Dharān weather in May

In May, Dharān sees average daytime highs of 31°C and overnight lows near 23°C, with 127 mm of rain across 18.4 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 31°C through the month. The sky is clear or mostly clear about 38% of the time in May, and the air most often feels muggy.

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 Dharān's 8th-clearest and 2nd-windiest month. For the whole year in context, see Dharān's year-round climate.

Daytime high
31°
2nd warmest
Overnight low
23°
8th coldest
Rainfall
127 mm
18.4 wet days
Daylight
13 h 18 min
5:13 AM – 6:32 PM
Cloud cover
49%
8th clearest
Wind
6 km/h
2nd windiest
Solar energy
5.42 kWh/m²
Travel score
3.6
out of 10

Dharān is city in Sunsari District, Nepal.

Density
14,153/km²
people per km²
Founded
1902

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 31°C through the month.

A typical May day in Dharān reaches about 31°C in the afternoon and slips back to 23°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 35°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13221
23222
33222
43222
53222
63222
73222
83222
93222
103222
113222
123222
133222
143223
153223
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293124
303124
313124

How May really feels in Dharān

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
heat index over the day's high
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.

Dharān 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
Jan21° / 10°10210.58.2
Feb24° / 12°132.411.18.5
Mar29° / 16°153.411.87.0
Apr32° / 20°448.412.64.4
May31° / 23°12718.413.33.6
Jun30° / 24°31826.513.72.9
Jul30° / 25°48029.813.52.7
Aug30° / 25°37129.812.92.7
Sep29° / 23°27724.712.23.5
Oct28° / 20°738.111.46.6
Nov26° / 15°71.110.78.9
Dec22° / 11°50.910.38.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 31% of May, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16931
26931
37030
47129
57129
67228
77228
87228
97228
107327
117327
127327
137327
147228
157228
167129
177030
186931
196733
206733
216634
226535
236436
246436
256337
266337
276238
286337
296238
306139
316139

Chance of precipitation in May

Any precipitation

Dharān gets around 127 mm of rain over 18.4 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 58% and peaks near 73% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
143
244
345
446
547
648
749
851
952
1053
1153
1254
1355
1457
1558
1659
1760
1861
1962
2063
2164
2265
2366
2467
2568
2668
2769
2870
2971
3072
3173

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
179304590
2682947100
3582849110
4472651120
5372552130
6372352150
7272154160
8262054180
9261855190
10161755210
11161654230
12151454260
13151353280
14141252310
15041151340
16031049380
17031046410
1802944441
1902842471
2002740501
2101637551
2201535581
2301533592
2401431622
2500429643
2600326683
2700324694
2800322705
2900220726
3000218737
3100217738

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
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 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 5:23 AM to 5:07 AM, and sunset from 6:23 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:236:23
213.05:226:24
313.05:216:24
413.15:216:25
513.15:206:25
613.15:196:26
713.15:186:26
813.25:186:27
913.25:176:28
1013.25:166:28
1113.25:166:29
1213.25:156:29
1313.35:146:30
1413.35:146:30
1513.35:136:31
1613.35:136:32
1713.35:126:32
1813.45:126:33
1913.45:116:33
2013.45:116:34
2113.45:106:34
2213.45:106:35
2313.45:096:35
2413.55:096:36
2513.55:096:37
2613.55:086:37
2713.55:086:38
2813.55:086:38
2913.55:076:39
3013.55:076:39
3113.55:076:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.42 kWh/m².

For context, solar energy here swings from a low near 3.5 kWh/m² to a high of 5.95 kWh/m² in April across the year — May's 5.42 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.4Bright
205.3Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Dharān

In seasonPeak

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

Dharān'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 Dharān?

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

3.6
Sightseeing
8th-best month of the year
5.5
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Dharān.

What to pack for Dharān in May

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

In May, Dharān sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

UV index in Dharān in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Dharān peaks around July 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 21 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 12Nov 21UV 4
UV index (midday)Level
Jan4Moderate
Feb4Moderate
Mar9Very high
Apr8Very high
May9Very high
Jun8Very high
Jul12Extreme
Aug10Very high
Sep10Extreme
Oct7High
Nov4Moderate
Dec4Moderate

Air quality in Dharān 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 Dharān is worst in January — around 112 µg/m³ PM2.5 (unhealthy), about 4.6× the cleanest month (July, 24 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 14112 µg/m³Jul 2025 µg/m³
PM2.5 (µg/m³)Level
Jan112Unhealthy
Feb103Unhealthy
Mar87Unhealthy
Apr70Unhealthy
May55Unhealthy
Jun42Poor
Jul24Moderate
Aug30Moderate
Sep39Poor
Oct61Unhealthy
Nov85Unhealthy
Dec107Unhealthy
Location & terrain

Where is Dharān?

Dharān sits at 26.8°N, 87.3°E, 375 m above sea level, in Nepal. The nearest listed city is Īṭahari̇̄, 17 km away.

TriyugaRājbirājKhā̃dbāri̇̄Ilām

Topography around Dharān

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

Within 3 km, the terrain around Dharān has large variations in elevation — a maximum elevation change of 612 m around an average of 402 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,958 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,606 m.

The land around Dharān is covered by trees (55%) and artificial surfaces (33%) within 3 km, trees (76%) within 16 km, and trees (58%) and cropland (35%) within 80 km.

3 km
612 m
16 km
1,958 m
80 km
4,606 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Īṭahari̇̄ 17 km · Dhankutā 20 km · Inaruwa 27 km · Biratnagar 40 km · Triyuga 58 km · Rājbirāj 61 km · Khā̃dbāri̇̄ 63 km · Ilām 65 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 Dharān (26.8144°, 87.2797°, elevation 375 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).