The bar chart below shows the average monthly peak daytime temperatures at Carmarthen
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 6.8 | 6.8 | 8.5 | 11.2 | 14.1 | 16.9 | 18.6 | 18.4 | 16.4 | 13.5 | 9.7 | 7.8 |
°F | 44.3 | 44.2 | 47.3 | 52.1 | 57.4 | 62.4 | 65.5 | 65.2 | 61.5 | 56.3 | 49.5 | 46.1 |
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 | 154 | 101 | 112 | 84 | 84 | 87 | 86 | 112 | 127 | 156 | 154 | 162 |
inches | 6.1 | 4 | 4.4 | 3.3 | 3.3 | 3.4 | 3.4 | 4.4 | 5 | 6.2 | 6.1 | 6.4 |
Rainy days | 20 | 15 | 18 | 14 | 15 | 14 | 13 | 15 | 16 | 19 | 20 | 20 |
Average annual rainfall in Carmarthen: 1465.867mm (577.1 inches)
The bar chart below shows the average daily sunshine hours in Carmarthen
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Hrs sunshine | 1.9 | 2.9 | 3.8 | 5.9 | 6.9 | 6.8 | 6.5 | 6 | 4.7 | 3.4 | 2.5 | 1.7 |
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 | 1.7 | 1.3 | 2.4 | 3.9 | 6.5 | 9.3 | 11.2 | 11.2 | 9.5 | 7.4 | 4 | 2.5 |
Max °C | 7 | 6.9 | 8.7 | 11.4 | 14.3 | 17.1 | 18.8 | 18.6 | 16.6 | 13.7 | 9.9 | 8 |
Min °F | 35 | 34.3 | 36.2 | 38.9 | 43.7 | 48.7 | 52.2 | 52.2 | 49 | 45.2 | 39.1 | 36.4 |
Max °F | 39.7 | 39.4 | 41.9 | 45.7 | 50.7 | 55.8 | 59 | 58.8 | 55.4 | 50.9 | 44.4 | 41.4 |
The graph below shows the average sea temperature.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 9.7 | 8.8 | 8.6 | 9.4 | 11.1 | 13.3 | 15.3 | 16.2 | 15.9 | 14.6 | 12.8 | 11.2 |
°F | 49.5 | 47.9 | 47.5 | 48.9 | 51.9 | 55.9 | 59.5 | 61.2 | 60.6 | 58.3 | 55.1 | 52.1 |
The graph below shows the average wind speed.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
km/h | 24 | 23 | 23 | 19 | 18 | 17 | 16 | 17 | 19 | 21 | 23 | 25 |
mph | 15 | 14 | 14 | 12 | 11 | 10 | 10 | 11 | 12 | 13 | 15 | 15 |
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% | 89% | 87% | 85% | 84% | 85% | 86% | 87% | 89% | 90% | 90% | 92% |
Hottest month: | July | 18.6°C 65.5°F |
---|---|---|
Driest month: | April | 84mm 3.3ins |
Sunniest month: | May | 6.9hrs |
Coldest month: | February | 6.8°C 44.2°F |
Wettest month: | December | 162mm 6.4ins |
Warmest sea: | August | 16.2°C 61.2°F |