March weather forecast
London, United Kingdom

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The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom
The large Thames river overlooking the Westminster Palace and the Big Ben clock tower in London, United Kingdom

Weather in March

March signals the advent of spring in London, bringing a general uplifting mood due to the milder, more agreeable weather. The snowfall completely recedes, giving way to a largely frost-free environment. Relative to February, both temperatures and daylight hours start to increase, promising the arrival of more pleasant days. Prospects for April signal an even greater uplift in weather conditions. In March, an average relative humidity of 80%, the third highest in the year, keeps the air rather moist.

Temperature

The start of March in London, United Kingdom, brings a subtle rise in the average high-temperature, moving from a frosty 7.6°C in February to a cool 10.6°C. During the month of March, London anticipates a mean low-temperature of 3.7°C.

Humidity

The average relative humidity in March in London, United Kingdom, is 80%.

Rainfall

In March, the rain falls for 11.5 days. Throughout March, 24mm of precipitation is accumulated. Throughout the year, in London, United Kingdom, there are 151.7 rainfall days, and 370mm of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In London, United Kingdom, in March, snow falls for 1.2 days, with typically accumulated 7mm of snow. Throughout the year, in London, there are 7.7 snowfall days, and 50mm of snow is accumulated.

Daylight

The average length of the day in March is 11h and 55min.
On the first day of March, sunrise is at 6:45 am and sunset at 5:39 pm GMT. On the last day of the month, sunrise is at 6:38 am and sunset at 7:31 pm BST.
Note: On Sunday, 26. March 2023, at 1:00 am, Daylight Saving Time starts, and the time zone changes from GMT to BST. Daylight Saving Time lasts until Sunday, 29. October 2023, at 2:00 am; consequently, the time zone reverts from BST to GMT.

Sunshine

In London, the average sunshine in March is 5.4h.

UV index

In London, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 3 in March leads to these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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FAQ

What is the average March temperature in London?

In March, in London, the average high-temperature is 10.6°C, and the average low-temperature is 3.7°C.

What is the average humidity in March in London?

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

How much does it rain in London in March?

In London, United Kingdom, in March, it is raining for 11.5 days, with typically 24mm of accumulated precipitation.

How much does it snow in London in March?

In March, it is snowing for 1.2 days. Throughout March, 7mm of snow is accumulated.

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

The average day length in March in London, United Kingdom, is 11h and 55min.

When is the sunrise / sunset in March in London?

In March, on the first day of the month, sunrise is at 6:45 am and sunset at 5:39 pm GMT. On the last day of the month, in London, United Kingdom, sunrise is at 6:38 am and sunset at 7:31 pm BST.

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

On Sunday, 26. March 2023, at 1:00 am, Daylight Saving Time starts in London, United Kingdom, and the time zone changes from GMT to BST. DST ends on Sunday, 29. October 2023, at 2:00 am.

How many hours of sunshine does London have in March?

In March, the average sunshine duration is 5.4h.

What is the UV index intensity in March in London?

In March, the average daily maximum UV index in London is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in March
London, United Kingdom

Average temperature in March - London, United Kingdom
  • Average high temperature in March: 10.6°C

The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in March: 3.7°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).

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Average pressure in March
London, United Kingdom

Average pressure in March - London, United Kingdom
  • Average pressure in March: 1015.5mbar

The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).

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Average wind speed in March
London, United Kingdom

Average wind speed in March - London, United Kingdom
  • Average wind speed in March: 15.9km/h

The windiest month (with the highest average wind speed) is February (17.3km/h).
The calmest month (with the lowest average wind speed) is September (12.6km/h).

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Average humidity in March
London, United Kingdom

Average humidity in March - London, United Kingdom
  • Average humidity in March: 80%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in March
London, United Kingdom

Average rainfall in March - London, United Kingdom
  • Average rainfall in March: 24mm

The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is April (22mm).

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Average rainfall days in March
London, United Kingdom

Average rainfall days in March - London, United Kingdom
  • Average rainfall days in March: 11.5 days

The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (9.8 days).

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Average snowfall in March
London, United Kingdom

Average snowfall in March - London, United Kingdom
  • Average snowfall in March: 7mm

The month with the highest snowfall is February (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in March
London, United Kingdom

Average snowfall days in March - London, United Kingdom
  • Average snowfall days in March: 1.2 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in March /
Average sunshine in March
London, United Kingdom

Average daylight in March / Average sunshine in March - London, United Kingdom
  • Average daylight in March: 11h and 5min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in March: 5h and 2min

The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).

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Average sunshine days in March
London, United Kingdom

Average sunshine days in March - London, United Kingdom
  • Average sunshine days in March: 16.2 days

The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is June (12.2 days).

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Average UV index in March
London, United Kingdom

Average UV index in March - London, United Kingdom
  • Average UV index in March: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in March
London, United Kingdom

Average cloud cover in March - London, United Kingdom
  • Average cloud cover in March: 56

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).

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Average visibility in March
London, United Kingdom

Average visibility in March - London, United Kingdom
  • Average visibility in March: 9km

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

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London, United Kingdom

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