Normally the average weather in Welwyn Garden City in August is 15 with a normal high in the month being 21 and typical average low being around 11. Discover more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 15 |
| High Temperature | 21 |
| Low Temperature | 11 |
| Sunshine Per Day | 7 |
Useful Links: Welwyn Garden City Weather: Average Weather & Yearly Climate