UV Index
UV Index
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Today's UV index in Milwaukee, United States 
will be up to 5.9, indicating a moderate level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With a UV index reaching up to 5.9 in Milwaukee, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
Milwaukee's UV index is relatively moderate, with an annual average of 4.3, peaking in July at 7.5 and lowest in December at 1.5. This is comparable to other Midwestern cities, but lower than southern and western US regions.
Milwaukee experiences a humid continental climate, with four distinct seasons. Winters are cold and snowy, with average temperatures around 24°F (-4°C), while summers are warm and humid, with averages around 73°F (23°C). Spring and fall are mild and pleasant.
Compared to neighboring countries, Milwaukee's climate is similar to southern Ontario, Canada, with similar temperature and precipitation patterns. However, Milwaukee's climate is slightly warmer and more humid than northern European cities, such as Stockholm, Sweden, due to its inland location and proximity to Lake Michigan.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Milwaukee. It's designed to provide you with a better understanding of the yearly weather and sun exposure.