July weather forecast and climate
Rotterdam, Netherlands

An old ship dock in Rotterdam, Netherlands, overlooking the Williamsburg Bridge and the famous Openlucht Binnenvaart museum
An old ship dock in Rotterdam, Netherlands, overlooking the Williamsburg Bridge and the famous Openlucht Binnenvaart museum

Weather in July

July in Rotterdam, Netherlands, is an agreeable summer month, with average temperature fluctuating between 22°C (71.6°F) and 14.5°C (58.1°F).

Temperature

July and August, with an average high-temperature of 22°C (71.6°F), are the warmest months.

Humidity

In Rotterdam, the average relative humidity in July is 75%.

Rainfall

In July, in Rotterdam, the rain falls for 13.8 days. Throughout July, 19mm (0.75") of precipitation is accumulated. In Rotterdam, during the entire year, the rain falls for 130.3 days and collects up to 205mm (8.07") of precipitation.

Snowfall

April through October are months without snowfall in Rotterdam.

Daylight

In July, the average length of the day is 16.2h.

Sunshine

In Rotterdam, the average sunshine in July is 9.6h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for average individuals.
Note: In July, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Rotterdam?

July and August, with an average high-temperature of 22°C (71.6°F), are warmest months in Rotterdam, Netherlands.

What is the average humidity in July in Rotterdam?

In July, the average relative humidity in Rotterdam, Netherlands, is 75%.

How many days does it rain in July in Rotterdam?

In Rotterdam, Netherlands, during July, the rain falls for 13.8 days and regularly aggregates up to 19mm (0.75") of precipitation.

When it does not snow in Rotterdam?

In Rotterdam snow does not fall in April through October.

How many hours of daylight does Rotterdam have in July?

In Rotterdam, Netherlands, the average length of the day in July is 16.2h.

How many hours of sunshine does Rotterdam have in July?

In Rotterdam, Netherlands, the average sunshine in July is 9.6h.

When is the highest UV index in Rotterdam?

Months with the highest UV index in Rotterdam, Netherlands, are June through August, with an average maximum UV index of 5.

What is the UV index reading in July in Rotterdam?

In July, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in July
Rotterdam, Netherlands

Average temperature in July - Rotterdam, Netherlands
  • Average high temperature in July: 22°C

The warmest months (with the highest average high temperature) are July and August (22°C).
The month with the lowest average high temperature is January (5.6°C).

  • Average low temperature in July: 14.5°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).

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Average pressure in July
Rotterdam, Netherlands

Average pressure in July - Rotterdam, Netherlands
  • Average pressure in July: 1015.3mbar

The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).

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Average wind speed in July
Rotterdam, Netherlands

Average wind speed in July - Rotterdam, Netherlands
  • Average wind speed in July: 13.6km/h

The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest months (with the lowest average wind speed) are July and August (13.6km/h).

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Average humidity in July
Rotterdam, Netherlands

Average humidity in July - Rotterdam, Netherlands
  • Average humidity in July: 75%

The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in July
Rotterdam, Netherlands

Average rainfall in July - Rotterdam, Netherlands
  • Average rainfall in July: 19mm

The wettest month (with the highest rainfall) is June (24mm).
The driest month (with the least rainfall) is April (9mm).

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Average rainfall days in July
Rotterdam, Netherlands

Average rainfall days in July - Rotterdam, Netherlands
  • Average rainfall days in July: 13.8 days

The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (8.5 days).

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Average snowfall in July
Rotterdam, Netherlands

Average snowfall in July - Rotterdam, Netherlands
  • Average snowfall in July: 0mm

The month with the highest snowfall is February (19mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in July
Rotterdam, Netherlands

Average snowfall days in July - Rotterdam, Netherlands
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is February (2.2 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in July /
Average sunshine in July
Rotterdam, Netherlands

Average daylight in July / Average sunshine in July - Rotterdam, Netherlands
  • Average daylight in July: 16.2h

The month with the longest days is June (Average daylight: 16.6h).
The month with the shortest days is December (Average daylight: 7.9h).

  • Average sunshine in July: 9.6h

The month with the most sunshine is June (Average sunshine: 9.8h).
The month with the least sunshine is December (Average sunshine: 3.5h).

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Average sunshine days in July
Rotterdam, Netherlands

Average sunshine days in July - Rotterdam, Netherlands
  • Average sunshine days in July: 13 days

The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is July (13 days).

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Average UV index in July
Rotterdam, Netherlands

Average UV index in July - Rotterdam, Netherlands
  • Average UV index in July: 5

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in July
Rotterdam, Netherlands

Average cloud cover in July - Rotterdam, Netherlands
  • Average cloud cover in July: 42

The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 40).

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Average visibility in July
Rotterdam, Netherlands

Average visibility in July - Rotterdam, Netherlands
  • Average visibility in July: 9km

Months with the highest visibility are April, May, June and August (10km).
Months with the lowest visibility are January, February, March, July, September, October, November and December (9km).

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