Water or Wait

Watering gardens in London, Ontario

Water today

It is 6 days since any rain reached the roots.

Updated this morning

Has it rained enough in London?

Rain soaked properly in 6 days ago, and the ground is still holding some of it.

London has had 70.9mm of rain in the last 30 days. A normal August here brings 84.3mm, so the ground is roughly where it should be for the time of year.

Rain reaching the roots · 14 days
2 SeptToday

Rain in London through a normal year

Across a normal year London gets about 993.1mm of rain, most of it in June (101.7mm) and least in February (62.7mm).

That makes London one of the wetter places this site covers in Canada in August — 5th of 11, against Quebec City at the wet end (117.5mm) and Victoria at the dry end (20.4mm).

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Average rainfall by month, 1995–2024

What that means for what you grow

Your own garden, not the town average

This page is worked out for London as a whole. Your garden has its own soil, its own shade and its own planting, and the front page will use your exact location instead.

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