Stokkseyri Temperature by Month

The average annual maximum temperature in Stokkseyri, South Iceland, Iceland is 9°C (48°F), with daytime highs ranging from 4°C (39°F) in February to 15°C (59°F) in July. This page covers monthly averages, day-night differences, and how Stokkseyri compares to cities worldwide.

The moderate changes in the climate in Stokkseyri ensure gradual weather shifts through each season. At night, temperatures drop to between 10°C (50°F) and -1°C (30°F) depending on the time of year.

The chart below illustrates the average maximum day and minimum night temperatures in Stokkseyri by month:

Temperatures tend to bottom out between 4 AM and 6 AM, then climb to their daily peak around 3 PM. July, the warmest month, sees 168 hours of sunshine.

The chart below shows the average temperature throughout the year:

Stokkseyri's average annual maximum temperature is 9°C (48°F). To put that in context, here's how it compares to a few well-known destinations:

Rome, Italy averages 20°C (68°F) annually, with reliably warm summers and comfortable winters.

Queenstown, New Zealand averages 10°C (50°F) annually, remember seasons are flipped, so its coldest months fall in June and July.

San Francisco, USA averages 19°C (66°F) annually, but with little seasonal variation, summers are often cool and foggy, winters mild.

Tokyo, Japan averages 21°C (70°F) a year, with hot summers, cool winters, and a well-defined cherry blossom spring.

Temperature alone doesn't tell the whole story, humidity plays a big role in how warm or cold it actually feels. High humidity in summer makes the heat feel more intense, particularly once temperatures climb above 25°C. In winter, the same humidity can make cold air feel sharper than the thermometer suggests.

In the cooler months, when temperatures drop below 10°C, high humidity makes the cold feel more cutting than it would in dry conditions.

In Stokkseyri, February is the coolest month, with average highs of 4°C (39°F) and humidity around 79%, considered high. For a full picture, see our humidity page.

Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.

The readings come from a range of sources, land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.

Seasonal temperature shifts influence more than just how warm it feels, they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.

Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Stokkseyri this rarely lasts long on the ground.

For more on Stokkseyri's weather, including monthly rainfall, sunshine hours, and humidity, visit our Stokkseyri climate page.