Nadine Walder , 20 November 2023

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The oceanic climate and its influence on the indoor climate

The earth can be roughly divided into five main climate zones: the tropics, the subtropics, the temperate zone, the subpolar zone and the polar zone. These climate zones have an influence on the local environmental conditions and indoor climate. When constructing buildings, it is very important to take the various climatic factors into account and to adapt the construction measures accordingly to ensure a healthy indoor climate. Depending on the climate zone in which a region is located, different indoor climate devices can be useful in addition to the construction method.



Estimated reading time: 5 minutes


In the previous articles in our blog series on climate conditions worldwide, we presented various climate classifications, the influence of the temperate zone, the tropical and subtropical zone, the Mediterranean climate and the boreal zone on the indoor climate. In this fifth and final part, we will now look at the oceanic climate, the influence of this climate on the indoor climate, and we will introduce you to the climate conditions in the UK.

Read on to find out: 

  1. Characteristics and special features of the oceanic climate
  2. The UK climate: moderate temperatures and regular rainfall
  3. Effects of the oceanic climate on the indoor climate 


Characteristics and special features of the oceanic climate

The oceanic climate, also known as the marine climate, can be found in regions that are near the sea. It occurs on islands and along the windward coastal regions of continents. In these areas, the sea acts as a heat reservoir and exerts a significant influence on the weather throughout the year. 

The oceanic climate is characterised by mild temperatures and balanced seasons. Summers are not too hot, and winters are not too cold. This is due to the moderating effect of the ocean. There are also only small temperature fluctuations between day and night. The average annual temperature is around 10 °C / 50°F. Humidity is generally high due to the proximity to the water. This leads to frequent fog and humid weather. Precipitation falls throughout the year, with an annual rainfall of at least 750 mm. 

The oceanic climate is mainly influenced by the sea and westerly winds. The sea has an influence on precipitation patterns. Throughout the year, a considerable amount of water evaporates from the sea, which leads to increased precipitation in the coastal regions. The sea also influences the air temperature. In winter, the water releases its stored heat into the environment for a long time, which is why winters are mild. In contrast, the surrounding sea warms up slowly in spring and summer, which leads to cool summers. 

The westerly winds transport low-pressure areas in an easterly direction throughout the year, and these low-pressure areas have an influence on the oceanic climate. Low air pressure prevails in these regions, which leads to changes in the weather. It is often cloudy and in winter it often rains or snows.

The UK climate: moderate temperatures and regular rainfall

UK has a typical oceanic climate. According to the Köppen and Geiger climate classification, most of Great Britain has a Cfb climate, i.e. a temperate oceanic climate. The climate is humid and moderate, with a moderate annual temperature variation and an average temperature of 10.2 °C / 50.36 °F. The average annual rainfall in the UK is usually between 800 mm and 1,400 mm. The climate is significantly influenced by its proximity to the Atlantic Ocean and the Gulf Stream, which brings warm water to high northern latitudes. Due to the westerly winds, the regional climates in Great Britain vary depending on the distance from the Atlantic and the topography. Continental influences are most pronounced in the south-east. 

Like all regions of the world, the UK is affected by climate change and other economic and environmental factors. These parameters influence not only the general climate, but also the indoor climate and people's behaviour. The factors include: 

  • More extreme seasons: Summers are getting warmer and winters cooler. The seasonal weather is generally becoming more volatile. Droughts and hot spells are becoming more frequent, pollen counts are rising, and hay fever and asthma are on the increase. For this reason and because of the coronavirus pandemic, air purifiers have become popular and have a strong presence on the market. 
  • Shift to the outdoors: Due to higher temperatures, people are spending more time outside. The demand for portable air conditioning and cooling appliances is therefore growing.
  • Energy prices and living conditions: Rising energy prices are leading to colder homes and an increase in humidity levels and consequently mould growth . As a result, the demand for dehumidifiers is also increasing.

Effects of the oceanic climate on the indoor climate

The characteristics of the oceanic climate have a direct influence on the indoor climate. The rather cool summers and mild winters in this climate mean that the indoor climate generally fluctuates less than in other climate zones. This makes the indoor climate more stable overall and contributes to the energy efficiency of buildings, as less heating and cooling energy is required. 

The high humidity associated with the oceanic climate can lead to problems indoors. High humidity can cause mould growth and shorten the life of furniture and other items indoors. It is therefore important to take appropriate measures to control humidity indoors. These include, for example, the use of hygrometers and dehumidifiers. Regular ventilation is also crucial to maintaining an ideal relative humidity level. 

The oceanic climate is characterised by frequent rainfall, which can also pose a challenge for the protection of buildings. Well-sealed windows and roofs as well as efficient drainage are essential to prevent water damage indoors. 


This blog post is the final part of our series on climate conditions worldwide and their influence on the indoor climate. The series consists of the following parts:

* This article was created in co-operation with the following Stadler Form distributor: UK- Home Product Solutions Limited, https://www.allaboutair.com/


If you have questions related to indoor room climate, please get in touch with us. Or subscribe to our newsletter to regularly get informed about current topics regarding indoor climate, experience reports or Stadler Form insights. 

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