Kathmandu Weather in August
Nepal · Subtropical Highlands climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
August in Kathmandu sees average temperatures ranging from a low of 19.9°C (67.8°F) to a high of 26.5°C (79.7°F), with a mean of 22.5°C (72.5°F). Compared to the annual average of 17.7°C (63.9°F), this month is 4.8°C warmer than the yearly norm. Precipitation averages 691.6mm, making it approximately 442.0mm wetter than the monthly average of 249.0mm. The city receives an average of 8.1 hours of sunshine per day during August, with relative humidity averaging 90.1%. Wind speeds reach an average maximum of 7.2 km/h. For travelers, this month offers a temperature experience in Kathmandu, with wetter-than-average conditions compared to the rest of the year.
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.
August vs Adjacent Months
| Metric | July | August | September |
|---|---|---|---|
| Mean Temp | 22.7°C (72.9°F) | 22.5°C (72.5°F) | 21.6°C (70.9°F) |
| Rainfall | 884.9mm | 691.6mm | 403.3mm |
| Sunshine | 7.7 hrs | 8.1 hrs | 8.7 hrs |
| Humidity | 90.1% | 90.1% | 89.3% |
| Wind | 7.3 km/h | 7.2 km/h | 7.4 km/h |
| Rainy Days | 31.0 | 31.0 | 29.8 |
Seasonal Context
August falls in Summer in the Northern Hemisphere. Summer brings the warmest conditions of the year with the longest daylight hours. For travelers visiting Kathmandu in August, the data indicates mixed conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Kathmandu in August?
The average temperature in Kathmandu during August ranges from 19.9°C (67.8°F) to 26.5°C (79.7°F), with a mean of 22.5°C (72.5°F).
How much does it rain in Kathmandu in August?
Kathmandu receives an average of 691.6mm of precipitation in August, spread across approximately 31.0 rainy days.
What should I pack for Kathmandu in August?
Based on August weather data, pack layers including light jackets and t-shirts, plus an umbrella. Rain gear is essential — this month averages 691.6mm of precipitation.
Is August a good time to visit Kathmandu?
August is a month with challenging conditions. Plan activities carefully and stay hydrated.
Other Months for Kathmandu
Cities with Similar August 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.