Patan weather in May

In May, Patan sees average daytime highs of 25°C and overnight lows near 16°C, with 198 mm of rain across 22.4 wet days and about 13.4 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels humid.

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 Patan's 8th-clearest and 3rd-windiest month. For the whole year in context, see Patan's year-round climate.

Daytime high
25°
4th warmest
Overnight low
16°
8th coldest
Rainfall
198 mm
22.4 wet days
Daylight
13 h 24 min
5:19 AM – 6:41 PM
Cloud cover
56%
8th clearest
Wind
4 km/h
3rd windiest
Solar energy
5.99 kWh/m²
Travel score
5.1
out of 10

Patan is city in Kathmandu Valley, Nepal.

Density
18,705/km²
people per km²
Founded
1918

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 25°C through the month.

A typical May day in Patan reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 28°C. Set against its neighbours, May runs about 1°C warmer than April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12514
22514
32515
42515
52515
62515
72515
82515
92515
102515
112515
122515
132516
142516
152516
162516
172516
182516
192516
202516
212516
222516
232517
242517
252517
262517
272517
282517
292517
302517
312517

Patan weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan15° / 446.310.45.2
Feb17° / 507.8116.0
Mar21° / 10°549.511.86.8
Apr24° / 13°7812.912.66.6
May25° / 16°19822.413.45.1
Jun25° / 19°45727.413.73.9
Jul25° / 20°7843113.63.3
Aug25° / 20°63730.9133.4
Sep25° / 18°33428.412.23.9
Oct23° / 14°8714.511.36.3
Nov20° / 10°226.210.67.1
Dec16° / 193.310.36.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25941
35941
45941
55941
65941
75941
85842
95941
105941
115842
125941
135842
145842
155743
165743
175644
185545
195347
205347
215248
225050
235050
245050
254951
264951
274951
284852
294753
304753
314753

Chance of precipitation in May

Any precipitation

Patan gets around 198 mm of rain over 22.4 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 71% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
161
262
363
463
564
665
765
866
966
1067
1168
1268
1369
1470
1570
1671
1772
1873
1974
2075
2175
2276
2377
2477
2578
2678
2779
2879
2980
3080
3181

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 11% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14141180
23842190
33643210
43443231
53243251
63042271
72941291
82840312
92739332
102537353
112436373
122334394
132233415
142131436
151930447
161828468
171727479
1815254911
1914245012
2012235213
2111225215
2210215316
238215417
247205518
257195420
266185521
275175523
285165425
295155426
304145329
314135231

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 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 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 5:30 AM to 5:13 AM, and sunset from 6:32 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:306:32
213.15:296:33
313.15:286:33
413.15:276:34
513.15:266:34
613.25:266:35
713.25:256:36
813.25:246:36
913.25:236:37
1013.25:236:37
1113.35:226:38
1213.35:216:39
1313.35:216:39
1413.35:206:40
1513.35:206:40
1613.45:196:41
1713.45:186:42
1813.45:186:42
1913.45:176:43
2013.45:176:43
2113.55:166:44
2213.55:166:44
2313.55:166:45
2413.55:156:46
2513.55:156:46
2613.55:146:47
2713.65:146:47
2813.65:146:48
2913.65:136:48
3013.65:136:49
3113.65:136:49

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.99 kWh/m².

For context, solar energy here swings from a low near 3.53 kWh/m² to a high of 6.25 kWh/m² in April across the year — May's 5.99 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
96.2Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Intense
176.0Bright
185.9Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in May

Hazard calendar for Patan

In seasonPeak

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

Patan'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 Patan?

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

5.1
Sightseeing
8th-best month of the year
4.6
Beach & pool
3rd-best month of the year

May is a reasonable time to visit Patan for sightseeing.

What to pack for Patan in May

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

In May, Patan sees daytime highs around 25°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.

rain gearlight clothessun protection

UV index in Patan 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 Patan peaks around July 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 20UV 12Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar9Very high
Apr9Very high
May9Very high
Jun9Very high
Jul12Extreme
Aug11Extreme
Sep10Very high
Oct8Very high
Nov5Moderate
Dec4Moderate

Air quality in Patan 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 Patan is worst in January — around 144 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (July, 26 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 10144 µg/m³Jul 1927 µg/m³
PM2.5 (µg/m³)Level
Jan144Unhealthy
Feb127Unhealthy
Mar99Unhealthy
Apr84Unhealthy
May63Unhealthy
Jun46Poor
Jul26Moderate
Aug35Moderate
Sep48Poor
Oct77Unhealthy
Nov111Unhealthy
Dec142Unhealthy
Location & terrain

Where is Patan?

Patan sits at 27.7°N, 85.3°E, 1,334 m above sea level, in Nepal. The nearest listed city is Kathmandu, 3.0 km away.

Topography around Patan

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

Within 3 km, the terrain around Patan has only modest variations in elevation — a maximum elevation change of 168 m around an average of 1,305 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,914 m; within 80 km, extreme variations in elevation — a maximum elevation change of 7,101 m.

The land around Patan is covered by artificial surfaces (79%) within 3 km, trees (51%) and cropland (21%) within 16 km, and trees (70%) within 80 km.

3 km
168 m
16 km
1,914 m
80 km
7,101 m
treesgrasslandcroplandartificial surfacesbare terrainsnow and icemoss and lichen
May weather nearby: Kathmandu 3.0 km · Ki̇̄rtipur 4.0 km · Madhyapur Thimi 7.0 km · Bhaktapur 11 km · Nagarkot 21 km · Banepā 21 km · Panauti 23 km · Dhulikhel 23 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 Patan (27.6766°, 85.3142°, elevation 1,334 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).