August weather forecastLeiden, Netherlands
August
Weather in August
As the peak of summer, August continues to exhibit warm weather in Leiden. The noticeable feature in August's weather is the high rainfall, peaking at 53mm (2.09"), the highest rainfall throughout the year. Despite the sporadic showers, the weather remains mostly warm and humid. Balanced by the steady wind flow and extended sunlight hours, the weather maintains a slight freshness. The month remains vibrant with tourists and locals enjoying the summer sun before it begins to fade.Temperature
Leiden reaches its highest average temperatures in August, measuring 21°C (69.8°F) at the peak and 16.3°C (61.3°F) at the lowest.Humidity
April and August, with an average relative humidity of 75%, are the least humid months in Leiden.Rainfall
August is the month with the most rainfall. Rain falls for 19.1 days and accumulates 53mm (2.09") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Leiden, the average length of the day in August is 14h and 37min.On the first day of the month, sunrise is at 06:04 and sunset at 21:32. On the last day of August, in Leiden, sunrise is at 06:52 and sunset at 20:31 CEST.
Sunshine
In August, the average sunshine is 9.5h.UV index
June through August, with an average maximum UV index of 5, are months with the highest UV index in Leiden. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In August, the maximum UV index of 5 transforms into these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Leiden, Netherlands
- Average high temperature in August: 21°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in August: 16.3°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (2.8°C).
Average pressure in August
Leiden, Netherlands
- Average pressure in August: 1015mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in August
Leiden, Netherlands
- Average wind speed in August: 16.5km/h
The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest month (with the lowest average wind speed) is July (16.1km/h).
Average humidity in August
Leiden, Netherlands
- Average humidity in August: 75%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in August
Leiden, Netherlands
- Average rainfall in August: 53mm
The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in August
Leiden, Netherlands
- Average rainfall days in August: 19.1 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is April (11.3 days).
Average snowfall in August
Leiden, Netherlands
- Average snowfall in August: 0mm
The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Leiden, Netherlands
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Leiden, Netherlands
- Average daylight in August: 14h and 36min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in August: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in August
Leiden, Netherlands
- Average sunshine days in August: 9.5 days
The month with the most sunshine days is April (16.8 days).
The month with the least sunshine days is December (8.1 days).
Average UV index in August
Leiden, Netherlands
- Average UV index in August: 5
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Leiden, Netherlands
- Average cloud cover in August: 38
The month with the most cloud cover is December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in August
Leiden, Netherlands
- Average visibility in August: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).





