Chitwan weather in May

In May, Chitwan sees average daytime highs of 32°C and overnight lows near 21°C, with 167 mm of rain across 19.5 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 49% 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 36 min by month's end. Set against the rest of the year, May is Chitwan's 8th-clearest and 3rd-windiest month. For the whole year in context, see Chitwan's year-round climate.

Daytime high
32°
1st warmest
Overnight low
21°
8th coldest
Rainfall
167 mm
19.5 wet days
Daylight
13 h 24 min
5:23 AM – 6:44 PM
Cloud cover
43%
8th clearest
Wind
4 km/h
3rd windiest
Solar energy
5.97 kWh/m²
Travel score
3.5
out of 10

Chitwan is metropolitan city in Chitwan District, Nepal.

Density
853/km²
people per km²

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 32°C through the month.

A typical May day in Chitwan reaches about 32°C in the afternoon and slips back to 21°C overnight — a 11°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 on par with June.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13220
23220
33220
43220
53220
63220
73220
83220
93220
103220
113221
123221
133221
143221
153221
163221
173221
183221
193221
203222
213122
223122
233122
243122
253122
263122
273122
283122
293122
303122
313123

How May really feels in Chitwan

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.

Chitwan weather by month

How May compares with the rest of the year at a glance. May is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 274.210.47.6
Feb23° / 10°324.6118.0
Mar28° / 14°265.511.87.1
Apr31° / 17°53912.64.7
May32° / 21°16719.513.43.5
Jun31° / 24°43926.113.72.8
Jul30° / 24°68330.513.62.6
Aug30° / 24°55530.2132.6
Sep30° / 23°30625.512.23.3
Oct28° / 19°569.611.36.4
Nov25° / 13°121.410.68.8
Dec22° / 10°121.210.38.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 28% of May, with mostly cloudy or overcast conditions the remaining 23%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47822
57921
67921
77921
87921
97921
107921
117921
127921
137921
147921
157822
167822
177822
187723
197723
207624
217525
227426
237525
247426
257426
267426
277327
287327
297327
307228
317129

Chance of precipitation in May

Any precipitation

Chitwan gets around 167 mm of rain over 19.5 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 62% and peaks near 74% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
148
249
350
451
552
653
753
854
955
1056
1157
1258
1359
1460
1561
1662
1763
1864
1965
2066
2167
2268
2369
2470
2570
2671
2772
2872
2973
3074
3174

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 74% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1913334140
2812334340
3711324550
4610314660
5610314770
659304880
759294890
8482849110
9482749120
10382649140
11382449160
12372348180
13272248200
14272048230
15261947250
16161847280
17161646300
18151546321
19151445341
20141245371
21131145391
22131045411
2312944431
2402844451
2502843461
2601742481
2701741501
2801639531
2901638532
3001636552
3100534583

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 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
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 May

DaylightNight

Daylight runs from about 13 hours at the start of May to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over May. Sunrise moves from 5:33 AM to 5:16 AM, and sunset from 6:36 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:336:36
213.15:326:36
313.15:326:37
413.15:316:37
513.15:306:38
613.25:296:39
713.25:286:39
813.25:286:40
913.25:276:40
1013.25:266:41
1113.35:266:42
1213.35:256:42
1313.35:246:43
1413.35:246:43
1513.35:236:44
1613.45:236:44
1713.45:226:45
1813.45:216:46
1913.45:216:46
2013.45:206:47
2113.55:206:47
2213.55:206:48
2313.55:196:49
2413.55:196:49
2513.55:186:50
2613.55:186:50
2713.65:186:51
2813.65:176:51
2913.65:176:52
3013.65:176:52
3113.65:166:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.97 kWh/m².

For context, solar energy here swings from a low near 3.48 kWh/m² to a high of 6.31 kWh/m² in April across the year — May's 5.97 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.1Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Bright
176.0Bright
185.9Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in May

Hazard calendar for Chitwan

In seasonPeak

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

Chitwan's monsoon runs June–August, 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 Chitwan?

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

3.5
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 Chitwan.

What to pack for Chitwan in May

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

In May, Chitwan sees daytime highs around 32°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

UV index in Chitwan 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 Chitwan peaks around July 21 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 highExtremeVery highModerateJul 21UV 11Nov 22UV 4
UV index (midday)Level
Jan4Moderate
Feb4Moderate
Mar8Very high
Apr8Very high
May8Very high
Jun8Very high
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec4Moderate

Air quality in Chitwan 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 Chitwan is worst in January — around 141 µg/m³ PM2.5 (unhealthy), about 4.8× the cleanest month (July, 30 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 14139 µg/m³Jul 2131 µg/m³
PM2.5 (µg/m³)Level
Jan141Unhealthy
Feb123Unhealthy
Mar106Unhealthy
Apr88Unhealthy
May61Unhealthy
Jun53Poor
Jul30Moderate
Aug36Poor
Sep44Poor
Oct73Unhealthy
Nov104Unhealthy
Dec132Unhealthy
Location & terrain

Where is Chitwan?

Chitwan sits at 27.7°N, 84.4°E, 206 m above sea level, in Nepal. The nearest listed city is Hetauda, 65 km away.

HetaudaWāliṅPokharaKi̇̄rtipurBirgañjPatanKathmanduTānsen

Topography around Chitwan

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

Within 3 km, the terrain around Chitwan has only modest variations in elevation — a maximum elevation change of 58 m around an average of 205 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,438 m; within 80 km, extreme variations in elevation — a maximum elevation change of 6,539 m.

The land around Chitwan is covered by artificial surfaces (43%), trees (30%) and cropland (22%) within 3 km, trees (63%) and cropland (28%) within 16 km, and trees (71%) and cropland (23%) within 80 km.

3 km
58 m
16 km
1,438 m
80 km
6,539 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Hetauda 65 km · Wāliṅ 75 km · Pokhara 80 km · Ki̇̄rtipur 83 km · Birgañj 86 km · Patan 86 km · Kathmandu 87 km · Tānsen 90 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 Chitwan (27.6803°, 84.4365°, elevation 206 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).