Janakpur weather in January

In January, Janakpur sees average daytime highs of 23°C and overnight lows near 10°C, with 14 mm of rain across 1.9 wet days and about 10.5 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 72% 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 Janakpur's 6th-clearest and 9th-windiest month. For the whole year in context, see Janakpur's year-round climate.

Daytime high
23°
12th warmest
Overnight low
10°
1st coldest
Rainfall
14 mm
1.9 wet days
Daylight
10 h 30 min
6:56 AM – 5:25 PM
Cloud cover
27%
6th clearest
Wind
6 km/h
9th windiest
Solar energy
3.98 kWh/m²
Travel score
8.7
out of 10

Janakpur is city in Dhanusha District, Nepal.

Density
1,950/km²
people per km²
Founded
1800

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 23°C through the month.

A typical January day in Janakpur reaches about 23°C in the afternoon and slips back to 10°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 25°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)
12310
22310
32310
42310
52210
62210
72210
82210
92210
102210
112210
122210
132210
142210
152210
162210
172210
182210
192210
202310
212310
222311
232311
242311
252311
262311
272311
282311
292411
302411
312411

How January really feels in Janakpur

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.

Janakpur weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 10°141.910.58.7
Feb27° / 13°13211.18.3
Mar32° / 18°112.111.84.9
Apr36° / 23°275.112.62.3
May36° / 26°8711.713.32.0
Jun34° / 27°22920.713.62.1
Jul32° / 26°39826.813.52.3
Aug32° / 26°27026.112.92.4
Sep32° / 25°22521.412.23.0
Oct31° / 22°535.511.45.3
Nov29° / 16°30.410.77.7
Dec25° / 12°50.710.49.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38812
48713
58614
68614
78713
88713
98713
108713
118614
128515
138515
148515
158515
168515
178515
188515
198515
208515
218515
228416
238416
248317
258317
268317
278317
288317
298416
308416
318515

Chance of precipitation in January

Any precipitation

Janakpur gets around 14 mm of rain over 1.9 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 6% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
45
55
65
75
85
95
105
115
125
136
146
156
166
176
186
196
206
216
226
236
246
256
266
276
286
296
306
316

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
190100
290100
39190
49190
59190
69280
79280
89280
99280
109280
119280
129280
139280
149190
159190
1690100
1790100
1889110
1988120
2087130
2187130
2286140
2385150
2485150
2584160
2683170
2782180
2881181
2980191
3079201
3178211

Wind in January

Winds average 6 km/h in January.

Across January, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 6:54 AM to 6:53 AM, and sunset from 5:15 PM to 5:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.36:545:15
210.46:545:15
310.46:555:16
410.46:555:17
510.46:555:17
610.46:555:18
710.46:555:19
810.46:565:19
910.46:565:20
1010.46:565:21
1110.46:565:22
1210.46:565:22
1310.56:565:23
1410.56:565:24
1510.56:565:25
1610.56:565:25
1710.56:565:26
1810.56:565:27
1910.56:565:28
2010.56:555:28
2110.66:555:29
2210.66:555:30
2310.66:555:31
2410.66:555:31
2510.66:545:32
2610.66:545:33
2710.76:545:34
2810.76:545:34
2910.76:535:35
3010.76:535:36
3110.76:535:37

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 3.98 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 6.59 kWh/m² in April across the year — January's 3.98 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.9Moderate
93.9Moderate
103.9Moderate
113.9Moderate
123.9Moderate
134.0Moderate
144.0Moderate
154.0Moderate
164.0Moderate
174.0Bright
184.0Bright
194.0Bright
204.0Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.3Bright
314.3Bright
Planning a trip in January

Hazard calendar for Janakpur

In seasonPeak

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

Janakpur'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 Janakpur?

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

8.7
Sightseeing
2nd-best month of the year
6.6
Beach & pool
6th-best month of the year

January is one of the better times to visit Janakpur for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Janakpur in January

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

In January, Janakpur sees daytime highs around 23°C and nights near 10°C. Worth packing: light clothes.

light clothes

UV index in Janakpur 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 Janakpur peaks around July 19 at about 11 (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 highVery highModerateJul 19UV 11Nov 22UV 4
UV index (midday)Level
Jan4Moderate
Feb4Moderate
Mar8Very high
Apr7Very high
May8Very high
Jun7High
Jul11Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec4Moderate

Air quality in Janakpur 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 Janakpur 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 Janakpur?

Janakpur sits at 26.7°N, 85.9°E, 83 m above sea level, in Nepal. The nearest listed city is Jaleshwar, 15 km away.

LahānGaurTriyugaRājbirājPanauti

Topography around Janakpur

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

Within 3 km, the terrain around Janakpur has only modest variations in elevation — a maximum elevation change of 17 m around an average of 75 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,457 m.

The land around Janakpur is covered by cropland (49%) and artificial surfaces (32%) within 3 km, cropland (74%) within 16 km, and cropland (55%) and trees (39%) within 80 km.

3 km
17 m
16 km
70 m
80 km
2,457 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Jaleshwar 15 km · Siraha 29 km · Malaṅgawā 39 km · Lahān 55 km · Gaur 65 km · Triyuga 77 km · Rājbirāj 84 km · Panauti 103 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 Janakpur (26.7288°, 85.9263°, elevation 83 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).