Kathmandu Climate & Weather Averages
Nepal · Subtropical Highlands climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
Best Time to Visit Kathmandu
Based on temperature comfort, low rainfall, and sunshine hours, the best months to visit Kathmandu are:
November, June, July
Scores based on ideal temperature (18-28°C), low precipitation, and high sunshine. November scores 65/100.
Kathmandu has a Subtropical Highlands climate with warm summers and mild winters. The warmest month is July with an average temperature of 22.7°C (72.9°F), while January is the coldest at 10.2°C (50.4°F). Annual precipitation averages 2990.0mm spread across approximately 226.0 rainy days per year, with July being the wettest month at 884.9mm and December the driest at 6.4mm. The city receives an average of 7.7-11.1 hours of sunshine per day, with the sunniest months being April and March. Humidity remains relatively consistent throughout the year, averaging around 77.3% annually, while average wind speeds reach 9.2 km/h. The overall annual mean temperature is 17.7°C (63.9°F), reflecting the subtropical highlands conditions shaped by Kathmandu's latitude (27.72°) and surrounding geography. For travelers, the best time to visit is November, June, July, when temperatures are comfortable and rainfall is lower.
Kathmandu's subtropical highland climate is shaped by its position in the Kathmandu Valley. I've studied the data and found that the city experiences mild temperatures year-round, with a monsoon season from June to September. The best time for visiting is October to May, when the weather is dry and the Himalayan views are clearest.
Seasonal Climate Overview
Spring (Mar-May)
Average temperature 18.6°C (65.5°F), rainfall 119.7mm, sunshine 10.5 hrs/day, humidity 68.0%. Mild transitional weather characterizes this period. Expect around 18.8 rainy days per month.
Summer (Jun-Aug)
Average temperature 22.5°C (72.5°F), rainfall 686.3mm, sunshine 8.5 hrs/day, humidity 88.4%. Warm season conditions prevail. Expect around 30.0 rainy days per month.
Autumn (Sep-Nov)
Average temperature 18.5°C (65.3°F), rainfall 171.8mm, sunshine 9.4 hrs/day, humidity 82.3%. Mild transitional weather characterizes this period. Expect around 19.3 rainy days per month.
Winter (Dec-Feb)
Average temperature 11.2°C (52.2°F), rainfall 18.8mm, sunshine 9.6 hrs/day, humidity 70.6%. Mild transitional weather characterizes this period. Expect around 7.2 rainy days per month.
Monthly Temperature Averages (°C / °F)
| Month | Avg High | Avg Low | Mean Temp |
|---|---|---|---|
| January | 16.6°C (61.9°F) | 4.8°C (40.6°F) | 10.2°C (50.4°F) |
| February | 18.3°C (64.9°F) | 6.0°C (42.8°F) | 11.8°C (53.2°F) |
| March | 22.4°C (72.3°F) | 10.5°C (50.9°F) | 16.1°C (61.0°F) |
| April | 25.8°C (78.4°F) | 14.0°C (57.2°F) | 19.6°C (67.3°F) |
| May | 25.2°C (77.4°F) | 15.9°C (60.6°F) | 20.0°C (68.0°F) |
| June | 26.6°C (79.9°F) | 19.0°C (66.2°F) | 22.3°C (72.1°F) |
| July | 26.5°C (79.7°F) | 20.2°C (68.4°F) | 22.7°C (72.9°F) |
| August | 26.5°C (79.7°F) | 19.9°C (67.8°F) | 22.5°C (72.5°F) |
| September | 26.1°C (79.0°F) | 18.7°C (65.7°F) | 21.6°C (70.9°F) |
| October | 24.1°C (75.4°F) | 14.8°C (58.6°F) | 18.9°C (66.0°F) |
| November | 21.0°C (69.8°F) | 9.6°C (49.3°F) | 14.9°C (58.8°F) |
| December | 18.2°C (64.8°F) | 6.0°C (42.8°F) | 11.7°C (53.1°F) |
Monthly Precipitation (mm)
| Month | Avg Rainfall | Bar |
|---|---|---|
| January | 23.1 mm | |
| February | 26.9 mm | |
| March | 52.6 mm | |
| April | 55.8 mm | |
| May | 250.6 mm | |
| June | 482.4 mm | |
| July | 884.9 mm | |
| August | 691.6 mm | |
| September | 403.3 mm | |
| October | 103.4 mm | |
| November | 8.8 mm | |
| December | 6.4 mm |
Monthly Rainy Days (avg days with rain > 0.1mm)
| Month | Avg Rainy Days | Bar |
|---|---|---|
| January | 6.6 | |
| February | 10.8 | |
| March | 16.6 | |
| April | 13.2 | |
| May | 26.6 | |
| June | 28.0 | |
| July | 31.0 | |
| August | 31.0 | |
| September | 29.8 | |
| October | 21.2 | |
| November | 7.0 | |
| December | 4.2 |
Monthly Humidity (%)
| Month | Avg Humidity | Bar |
|---|---|---|
| January | 69.9% | |
| February | 71.2% | |
| March | 66.9% | |
| April | 58.3% | |
| May | 78.7% | |
| June | 85.1% | |
| July | 90.1% | |
| August | 90.1% | |
| September | 89.3% | |
| October | 82.9% | |
| November | 74.6% | |
| December | 70.8% |
Monthly Wind Speed (avg max km/h)
| Month | Avg Max Wind | Bar |
|---|---|---|
| January | 9.4 km/h | |
| February | 10.5 km/h | |
| March | 11.0 km/h | |
| April | 12.9 km/h | |
| May | 9.8 km/h | |
| June | 9.3 km/h | |
| July | 7.3 km/h | |
| August | 7.2 km/h | |
| September | 7.4 km/h | |
| October | 8.4 km/h | |
| November | 8.6 km/h | |
| December | 8.6 km/h |
Monthly UV Index (avg max)
| Month | UV Index | Risk Level | Bar |
|---|---|---|---|
| January | — | — | |
| February | — | — | |
| March | — | — | |
| April | — | — | |
| May | — | — | |
| June | — | — | |
| July | — | — | |
| August | — | — | |
| September | — | — | |
| October | — | — | |
| November | — | — | |
| December | — | — |
Monthly Snowfall (cm)
| Month | Avg Snowfall | Bar |
|---|---|---|
| January | 0.0 cm | |
| February | 1.7 cm | |
| March | 0.0 cm | |
| April | 0.0 cm | |
| May | 0.0 cm | |
| June | 0.0 cm | |
| July | 0.0 cm | |
| August | 0.0 cm | |
| September | 0.0 cm | |
| October | 0.0 cm | |
| November | 0.0 cm | |
| December | 0.0 cm |
Monthly Sunshine Hours (daily average)
| Month | Avg Daily Sunshine | Bar |
|---|---|---|
| January | 9.2 hrs | |
| February | 10.2 hrs | |
| March | 10.3 hrs | |
| April | 11.1 hrs | |
| May | 10.1 hrs | |
| June | 9.6 hrs | |
| July | 7.7 hrs | |
| August | 8.1 hrs | |
| September | 8.7 hrs | |
| October | 9.7 hrs | |
| November | 9.7 hrs | |
| December | 9.3 hrs |
Frequently Asked Questions
What is the hottest month in Kathmandu?
July is the hottest month with an average temperature of 22.7°C (72.9°F).
What is the coldest month in Kathmandu?
January is the coldest month with an average temperature of 10.2°C (50.4°F).
What is the rainiest month in Kathmandu?
July is the wettest month with an average of 884.9mm of precipitation. The city experiences about 226.0 rainy days per year.
When is the best time to visit Kathmandu?
The best time to visit Kathmandu is during November, June, July, when temperatures are comfortable and rainfall is lower.
Cities with Similar Climate (Subtropical Highlands)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: 27.72°, 85.32°. Timezone: Asia/Kathmandu. Last updated: 2026-07-30.