Kathmandu
Nepal
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Kathmandu, Nepal

Beautiful ancient monuments in the Durbar square in Kathmandu, Nepal
Beautiful ancient monuments in the Durbar square in Kathmandu, Nepal
August, the last month of the summer, in Kathmandu, is another warm month, with average temperature fluctuating between 20°C (68°F) and 28.7°C (83.7°F).

Temperature

In Kathmandu, the average high-temperature is essentially the same as in July - a still moderately hot 28.7°C (83.7°F). In August, in Kathmandu, the average low-temperature is 20°C (68°F).

Heat index

The average heat index in August is calculated to a hot 34.5°C (94.1°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'feels like', 'real feel', or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like clothing, pregnancy, differences in body mass, height, and shape, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity is 83%.

Rainfall

In August, the rain falls for 22 days. Throughout August, 330.8mm (13") of precipitation is accumulated. In Kathmandu, during the entire year, the rain falls for 110 days and collects up to 1454.9mm (57.3") of precipitation.

Daylight

In August, the average length of the day in Kathmandu is 13.1h.

Sunshine

The average sunshine in Kathmandu is 5.1h.

UV index

April through August, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an extreme health hazard from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 12 interpret into the following advice:
Take all necessary precautions, as unprotected skin can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used.

What is the temperature in August in Kathmandu?

In August, the average high-temperature is 28.7°C (83.7°F), and the average low-temperature is 20°C (68°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines air temperature and relative humidity, in August is evaluated at 34.5°C (94.1°F).

What is the average humidity in August in Kathmandu?

In Kathmandu, Nepal, the average relative humidity in August is 83%.

How much does it rain in Kathmandu in August?

In Kathmandu, in August, during 22 rainfall days, 330.8mm (13") of precipitation is typically accumulated.

How many hours of daylight does Kathmandu have in August?

In Kathmandu, the average length of the day in August is 13.1h.

How many hours of sunshine does Kathmandu have in August?

The average sunshine in August in Kathmandu, Nepal, is 5.1h.

What is the month with the highest UV index in Kathmandu?

Months with the highest UV index are April through August, with an average maximum UV index of 12.

What is the UV index intensity in August in Kathmandu?

The average daily maximum UV index in August in Kathmandu, Nepal, is 12. A UV Index estimate of 11, and higher, represents an ultimate hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in August - Kathmandu, Nepal
  • Average high temperature in August: 28.7°C

The warmest month (with the highest average high temperature) is June (29.1°C).
The month with the lowest average high temperature is January (19.1°C).

  • Average low temperature in August: 20°C

The month with the highest average low temperature is July (20.2°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).

Average humidity in August - Kathmandu, Nepal
  • Average humidity in August: 83%

The month with the highest relative humidity is November (85%).
The month with the lowest relative humidity is April (53%).

Average rainfall in August - Kathmandu, Nepal
  • Average rainfall in August: 330.8mm

The wettest month (with the highest rainfall) is July (363.4mm).
The driest month (with the lowest rainfall) is November (8.3mm).

Average rainfall days in August - Kathmandu, Nepal
  • Average rainfall days in August: 22 days

The month with the highest number of rainy days is July (23 days).
Months with the lowest number of rainy days are November and December (1 days).

Average daylight in August / Average sunshine in August - Kathmandu, Nepal
  • Average daylight in August: 13.1h

The month with the longest days is June (Average daylight: 13.9h).
The month with shortest days is December (Average daylight: 10.4h).

  • Average sunshine in August: 5.1h

The month with most sunshine is February (Average sunshine: 9.1h).
Months with least sunshine are July and September (Average sunshine: 4.4).

Average UV index in August - Kathmandu, Nepal
  • Average UV index in August: 12

Months with the highest UV index are April, May, June, July and August (UV index 12).
Months with the lowest UV index are January and December (UV index 5).