The highest day temperature in July 2023 was 100°F. The lowest night temperature was 55°F. The average values for day and night temperatures during July were 74.1°F и 61.2°F respectivly.

The average sea surface temperature in July 2023 for Rotterdam was 67.0°F. The maximum and minimum values were 65.2°F and 68.2°F respectively.

You can expect various weather conditions during July. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in July for Rotterdam is 2.1 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 9.5 mph. It makes July one of the most windless months of the year for Rotterdam.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Rotterdam in July is 9.3 hours.