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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- 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
Weather in January
January, the same as December, in Harrow Weald, United Kingdom, is another chilly winter month, with an average temperature varying between 1.9°C (35.4°F) and 6.7°C (44.1°F). January is Harrow Weald's coldest month, registering average high temperatures of 6.7°C (44.1°F) and lows of 1.9°C (35.4°F). Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Harrow Weald, United Kingdom, with an average temperature fluctuating between 7.5°C (45.5°F) and 2.5°C (36.5°F). Harrow Weald starts February with an average high-temperature of a still chilly 7.5°C (45.5°F), a minor shift from January's 6.7°C (44.1°F). Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Harrow Weald, United Kingdom, with an average temperature ranging between min 3.3°C (37.9°F) and max 10.4°C (50.7°F). With the onset of March, Harrow Weald's average high-temperature clocks in at a fresh 10.4°C (50.7°F), showing a minor fluctuation from the previous month. Weather in March »
Weather in April
April is a refreshing spring month in Harrow Weald, United Kingdom, with an average temperature ranging between min 5.4°C (41.7°F) and max 14.2°C (57.6°F). As Harrow Weald enters April, the average high-temperature marginally increases from the a fresh 10.4°C (50.7°F) of March to a refreshing 14.2°C (57.6°F). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Harrow Weald, United Kingdom, with an average temperature fluctuating between 16.5°C (61.7°F) and 7.9°C (46.2°F). The start of May marks an average high-temperature of a comfortable 16.5°C (61.7°F), hardly distinguishable from the conditions in April. Weather in May »
Weather in June
The first month of the summer, June, is still a refreshing month in Harrow Weald, United Kingdom, with an average temperature ranging between max 19.5°C (67.1°F) and min 10.8°C (51.4°F). The shift into June is characterized by a subtle rise in the average high-temperature, transitioning from May's 16.5°C (61.7°F) to a still comfortable 19.5°C (67.1°F). Weather in June »
Weather in July
July in Harrow Weald, United Kingdom, is a pleasant summer month, with an average temperature fluctuating between 13.2°C (55.8°F) and 21.8°C (71.2°F). July is the warmest month, exhibiting average temperatures of 21.8°C (71.2°F) at the peak and 13.2°C (55.8°F) at the base. Weather in July »
Weather in August
The last month of the summer, August, is another pleasant month in Harrow Weald, United Kingdom, with temperature in the range of an average low of 13.7°C (56.7°F) and an average high of 21.6°C (70.9°F). An average high-temperature of a still pleasant 21.6°C (70.9°F) marks August, exhibiting a close resemblance to the conditions in July. Weather in August »
Weather in September
September, the first month of the autumn in Harrow Weald, is still a refreshing month, with an average temperature fluctuating between 11.2°C (52.2°F) and 18.8°C (65.8°F). Harrow Weald marks the start of September with an average high-temperature of an enjoyable 18.8°C (65.8°F), hinting at a slight fluctuation from August's 21.6°C (70.9°F). Weather in September »
Weather in October
October, the same as September, in Harrow Weald, United Kingdom, is another mild autumn month, with an average temperature varying between 8.9°C (48°F) and 15°C (59°F). Harrow Weald records a mild change in average high-temperature during October, easing from an enjoyable 18.8°C (65.8°F) in September to a still refreshing 15°C (59°F). Weather in October »
Weather in November
November, the last month of the autumn in Harrow Weald, is another cool month, with temperature in the range of an average low of 5.6°C (42.1°F) and an average high of 10.2°C (50.4°F). Transitioning from October to November involves a subtle drop in average high-temperatures, descending from a mild 15°C (59°F) to a fresh 10.2°C (50.4°F). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Harrow Weald, United Kingdom, with an average temperature ranging between min 3.3°C (37.9°F) and max 7.6°C (45.7°F). Harrow Weald experiences a subtle adjustment in high-temperatures to a chilly 7.6°C (45.7°F) with the onset of December, maintaining near parity with November's 10.2°C (50.4°F). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Harrow Weald?
January tends to be the coldest month, with temperatures averaging a daily high of 6.7°C (44.1°F) and a low of 1.9°C (35.4°F).
What is the driest month in Harrow Weald?
The month with the least rainfall is January, when the rain falls for 11 days and typically collects 19mm (0.75") of precipitation.
How much does it rain in Harrow Weald?
In Harrow Weald, during the entire year, the rain falls for 165.8 days and collects up to 345mm (13.58") of precipitation.
When does it snow in Harrow Weald?
January through March, November and December are months with snowfall in Harrow Weald.
How much does it snow in Harrow Weald?
In Harrow Weald, during the entire year, snow falls for 5.5 days and aggregates up to 40mm (1.57") of snow.
What is the month with the lowest UV index in Harrow Weald?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most in Harrow Weald?
February is the month with the most snowfall in Harrow Weald. Snow falls for 2.1 days and accumulates 16mm (0.63") of snow.
What is the month with the least sunshine in Harrow Weald?
February has the least sunshine of the year in Harrow Weald, with an average of 3.7h of sunshine.
When it does not snow in Harrow Weald?
April through October are months without snowfall in Harrow Weald, United Kingdom.
What is the wettest month in Harrow Weald?
June is the month with the most rainfall in Harrow Weald. Rain falls for 17.4 days and accumulates 46mm (1.81") of precipitation.
When are the longest days in Harrow Weald?
June has the longest days of the year, with an average of 16h and 36min of daylight.
What are the months with the highest UV index in Harrow Weald?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What are the warmest months in Harrow Weald?
In Harrow Weald, United Kingdom, the average temperatures in July are the highest, with a peak at 21.8°C (71.2°F) and a low of 13.2°C (55.8°F).
What is the least humid month in Harrow Weald?
The months with the lowest humidity are July and August, with an average relative humidity of 74%.
What is the month with the most sunshine in Harrow Weald?
July and August, with an average of 8h of sunshine, are months with the most sunshine.
When is Daylight Saving Time (DST) in Harrow Weald?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to BST.
What is the most humid month in Harrow Weald?
With an average relative humidity of 89%, December is the most humid month in Harrow Weald, United Kingdom.
What is the month with the shortest days in Harrow Weald?
December has the shortest days of the year, with an average of 7h and 54min of daylight.
Average temperature
Harrow Weald, United Kingdom
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).
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
Harrow Weald, United Kingdom
- Average pressure in January:
1014.5mbar - Average pressure in February:
1013.8mbar - Average pressure in March:
1015.5mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1016.8mbar - Average pressure in June:
1016.2mbar
- Average pressure in July:
1015.3mbar - Average pressure in August:
1014.8mbar - Average pressure in September:
1016.9mbar - Average pressure in October:
1015.1mbar - Average pressure in November:
1010.5mbar - Average pressure in December:
1014.4mbar
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
Harrow Weald, United Kingdom
- Average wind speed in January:
16.8km/h - Average wind speed in February:
17.6km/h - Average wind speed in March:
16.1km/h - Average wind speed in April:
13.5km/h - Average wind speed in May:
13.5km/h - Average wind speed in June:
13km/h
- Average wind speed in July:
12.7km/h - Average wind speed in August:
12.9km/h - Average wind speed in September:
12.8km/h - Average wind speed in October:
14.6km/h - Average wind speed in November:
15.8km/h - Average wind speed in December:
17.3km/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
Harrow Weald, United Kingdom
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall
Harrow Weald, United Kingdom
The wettest month (with the highest rainfall) is June (46mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days
Harrow Weald, United Kingdom
- Average rainfall days in January:
11 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16.5 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
18.4 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
11 days - Average rainfall days in December:
12.2 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
Harrow Weald, United Kingdom
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
Harrow Weald, United Kingdom
- Average snowfall days in January:
1.8 days - Average snowfall days in February:
2.1 days - Average snowfall days in March:
0.7 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0.2 days - Average snowfall days in December:
0.6 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 / Average sunshine
Harrow Weald, United Kingdom
- Average daylight in January:
8h and 2min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 4min - Average daylight in June:
16h and 4min
- Average daylight in July:
16h and 1min - Average daylight in August:
14h and 4min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 4min - Average daylight in November:
8h and 5min - Average daylight in December:
7h 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 January:
4h and 2min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 4min - Average sunshine in May:
7h and 3min - Average sunshine in June:
7h and 3min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
8h and 0min - Average sunshine in September:
7h and 1min - Average sunshine in October:
4h and 4min - Average sunshine in November:
4h and 1min - Average sunshine in December:
4h and 2min
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
Harrow Weald, United Kingdom
- Average sunshine days in January:
16 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
11.9 days - Average sunshine days in May:
9.8 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
9.3 days - Average sunshine days in August:
10.3 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
14.9 days - Average sunshine days in November:
16 days - Average sunshine days in December:
16.3 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
Harrow Weald, United Kingdom
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
Harrow Weald, United Kingdom
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
Harrow Weald, United Kingdom
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).
Harrow Weald, United Kingdom
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