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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
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Radyr, United Kingdom, with temperature in the range of an average high of 7.5°C (45.5°F) and an average low of 4.1°C (39.4°F). The coldest period is January, when temperatures fluctuate between an average high of 7.5°C (45.5°F) and a low of 4.1°C (39.4°F). Weather in January »
Weather in February
The last month of the winter, February, is another chilly month in Radyr, United Kingdom, with an average temperature ranging between max 7.8°C (46°F) and min 3.9°C (39°F). Radyr, United Kingdom, notes an average high-temperature of a still frosty 7.8°C (46°F) in February, hardly diverging from January. Weather in February »
Weather in March
March, the first month of the spring in Radyr, is also a frosty month, with an average temperature varying between 4.4°C (39.9°F) and 9.8°C (49.6°F). In March, the average high-temperature registers at a still chilly 9.8°C (49.6°F), nearly identical to February's 7.8°C (46°F). Weather in March »
Weather in April
April is a cool spring month in Radyr, United Kingdom, with temperature in the range of an average low of 5.9°C (42.6°F) and an average high of 12.3°C (54.1°F). As Radyr steps into April, the average high-temperature is measured at a cool 12.3°C (54.1°F), displaying minor differences from March's 9.8°C (49.6°F). Weather in April »
Weather in May
May, the last month of the spring in Radyr, is a moderate month, with temperature in the range of an average high of 14.7°C (58.5°F) and an average low of 8.3°C (46.9°F). Radyr experiences a subtle adjustment in high-temperatures to a mild 14.7°C (58.5°F) with the onset of May, maintaining near parity with April's 12.3°C (54.1°F). Weather in May »
Weather in June
The first month of the summer, June, is an enjoyable month in Radyr, United Kingdom, with temperature in the range of an average high of 17.3°C (63.1°F) and an average low of 10.9°C (51.6°F). During June, Radyr observes a subtle ascent to a comfortable 17.3°C (63.1°F) from May's 14.7°C (58.5°F) in the average high-temperature. Weather in June »
Weather in July
July, like June, in Radyr, United Kingdom, is another comfortable summer month, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 19°C (66.2°F). Radyr witnesses the warmest weather in July, with temperatures averaging a high of 19°C (66.2°F) and a low of 13°C (55.4°F). Weather in July »
Weather in August
August, the last month of the summer in Radyr, is another comfortable month, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 13.3°C (55.9°F). August's weather displays an average high-temperature of a still comfortable 18.5°C (65.3°F), slightly varied from July's 19°C (66.2°F). Weather in August »
Weather in September
September, the first month of the autumn in Radyr, is also an enjoyable month, with an average temperature ranging between min 11.4°C (52.5°F) and max 17.1°C (62.8°F). Upon the beginning of September, Radyr's high-temperatures register at a still refreshing 17.1°C (62.8°F), closely mirroring the preceding month. Weather in September »
Weather in October
October, like September, is a moderate autumn month in Radyr, United Kingdom, with an average temperature fluctuating between 14.1°C (57.4°F) and 9.7°C (49.5°F). October is characterized by a slight reduction in average high-temperature, easing from an enjoyable 17.1°C (62.8°F) in September to a mild 14.1°C (57.4°F). Weather in October »
Weather in November
November, the last month of the autumn in Radyr, is also a fresh month, with an average temperature ranging between min 6.9°C (44.4°F) and max 10.4°C (50.7°F). During the shift to November, Radyr records a mild decrease in average high-temperature, moving from a refreshing 14.1°C (57.4°F) in October to a cool 10.4°C (50.7°F). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Radyr, United Kingdom, with an average temperature ranging between min 5.2°C (41.4°F) and max 8.6°C (47.5°F). With the onset of December, Radyr's average high-temperature clocks in at a frosty 8.6°C (47.5°F), showing a minor fluctuation from the previous month. Weather in December »
Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Radyr?
Radyr's coldest temperatures are experienced in January, with average high temperatures of 7.5°C (45.5°F) and lows of 4.1°C (39.4°F).
How many days does it rain in Radyr?
Throughout the year, in Radyr, United Kingdom, there are 132.6 rainfall days, and 252mm (9.92") of precipitation is accumulated.
When does it snow in Radyr?
January, February, November and December are months with snowfall in Radyr, United Kingdom.
How many days does it snow in Radyr?
Throughout the year, in Radyr, United Kingdom, there are 3.1 snowfall days, and 8mm (0.31") of snow is accumulated.
What are the months with the lowest UV index in Radyr?
The months with the lowest UV index in Radyr, United Kingdom, are January through March, November and December, with an average maximum UV index of 2.
What is the snowiest month in Radyr?
The month with the most snowfall in Radyr is February, when snow falls for 1 days and typically aggregates up to 5mm (0.2") of snow.
When it does not snow in Radyr?
In Radyr, snow does not fall in March through October.
What are the least humid months in Radyr?
April and May, with an average relative humidity of 81%, are the least humid months in Radyr.
What is the driest month in Radyr?
The month with the least rainfall in Radyr, United Kingdom, is April, when the rain falls for 9.1 days and typically collects 12mm (0.47") of precipitation.
What month has the most sunshine in Radyr?
The month with the most sunshine is May, with an average of 8.2h of sunshine.
When is the highest UV index in Radyr?
May through September, with an average maximum UV index of 4, are months with the highest UV index in Radyr.
When are the longest days in Radyr?
With an average of 16h and 36min of daylight, June has the longest days of the year.
What is the hottest time of year in Radyr?
July, having an average high-temperature of 19°C (66.2°F) and an average low-temperature of 13°C (55.4°F), is the warmest month in Radyr.
What is the wettest month in Radyr?
The months with the most rainfall are August and November, with an average 31mm (1.22") of precipitation.
When is Daylight Saving Time (DST) in Radyr?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Radyr, 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 are the most humid months in Radyr?
The months with the highest humidity in Radyr are November and December, with an average relative humidity of 86%.
What is the month with the least sunshine in Radyr?
November has the least sunshine of the year in Radyr, United Kingdom, with an average of 3.9h of sunshine.
What is the month with the shortest days in Radyr?
December has the shortest days of the year in Radyr, with an average of 7h and 54min of daylight.
Average temperature
Radyr, United Kingdom
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (7.5°C).
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure
Radyr, United Kingdom
- Average pressure in January:
1014mbar - Average pressure in February:
1013.4mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1016.7mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.2mbar - Average pressure in August:
1014.7mbar - Average pressure in September:
1016.8mbar - Average pressure in October:
1014.6mbar - Average pressure in November:
1010mbar - Average pressure in December:
1014mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed
Radyr, United Kingdom
- Average wind speed in January:
21.6km/h - Average wind speed in February:
22.3km/h - Average wind speed in March:
19.9km/h - Average wind speed in April:
16.2km/h - Average wind speed in May:
15.9km/h - Average wind speed in June:
15.2km/h
- Average wind speed in July:
15.2km/h - Average wind speed in August:
16km/h - Average wind speed in September:
16.3km/h - Average wind speed in October:
18.6km/h - Average wind speed in November:
21km/h - Average wind speed in December:
22km/h
The windiest month (with the highest average wind speed) is February (22.3km/h).
The calmest months (with the lowest average wind speed) are June and July (15.2km/h).
Average humidity
Radyr, United Kingdom
The months with the highest relative humidity are November and December (86%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall
Radyr, United Kingdom
The wettest months (with the highest rainfall) are August and November (31mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days
Radyr, United Kingdom
- Average rainfall days in January:
11.3 days - Average rainfall days in February:
9.1 days - Average rainfall days in March:
9.9 days - Average rainfall days in April:
9.1 days - Average rainfall days in May:
10.3 days - Average rainfall days in June:
10.7 days
- Average rainfall days in July:
12.1 days - Average rainfall days in August:
13.2 days - Average rainfall days in September:
10 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
13.5 days - Average rainfall days in December:
12.5 days
The month with the highest number of rainy days is November (13.5 days).
The months with the least rainy days are February and April (9.1 days).
Average snowfall
Radyr, United Kingdom
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days
Radyr, United Kingdom
- Average snowfall days in January:
0.8 days - Average snowfall days in February:
1 days - Average snowfall days in March:
0.3 days - Average snowfall days in April:
0 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:
0.7 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Radyr, 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 1min - Average sunshine in February:
4h and 1min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 1min - Average sunshine in May:
8h and 1min - Average sunshine in June:
7h and 5min
- Average sunshine in July:
8h and 1min - Average sunshine in August:
7h and 4min - Average sunshine in September:
7h and 1min - Average sunshine in October:
4h and 3min - Average sunshine in November:
3h and 5min - Average sunshine in December:
4h and 1min
The month with the most sunshine is May (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days
Radyr, United Kingdom
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
15.2 days - Average sunshine days in March:
18.8 days - Average sunshine days in April:
19.2 days - Average sunshine days in May:
18.4 days - Average sunshine days in June:
16.3 days
- Average sunshine days in July:
15.4 days - Average sunshine days in August:
14.2 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
16 days - Average sunshine days in November:
13.7 days - Average sunshine days in December:
14.5 days
The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is November (13.7 days).
Average UV index
Radyr, United Kingdom
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Radyr, United Kingdom
The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility
Radyr, United Kingdom
The months with the highest visibility are February, March and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September, October and November (9km).
