30YearWeather
Kathmandu, May 20
Kathmandu street view during May
Historical Weather Analysis

Kathmandu Weather on May 20 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

thunderstorm

25.3°C

High

16.8°C

Low

61%

Rain

☀️ Feels like 26.2°C (humidity)

rain
IT'S A GAMBLE

May 20 sees frequent showers in Kathmandu. Historical data shows a 61% chance of rain, so pack accordingly. Temperatures average 25°C. It's a great middle-ground for visiting Kathmandu—enough activity to feel the pulse, but no overwhelming lines.

Currency

NPR

Nepalese rupee

Language

Nepali

Driving

Left side

Connect

Most cafes & restaurants in tourist area...

Safety

High Safety

GPI: 1.947

Kathmandu Weather Forecast for May 20

"Rainy & Overcast. Expect average highs of 25.3°C. 61% chance of rain."

What to Wear in Kathmandu in May

Based on historical data for May 20, Kathmandu typically experiences temperatures between 16.8°C and 25.3°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 61% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Kathmandu

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

25.3°C

Daytime Peak

Average Low

extreme-cold

16.8°C

Nighttime Low

Feels Like

partly-cloudy-day

26.2°C

☀️ Feels accurate

Rain Chance

rain

61%

Avg 6.8mm if it rains

Cloud Cover

cloudy

49%

Moderate rain

Pressure

pressure

1006.6 hPa

Low volatility

Kathmandu Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

89%Highly Predictable

Based on 10 years of data

Temperature
±1.7°CStable
Precipitation
31-92%Moderate

🎯 This date historically delivers consistent weather 89% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

7.4High
036811+

Protection Needed

SPF 30+ required, seek shade

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 19:00

Peak danger: 10:00 - 14:00
Time to Sunburn

Type I-II

🔴 11 min to burn

Type III-IV

🟡 17 min to burn

Type V-VI

🟢 28 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

69Good
TemperatureWarm
HumidityMuggy
WindLight Breeze

Dew Point

20.8°C

Humid/Sticky

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Morning hours (before 11 AM)

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Nepal

Flight Traffic

Moderate

51/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~87

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Kathmandu

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:28

☀️ Noon

12:16

🌇 Sunset

19:04

⏱️ Daylight

13h 35m

Golden Hour
Morning05:28 - 06:01
18:31 - 19:04Evening

Wind Speed

wind

7 km/h

Light breeze

Sunshine

clear-day

10.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

76%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Kathmandu

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Kathmandu

Travel Comfort Index

Real-time tourism conditions

Weather Quality

🌧️ Variable

51/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

85/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1006.6 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
160AQI
Unhealthy
PM2.5 Concentration73.3 µg/m³

Unhealthy. Everyone should reduce outdoor activities.

Regional Safety Profile

High

Seismic Activity

Active seismic zone. Multiple earthquakes per year.

Total events (30y):351
In May (30y):125
Last in May:2020-05-30
💡 Earthquake risk elevated. Download a seismic alert app.

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Kathmandu on May 20 averages 25.3°C with a 61% precipitation probability. Wedding/Outdoor Event Score: 75/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Kathmandu Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2024
27.7°C
Coldest
2023
15.1°C
Rainiest
2021
40.7mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (May 20) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Kathmandu Worth Visiting on May 20?

Planning a trip to Kathmandu on May 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.3°C with a 61% historical precipitation risk.

✈️ Travel Logistics: Approximately 87 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 11 vaccinations are recommended for Nepal, including COVID-19.

📊 Historical Extremes: The hottest May 20 recorded in the last 30 years saw temperatures hit 27.7°C in 2024, while the coldest dropped to 15.1°C in 2023.

Kathmandu Weather FAQ