Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in London, Ontario, Canada in March

In an average March, London sees a daily high around 5°C and a low around -4°C, based on 1981–2026 of local climate records.

Average high5°C
Typical high range-2°C to 13°C
Average low-4°C
Typical low range-10°C to 1°C
Average daily precipitation3 mm

March records

The most extreme March on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total March accumulation.

High

Highest 27°C 2012-03-22
Lowest -11°C 1996-03-08

Low

Highest 12°C 1998-03-31
Lowest -23°C 2015-03-06

Feels-like

Highest 12°C 1998-03-31
Lowest -36°C 2015-03-06

Humidity

Highest 12.4 g/m³ 2012-03-19
Lowest 1.1 g/m³ 2003-03-03

Wind

Highest 69 km/h 2017-03-08
Lowest 7 km/h 2006-03-23

Precip

Wettest 116 mm 1985
Driest 16 mm 2021

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