Average Monthly Sunshine hours in Merrillville (IN)

This graph shows the average number of hours per month that Merrillville receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

• On average, July is the sunniest month with 319 hours of sunshine.
• December has on average the lowest amount of sunshine with 107 hours.
• On average, the total annual amount of sun is 2520 hours.

Forecast: is it sunny in Merrillville (IN)?

Fri   Nov 22

9°C | 2°C

NW 25 km/h

0.4 mm

overcast and chance of slight rain

hourly forecast

Sat   Nov 23

8°C | 3°C

SW 14 km/h

broken clouds and no rain

hourly forecast

Sun   Nov 24

12°C | 3°C

S 14 km/h

broken clouds and no rain

hourly forecast

5-Day Forecast 10-Day Forecast