Arāk weather in October

In October, Arāk sees average daytime highs of 21°C and overnight lows near 8°C, with 14 mm of rain across 3.8 wet days and about 11.1 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 18°C by the end. The sky is clear or mostly clear about 69% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 36 min by month's end. Set against the rest of the year, October is Arāk's 5th-clearest and 9th-windiest month. For the whole year in context, see Arāk's year-round climate.

Daytime high
21°
6th warmest
Overnight low
7th coldest
Rainfall
14 mm
3.8 wet days
Daylight
11 h 06 min
6:22 AM – 5:30 PM
Cloud cover
28%
5th clearest
Wind
8 km/h
9th windiest
Solar energy
4.83 kWh/m²
Travel score
8.0
out of 10

Arāk is city in Markazi Province, Iran.

Air quality
Elevated
PM2.5 18.4 µg/m³ · 2020
Founded
1808

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 18°C by the end.

A typical October day in Arāk reaches about 21°C in the afternoon and slips back to 8°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, October runs about 7°C cooler than September and about 8°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12510
22510
32410
42410
52410
6249
7239
8239
9239
10239
11229
12228
13228
14228
15218
16218
17218
18217
19207
20207
21207
22207
23197
24196
25196
26196
27186
28186
29185
30175
31175

How October really feels in Arāk

Once humidity and wind are folded in, October 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

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

Arāk weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°326.55.5100.1
Feb / -4°336.54.510.71.1
Mar12° / 498.22.911.73.5
Apr17° / 4490.312.85.7
May23° / 11°246.4013.77.6
Jun30° / 16°41.1014.26.6
Jul33° / 19°10.40144.4
Aug33° / 18°10.2013.35.0
Sep28° / 13°10.4012.27.9
Oct21° / 143.8011.18.0
Nov13° / 306.1110.24.0
Dec / -3°316.33.89.81.3

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 69% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1946
2946
3937
4928
5928
6919
79010
88911
98911
108812
118614
128614
138515
148416
158317
168317
178218
188119
198020
208020
217822
227723
237723
247624
257525
267426
277426
287327
297327
307129
317129

Chance of precipitation in October

Any precipitation

Arāk gets around 14 mm of rain over 3.8 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 12% and peaks near 22% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
14
24
35
45
55
66
76
86
97
107
118
128
139
149
1510
1611
1712
1813
1914
2015
2116
2217
2317
2418
2519
2620
2720
2821
2921
3021
3122

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over October. Sunrise moves from 6:10 AM to 6:36 AM, and sunset from 5:50 PM to 5:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:105:50
211.66:115:49
311.66:125:47
411.66:135:46
511.56:135:45
611.56:145:43
711.46:155:42
811.46:165:40
911.46:175:39
1011.36:175:38
1111.36:185:37
1211.36:195:35
1311.26:205:34
1411.26:215:33
1511.26:215:31
1611.16:225:30
1711.16:235:29
1811.16:245:28
1911.06:255:27
2011.06:265:25
2111.06:275:24
2210.96:275:23
2310.96:285:22
2410.96:295:21
2510.86:305:20
2610.86:315:19
2710.86:325:18
2810.76:335:17
2910.76:345:16
3010.76:355:15
3110.66:365:14

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.83 kWh/m².

For context, solar energy here swings from a low near 3.01 kWh/m² to a high of 7.91 kWh/m² in June across the year — October's 4.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.5Bright
45.5Bright
55.4Bright
65.4Bright
75.3Bright
85.3Bright
95.2Bright
105.2Bright
115.1Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.5Bright
234.5Bright
244.4Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
314.0Bright
Planning a trip in October

Is October a good time to visit Arāk?

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

8.0
Sightseeing
1st-best month of the year
5.0
Beach & pool
6th-best month of the year

October is one of the better times to visit Arāk for general sightseeing.

What to pack for Arāk in October

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

In October, Arāk sees daytime highs around 21°C and nights near 8°C. Worth packing: a warm layer and sun protection. About 4 days see rain.

a warm layersun protection

UV index in Arāk in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Arāk peaks around July 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 20UV 12Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb5High
Mar6High
Apr7Very high
May10Extreme
Jun10Extreme
Jul12Extreme
Aug11Extreme
Sep8Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Arāk 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 Arāk is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 14 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Arāk's WHO annual average of 18.4 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1826 µg/m³Dec 1314 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar22Moderate
Apr26Moderate
May24Moderate
Jun18Moderate
Jul20Moderate
Aug15Moderate
Sep17Moderate
Oct17Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Arāk?

Arāk sits at 34.1°N, 49.7°E, 1,738 m above sea level, in Iran. The nearest listed city is Karahrūd, 6.0 km away.

Topography around Arāk

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

Within 3 km, the terrain around Arāk has only modest variations in elevation — a maximum elevation change of 193 m around an average of 1,743 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 956 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,066 m.

The land around Arāk is covered by artificial surfaces (80%) within 3 km, cropland (37%), bare terrain (29%) and grassland (23%) within 16 km, and cropland (37%), bare terrain (32%) and grassland (29%) within 80 km.

3 km
193 m
16 km
956 m
80 km
2,066 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Karahrūd 6.0 km · Mahājerān 25 km · Shāzand 32 km · Khomeyn 62 km · Maḩallāt 73 km · Tafresh 73 km · Aznā 74 km · Alīgūdarz 77 km

Iran travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / F
220 V · 50 Hz
Prices
≈ 352% of US
price level, 2025
GDP per capita
$3,924
2025
Happiness
5.2 / 10
World Happiness, 2025
Safe drinking water
94%
of population, 2024
Homicide rate
2.4
per 100k, 2014
Road deaths
21.5
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 492
Religion
Muslim 99%Christian 1%Baha'i 0%agnostic 0%

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 Arāk (34.0949°, 49.6981°, elevation 1,738 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).