Ronneby is typically cool in December.

Maximum temperatures go down compared to the previous month from +7°C to +4°C. The minimum temperature also goes down from +3°C to 0°C.

Pack a sweater and a jacket as there will be cooler temperatures.

December is one of the coolest months in Ronneby, here is the comparison with other months:

December weather is still as bad as in November. It’s getting colder in December. From +7°C in the day, the average maximum temperature lowers to +4°C. As December arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 64 mm to 48 mm. Humidity levels don’t change as the month goes on, averaging around 88%. Winds are stronger in comparison to November, going up from 3 m/s to 4 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.

January brings much the same weather, it remains bad.

December is one of the snowiest months in Ronneby.

Here’s how December is compared with other months in the amount of snow, total mm:

The climate in Ronneby in December has not changed much over the last 43 years.

The average temperature was the lowest in 1987 (+8°C) and the highest in 2020 (+13°C). The driest year was 2005 with only 363 mm of rainfall, and the wettest year was 2014 with 911 mm.

For this page, we’ve looked at the typical weather in Ronneby, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.