Average percent of sunshine in Merrillville (IN)
The mean percent of sunhours during the day in Merrillville (Indiana), the United States of America.
- The sun shines on average 69.0% in July making it the most sunny month.
- On average, December has the lowest percentage of sunshine with 37.0%.
Forecast: is it sunny in Merrillville (IN)?
overcast and chance of slight rain
broken clouds and no rain
broken clouds and no rain