Lahān weather in October

In October, Lahān sees average daytime highs of 30°C and overnight lows near 21°C, with 57 mm of rain across 6.9 wet days and about 11.4 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 72% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of October to 11 hours by month's end. Set against the rest of the year, October is Lahān's 5th-clearest and 10th-windiest month. For the whole year in context, see Lahān's year-round climate.

Daytime high
30°
8th warmest
Overnight low
21°
6th coldest
Rainfall
57 mm
6.9 wet days
Daylight
11 h 24 min
6:03 AM – 5:25 PM
Cloud cover
30%
5th clearest
Wind
5 km/h
10th windiest
Solar energy
4.44 kWh/m²
Travel score
5.8
out of 10

Lahān is municipality in Siraha District, Nepal.

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 30°C through the month.

A typical October day in Lahān reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, October runs on par with September and about 2°C warmer than November.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83022
93022
103022
113022
123022
133021
143021
153021
163021
173021
183020
193020
203020
213020
223020
233019
243019
252919
262919
272919
282918
292918
302918
312918

How October really feels in Lahān

Once humidity and wind are folded in, October averages 17 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
17
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.

Lahān weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 10°121.810.58.5
Feb26° / 13°122.111.18.5
Mar31° / 17°122.411.85.6
Apr35° / 22°315.612.63.1
May34° / 24°9713.713.32.7
Jun33° / 26°2522313.62.5
Jul31° / 26°41327.613.52.6
Aug31° / 26°2792712.92.6
Sep31° / 25°24023.112.23.2
Oct30° / 21°576.911.45.8
Nov28° / 16°40.510.78.3
Dec24° / 11°40.810.49.1

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 11% of October, with mostly cloudy or overcast conditions the remaining 16%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26634
36832
47030
57228
67426
77525
87723
97921
108020
118119
128317
138317
148515
158515
168713
178713
188812
198911
208911
219010
229010
23919
24919
25928
26928
27928
28928
29937
30937
31937

Chance of precipitation in October

Any precipitation

Lahān gets around 57 mm of rain over 6.9 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 24% and peaks near 55% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
155
252
349
447
544
642
739
837
935
1033
1131
1229
1327
1425
1523
1621
1719
1817
1915
2014
2112
2211
2310
249
258
267
276
285
295
304
314

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 40% of days. Sticky, muggy-or-worse air turns up on roughly 81% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100075934
200086131
300096328
4000116425
5000126622
6000146620
7001166617
8001196515
9001216513
10001246411
1100227629
1201230598
1301333576
1401436545
1501639504
1602841463
1702944432
18031245382
19031447351
20041648311
21051948271
22062149231
23072448200
24082748170
25093047140
260103346120
27111354490
28112384270
29113404060
30214433740
31216453530

Wind in October

Winds average 5 km/h in October.

Across October, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 48 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 48 minutes over October. Sunrise moves from 5:56 AM to 6:13 AM, and sunset from 5:41 PM to 5:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.85:565:41
211.75:565:39
311.75:575:38
411.75:575:37
511.65:585:36
611.65:585:35
711.65:595:34
811.65:595:33
911.56:005:32
1011.56:005:31
1111.56:015:30
1211.56:015:29
1311.46:025:28
1411.46:025:27
1511.46:035:26
1611.46:035:25
1711.36:045:24
1811.36:055:23
1911.36:055:22
2011.36:065:21
2111.26:065:20
2211.26:075:19
2311.26:085:18
2411.26:085:18
2511.16:095:17
2611.16:105:16
2711.16:105:15
2811.16:115:14
2911.06:125:14
3011.06:125:13
3111.06:135:12

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.44 kWh/m².

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 6.33 kWh/m² in April across the year — October's 4.44 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.4Bright
94.4Bright
104.4Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in October

Hazard calendar for Lahān

In seasonPeak

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

Lahān'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 Lahān?

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

5.8
Sightseeing
5th-best month of the year
7.8
Beach & pool
4th-best month of the year

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

What to pack for Lahān in October

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

In October, Lahān sees daytime highs around 30°C and nights near 21°C. Pack light clothes. About 7 days see rain.

light clothes

UV index in Lahān 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 Lahān peaks around July 19 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 18 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highModerateJul 19UV 11Jan 18UV 4
UV index (midday)Level
Jan4Moderate
Feb4Moderate
Mar9Very high
Apr7Very high
May8Very high
Jun7High
Jul12Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec4Moderate

Air quality in Lahān 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 Lahān is worst in January — around 169 µg/m³ PM2.5 (very unhealthy), about 4.9× the cleanest month (July, 35 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyPoorUnhealthyJan 12167 µg/m³Jul 2036 µg/m³
PM2.5 (µg/m³)Level
Jan169Very unhealthy
Feb138Unhealthy
Mar107Unhealthy
Apr87Unhealthy
May70Unhealthy
Jun57Unhealthy
Jul35Moderate
Aug43Poor
Sep55Unhealthy
Oct87Unhealthy
Nov125Unhealthy
Dec160Very unhealthy
Location & terrain

Where is Lahān?

Lahān sits at 26.7°N, 86.5°E, 123 m above sea level, in Nepal. The nearest listed city is Triyuga, 23 km away.

JanakpurInaruwaJaleshwarĪṭahari̇̄Dharān

Topography around Lahān

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

Within 3 km, the terrain around Lahān has only modest variations in elevation — a maximum elevation change of 32 m around an average of 115 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 367 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,111 m.

The land around Lahān is covered by cropland (61%) within 3 km, cropland (54%) and trees (38%) within 16 km, and cropland (47%) and trees (45%) within 80 km.

3 km
32 m
16 km
367 m
80 km
3,111 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Triyuga 23 km · Siraha 28 km · Rājbirāj 33 km · Janakpur 55 km · Inaruwa 67 km · Jaleshwar 68 km · Īṭahari̇̄ 79 km · Dharān 80 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 Lahān (26.7202°, 86.4826°, elevation 123 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).