Merrillville, IN weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in Merrillville now

Loading the National Weather Service forecast…

Merrillville weather by the hour

Merrillville weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Merrillville.

This week in Merrillville

Sunrise, sunset and moon in Merrillville

What is the weather usually like in Merrillville?

Dfa
Hot-summer humid continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

10°30°49°69°88°31°15°Jan36°18°Feb47°27°Mar60°38°Apr71°49°May81°59°Jun83°63°Jul82°60°Aug77°53°Sep64°41°Oct49°30°Nov37°21°Dec

Average precipitation (inches)

2.3"Jan1.9"Feb2.3"Mar3.7"Apr4.2"May5.1"Jun4.3"Jul4.3"Aug3.3"Sep3.6"Oct2.6"Nov2.2"Dec

Best time to visit Merrillville: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station LOWELL, IN US (USC00125174), adjusted for the elevation of Merrillville.

Merrillville weather month by month

January
31° 15°F
2.3 in of rain · 6 wet days❄ 9.7 in of snow
February
36° 18°F
1.9 in of rain · 5 wet days❄ 9.3 in of snow
March
47° 27°F
2.3 in of rain · 6 wet days❄ 3.4 in of snow
April
60° 38°F
3.7 in of rain · 8 wet days❄ 0.3 in of snow
May
71° 49°F
4.2 in of rain · 8 wet days
June
81° 59°F
5.1 in of rain · 7 wet days
July
83° 63°F
4.3 in of rain · 7 wet days
August
82° 60°F
4.3 in of rain · 6 wet days
September
77° 53°F
3.3 in of rain · 6 wet days
October
64° 41°F
3.6 in of rain · 6 wet days❄ 0.2 in of snow
November
49° 30°F
2.6 in of rain · 6 wet days❄ 0.9 in of snow
December
37° 21°F
2.2 in of rain · 6 wet days❄ 5.9 in of snow

Sunrise and sunset in Merrillville through the year

MonthSunriseSunsetDaylight
January7:11 AM4:46 PM9 h 34 min
February6:42 AM5:24 PM10 h 41 min
March6:59 AM6:57 PM11 h 58 min
April6:07 AM7:31 PM13 h 23 min
May5:28 AM8:03 PM14 h 34 min
June5:13 AM8:26 PM15 h 13 min
July5:27 AM8:23 PM14 h 55 min
August5:57 AM7:50 PM13 h 53 min
September6:28 AM7:00 PM12 h 31 min
October7:00 AM6:09 PM11 h 9 min
November6:36 AM4:31 PM9 h 54 min
December7:07 AM4:21 PM9 h 14 min

Times for the 15th of each month, local time (America/Chicago).

What is the weather like in Merrillville?

Merrillville has a hot-summer humid continental climate. The warmest month is July, with an average high of 83°F (29°C), and the coldest is January, with average lows of 15°F (-9°C).

It gets about 39.9 inches (1,013 mm) of precipitation a year. The wettest month is June and the driest is February. Snow is common: about 30 inches fall in an average year.

The best time to visit Merrillville is June to September. At 656 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

More about Merrillville

Weather in towns near Merrillville

Questions about the weather in Merrillville

What is the hottest month in Merrillville?

July, with an average high of 83°F (29°C).

What is the coldest month in Merrillville?

January, with an average low of 15°F (-9°C).

How much does it rain in Merrillville?

About 39.9 inches (1,013 mm) a year; the wettest month is June.

Does it snow in Merrillville?

Yes, about 30 inches of snow fall in an average year.

When is the best time to visit Merrillville?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does Merrillville have?

Hot-summer humid continental (Köppen Dfa).

What is the weather like in Merrillville in November?

Highs average 49°F and lows 30°F, with about 2.6 inches of precipitation.

What time is sunrise in Merrillville?

Around 6:36 AM in mid-November, and sunset around 4:31 PM. Today’s exact times are shown above.

Where does this Merrillville weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Merrillville.

All about Merrillville ›

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