Siddharthanagar weather in January

In January, Siddharthanagar sees average daytime highs of 21°C and overnight lows near 9°C, with 19 mm of rain across 2.4 wet days and about 10.5 hours of daylight. It is the 12th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 21°C through the month. The sky is clear or mostly clear about 64% of the time in January, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of January to 10 h 42 min by month's end. Set against the rest of the year, January is Siddharthanagar's 8th-clearest and 9th-windiest month. For the whole year in context, see Siddharthanagar's year-round climate.

Daytime high
21°
12th warmest
Overnight low
1st coldest
Rainfall
19 mm
2.4 wet days
Daylight
10 h 24 min
7:07 AM – 5:34 PM
Cloud cover
33%
8th clearest
Wind
5 km/h
9th windiest
Solar energy
3.87 kWh/m²
Travel score
8.1
out of 10

Siddharthanagar is city in western Nepal.

Density
1,759/km²
people per km²
Founded
1967

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 21°C through the month.

A typical January day in Siddharthanagar reaches about 21°C in the afternoon and slips back to 9°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°C. Set against its neighbours, January runs about 2°C cooler than December and about 4°C cooler than February.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
1219
2219
3219
4219
5219
6209
7209
8209
9209
10209
11209
12209
13209
14209
15219
16219
17219
18219
19219
20219
21219
22219
23219
242110
252110
262210
272210
282210
292210
302210
312210

How January really feels in Siddharthanagar

Once humidity and wind are folded in, January 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

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

Siddharthanagar weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 192.410.58.1
Feb25° / 12°192.5118.5
Mar31° / 16°122.211.86.1
Apr35° / 21°153.612.62.9
May36° / 24°499.413.32.3
Jun34° / 26°25019.613.72.3
Jul32° / 26°3952813.62.3
Aug32° / 26°34627.3132.4
Sep31° / 25°18822.112.23.2
Oct30° / 21°375.411.35.8
Nov27° / 15°40.610.68.4
Dec23° / 11°90.910.38.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 64% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 21%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28119
38119
48020
58020
68020
77921
87921
97921
107921
117921
127921
137921
147921
157921
167921
177921
187921
197921
207921
217921
227822
237822
247921
257921
267921
277921
287921
297921
307921
317921

Chance of precipitation in January

Any precipitation

Siddharthanagar gets around 19 mm of rain over 2.4 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 8% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
46
57
67
77
87
97
108
118
128
138
148
158
168
178
188
198
208
218
228
238
248
258
268
277
287
297
307
317

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the dry band about 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1946
2946
3955
4955
5964
6964
7964
8964
9964
10964
11964
12955
13955
14955
15946
16946
17937
18937
19928
20919
219010
228911
238812
248812
258713
268614
278515
288416
298218
308119
318020

Wind in January

Winds average 5 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 10 h 18 min at the start of January to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over January. Sunrise moves from 7:06 AM to 7:04 AM, and sunset from 5:23 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.37:065:23
210.37:065:24
310.37:065:24
410.37:065:25
510.37:075:26
610.37:075:26
710.37:075:27
810.37:075:28
910.47:075:28
1010.47:075:29
1110.47:075:30
1210.47:075:31
1310.47:075:31
1410.47:075:32
1510.47:075:33
1610.47:075:34
1710.57:075:34
1810.57:075:35
1910.57:075:36
2010.57:075:37
2110.57:075:38
2210.57:075:38
2310.57:065:39
2410.67:065:40
2510.67:065:41
2610.67:065:41
2710.67:055:42
2810.67:055:43
2910.77:055:44
3010.77:045:45
3110.77:045:45

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.87 kWh/m².

For context, solar energy here swings from a low near 3.66 kWh/m² to a high of 6.65 kWh/m² in April across the year — January's 3.87 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.8Moderate
143.8Moderate
153.9Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
214.0Moderate
224.0Moderate
234.0Bright
244.0Bright
254.0Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.2Bright
314.2Bright
Planning a trip in January

Hazard calendar for Siddharthanagar

In seasonPeak

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

Siddharthanagar'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 January a good time to visit Siddharthanagar?

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

8.1
Sightseeing
4th-best month of the year
4.9
Beach & pool
8th-best month of the year

January is one of the better times to visit Siddharthanagar for general sightseeing.

What to pack for Siddharthanagar in January

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

In January, Siddharthanagar sees daytime highs around 21°C and nights near 9°C. Little to plan around — just the basics.

UV index in Siddharthanagar in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Siddharthanagar peaks around July 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 22 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 22UV 10Nov 22UV 4
UV index (midday)Level
Jan4Moderate
Feb4Moderate
Mar8Very high
Apr8Very high
May9Very high
Jun8Very high
Jul11Extreme
Aug10Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec4Moderate

Air quality in Siddharthanagar in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Siddharthanagar is worst in January — around 166 µg/m³ PM2.5 (very unhealthy), about 4.5× the cleanest month (July, 37 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecVery unhealthyUnhealthyPoorUnhealthyVery unhealthyJan 12164 µg/m³Jul 2139 µg/m³
PM2.5 (µg/m³)Level
Jan166Very unhealthy
Feb138Unhealthy
Mar104Unhealthy
Apr90Unhealthy
May69Unhealthy
Jun63Unhealthy
Jul37Poor
Aug44Poor
Sep54Poor
Oct95Unhealthy
Nov140Unhealthy
Dec158Very unhealthy
Location & terrain

Where is Siddharthanagar?

Siddharthanagar sits at 27.5°N, 83.5°E, 107 m above sea level, in Nepal. The nearest listed city is Lumbini, 20 km away.

WāliṅBāgluṅChitwanPokharaTulsi̇̄pur

Topography around Siddharthanagar

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

Within 3 km, the terrain around Siddharthanagar has only modest variations in elevation — a maximum elevation change of 20 m around an average of 105 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,677 m.

The land around Siddharthanagar is covered by cropland (58%) and artificial surfaces (25%) within 3 km, cropland (80%) within 16 km, and cropland (49%) and trees (46%) within 80 km.

3 km
20 m
16 km
62 m
80 km
2,677 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Lumbini 20 km · Butwāl 21 km · Tānsen 42 km · Wāliṅ 62 km · Bāgluṅ 87 km · Chitwan 99 km · Pokhara 99 km · Tulsi̇̄pur 133 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 Siddharthanagar (27.5°, 83.45°, elevation 107 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).