Water or Wait

Watering gardens in Ottawa, Ontario

Water today

It is 6 days since any rain reached the roots.

Updated this morning

Has it rained enough in Ottawa?

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

Ottawa has had 27.4mm of rain in the last 30 days. A normal August here brings 97.2mm — and the driest August in the last 30 years still managed 51mm. This is drier than anything on that record.

Rain reaching the roots · 14 days
2 SeptToday

Rain in Ottawa through a normal year

Across a normal year Ottawa gets about 1039.2mm of rain, most of it in June (105.8mm) and least in February (59.8mm).

That makes Ottawa one of the wetter places this site covers in Canada in August — 4th 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 Ottawa 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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