Kathmandu Weather in May

🇳🇵 Nepal

26°C

High

17°C

Low

Rain Days

12h

Sunshine

70%

Humidity

Asia › 🇳🇵 Nepal › Kathmandu

Updated: March 2026

Is May a Good Time to Visit Kathmandu?

5/10

Fair

May is a fair time to visit Kathmandu (5/10). With 12 daily sunshine hours and only 22 rain days, this month delivers genuinely reliable outdoor conditions, ranking it 2nd sunniest of the year in Kathmandu. Culture-focused travellers and those who prefer lighter crowds will find May a practical choice, with prices running lower than peak April without sacrificing all the good weather. June offers a similar profile at lower hotel rates if dates are flexible. Watch out for prolonged rain stretches: with 22 wet days, a fully outdoor itinerary is risky. Build in museum days and covered market visits as contingency. Planning tips: accommodation is generally available without long lead times, and flight prices are typically lower than peak season. Flexible travellers will find the best deals by booking 2-4 weeks ahead. Mid-week arrivals consistently unlock lower hotel rates than weekend check-ins.

vs April:25°C avg high

Visiting Kathmandu in May means warm daytime temperatures peaking at 26°C. Factor in 22 potential rainy days and 70% average humidity when planning your daily activities.

26°C

Avg High

17°C

Avg Low

22 days

Rain Days

12h

Sunshine

70%

Humidity

Temperature in Kathmandu in May

The 9°C day-night temperature range is typical for continental climates: a light jacket in the morning that you shed by midday and need again after sunset. Humidity averages 70%, which is comfortable for most visitors. On warmer days, lighter fabrics help with the mild stickiness in the afternoon. UV index averages 9 this month, classed as high to very high. SPF 30+ sunscreen, a brim hat, and sunglasses are not optional between 10am and 4pm. Winds are calm at an average 8 km/h, so wind-chill is not a factor in planning your clothing. In Fahrenheit: 79°F average high, 63°F overnight low. Data sourced from Open-Meteo ERA5 climate reanalysis (1991–2020 normals).

Temperature in May

Monthly Precipitation (mm)

What to Wear in Kathmandu in May

Morning17°CBefore the day warms up

Afternoon26°CPeak daytime temperature

Evening20°CAfter sunset cools down

Packing for Kathmandu in May means dressing for 26°C days and 17°C evenings. A light cotton tee with a casual overshirt works well at 26°C, the overshirt doubles as a layer for air-conditioned venues. Evening temperatures settle at 17°C, a modest 9°C drop that a light cardigan or denim jacket covers. Comfortable walking trainers are the versatile choice for both outdoor sightseeing and indoor venues. With 22 rain days expected, a compact travel umbrella is worth the bag space. A waterproof jacket is better than an umbrella if you plan full-day outdoor routes. For temple and religious site visits, carry a lightweight scarf or sarong to cover shoulders and knees, required at most major sites across the region.

💡

Local tip: Temple and religious site visits require covered shoulders and knees in most of Kathmandu's heritage areas. A lightweight scarf or sarong weighs almost nothing and solves the problem instantly.

Events in Kathmandu in May

May has no major festivals or public holidays in Kathmandu, which is one of its practical advantages for independent travellers. Attractions run at lower capacity than during peak event periods, queues are shorter, and accommodation is easier to find without needing to book many months in advance. Local restaurants, markets, and transport operate at a relaxed pace, making this an ideal time for visitors who prefer a more authentic, unhurried experience of everyday city life rather than large crowds drawn in by a single major headline event.

What to Pack for Kathmandu in May

Based on 26°C average highs and 22 rainy days

Light layers for morning and evening
Breathable T-shirts and comfortable trousers
UV-protective sunglasses
Quick-dry travel towel
Anti-chafe balm for long walking days
Moisture-wicking synthetic fabrics for active days
Compact folding umbrella
Waterproof outer layer or packable rain jacket
Quick-dry clothing that recovers fast after a shower
SPF 30+ sunscreen
Comfortable walking shoes (a second pair lets the first air out overnight)
Universal travel adapter
Small day pack for city exploration
Reusable water bottle

Best Activities in Kathmandu in May

Explore outdoor markets and street food stallsMid-morning (10am-12pm)At 26°C, the temperature is ideal for extended walking without overheating
Guided walking tour of the historic centreMorning or late afternoonComfortable temperatures allow several hours on foot without fatigue
Visit rooftop viewpoints and observation decksGolden hour (1 hour before sunset)Warm clear evenings provide exceptional visibility for panoramic photography
Day trip to the surrounding countryside or coastFull day (depart by 8am)May is reliably dry enough for rural day trips without weather risk
Spend a morning in the national or city art museumOpens at 10am; arrive earlyWith 22 rain days expected, having a full-day indoor plan is practical insurance
Cooking class focused on regional cuisineHalf-day sessions run 10am-1pm or 3-6pmIndoor activity that fills a rainy half-day with genuine cultural content
Visit covered historical sites: cathedral, palace, or bazaarAny time; most crowded middayRoofed monuments and covered markets provide exploration without weather exposure
Visit the main botanical garden or city park at seasonal peakYear-round; best light in morningMay brings distinct seasonal changes to public green spaces worth exploring
Seek out chilled local specialities: cold-brew tea, ice desserts, or chilled seafood at street-level stallsAny time; most atmospheric in evening marketsHot-weather street food culture peaks in May, with vendors setting up specifically for warm evenings

Why is Kathmandu warm in May?

Kathmandu's May heat is driven by the Asian summer monsoon system, as the low-pressure cell that forms over the heated landmass draws warm, humid air from the oceans. The result is temperatures averaging 26°C with high moisture in the air. Overnight temperatures remain elevated at 17°C, as clouds and humidity prevent the earth from radiating heat away after sunset. Climate data: Open-Meteo ERA5 (1991–2020).

Sunshine Hours

The average number of hours per day with direct sunlight. Calculated from satellite measurements. Days with more than 7 hours of sunshine are ideal for outdoor activities. Under 3 hours means overcast conditions dominate.

UV Index

A scale from 0-11+ measuring ultraviolet radiation intensity. UV 0-2: Minimal risk. UV 3-5: Moderate -- wear sunscreen. UV 6-7: High -- hat and SPF 30+ essential. UV 8-10: Very High -- limit midday exposure. UV 11+: Extreme -- seek shade between 10am-4pm.

Rain Days

A rain day is counted when precipitation exceeds 0.1mm. This threshold captures even light drizzle. Unlike total rainfall in mm, rain days tells you how often you might need an umbrella, which is useful for planning outdoor activities.

Humidity

Relative humidity as a percentage. Below 40%: Dry -- skin and throat may feel parched. 40-60%: Comfortable -- ideal for most people. 60-80%: Sticky -- light, breathable fabrics recommended. Above 80%: Muggy -- heat feels more intense; quick-dry clothing is essential.

Frequently Asked Questions: Kathmandu in May

In May, Kathmandu experiences average highs of 26°C (79°F) and lows of 17°C (63°F). Expect around 22 rainy days and 12 hours of sunshine per day, with humidity averaging 70%. The 9°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 9, so sun protection is advisable on clear days.

Kathmandu typically sees 22 rainy days in May, with total precipitation of around 203mm. This is a notably wet period. A waterproof jacket or compact umbrella is essential, and it is worth building indoor alternatives into your daily itinerary for the inevitable rainy stretches. For context, the driest month in Kathmandu typically sees 4-6 fewer rain days than May.

Pack light layers, a light jacket for evenings, comfortable walking shoes, and sunscreen for Kathmandu in May. Daytime temperatures of 26°C are pleasant, but the evening drop to 17°C means a jacket is essential if you plan to be out after dark. With 22 rainy days, bring a compact umbrella or waterproof jacket for unexpected showers. Comfortable walking shoes are a priority given the amount of ground most visitors cover.

May is a reasonable time to visit Kathmandu. Expect 22 rainy days, so pack a light rain layer for flexibility. Average temperatures of 26°C make outdoor exploration comfortable during the dry periods. With 12 daily sunshine hours, there are reliable windows of good weather to plan outdoor activities around, even if the month is not the driest on the calendar.

The average high temperature in Kathmandu in May is 26°C (79°F), and the average low is 17°C (63°F). The mean daily temperature is approximately 22°C (71°F). The day-to-night range of 9°C is moderate, meaning a single light jacket covers most situations. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.

The best month to visit Kathmandu is generally March. March offers the most sunshine at 11 hours per day and only 10 rainy days. Average temperatures reach 22°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around March gives you the best chance of dry, bright weather.

May is shoulder or low season in Kathmandu, meaning fewer tourists and generally lower prices than peak months. With 12 sunshine hours and 22 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.

In May, Kathmandu suits a range of activities thanks to mild temperatures around 26°C. With frequent rain, indoor activities and covered attractions are a smart choice. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 12 hours of sunshine, parks and waterfront walks are particularly enjoyable.

May ranks 2nd sunniest of the year in Kathmandu, with an average 12 daily sunshine hours. The driest months are December, January, and November. May is the hottest month (26°C avg high); January is the coolest (16°C). From here, temperatures fall 0°C into June. Compared to last month (April: 25°C high, 13 rain days), May is warmer and wetter. May is among the top three sunniest months to visit Kathmandu.

Year-Round Climate

Month	High	Low	Rain Days	Sun	Details
January	16°C	7°C	6	10h	View
February	18°C	8°C	8	10h	View
March	22°C	11°C	10	11h	View
April	25°C	14°C	13	12h	View
May	26°C	17°C	22	12h	View
June	26°C	19°C	27	9h	View
July	25°C	20°C	31	6h	View
August	25°C	20°C	31	7h	View
September	25°C	19°C	28	8h	View
October	23°C	15°C	15	10h	View
November	20°C	12°C	6	10h	View
December	17°C	8°C	3	10h	View

Other Months in Kathmandu

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Plan Your Trip to Kathmandu

Best Time to Visit Kathmandu Kathmandu vs Pokhara in May

Data Sources for Kathmandu

Kathmandu on Wikipedia Open-Meteo Climate API NOAA National Centers UK Met Office WMO GeoNames

Climate normals represent 30-year averages (1991-2020). Individual years may vary.