Water or Wait

Watering gardens in Portsmouth, Hampshire

Water today

It is over a week since any rain reached the roots.

Updated this morning

Has it rained enough in Portsmouth?

Rain soaked properly in 7 days ago, and the ground is still holding some of it.

Portsmouth has had 64.7mm of rain in the last 30 days. A normal August here brings 58.8mm, so the ground is roughly where it should be for the time of year.

Rain reaching the roots · 14 days
2 SeptToday

Rain in Portsmouth through a normal year

Across a normal year Portsmouth gets about 750.3mm of rain, most of it in October (86.7mm) and least in April (47.7mm).

That makes Portsmouth the driest place this site covers in the United Kingdom in August — 58.8mm against Glasgow's 108.3mm at the other end.

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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 Portsmouth 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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