March weather forecast
London, Canada

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Weather in March

March heralds the beginning of thawing with the transition into spring. Weather conditions change noticeably compared to February, with an average high temperature of 3.9°C (39°F). Snow gives way to rain, prompting the trees to shake off their winter slumbers and bud anew. A new rhythm enters the city as the days extend to 12 hours. London's natural life slowly awakens from its winter hibernation under the softening weather conditions of March.

Temperature

A shift in the average high-temperature is noticeable in March in London, Canada, changing from a freezing cold -1.7°C (28.9°F) in February to a cold 3.9°C (39°F). Throughout the month of March, London witnesses an average temperature of -3.3°C (26.1°F).

Humidity

In March, the average relative humidity is 80%.

Rainfall

March is the month with the least rainfall in London. Rain falls for 9.3 days and accumulates 20mm (0.79") of precipitation.

Snowfall

Months with snowfall in London, Canada, are January through May, October through December. In London, in March, snow falls for 9.3 days, with typically accumulated 25mm (0.98") of snow. In London, during the entire year, snow falls for 68.4 days and aggregates up to 277mm (10.91") of snow.

Daylight

In March, the average length of the day is 11h and 58min.
On the first day of the month, sunrise is at 6:59 am and sunset at 6:14 pm EST. On the last day of March, in London, sunrise is at 7:07 am and sunset at 7:50 pm EDT.
Note: On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time lasts until Sunday, 03. November 2024, at 2:00 am; consequently, the time zone reverts from EDT to EST.

Sunshine

In London, the average sunshine in March is 5.1h.

UV index

In March, the average daily maximum UV index in London is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 2 during March leads to these instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.

Frequently asked questions

How cold is March in London?

The high-temperature, in March, in London, records 3.9°C (39°F), while the low-temperature is -3.3°C (26.1°F).

What is the average humidity in March in London?

In London, the average relative humidity in March is 80%.

What is the driest month in London?

The month with the least rainfall is March, when the rain falls for 9.3 days and typically collects 20mm (0.79") of precipitation.

How much does it rain in London in March?

In March, in London, Canada, the rain falls for 9.3 days. Throughout March, 20mm (0.79") of precipitation is accumulated.

How much does it snow in London in March?

In London, in March, snow falls for 9.3 days, with typically accumulated 25mm (0.98") of snow.

What is the average length of the day in March in London?

The average day length in March in London is 11h and 58min.

When are sunrise and sunset in March in London?

In March, on the first day of the month, sunrise is at 6:59 am and sunset at 6:14 pm EST. On the last day of the month, sunrise is at 7:07 am and sunset at 7:50 pm EDT.

When does Daylight Saving Time (DST) start in March in London?

On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. DST ends on Sunday, 03. November 2024, at 2:00 am.

How many hours of sunshine does London have in March?

In March, the average sunshine duration in London is 5.1h.

How high is the UV index in March in London?

In March, the average daily maximum UV index in London, Canada, is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
London, Canada

Average temperature in March - London, Canada
  • Average high temperature in March: 3.9°C

The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (-2.8°C).

  • Average low temperature in March: -3.3°C

The month with the highest average low temperature is July (15.4°C).
The coldest months (with the lowest average low temperature) are January and February (-8.2°C).

Average pressure in March
London, Canada

Average pressure in March - London, Canada
  • Average pressure in March: 1018.7mbar

The month with the highest atmospheric pressure is March (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).

Average wind speed in March
London, Canada

Average wind speed in March - London, Canada
  • Average wind speed in March: 16.5km/h

The windiest month (with the highest average wind speed) is January (17.9km/h).
The calmest month (with the lowest average wind speed) is July (10.4km/h).

Average humidity in March
London, Canada

Average humidity in March - London, Canada
  • Average humidity in March: 80%

The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (75%).

Average rainfall in March
London, Canada

Average rainfall in March - London, Canada
  • Average rainfall in March: 20mm

The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is March (20mm).

Average rainfall days in March
London, Canada

Average rainfall days in March - London, Canada
  • Average rainfall days in March: 9.3 days

The month with the highest number of rainy days is May (14.1 days).
The months with the least rainy days are January and February (5.7 days).

Average snowfall in March
London, Canada

Average snowfall in March - London, Canada
  • Average snowfall in March: 25mm

The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in March
London, Canada

Average snowfall days in March - London, Canada
  • Average snowfall days in March: 9.3 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in March /
Average sunshine in March
London, Canada

Average daylight in March / Average sunshine in March - London, Canada
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in March: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).

Average sunshine days in March
London, Canada

Average sunshine days in March - London, Canada
  • Average sunshine days in March: 13.7 days

The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is January (9.3 days).

Average UV index in March
London, Canada

Average UV index in March - London, Canada
  • Average UV index in March: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).

Average cloud cover in March
London, Canada

Average cloud cover in March - London, Canada
  • Average cloud cover in March: 58

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in March
London, Canada

Average visibility in March - London, Canada
  • Average visibility in March: 9km

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).

London, Canada

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