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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, the same as December, is a wintry winter month in Rhayader, United Kingdom, with an average temperature ranging between max 5.3°C (41.5°F) and min 0.9°C (33.6°F). Rhayader's coldest temperatures are experienced in January, with average high temperatures of 5.3°C (41.5°F) and lows of 0.9°C (33.6°F). Weather in January »
Weather in February
February, the last month of the winter in Rhayader, is also an icy month, with an average temperature ranging between max 5.9°C (42.6°F) and min 0.9°C (33.6°F). February's advent notes a subtle adjustment in average high-temperature to a still cold 5.9°C (42.6°F) from January. Weather in February »
Weather in March
March, the first month of the spring in Rhayader, is a chilly month, with an average temperature varying between 8.5°C (47.3°F) and 1.3°C (34.3°F). The dawn of March sees an average high-temperature of a frosty 8.5°C (47.3°F), subtly contrasting with February's 5.9°C (42.6°F). Weather in March »
Weather in April
April is a cool spring month in Rhayader, United Kingdom, with an average temperature ranging between max 11.4°C (52.5°F) and min 3.2°C (37.8°F). Rhayader signifies an average high-temperature of a cool 11.4°C (52.5°F) in April, closely mirroring the 8.5°C (47.3°F) of March. Weather in April »
Weather in May
May, the last month of the spring in Rhayader, is a mild month, with an average temperature fluctuating between 5.5°C (41.9°F) and 13.8°C (56.8°F). As May takes hold, the average high-temperature is a moderate 13.8°C (56.8°F), nearly mirroring that of the previous month. Weather in May »
Weather in June
The first month of the summer, June, is a refreshing month in Rhayader, United Kingdom, with an average temperature ranging between min 8.2°C (46.8°F) and max 16.3°C (61.3°F). June brings an average high-temperature of an enjoyable 16.3°C (61.3°F), showing a slight difference from May's 13.8°C (56.8°F). Weather in June »
Weather in July
July, like June, in Rhayader, United Kingdom, is another refreshing summer month, with an average temperature fluctuating between 17.7°C (63.9°F) and 10°C (50°F). The warmest period tends to be July, when average temperatures fluctuate between a high of 17.7°C (63.9°F) and a low of 10°C (50°F). Weather in July »
Weather in August
The last month of the summer, August, is another comfortable month in Rhayader, United Kingdom, with temperature in the range of an average low of 10.3°C (50.5°F) and an average high of 17.2°C (63°F). The transition into August is marked with an average high-temperature of a still refreshing 17.2°C (63°F), showing an insignificant shift from July's 17.7°C (63.9°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a refreshing month in Rhayader, United Kingdom, with an average temperature fluctuating between 15.4°C (59.7°F) and 8.1°C (46.6°F). The shift to September signals an average high-temperature of a moderate 15.4°C (59.7°F), subtly varied from August's 17.2°C (63°F). Weather in September »
Weather in October
October, the same as September, is another fresh autumn month in Rhayader, United Kingdom, with an average temperature varying between 12.4°C (54.3°F) and 6.5°C (43.7°F). The start of October signals a gentle decrease in the average high-temperature, transitioning from a moderate 15.4°C (59.7°F) in September to a fresh 12.4°C (54.3°F). Weather in October »
Weather in November
November, the last month of the autumn in Rhayader, is also a frosty month, with an average temperature varying between 8.4°C (47.1°F) and 3.7°C (38.7°F). Rhayader's November weather features a light decline in high-temperatures, reducing from a cool 12.4°C (54.3°F) in October to a chilly 8.4°C (47.1°F). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Rhayader, United Kingdom, with an average temperature varying between 2.2°C (36°F) and 6.4°C (43.5°F). Rhayader's December reports an average high-temperature of a still frosty 6.4°C (43.5°F), exhibiting a minor difference from November. 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 month is the coldest in Rhayader?
The coldest temperatures occur during January, when averages reach a peak of 5.3°C (41.5°F) and a low of 0.9°C (33.6°F).
What is the most humid month in Rhayader?
The months with the highest humidity are January, November and December, with an average relative humidity of 92%.
How much does it rain in Rhayader?
Throughout the year, there are 192.1 rainfall days, and 471mm (18.54") of precipitation is accumulated.
When does it snow in Rhayader?
Months with snowfall are January through May, November and December.
How many days does it snow in Rhayader?
Throughout the year, there are 17.1 snowfall days, and 120mm (4.72") of snow is accumulated.
When is the lowest UV index in Rhayader?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rhayader, United Kingdom.
When does it snow the most in Rhayader?
February is the month with the most snowfall. Snow falls for 5 days and accumulates 30mm (1.18") of snow.
What are the least humid months in Rhayader?
April and May, with an average relative humidity of 85%, are the least humid months in Rhayader, United Kingdom.
What month has the most sunshine in Rhayader?
The month with the most sunshine in Rhayader is May, with an average of 6.4h of sunshine.
What is the month with the highest UV index in Rhayader?
May through August, with an average maximum UV index of 4, are months with the highest UV index in Rhayader.
When it does not snow in Rhayader?
June through October are months without snowfall in Rhayader.
When are the longest days in Rhayader?
June has the longest days of the year in Rhayader, United Kingdom, with an average of 16h and 42min of daylight.
What is the warmest month in Rhayader?
The warmest period in Rhayader is July, when temperatures fluctuate between an average high of 17.7°C (63.9°F) and a low of 10°C (50°F).
What is the driest month in Rhayader?
The month with the least rainfall in Rhayader, United Kingdom, is September, when the rain falls for 13.7 days and typically collects 27mm (1.06") of precipitation.
When is Daylight Saving Time (DST) in Rhayader?
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Rhayader, 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 rainiest month in Rhayader?
The month with the most rainfall in Rhayader is November, when the rain falls for 18.7 days and typically aggregates up to 52mm (2.05") of precipitation.
What is the month with the least sunshine in Rhayader?
November has the least sunshine of the year, with an average of 2.9h of sunshine.
What is the month with the shortest days in Rhayader?
The month with the shortest days in Rhayader is December, with an average of 7h and 48min of daylight.
Average temperature
Rhayader, United Kingdom
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (5.3°C).
The month with the highest average low temperature is August (10.3°C).
The coldest months (with the lowest average low temperature) are January and February (0.9°C).
Average pressure
Rhayader, United Kingdom
- Average pressure in January:
1013.4mbar - Average pressure in February:
1012.8mbar - Average pressure in March:
1015mbar - Average pressure in April:
1015.3mbar - Average pressure in May:
1016.5mbar - Average pressure in June:
1015.7mbar
- Average pressure in July:
1014.7mbar - Average pressure in August:
1014.1mbar - Average pressure in September:
1016.3mbar - Average pressure in October:
1014.2mbar - Average pressure in November:
1009.6mbar - Average pressure in December:
1013.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed
Rhayader, United Kingdom
- Average wind speed in January:
18.1km/h - Average wind speed in February:
19km/h - Average wind speed in March:
17.2km/h - Average wind speed in April:
14.1km/h - Average wind speed in May:
14.1km/h - Average wind speed in June:
12.7km/h
- Average wind speed in July:
12.8km/h - Average wind speed in August:
13.6km/h - Average wind speed in September:
13.3km/h - Average wind speed in October:
15.3km/h - Average wind speed in November:
16.6km/h - Average wind speed in December:
18.6km/h
The windiest month (with the highest average wind speed) is February (19km/h).
The calmest month (with the lowest average wind speed) is June (12.7km/h).
Average humidity
Rhayader, United Kingdom
The months with the highest relative humidity are January, November and December (92%).
The months with the lowest relative humidity are April and May (85%).
Average rainfall
Rhayader, United Kingdom
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days
Rhayader, United Kingdom
- Average rainfall days in January:
16.1 days - Average rainfall days in February:
13.7 days - Average rainfall days in March:
14.8 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
16.9 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17.1 days - Average rainfall days in September:
13.7 days - Average rainfall days in October:
15.6 days - Average rainfall days in November:
18.7 days - Average rainfall days in December:
17.4 days
The months with the highest number of rainy days are July and November (18.7 days).
The months with the least rainy days are February and September (13.7 days).
Average snowfall
Rhayader, United Kingdom
The month with the highest snowfall is February (30mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days
Rhayader, United Kingdom
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
5 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.6 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
1 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rhayader, United Kingdom
- Average daylight in January:
8h and 2min - Average daylight in February:
9h and 5min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 0min - 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 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January:
3h and 1min - Average sunshine in February:
3h and 1min - Average sunshine in March:
4h and 5min - Average sunshine in April:
6h and 1min - Average sunshine in May:
6h and 2min - Average sunshine in June:
6h and 0min
- Average sunshine in July:
6h and 2min - Average sunshine in August:
5h and 4min - Average sunshine in September:
5h and 2min - Average sunshine in October:
3h and 3min - Average sunshine in November:
2h and 5min - Average sunshine in December:
3h and 1min
The month with the most sunshine is May (Average sunshine: 6h and 24min).
The month with the least sunshine is November (Average sunshine: 2h and 54min).
Average sunshine days
Rhayader, United Kingdom
- Average sunshine days in January:
9.7 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
11.4 days - Average sunshine days in April:
12.5 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
9.1 days
- Average sunshine days in July:
8.2 days - Average sunshine days in August:
8.1 days - Average sunshine days in September:
11 days - Average sunshine days in October:
10.1 days - Average sunshine days in November:
7.2 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is April (12.5 days).
The month with the least sunshine days is November (7.2 days).
Average UV index
Rhayader, United Kingdom
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Rhayader, United Kingdom
The month with the most cloud cover is November (Cloud cover 73).
The months with the least cloud cover are April and May (Cloud cover 60).
Average visibility
Rhayader, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July and December (8km).
The months with the lowest visibility are August, September, October and November (7km).
