The best times to visit Rotterdam for ideal weather are
May 21st to September 23rd
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Rotterdam Travel Guide
Weather in Rotterdam
Average temperatures in Rotterdam vary little and are seasonally temperate. The area is in the top 68 percent of tourist destinations for pleasant weather. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Rotterdam, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early July where highs are regularly around 55.4°F (13°C) with temperatures rarely dropping below 42.4°F (5.8°C) at night.
Rotterdam Temperatures (Fahrenheit)
Rotterdam Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Rotterdam Perceived Temperature (F)
Rotterdam Perceived Temperature (C)
Average Rotterdam Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of precipitation in Rotterdam are December, November, and then January. The lowest chance of rain or snow occurs around mid-April. For example, on the week of April 16th there are only 1.8 days of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 4.7 days with significant precipitation the week of December 3rd.
When can you find snow in Rotterdam? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Rotterdam.
Snow on the Ground
The graph below shows the average snow on the ground in Rotterdam (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Rotterdam has slightly high to average humidity compared to most tourist destinations. The least humid month is May (66.1% relative humidity), and the most humid month is November (85.3%).
Wind in Rotterdam is usually moderate. The windiest month is January, followed by December and February. January’s average wind speed of around 10.7 knots (12.3 MPH or 19.8 KPH) is considered “gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early-to-mid-January where average top sustained speeds reach 17.4 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Rotterdam.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots.
|Month||Avg. Wind||Meaning (Beaufort)||Avg. Maximum Sustained Wind||Meaning (Beufort)|
|Jan||10.7||a gentle breeze||16.1||a moderate breeze|
|Feb||9.5||a gentle breeze||14.7||a moderate breeze|
|Mar||9.2||a gentle breeze||14.9||a moderate breeze|
|Apr||7.9||a gentle breeze||13.5||a moderate breeze|
|May||8.3||a gentle breeze||13.9||a moderate breeze|
|Jun||7.8||a gentle breeze||13.4||a moderate breeze|
|Jul||8||a gentle breeze||14||a moderate breeze|
|Aug||7.6||a gentle breeze||13.3||a moderate breeze|
|Sep||7.5||a gentle breeze||12.9||a moderate breeze|
|Oct||7.9||a gentle breeze||13||a moderate breeze|
|Nov||9.3||a gentle breeze||14.8||a moderate breeze|
|Dec||10.3||a gentle breeze||15.8||a moderate breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Rotterdam?
As of 5/2/2017 there are no travel advisories or warnings for the Netherlands; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories.
Overall Rotterdam Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 50.2°F (10.1°C) and 35.5°F (1.9°C) with warmer temperatures in the later months. Rain is very common with 9 to 13 days of precipitation per month. Spring is slow/unreported for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have slightly cold weather with high temperatures that are comfortable. These months see moderate precipitation with 13 to 16 days of precipitation per month. June – August is slow/unreported season for tourism in Rotterdam, so lodging and other accommodations may cost as much as usual.
Fall (September through November)
Fall daily highs range from 51.1°F (10.6°C) and 34.1°F (1.2°C), which will feel chilly given the humidity and wind. It rains or snows a very great amount: 13 to 17 days per month. Tourism is slow/unreported during these months due to the weather, so hotels may be normally priced.
Winter (December through February)
Weather is far too cold this time of year in Rotterdam to be enjoyable for warm weather travelers. The average high during this season is between 34.2°F (1.2°C) and 31°F (-0.6°C). On average, it rains or snows a great amount: 13 to 19 times per month. These times of year are slow/unreported with tourists.