March weather forecast
Harrow on the Hill, United Kingdom

March

Weather in March

The first month of the spring, March, is a fresh month in Harrow on the Hill, United Kingdom, with an average temperature fluctuating between 3.3°C (37.9°F) and 10.4°C (50.7°F).

Temperature

Upon the beginning of March, Harrow on the Hill's high-temperatures register at a fresh 10.4°C (50.7°F), closely mirroring the preceding month. In March, Harrow on the Hill's temperature tends to fall to an average low of 3.3°C (37.9°F) during the night.

Humidity

In Harrow on the Hill, the average relative humidity in March is 81%.

Rainfall

In Harrow on the Hill, United Kingdom, in March, during 12.7 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, in Harrow on the Hill, there are 165.8 rainfall days, and 345mm (13.58") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. March is the last month it regularly snows. During 0.7 snowfall days, in March, Harrow on the Hill aggregates 5mm (0.2") of snow. In Harrow on the Hill, United Kingdom, during the entire year, snow falls for 5.5 days and aggregates up to 40mm (1.57") of snow.

Daylight

The average length of the day in March in Harrow on the Hill is 11h and 55min.
On the first day of the month, sunrise is at 6:45 am and sunset at 5:42 pm. On the last day of March, in Harrow on the Hill, sunrise is at 5:37 am and sunset at 6:33 pm GMT.

Sunshine

In March, the average sunshine in Harrow on the Hill is 5.6h.

UV index

The average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 3 in March converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

What is the average March temperature in Harrow on the Hill?
The average high-temperature, in March, in Harrow on the Hill, is 10.4°C (50.7°F), while the average low-temperature is 3.3°C (37.9°F).
What is the average humidity in March in Harrow on the Hill?
The average relative humidity in March in Harrow on the Hill is 81%.
How much does it rain in Harrow on the Hill in March?
In Harrow on the Hill, during March, the rain falls for 12.7 days and regularly aggregates up to 22mm (0.87") of precipitation.
What is the last month it snows in Harrow on the Hill?
March is the last month it regularly snows in Harrow on the Hill. During 0.7 snowfall days, in March, Harrow on the Hill aggregates 5mm (0.2") of snow.
How many hours of daylight does Harrow on the Hill have in March?
The average day length in March in Harrow on the Hill is 11h and 55min.
When is the sunrise / sunset in March in Harrow on the Hill?
On the first day of March in Harrow on the Hill, sunrise is at 6:45 am and sunset at 5:42 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 6:33 pm GMT.
How many hours of sunshine does Harrow on the Hill have in March?
The average sunshine duration in March in Harrow on the Hill is 5.6h.
What is the UV index reading in March in Harrow on the Hill?
In Harrow on the Hill, the average daily maximum UV index in March is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's 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 - Harrow on the Hill, United Kingdom
Average temperature in March
Harrow on the Hill, United Kingdom
  • Average high temperature in March: 10.4°C

The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (6.7°C).

  • Average low temperature in March: 3.3°C

The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (1.9°C).

Average pressure in March - Harrow on the Hill, United Kingdom
Average pressure in March
Harrow on the Hill, 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 (1010.5mbar).

Average wind speed in March - Harrow on the Hill, United Kingdom
Average wind speed in March
Harrow on the Hill, United Kingdom
  • Average wind speed in March: 16.1km/h

The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).

Average humidity in March - Harrow on the Hill, United Kingdom
Average humidity in March
Harrow on the Hill, United Kingdom
  • Average humidity in March: 81%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).

Average rainfall in March - Harrow on the Hill, United Kingdom
Average rainfall in March
Harrow on the Hill, United Kingdom
  • Average rainfall in March: 22mm

The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is January (19mm).

Average rainfall days in March - Harrow on the Hill, United Kingdom
Average rainfall days in March
Harrow on the Hill, United Kingdom
  • Average rainfall days in March: 12.7 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (10.8 days).

Average snowfall in March - Harrow on the Hill, United Kingdom
Average snowfall in March
Harrow on the Hill, United Kingdom
  • Average snowfall in March: 5mm

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

Average snowfall days in March - Harrow on the Hill, United Kingdom
Average snowfall days in March
Harrow on the Hill, United Kingdom
  • Average snowfall days in March: 0.7 days

The month with the highest number of snowfall days is February (2.1 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 - Harrow on the Hill, United Kingdom
Average daylight in March /
Average sunshine in March
Harrow on the Hill, 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 4min

The months with the most sunshine are July and August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in March - Harrow on the Hill, United Kingdom
Average sunshine days in March
Harrow on the Hill, United Kingdom
  • Average sunshine days in March: 14.3 days

The month with the most sunshine days is December (16.3 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in March - Harrow on the Hill, United Kingdom
Average UV index in March
Harrow on the Hill, 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 - Harrow on the Hill, United Kingdom
Average cloud cover in March
Harrow on the Hill, United Kingdom
  • Average cloud cover in March: 54

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

Average visibility in March - Harrow on the Hill, United Kingdom
Average visibility in March
Harrow on the Hill, United Kingdom
  • Average visibility in March: 9km

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

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