Unna Temperature by Month
Unna in North Rhine-Westphalia, Germany sees significant seasonal temperature differences, with daytime highs between 6°C (43°F) in January and 24°C (75°F) in July, averaging 15°C (59°F) annually. Explore the full monthly breakdown below.
Unna Monthly Temperatures
The weather in Unna experiences significant differences between warm and cold seasons, with big shifts in temperature. At night, minimum temperatures range from 14°C (57°F) in July to 0°C (32°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Unna 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 223 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Unna vs Germany
The map below shows the annual temperature across Germany. You can also select individual months if you want to compare a specific time of year.
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Unna vs World: Temperature Compared
Unna's average annual maximum temperature is 15°C (59°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.
Reykjavík, Iceland averages 9°C (48°F) a year — mild summers by Icelandic standards, but cold winters and frequent wind.
Boston, USA averages 16°C (61°F) annually, with four distinct seasons and cold winters that rival northern Europe.
Brisbane, Australia averages 26°C (79°F) a year, with warm winters and hot, humid summers.
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 Unna this rarely lasts long on the ground.
For more on Unna's weather — including monthly rainfall, sunshine hours, and humidity — visit our Unna climate page.
