The bar chart below shows the average monthly peak daytime temperatures at Merrillville
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | -1.3 | 1.1 | 7.7 | 15 | 21.4 | 27 | 28.8 | 27.6 | 23.7 | 17.1 | 8.9 | 1.5 |
°F | 29.7 | 33.9 | 45.9 | 59 | 70.5 | 80.7 | 83.8 | 81.6 | 74.7 | 62.8 | 48.1 | 34.7 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
The graph below shows the average rainfall and number of rainy days per month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
mm | 44 | 38 | 65 | 98 | 93 | 106 | 99 | 90 | 92 | 72 | 77 | 62 |
inches | 1.7 | 1.5 | 2.5 | 3.8 | 3.7 | 4.2 | 3.9 | 3.5 | 3.6 | 2.8 | 3 | 2.4 |
Rainy days | 12 | 10 | 13 | 13 | 11 | 10 | 10 | 9 | 9 | 9 | 11 | 13 |
Average annual rainfall in Merrillville: 888.567mm (349.8 inches)
The bar chart below shows the average daily sunshine hours in Merrillville
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 4.8 | 5.5 | 6.5 | 7.9 | 9.7 | 11.1 | 11 | 9.9 | 8.3 | 6.8 | 4.2 | 3.7 |
The graph below shows the daily range of temperatures for each month.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Min °C | -10.6 | -8.5 | -2.4 | 3.1 | 8.5 | 13.9 | 16.5 | 15.4 | 11.4 | 5 | -0.2 | -6.9 |
Max °C | -1.1 | 1.3 | 8 | 15.3 | 21.7 | 27.4 | 29.1 | 27.9 | 24.1 | 17.4 | 9.2 | 1.7 |
Min °F | 13 | 16.7 | 27.8 | 37.6 | 47.3 | 56.9 | 61.7 | 59.6 | 52.4 | 41 | 31.7 | 19.6 |
Max °F | 21.6 | 25.5 | 37 | 48.6 | 59.2 | 69.1 | 73 | 70.9 | 63.9 | 52.2 | 40.1 | 27.3 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 4.4 | 3.6 | 3.5 | 4.5 | 6.9 | 12.5 | 19.3 | 21.8 | 19.7 | 14.3 | 9.4 | 6 |
°F | 39.9 | 38.5 | 38.4 | 40.1 | 44.4 | 54.6 | 66.7 | 71.3 | 67.5 | 57.7 | 48.9 | 42.9 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 20 | 19 | 21 | 20 | 17 | 16 | 14 | 14 | 15 | 17 | 18 | 19 |
mph | 12 | 12 | 13 | 13 | 11 | 10 | 9 | 9 | 9 | 10 | 11 | 12 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
The graph below shows the average relative humidity.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
---|---|---|---|---|---|---|---|---|---|---|---|
74% | 74% | 71% | 66% | 65% | 67% | 70% | 73% | 73% | 71% | 74% | 78% |
Hottest month: | July | 28.8°C 83.8°F |
---|---|---|
Driest month: | February | 38mm 1.5ins |
Sunniest month: | July | 11hrs |
Coldest month: | January | -1.3°C 29.7°F |
Wettest month: | June | 106mm 4.2ins |
Warmest sea: | August | 21.8°C 71.2°F |