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The climate of South Holland (the Netherlands)
South Holland is a densely populated province in the western part of the Netherlands on the North Sea. The capital of the province of South Holland is The Hague; the largest city is Rotterdam. South Holland borders the provinces of Zeeland, North Holland, North Brabant and Gelderland. Besides the main land the province consists of the former islands of Rozenburg, IJsselmonde, Voorne-Putten, Hoeksche Waard, the island of Dordrecht, Goeree Overflakkee and the island of Tiengemeten. Together with several neighboring provinces South Holland forms the green heart of the Netherlands. Rotterdam is the largest port in the Netherlands and Europe. South Holland has a moderate maritime climate strongly influenced by the North Sea. Because of this extremes in temperatures are uncommon. However, extremes may occur. Longer periods with subzero temperatures do not occur as frequently as in the more easterly located places. During the summer temperatures are slightly lower than you would expect, this is caused by the influence of the North Sea. Precipitation is evenly spread out over the year. During periods with subzero temperatures precipitation falls in the form of snow.

Climate information
The data below is based on registered weather data and applies to South Holland:

	average  maximum temperature (°C)	average minimum temperature (°C)	average hours of sunshine per day	average days with precipitation per month	average mm precipitation per month	average sea temperature (°C)
January	5	0	2	19		6
February	5	0	3	17		5
March	8	2	4	16		5
April	12	4	5	16		7
May	16	8	7	17		10
June	19	10	7	16		14
July	21	12	6	18		17
August	21	12	6	17		18
September	18	10	4	16		18
October	14	7	3	17		15
November	9	3	2	18		12
December	6	1	1	19		8
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm = 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate figures are very useful but don’t present a general impression of the climate and the eventual weather circumstances within a certain period. The figures don’t always reflect the chance of wintry weather, extreme heat or hurricanes. That is why we offer useful extra climate information for each month of the year:

	chance of (very) hot weather	chance of (very) cool weather	chance of long-term precipitation	chance of hurricanes (cyclones)	chance of sunny days	UV-index
January
February
March
April
May
June
July
August
September
October
November
December
click here for the explanation of the symbols

Disclaimer
The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.