Medan weather in October

In October, Medan sees average daytime highs of 31°C and overnight lows near 23°C, with 393 mm of rain across 29.5 wet days and about 11.9 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 0% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 11 h 54 min by month's end. Set against the rest of the year, October is Medan's 11th-clearest and 10th-windiest month. For the whole year in context, see Medan's year-round climate.

Daytime high
31°
9th warmest
Overnight low
23°
7th coldest
Rainfall
393 mm
29.5 wet days
Daylight
11 h 54 min
6:13 AM – 6:08 PM
Cloud cover
91%
11th clearest
Wind
4 km/h
10th windiest
Solar energy
4.69 kWh/m²
Travel score
2.4
out of 10

Medan is city in North Sumatra Province, Indonesia.

Founded
1590

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical October day in Medan reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123
313023

How October really feels in Medan

Once humidity and wind are folded in, October 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Medan weather by month

How October compares with the rest of the year at a glance. October is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°20324.711.83.0
Feb31° / 23°14520.511.93.0
Mar32° / 23°19023.1122.7
Apr32° / 23°24326.112.12.3
May32° / 23°27927.112.22.3
Jun32° / 23°20922.912.22.7
Jul32° / 23°2172412.22.8
Aug31° / 23°24926.112.12.6
Sep31° / 23°35328.2122.4
Oct31° / 23°39329.511.92.4
Nov30° / 23°36628.711.82.5
Dec30° / 23°30227.911.82.7

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 2% of October, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1397
2397
3397
4397
5397
6397
7397
8496
9496
10496
11496
12496
13496
14496
15397
16298
17298
18298
19298
20298
21298
22298
23298
24298
25298
26298
27298
28298
29298
30298
31298

Chance of precipitation in October

Any precipitation

Medan gets around 393 mm of rain over 29.5 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 95% and peaks near 97% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
195
295
395
495
595
695
795
895
995
1094
1194
1294
1394
1494
1595
1695
1795
1895
1995
2095
2195
2295
2396
2496
2596
2696
2796
2897
2997
3097
3197

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
16238
26238
36238
46238
56238
66337
76337
86337
96337
106337
116436
126436
136535
146535
156535
166535
176535
186535
196535
206535
216634
226634
236634
246634
256733
266733
276733
286733
296733
306733
316733

Wind in October

Winds average 4 km/h in October.

Across October, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 hours at the start of October to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over October. Sunrise moves from 6:15 AM to 6:13 AM, and sunset from 6:13 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:156:13
212.06:156:13
312.06:156:13
412.06:156:12
512.06:146:12
612.06:146:11
711.96:146:11
811.96:146:11
911.96:146:10
1011.96:146:10
1111.96:136:10
1211.96:136:09
1311.96:136:09
1411.96:136:09
1511.96:136:08
1611.96:136:08
1711.96:136:08
1811.96:136:07
1911.96:136:07
2011.96:126:07
2111.96:126:07
2211.96:126:06
2311.96:126:06
2411.96:126:06
2511.96:126:06
2611.96:126:06
2711.96:126:06
2811.96:126:05
2911.96:126:05
3011.96:136:05
3111.96:136:05

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.69 kWh/m².

For context, solar energy here swings from a low near 4.1 kWh/m² to a high of 5.51 kWh/m² in March across the year — October's 4.69 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.3Bright
Planning a trip in October

Hazard calendar for Medan

In seasonPeak

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

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

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

Is October a good time to visit Medan?

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

2.4
Sightseeing
9th-best month of the year
3.5
Beach & pool
12th-best month of the year

October is a weaker month for outdoor sightseeing in Medan.

What to pack for Medan in October

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

In October, Medan sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Medan in October

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

The sea at the nearest coast (about 40 km away) is warmest in June at about 30°C and coldest in January near 29°C.

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

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Medan in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Medan peaks around February 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 19UV 14Jun 23UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar13Extreme
Apr12Extreme
May11Extreme
Jun10Extreme
Jul10Extreme
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec10Extreme

Air quality in Medan in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Medan is worst in September — around 33 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1632 µg/m³Dec 1123 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb28Moderate
Mar32Moderate
Apr31Moderate
May30Moderate
Jun29Moderate
Jul30Moderate
Aug30Moderate
Sep33Moderate
Oct30Moderate
Nov23Moderate
Dec23Moderate
Location & terrain

Where is Medan?

Medan sits at 3.6°N, 98.7°E, 26 m above sea level, in Indonesia. The nearest listed city is Sunggal, 6.0 km away.

Topography around Medan

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

Within 3 km, the terrain around Medan has only modest variations in elevation — a maximum elevation change of 25 m around an average of 27 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 127 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,429 m.

The land around Medan is covered by artificial surfaces (85%) within 3 km, trees (42%) and artificial surfaces (37%) within 16 km, and trees (61%) and water (26%) within 80 km.

3 km
25 m
16 km
127 m
80 km
2,429 m
treesgrasslandcroplandartificial surfaceswatermangroves
October weather nearby: Sunggal 6.0 km · Deli Tua 9.0 km · Binjai 20 km · Belawan 21 km · Percut 22 km · Stabat 29 km · Perbaungan 32 km · Labuhan Deli 33 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 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 Medan (3.5833°, 98.6667°, elevation 26 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).