Karachi weather in December

In December, Karachi sees average daytime highs of 25°C and overnight lows near 18°C, with 3 mm of rain across 0.4 wet days and about 10.5 hours of daylight. It is the 10th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 27°C in the first days to 24°C by the end. The sky is clear or mostly clear about 86% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 36 min at the start of December to 10 h 30 min by month's end. Set against the rest of the year, December is Karachi's 4th-clearest and 11th-windiest month. For the whole year in context, see Karachi's year-round climate.

Daytime high
25°
10th warmest
Overnight low
18°
2nd coldest
Rainfall
3 mm
0.4 wet days
Daylight
10 h 30 min
7:14 AM – 5:42 PM
Cloud cover
15%
4th clearest
Wind
14 km/h
11th windiest
Solar energy
4.35 kWh/m²
Travel score
9.2
out of 10

Karachi is provincial capital of Sindh, Pakistan.

Air quality
Very high
PM2.5 44.3 µg/m³ · 2019
Density
3,296/km²
people per km²
Founded
1729

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 24°C by the end.

A typical December day in Karachi reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42719
52719
62719
72619
82619
92619
102619
112619
122618
132618
142618
152518
162518
172518
182518
192518
202518
212518
222517
232517
242517
252417
262417
272417
282417
292417
302417
312417

How December really feels in Karachi

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Karachi weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 17°4110.69.3
Feb25° / 18°40.711.19.2
Mar28° / 22°20.511.88.0
Apr31° / 25°10.112.66.3
May32° / 27°00.113.25.5
Jun32° / 29°60.813.55.1
Jul31° / 28°423.613.45.1
Aug30° / 27°423.112.95.8
Sep30° / 27°111.512.26.2
Oct31° / 25°20.511.46.1
Nov29° / 22°30.210.87.6
Dec25° / 18°30.410.59.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 86% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 6% of December, with mostly cloudy or overcast conditions the remaining 9%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1919
2928
3928
4928
5928
6928
7928
8928
9928
10928
11919
12919
13919
14919
15919
16919
17919
189010
199010
209010
219010
22919
23919
24919
25919
26919
27928
28928
29928
30928
31928

Chance of precipitation in December

Any precipitation

Karachi gets around 3 mm of rain over 0.4 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 1% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
231
241
251
261
271
281
291
301
311

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 62% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1422518141
2442517131
3452417121
4472416121
5492316111
6502315111
7522215101
853221591
955211491
1056211481
1157201481
1259201371
1361191370
1462191360
1564181260
1665181250
1766171250
1867171150
1969161140
2069161140
2170151140
2270151140
2370151140
2471141140
2571141140
2671141140
2771141140
2871141140
2972141130
3072141130
3171141230

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 36 min at the start of December to 10 h 30 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 7:05 AM to 7:21 AM, and sunset from 5:39 PM to 5:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.67:055:39
210.67:055:39
310.57:065:39
410.57:075:39
510.57:075:39
610.57:085:39
710.57:095:39
810.57:095:40
910.57:105:40
1010.57:115:40
1110.57:115:40
1210.57:125:41
1310.57:125:41
1410.57:135:41
1510.57:145:42
1610.57:145:42
1710.57:155:42
1810.57:155:43
1910.57:165:43
2010.57:165:44
2110.57:175:44
2210.57:175:45
2310.57:185:45
2410.57:185:46
2510.57:195:46
2610.57:195:47
2710.57:195:47
2810.57:205:48
2910.57:205:48
3010.57:215:49
3110.57:215:49

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.35 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.35 kWh/m² to a high of 7.36 kWh/m² in May across the year — December's 4.35 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.4Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.4Bright
314.4Bright
Planning a trip in December

Hazard calendar for Karachi

In seasonPeak

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

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

Karachi sees seasonal dust haze (April–September), heaviest in July.

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

Is December a good time to visit Karachi?

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

9.2
Sightseeing
2nd-best month of the year
8.4
Beach & pool
7th-best month of the year

December is one of the better times to visit Karachi for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Karachi in December

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

In December, Karachi sees daytime highs around 25°C and nights near 18°C. Worth packing: light clothes.

light clothes

Sea temperature near Karachi in December

The nearest coast averages about 25°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 14 km away) is warmest in June at about 30°C and coldest in February near 23°C.

The water stays above 20°C all year — warm enough for a swim any month.

25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb23Refreshing
Mar24Warm
Apr27Warm
May29Tropical
Jun30Tropical
Jul29Tropical
Aug28Tropical
Sep28Warm
Oct28Warm
Nov27Warm
Dec25Warm

UV index in Karachi in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Karachi peaks around May 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateMay 18UV 11Dec 19UV 5
UV index (midday)Level
Jan5Moderate
Feb7High
Mar9Very high
Apr9Very high
May11Extreme
Jun10Very high
Jul8Very high
Aug10Very high
Sep9Very high
Oct7Very high
Nov5Moderate
Dec5Moderate

Air quality in Karachi 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 Karachi is worst in January — around 63 µg/m³ PM2.5 (unhealthy), about 2.1× the cleanest month (September, 30 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Karachi's WHO annual average of 44.3 µg/m³.

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorModeratePoorUnhealthyJan 1063 µg/m³Sep 1531 µg/m³
PM2.5 (µg/m³)Level
Jan63Unhealthy
Feb54Poor
Mar40Poor
Apr32Moderate
May34Moderate
Jun45Poor
Jul42Poor
Aug35Moderate
Sep30Moderate
Oct37Poor
Nov57Unhealthy
Dec62Unhealthy
Location & terrain

Where is Karachi?

Karachi sits at 24.9°N, 67.0°E, 8 m above sea level, in Pakistan. The nearest listed city is Jaisalmer, 452 km away.

JaisalmerJālqSarāvānPīshīnQuettaJodhpurChabaharQaşr-e Qand

Topography around Karachi

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

Within 3 km, the terrain around Karachi has only modest variations in elevation — a maximum elevation change of 34 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 171 m; within 80 km, large variations in elevation — a maximum elevation change of 1,057 m.

The land around Karachi is covered by artificial surfaces (83%) within 3 km, artificial surfaces (43%) and water (30%) within 16 km, and water (41%) and bare terrain (29%) within 80 km.

3 km
34 m
16 km
171 m
80 km
1,057 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Jaisalmer 452 km · Jālq 526 km · Sarāvān 544 km · Pīshīn 545 km · Quetta 592 km · Jodhpur 621 km · Chabahar 643 km · Qaşr-e Qand 646 km

Pakistan travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type C / D / G / M
230 V · 50 Hz
Prices
≈ 24% of US
price level, 2025
GDP per capita
$1,596
2025
Happiness
4.9 / 10
World Happiness, 2025
Safe drinking water
45%
of population, 2024
Homicide rate
4.3
per 100k, 2023
Road deaths
13
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 493
Religion
Muslim 96%Hindu 2%Christian 1%

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 Karachi (24.8608°, 67.0104°, elevation 8 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).