Ilām weather in October

In October, Ilām sees average daytime highs of 23°C and overnight lows near 14°C, with 135 mm of rain across 18 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 40% of the time in October, and the air most often feels humid.

Daylight stretches from about 11 h 42 min at the start of October to 11 hours by month's end. Set against the rest of the year, October is Ilām's 4th-clearest and 7th-windiest month. For the whole year in context, see Ilām's year-round climate.

Daytime high
23°
7th warmest
Overnight low
14°
7th coldest
Rainfall
135 mm
18 wet days
Daylight
11 h 24 min
5:58 AM – 5:19 PM
Cloud cover
49%
4th clearest
Wind
3 km/h
7th windiest
Solar energy
4.26 kWh/m²
Travel score
5.8
out of 10

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 22°C by the end.

A typical October day in Ilām reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 25°C. Set against its neighbours, October runs about 1°C cooler than September and about 3°C warmer than November.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12417
22416
32416
42416
52416
62416
72416
82416
92415
102415
112415
122315
132315
142314
152314
162314
172314
182314
192314
202313
212313
222313
232213
242213
252212
262212
272212
282212
292212
302212
312211

Ilām weather by month

How October compares with the rest of the year at a glance. October is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 296.510.55.2
Feb17° / 5611.2115.4
Mar21° / 10°1001711.85.6
Apr24° / 13°16321.812.65.1
May25° / 16°28828.513.34.1
Jun25° / 19°52629.513.73.6
Jul24° / 20°82530.913.53.4
Aug25° / 19°56630.6133.5
Sep24° / 18°39628.312.23.9
Oct23° / 14°1351811.45.8
Nov20° / 10°277.110.77.0
Dec17° / 153.410.36.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 27% of October, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24357
34555
44753
55050
65347
75545
85743
95941
106139
116337
126535
136634
146832
156931
167030
177129
187228
197327
207426
217525
227525
237525
247723
257723
267723
277921
287921
298020
308119
318218

Chance of precipitation in October

Any precipitation

Ilām gets around 135 mm of rain over 18 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 59% and peaks near 84% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
184
283
381
480
578
677
775
873
972
1070
1168
1267
1365
1463
1561
1659
1757
1855
1953
2051
2149
2247
2345
2444
2542
2641
2739
2838
2936
3035
3134

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the humid band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1055639
2065935
3086032
4096328
50116425
60146422
70166519
81196317
91226314
101256212
112295811
12232579
13336538
14439516
15543475
16746434
17948394
181150363
191353322
201654282
211855252
222156221
232555191
242854171
253154141
263553120
273852100
28424980
29464770
30504460
31534250

Wind in October

Winds average 3 km/h in October.

Across October, daily wind ranges from about 3 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
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in October

DaylightNight

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

Days shrink by about 42 minutes over October. Sunrise moves from 5:50 AM to 6:07 AM, and sunset from 5:35 PM to 5:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.75:505:35
211.75:505:34
311.75:515:32
411.75:515:31
511.65:525:30
611.65:525:29
711.65:535:28
811.65:535:27
911.55:545:26
1011.55:545:25
1111.55:555:24
1211.55:565:23
1311.45:565:22
1411.45:575:21
1511.45:575:20
1611.45:585:19
1711.35:585:18
1811.35:595:17
1911.36:005:16
2011.26:005:15
2111.26:015:14
2211.26:015:13
2311.26:025:12
2411.16:035:12
2511.16:035:11
2611.16:045:10
2711.16:055:09
2811.16:055:08
2911.06:065:08
3011.06:075:07
3111.06:075:06

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.26 kWh/m².

For context, solar energy here swings from a low near 3.29 kWh/m² to a high of 5.7 kWh/m² in April across the year — October's 4.26 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.1Bright
Planning a trip in October

Hazard calendar for Ilām

In seasonPeak

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

Ilām's monsoon runs June–September, when most of the year's rain falls.

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

Is October a good time to visit Ilām?

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

5.8
Sightseeing
3rd-best month of the year
4.4
Beach & pool
1st-best month of the year

October is a reasonable time to visit Ilām for sightseeing.

What to pack for Ilām in October

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

In October, Ilām sees daytime highs around 23°C and nights near 14°C. Pack rain gear. Worth having: light clothes. About 18 days see rain.

rain gearlight clothes

UV index in Ilām in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ilām peaks around July 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeModerateJul 18UV 12Jan 1UV 4
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar9Very high
Apr8Very high
May9Very high
Jun9Very high
Jul13Extreme
Aug10Extreme
Sep11Extreme
Oct6High
Nov4Moderate
Dec4Moderate

Air quality in Ilām 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 Ilām is worst in January — around 111 µg/m³ PM2.5 (unhealthy), about 4.6× the cleanest month (July, 24 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 18111 µg/m³Jul 1925 µg/m³
PM2.5 (µg/m³)Level
Jan111Unhealthy
Feb107Unhealthy
Mar92Unhealthy
Apr74Unhealthy
May52Poor
Jun37Poor
Jul24Moderate
Aug31Moderate
Sep40Poor
Oct59Unhealthy
Nov81Unhealthy
Dec104Unhealthy
Location & terrain

Where is Ilām?

Ilām sits at 26.9°N, 87.9°E, 1,218 m above sea level, in Nepal. The nearest listed city is Darjeeling, 36 km away.

DhankutāDharānĪṭahari̇̄BiratnagarInaruwaKhā̃dbāri̇̄

Topography around Ilām

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

Within 3 km, the terrain around Ilām has large variations in elevation — a maximum elevation change of 966 m around an average of 897 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,582 m; within 80 km, extreme variations in elevation — a maximum elevation change of 7,186 m.

The land around Ilām is covered by trees (88%) within 3 km, trees (92%) within 16 km, and trees (66%) and cropland (25%) within 80 km.

3 km
966 m
16 km
2,582 m
80 km
7,186 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icewatermoss and lichen
October weather nearby: Darjeeling 36 km · Bhadrapur 44 km · Dhankutā 60 km · Dharān 65 km · Īṭahari̇̄ 70 km · Biratnagar 83 km · Inaruwa 84 km · Khā̃dbāri̇̄ 88 km

Nepal travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / D / M
230 V · 50 Hz
Prices
≈ 24% of US
price level, 2025
GDP per capita
$1,536
2025
Happiness
5.1 / 10
World Happiness, 2025
Safe drinking water
16%
of population, 2024
Homicide rate
2.1
per 100k, 2020
Road deaths
16.3
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 514
Religion
Hindu 81%Buddhist 8%Muslim 5%Kirat 3%

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 Ilām (26.9094°, 87.9282°, elevation 1,218 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).