July weather forecast
Leiden, Netherlands

July

Weather in July

July is undeniably the warmest month in Leiden, reflected in both the high and low average temperatures. Weather in Leiden in July experiences the highest rainfall amounting to 40mm (1.57"). Regardless of the increased rainfall, the extended daylight hours coupled with warm weather create perfect conditions for summer activities. Regular wind flow ensures the weather does not become uncomfortably hot, maintaining an overall pleasant climate. Despite the warmth, occasional showers keep the city's ambiance fresh and vibrant.

Temperature

Leiden's average high-temperature in July is an agreeable 20.3°C (68.5°F), marking an insignificant difference from the 18.2°C (64.8°F) of June. The low-temperature average for Leiden during July stands at a mild 15.2°C (59.4°F).

Humidity

In Leiden, the average relative humidity in July is 77%.

Rainfall

In Leiden, Netherlands, in July, it is raining for 17.2 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 183.4 rainfall days, and 400mm (15.75") of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Leiden.

Daylight

In Leiden, the average length of the day in July is 16h and 12min.
On the first day of July, sunrise is at 05:25 and sunset at 22:06. On the last day of the month, sunrise is at 06:02 and sunset at 21:34 CEST.

Sunshine

The average sunshine in July in Leiden is 10.1h.

UV index

The months with the highest UV index in Leiden are June through August, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In July, the maximum UV index of 5 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. 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.

Frequently asked questions

What are the temperatures in Leiden in July?
In Leiden, in July, the average high-temperature is 20.3°C (68.5°F), and the average low-temperature is 15.2°C (59.4°F).
What is the average humidity in July in Leiden?
In July, the average relative humidity in Leiden is 77%.
How many days does it rain in July in Leiden?
In Leiden, Netherlands, in July, it is raining for 17.2 days, with typically 40mm (1.57") of accumulated precipitation.
When it does not snow in Leiden?
April through October are months without snowfall in Leiden, Netherlands.
What is the average length of the day in July in Leiden?
In Leiden, Netherlands, the average day length in July is 16h and 12min.
When is the sunrise / sunset in July in Leiden?
On the first day of July in Leiden, sunrise is at 05:25 and sunset at 22:06. On the last day of the month, sunrise is at 06:02 and sunset at 21:34 CEST.
How many hours of sunshine does Leiden have in July?
The average sunshine duration in July in Leiden, Netherlands, is 10.1h.
What are the months with the highest UV index in Leiden?
June through August, with an average maximum UV index of 5, are months with the highest UV index in Leiden.
How high is the UV index in July in Leiden?
In Leiden, Netherlands, the average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in July - Leiden, Netherlands
Average temperature in July
Leiden, Netherlands
  • Average high temperature in July: 20.3°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 July: 15.2°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 July - Leiden, Netherlands
Average pressure in July
Leiden, Netherlands
  • Average pressure in July: 1015.2mbar

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 July - Leiden, Netherlands
Average wind speed in July
Leiden, Netherlands
  • Average wind speed in July: 16.1km/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 July - Leiden, Netherlands
Average humidity in July
Leiden, Netherlands
  • Average humidity in July: 77%

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 July - Leiden, Netherlands
Average rainfall in July
Leiden, Netherlands
  • Average rainfall in July: 40mm

The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in July - Leiden, Netherlands
Average rainfall days in July
Leiden, Netherlands
  • Average rainfall days in July: 17.2 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 July - Leiden, Netherlands
Average snowfall in July
Leiden, Netherlands
  • Average snowfall in July: 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 July - Leiden, Netherlands
Average snowfall days in July
Leiden, Netherlands
  • Average snowfall days in July: 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 July / Average sunshine in July - Leiden, Netherlands
Average daylight in July /
Average sunshine in July
Leiden, Netherlands
  • Average daylight in July: 16h and 1min

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 July: 10h and 1min

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 July - Leiden, Netherlands
Average sunshine days in July
Leiden, Netherlands
  • Average sunshine days in July: 11.2 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 July - Leiden, Netherlands
Average UV index in July
Leiden, Netherlands
  • Average UV index in July: 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 July - Leiden, Netherlands
Average cloud cover in July
Leiden, Netherlands
  • Average cloud cover in July: 39

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 July - Leiden, Netherlands
Average visibility in July
Leiden, Netherlands
  • Average visibility in July: 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).

englishespañol中文
Share