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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, like December, is a frosty winter month in Radlett, United Kingdom, with temperature in the range of an average high of 6.4°C (43.5°F) and an average low of 1.6°C (34.9°F). January, having an average high-temperature of 6.4°C (43.5°F) and an average low-temperature of 1.6°C (34.9°F), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a frosty month in Radlett, United Kingdom, with temperature in the range of an average high of 7.2°C (45°F) and an average low of 2.1°C (35.8°F). In February, Radlett's weather conditions record an average high-temperature of a still chilly 7.2°C (45°F), demonstrating little divergence from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Radlett, is a fresh month, with temperature in the range of an average high of 10.2°C (50.4°F) and an average low of 2.8°C (37°F). The shift into March reveals an average high-temperature of a fresh 10.2°C (50.4°F), closely mirroring February's climate. Weather in March »
Weather in April
April is a moderate spring month in Radlett, United Kingdom, with an average temperature ranging between max 13.8°C (56.8°F) and min 4.8°C (40.6°F). In Radlett, the onset of April comes with a modest high-temperature shift, transitioning from March's cool 10.2°C (50.4°F) to a refreshing 13.8°C (56.8°F). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Radlett, United Kingdom, with an average temperature varying between 16.1°C (61°F) and 7.3°C (45.1°F). The shift from April to May is characterized by an average high-temperature of a comfortable 16.1°C (61°F), not significantly different from the 13.8°C (56.8°F) of April. Weather in May »
Weather in June
June, the first month of the summer in Radlett, is still a refreshing month, with an average temperature ranging between min 10.3°C (50.5°F) and max 19°C (66.2°F). The commencement of June records an average high-temperature of a still comfortable 19°C (66.2°F), barely varying from May's 16.1°C (61°F). Weather in June »
Weather in July
July in Radlett, United Kingdom, is an agreeable summer month, with an average temperature varying between 12.7°C (54.9°F) and 21.6°C (70.9°F). July, with its average high-temperature of 21.6°C (70.9°F) and an average low-temperature of 12.7°C (54.9°F), holds the record as the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Radlett, is another pleasant month, with an average temperature varying between 21.2°C (70.2°F) and 13.3°C (55.9°F). The high-temperature average in August for Radlett is a still pleasant 21.2°C (70.2°F), staying closely aligned with July's conditions. Weather in August »
Weather in September
The first month of the autumn, September, is still a refreshing month in Radlett, United Kingdom, with an average temperature fluctuating between 10.8°C (51.4°F) and 18.5°C (65.3°F). The ushering in of September brings an average high-temperature of a refreshing 18.5°C (65.3°F), closely mirroring the 21.2°C (70.2°F) of August. Weather in September »
Weather in October
October, the same as September, in Radlett, United Kingdom, is another refreshing autumn month, with an average temperature fluctuating between 8.6°C (47.5°F) and 14.5°C (58.1°F). A mild shift in the average high-temperature occurs in October, reducing from an enjoyable 18.5°C (65.3°F) in September to a moderate 14.5°C (58.1°F). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Radlett, United Kingdom, with an average temperature ranging between min 5.4°C (41.7°F) and max 9.9°C (49.8°F). With the onset of November, the average high-temperature subtly recedes from October's refreshing 14.5°C (58.1°F) to a chilly 9.9°C (49.8°F). Weather in November »
Weather in December
December, the first month of the winter in Radlett, is also a frosty month, with temperature in the range of an average low of 2.9°C (37.2°F) and an average high of 7.3°C (45.1°F). The advent of December brings an average high-temperature of a still frosty 7.3°C (45.1°F), exhibiting minor difference from the previous month. Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Radlett?
January, with its average high-temperature of 6.4°C (43.5°F) and an average low-temperature of 1.6°C (34.9°F), holds the record as the coldest month in Radlett.
How much does it rain in Radlett?
In Radlett, during the entire year, the rain falls for 159.2 days and collects up to 359mm (14.13") of precipitation.
When does it snow in Radlett?
Months with snowfall in Radlett, United Kingdom, are January through March, November and December.
How much does it snow in Radlett?
In Radlett, during the entire year, snow falls for 10.1 days and aggregates up to 59mm (2.32") of snow.
What are the months with the lowest UV index in Radlett?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the month with the least sunshine in Radlett?
February has the least sunshine of the year in Radlett, United Kingdom, with an average of 3.7h of sunshine.
When it does not snow in Radlett?
In Radlett, snow does not fall in April through October.
What is the wettest month in Radlett?
The month with the most rainfall is June, when the rain falls for 15.8 days and typically aggregates up to 44mm (1.73") of precipitation.
When are the longest days in Radlett?
The month with the longest days in Radlett, United Kingdom, is June, with an average of 16h and 36min of daylight.
What are the months with the highest UV index in Radlett?
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 Radlett?
Radlett's warmest month, July, generally records average temperatures ranging from a high of 21.6°C (70.9°F) to a low of 12.7°C (54.9°F).
What are the months with the most sunshine in Radlett?
The months with the most sunshine are July and August, with an average of 8h of sunshine.
What is the least humid month in Radlett?
With an average relative humidity of 76%, August is the least humid month in Radlett.
What is the driest month in Radlett?
The month with the least rainfall in Radlett, United Kingdom, is September, when the rain falls for 10.7 days and typically collects 19mm (0.75") of precipitation.
When is Daylight Saving Time (DST) in Radlett?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Radlett, United Kingdom, 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 Radlett?
The most humid month is December, with an average relative humidity of 90%.
When does it snow the most in Radlett?
December is the month with the most snowfall in Radlett. Snow falls for 2 days and accumulates 20mm (0.79") of snow.
What is the month with the shortest days in Radlett?
The month with the shortest days in Radlett, United Kingdom, is December, with an average of 7h and 54min of daylight.
Average temperature
Radlett, United Kingdom
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (6.4°C).
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure
Radlett, United Kingdom
- Average pressure in January:
1014.3mbar - Average pressure in February:
1013.6mbar - Average pressure in March:
1015.4mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.7mbar - Average pressure in June:
1016.1mbar
- Average pressure in July:
1015.2mbar - Average pressure in August:
1014.7mbar - Average pressure in September:
1016.8mbar - Average pressure in October:
1015mbar - Average pressure in November:
1010.4mbar - Average pressure in December:
1014.2mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed
Radlett, United Kingdom
- Average wind speed in January:
17.4km/h - Average wind speed in February:
18.2km/h - Average wind speed in March:
16.5km/h - Average wind speed in April:
13.8km/h - Average wind speed in May:
13.7km/h - Average wind speed in June:
13.2km/h
- Average wind speed in July:
12.9km/h - Average wind speed in August:
13.3km/h - Average wind speed in September:
13.1km/h - Average wind speed in October:
15.2km/h - Average wind speed in November:
16.4km/h - Average wind speed in December:
18km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity
Radlett, United Kingdom
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (76%).
Average rainfall
Radlett, United Kingdom
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days
Radlett, United Kingdom
- Average rainfall days in January:
12 days - Average rainfall days in February:
11.7 days - Average rainfall days in March:
12.6 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
10.7 days - Average rainfall days in October:
11.6 days - Average rainfall days in November:
12.5 days - Average rainfall days in December:
12.3 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is September (10.7 days).
Average snowfall
Radlett, United Kingdom
The month with the highest snowfall is December (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Radlett, United Kingdom
- Average snowfall days in January:
2.9 days - Average snowfall days in February:
3.5 days - Average snowfall days in March:
1.1 days - Average snowfall days in April:
0.3 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:
0.3 days - Average snowfall days in December:
2 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Radlett, 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 2min - Average sunshine in June:
7h and 2min
- 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
Radlett, United Kingdom
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
17.1 days - Average sunshine days in October:
16.2 days - Average sunshine days in November:
14.5 days - Average sunshine days in December:
15.4 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Radlett, 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, March, November and December (UV index 2).
Average cloud cover
Radlett, United Kingdom
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility
Radlett, 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).
Radlett, United Kingdom
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