2611.46:466:07
2711.46:466:08
2811.46:466:08
2911.46:476:09
3011.46:476:09
3111.46:486:10

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.19 kWh/m².

For context, solar energy here swings from a low near 3.67 kWh/m² to a high of 6.27 kWh/m² in March across the year — December's 5.19 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Irimbiliyam

In seasonPeak

In December, Irimbiliyam sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Irimbiliyam sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Irimbiliyam's monsoon runs May–October, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Irimbiliyam?

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

4.4
Sightseeing
1st-best month of the year
7.2
Beach & pool
2nd-best month of the year

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

What to pack for Irimbiliyam in December

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

In December, Irimbiliyam sees daytime highs around 32°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Irimbiliyam in December

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

The sea at the nearest coast (about 24 km away) is warmest in April at about 30°C and coldest in August near 27°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
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul27Warm
Aug27Warm
Sep27Warm
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Irimbiliyam in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Irimbiliyam peaks around August 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 19UV 13Dec 22UV 8
UV index (midday)Level
Jan8Very high
Feb12Extreme
Mar11Extreme
Apr12Extreme
May10Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec8Very high

Air quality in Irimbiliyam 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 Irimbiliyam is worst in December — around 63 µg/m³ PM2.5 (unhealthy), about 2.5× the cleanest month (August, 25 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyDec 1762 µg/m³Aug 1225 µg/m³
PM2.5 (µg/m³)Level
Jan58Unhealthy
Feb52Poor
Mar45Poor
Apr45Poor
May43Poor
Jun28Moderate
Jul25Moderate
Aug25Moderate
Sep26Moderate
Oct39Poor
Nov58Unhealthy
Dec63Unhealthy
Location & terrain

Where is Irimbiliyam?

Irimbiliyam sits at 10.9°N, 76.1°E, 20 m above sea level, in India. The nearest listed city is Thaikattussery, 48 km away.

MaduraiBengaluruJaffna

Topography around Irimbiliyam

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

Within 3 km, the terrain around Irimbiliyam has only modest variations in elevation — a maximum elevation change of 104 m around an average of 28 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 208 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,603 m.

The land around Irimbiliyam is covered by trees (71%) and cropland (20%) within 3 km, trees (83%) within 16 km, and trees (66%) and water (27%) within 80 km.

3 km
104 m
16 km
208 m
80 km
2,603 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Thaikattussery 48 km · Kochi 104 km · Munnar 137 km · Alappuzha 155 km · Mysore 170 km · Madurai 245 km · Bengaluru 286 km · Jaffna 448 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 Irimbiliyam (10.8624°, 76.0922°, elevation 20 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).