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 shift into March in London is accompanied by a modest temperature increase, with the average high-temperature edging up from a frosty 7.6°C (45.7°F) in February to a fresh 10.6°C (51.1°F). London in March experiences a low-temperature average of 3.7°C (38.7°F).

Humidity

In March, the average relative humidity is 80%.

Rainfall

In London, in March, during 11.5 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 151.7 rainfall days, and 370mm (14.57") of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in London. In March, in London, it is snowing for 1.2 days. Throughout March, 7mm (0.28") of snow is accumulated. In London, during the entire year, snow falls for 7.7 days and aggregates up to 50mm (1.97") of snow.

Daylight

In London, the average length of the day in March is 11h and 55min.
On the first day of the month, sunrise is at 6:44 am and sunset at 5:41 pm. On the last day of March, in London, sunrise is at 5:36 am and sunset at 6:32 pm GMT.

Sunshine

The average sunshine in March in London 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 health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 3 in March transforms into this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

What are March temperatures in London?

London in March has an average high-temperature of 10.6°C (51.1°F) and an average low-temperature of 3.7°C (38.7°F).

What is the average humidity in March in London?

The average relative humidity in March in London is 80%.

How many days does it rain in March in London?

In London, United Kingdom, in March, it is raining for 11.5 days, with typically 24mm (0.94") of accumulated precipitation.

How many days does it snow in March in London?

In London, United Kingdom, during March, snow falls for 1.2 days and regularly aggregates up to 7mm (0.28") of snow.

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

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

When are sunrise and sunset in March in London?

On the first day of March, sunrise is at 6:44 am and sunset at 5:41 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 6:32 pm GMT.

How long on average sun shines in March in London?

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

What is the UV index reading in March in London?

The average daily maximum UV index in March in London is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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, 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).

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).

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).

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%).

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).

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).

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).

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).

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).

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).

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).

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).

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).

London, United Kingdom

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