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The growing season means the time of year that is warm enough for different plants to grow. The length of the vegetation period affects, for example, agriculture. The trend is that the vegetation period in Sweden is getting longer and longer. This can, for example, lead to larger harvests and the …

The sea level changes over time due to ongoing climate change and long-term land elevation. Since the end of the 19th century, the climate-driven sea level change along Sweden's coast has caused the sea to rise approximately 15 centimeters on average. This indicates how big the rise would have been …

Direct wind measurements have been made at some stations since the 19th century. During the 1950s, anemometers (wind gauges) became common at airports and coastal stations. In 1996 there was a network of no less than 130 automatic stations with identical wind equipment. The anemometers have thus …

If large amounts of precipitation fall in a short period of time, it can cause floods, traffic disruptions and landslides, among other things. Regarding the indicators Maximum daily precipitation and Absolute largest daily precipitation, an increasing trend can be seen for the year's value and the …

The climate is getting warmer. Since 1988, all years but two have been warmer or much warmer than the average for 1961-1990. The warm-up is due to increased emissions of greenhouse gas. How big the warm-up will be, depends on how successful people are in limiting the emissions. A higher temperature …

SMHI has over 600 stations across Sweden measuring precipitation, meaning means how much it rains, snows and hails. Since the mid-70s one can see that precipitation has increased – and it is expected to keep increasing in the future.

We are probably facing a dramatic change in the earth’s climate, which will affect society in many different ways. There is therefore a need to continuously follow the changes in our climate, so SMHI has produced a number of climate indicators for this purpose. 

SMHI, the Swedish Meteorological and Hydrological Institute, is an expert authority for knowledge, research and services. On these pages you will find reliable science based information about how and why climate is changing, how this affects the world, including Sweden, and how we can adapt to the …