The bar chart below shows the average monthly peak daytime temperatures at Rybnik
		
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 0.4 | 2.5 | 7.5 | 13.4 | 18.5 | 21.5 | 23.1 | 22.8 | 18.8 | 13.8 | 6.9 | 1.9 | 
| °F | 32.7 | 36.5 | 45.6 | 56.1 | 65.3 | 70.7 | 73.6 | 73 | 65.8 | 56.9 | 44.3 | 35.4 | 
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 | 38 | 37 | 38 | 55 | 87 | 99 | 103 | 93 | 63 | 47 | 49 | 44 | 
| inches | 1.5 | 1.4 | 1.5 | 2.2 | 3.4 | 3.9 | 4.1 | 3.7 | 2.5 | 1.8 | 1.9 | 1.7 | 
| Rainy days | 15 | 14 | 14 | 13 | 15 | 16 | 15 | 14 | 13 | 12 | 16 | 17 | 
Average annual rainfall in Rybnik: 821.766mm (323.5 inches)
The bar chart below shows the average daily sunshine hours in Rybnik
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 1.8 | 2.7 | 4 | 5.5 | 7.1 | 7.4 | 7.6 | 7.2 | 5.4 | 4.2 | 2.1 | 1.5 | 
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 | -5.6 | -4.3 | -0.8 | 3.4 | 7.5 | 10.9 | 12.2 | 11.8 | 8.8 | 5 | 1 | -3.4 | 
| Max °C | 0.6 | 2.7 | 7.8 | 13.7 | 18.8 | 21.8 | 23.4 | 23.1 | 19 | 14.1 | 7 | 2 | 
| Min °F | 22 | 24.4 | 30.7 | 38 | 45.4 | 51.5 | 54 | 53.2 | 47.8 | 40.9 | 33.8 | 25.9 | 
| Max °F | 27.5 | 30.6 | 38.3 | 47.3 | 55.6 | 61.3 | 64 | 63.3 | 57 | 49.1 | 39.2 | 30.7 | 
The graph below shows the average sea temperature.
		
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 7.5 | 6.5 | 6.5 | 8 | 11.7 | 16.3 | 19.7 | 20.9 | 18.6 | 15.2 | 11.8 | 9.2 | 
| °F | 45.6 | 43.7 | 43.8 | 46.4 | 53 | 61.4 | 67.5 | 69.6 | 65.5 | 59.4 | 53.3 | 48.6 | 
The graph below shows the average wind speed.
		
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 14 | 13 | 14 | 12 | 11 | 10 | 10 | 9 | 10 | 12 | 14 | 14 | 
| mph | 9 | 8 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 7 | 9 | 9 | 
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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| 85% | 82% | 76% | 72% | 73% | 74% | 74% | 75% | 80% | 81% | 84% | 86% | 
| Hottest month: | July | 23.1°C 73.6°F | 
|---|---|---|
| Driest month: | February | 37mm 1.5ins | 
| Sunniest month: | August | 7.2hrs | 
| Coldest month: | January | 0.4°C 32.7°F | 
| Wettest month: | July | 103mm 4.1ins | 
| Warmest sea: | August | 20.9°C 69.6°F |