The growing year in London
Observed averages for 2016–2025 — not a forecast. Today's weather is below.
Last spring frost
6 April
First autumn frost
20 November
Frost-free season
228 days
Rain per year
718 mm · 132 days
These come from the ERA5 reanalysis on a roughly 9 km grid, so they describe the area rather than your plot. A hollow, a frost pocket or an exposed site regularly runs several degrees colder, so use the cautious date for a decision you cannot undo.
United Kingdom
Garden weather in London
Free, no-signup garden weather for London, United Kingdom. A hyper-local hourly and 7-day forecast turned into decisions a gardener can use — frost risk, spray windows, soil temperature, watering need, and the best days to plant by the moon.
What you'll see for London
- Overnight frost risk and the next dry, low-wind spray window.
- Soil temperature and moisture, so you sow and transplant at the right time.
- Watering intelligence (ET₀ vs rainfall) for local conditions.
- Lunar planting calendar, sun path, air quality and pollen.
- Historical comparisons and frost-date estimates for your area.
Garden diseases to watch in London
The local forecast drives disease pressure. Open any disease to see whether conditions favour it right now where you garden.
Browse the full plant disease & pest database →