Butwāl weather in December

In December, Butwāl sees average daytime highs of 20°C and overnight lows near 9°C, with 10 mm of rain across 1.1 wet days and about 10.3 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 65% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 24 min at the start of December to 10 h 18 min by month's end. Set against the rest of the year, December is Butwāl's 2nd-clearest and 8th-windiest month. For the whole year in context, see Butwāl's year-round climate.

Daytime high
20°
11th warmest
Overnight low
2nd coldest
Rainfall
10 mm
1.1 wet days
Daylight
10 h 18 min
7:00 AM – 5:15 PM
Cloud cover
32%
2nd clearest
Wind
4 km/h
8th windiest
Solar energy
3.56 kWh/m²
Travel score
8.2
out of 10

Butwāl is city in Rupandehi District, Nepal.

Density
1,920/km²
people per km²

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 19°C by the end.

A typical December day in Butwāl reaches about 20°C in the afternoon and slips back to 9°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12211
22211
32211
42211
52211
62210
72110
82110
92110
102110
112110
122110
132110
14209
15209
16209
17209
18209
19209
20209
21209
22199
23198
24198
25198
26198
27198
28198
29198
30198
31198

How December really feels in Butwāl

Once humidity and wind are folded in, December 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

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

Butwāl weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 213.110.47.4
Feb22° / 10°234.2117.9
Mar27° / 14°204.611.87.4
Apr32° / 18°418.512.64.6
May32° / 21°12718.313.43.5
Jun31° / 23°37525.313.73.0
Jul29° / 24°57430.713.62.7
Aug29° / 24°51629.9132.8
Sep29° / 23°28026.412.23.5
Oct27° / 18°5811.411.36.6
Nov24° / 13°91.410.68.8
Dec20° / 101.110.38.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 19%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18119
28020
38020
48020
58020
68020
78020
88020
98020
108020
118020
128119
138218
148119
158119
168119
178119
188218
198218
208218
218218
228218
238119
248119
258020
268020
278020
288020
298020
308020
317921

Chance of precipitation in December

Any precipitation

Butwāl gets around 10 mm of rain over 1.1 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 4% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
54
64
74
84
94
104
114
124
134
144
154
164
174
184
194
204
213
223
234
244
254
264
275
285
295
306
316

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
16436
26634
36931
47129
57327
67426
77624
87822
98020
108119
118317
128515
138614
148812
159010
16919
17937
18946
19955
20964
21973
22973
23982
24982
25991
26991
27991
28991
29991
30991
31991

Wind in December

Winds average 4 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 10 h 24 min at the start of December to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:50 AM to 7:06 AM, and sunset from 5:12 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.46:505:12
210.46:505:12
310.46:515:12
410.36:525:12
510.36:535:12
610.36:535:13
710.36:545:13
810.36:555:13
910.36:555:13
1010.36:565:13
1110.36:575:14
1210.36:575:14
1310.36:585:14
1410.36:585:14
1510.36:595:15
1610.37:005:15
1710.37:005:15
1810.37:015:16
1910.27:015:16
2010.27:025:17
2110.27:025:17
2210.27:035:18
2310.27:035:18
2410.27:045:19
2510.27:045:19
2610.37:055:20
2710.37:055:20
2810.37:055:21
2910.37:065:21
3010.37:065:22
3110.37:065:22

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.56 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 6.48 kWh/m² in April across the year — December's 3.56 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.6Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in December

Hazard calendar for Butwāl

In seasonPeak

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

Butwāl'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 December a good time to visit Butwāl?

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

8.2
Sightseeing
2nd-best month of the year
4.4
Beach & pool
7th-best month of the year

December is one of the better times to visit Butwāl for general sightseeing.

What to pack for Butwāl in December

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

In December, Butwāl sees daytime highs around 20°C and nights near 9°C. Little to plan around — just the basics.

UV index in Butwāl in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December 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 Butwāl 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 Butwāl in December

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Butwāl 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 Butwāl?

Butwāl sits at 27.7°N, 83.5°E, 141 m above sea level, in Nepal. The nearest listed city is Siddharthanagar, 21 km away.

BāgluṅPokharaChitwanTulsi̇̄pur

Topography around Butwāl

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

Within 3 km, the terrain around Butwāl has large variations in elevation — a maximum elevation change of 622 m around an average of 224 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,787 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,420 m.

The land around Butwāl is covered by trees (49%) and artificial surfaces (37%) within 3 km, trees (60%) and cropland (30%) within 16 km, and trees (59%) and cropland (36%) within 80 km.

3 km
622 m
16 km
1,787 m
80 km
3,420 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Siddharthanagar 21 km · Tānsen 22 km · Lumbini 33 km · Wāliṅ 44 km · Bāgluṅ 66 km · Pokhara 82 km · Chitwan 97 km · Tulsi̇̄pur 124 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 Butwāl (27.6912°, 83.4525°, elevation 141 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).