The bar chart below shows the average monthly peak daytime temperatures at Swindon
 
		 
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 6.2 | 6.5 | 9.1 | 11.9 | 15.5 | 18.9 | 20.8 | 20.4 | 17.8 | 14 | 9.2 | 7.2 | 
| °F | 43.1 | 43.7 | 48.3 | 53.5 | 59.9 | 66 | 69.5 | 68.7 | 64 | 57.1 | 48.6 | 44.9 | 
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 | 65 | 48 | 59 | 47 | 57 | 56 | 46 | 58 | 59 | 62 | 62 | 72 | 
| inches | 2.5 | 1.9 | 2.3 | 1.9 | 2.2 | 2.2 | 1.8 | 2.3 | 2.3 | 2.4 | 2.4 | 2.9 | 
| Rainy days | 17 | 15 | 17 | 15 | 15 | 14 | 14 | 15 | 16 | 18 | 18 | 19 | 
Average annual rainfall in Swindon: 739.433mm (291.1 inches)
The bar chart below shows the average daily sunshine hours in Swindon
 
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 1.9 | 2.7 | 3.9 | 5.3 | 6.6 | 7 | 6.8 | 6.3 | 5.1 | 3.6 | 2.6 | 1.8 | 
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 | 0.7 | 0.6 | 1.8 | 3.5 | 6.3 | 9.3 | 11.2 | 11 | 9.2 | 6.7 | 3 | 1.5 | 
| Max °C | 6.3 | 6.7 | 9.3 | 12.2 | 15.8 | 19.1 | 21.1 | 20.6 | 18 | 14.2 | 9.4 | 7.3 | 
| Min °F | 33.3 | 33 | 35.2 | 38.2 | 43.3 | 48.7 | 52.1 | 51.8 | 48.6 | 44 | 37.4 | 34.7 | 
| Max °F | 38.3 | 38.5 | 41.9 | 46 | 51.8 | 57.6 | 61 | 60.4 | 56.5 | 50.7 | 43.2 | 39.9 | 
The graph below shows the average sea temperature.
 
		 
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 9.6 | 8.7 | 8.7 | 9.5 | 11.1 | 13.2 | 15.3 | 16.6 | 16.5 | 15.3 | 13.4 | 11.3 | 
| °F | 49.4 | 47.6 | 47.6 | 49.2 | 52.1 | 55.8 | 59.6 | 61.9 | 61.7 | 59.5 | 56.1 | 52.4 | 
The graph below shows the average wind speed.
 
		 
		| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 18 | 18 | 18 | 17 | 16 | 14 | 14 | 14 | 14 | 15 | 16 | 17 | 
| mph | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 
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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| 91% | 88% | 83% | 80% | 78% | 77% | 77% | 79% | 83% | 87% | 90% | 92% | 
| Hottest month: | July | 20.8°C 69.4°F | 
|---|---|---|
| Driest month: | July | 46mm 1.8ins | 
| Sunniest month: | August | 6.3hrs | 
| Coldest month: | January | 6.2°C 43.2°F | 
| Wettest month: | December | 72mm 2.8ins | 
| Warmest sea: | August | 16.6°C 61.9°F | 
 
	 
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