Janakpur weather in May

In May, Janakpur sees average daytime highs of 36°C and overnight lows near 26°C, with 87 mm of rain across 11.7 wet days and about 13.3 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 61% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 13 hours at the start of May to 13 h 30 min by month's end. Set against the rest of the year, May is Janakpur's 8th-clearest and 2nd-windiest month. For the whole year in context, see Janakpur's year-round climate.

Daytime high
36°
2nd warmest
Overnight low
26°
9th coldest
Rainfall
87 mm
11.7 wet days
Daylight
13 h 18 min
5:18 AM – 6:37 PM
Cloud cover
37%
8th clearest
Wind
10 km/h
2nd windiest
Solar energy
6.25 kWh/m²
Travel score
2.0
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 May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 36°C through the month.

A typical May day in Janakpur reaches about 36°C in the afternoon and slips back to 26°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 41°C. Set against its neighbours, May runs on par with April and about 2°C warmer than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
13625
23625
33725
43725
53725
63725
73725
83725
93725
103725
113725
123726
133726
143626
153626
163626
173626
183626
193626
203626
213626
223626
233626
243626
253626
263626
273626
283626
293626
303626
313626

How May really feels in Janakpur

Once humidity and wind are folded in, May averages 31 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
31
23 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Janakpur weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 5th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 17%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28416
38416
48515
58515
68515
78614
88614
98713
108713
118713
128713
138614
148614
158515
168515
178416
188317
198317
208218
218218
228218
238119
248119
258119
268020
278020
287921
297921
307822
317723

Chance of precipitation in May

Any precipitation

Janakpur gets around 87 mm of rain over 11.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 37% and peaks near 47% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
128
228
329
429
530
630
731
831
932
1032
1133
1234
1334
1435
1536
1637
1738
1839
1939
2040
2141
2242
2342
2443
2543
2644
2744
2845
2945
3046
3147

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11081648180
2981548200
3881548220
4781447240
5771347250
6671346270
7671245290
8671244310
9561143331
10561042351
11561041381
1245940402
1345938422
1444837443
1534835464
1633733485
1723732506
1823629528
1922627549
20225255610
21125235712
22114216013
23114196015
24114186016
25114166018
26014146120
27013136122
28013126024
29013115926
30013105828
3101295830

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 hours at the start of May to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 5:29 AM to 5:12 AM, and sunset from 6:28 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:296:28
213.05:286:29
313.05:276:30
413.15:266:30
513.15:256:31
613.15:256:31
713.15:246:32
813.25:236:32
913.25:236:33
1013.25:226:33
1113.25:216:34
1213.25:216:35
1313.35:206:35
1413.35:196:36
1513.35:196:36
1613.35:186:37
1713.35:186:37
1813.35:176:38
1913.45:176:39
2013.45:166:39
2113.45:166:40
2213.45:156:40
2313.45:156:41
2413.45:156:41
2513.55:146:42
2613.55:146:42
2713.55:146:43
2813.55:136:43
2913.55:136:44
3013.55:136:44
3113.55:126:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.25 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 — May's 6.25 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.3Intense
156.3Intense
166.3Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.1Intense
226.1Intense
236.1Intense
246.0Intense
256.0Intense
266.0Intense
276.0Bright
286.0Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Janakpur

In seasonPeak

None of Janakpur's seasonal hazards are active in May. 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 May a good time to visit Janakpur?

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

2.0
Sightseeing
12th-best month of the year
4.8
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Janakpur.

What to pack for Janakpur in May

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

In May, Janakpur sees daytime highs around 36°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in Janakpur in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).