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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, in Cathays, United Kingdom, is a frosty winter month, with temperature in the range of an average low of 4.1°C (39.4°F) and an average high of 7.5°C (45.5°F). January is the coldest month, exhibiting average temperatures of 7.5°C (45.5°F) at the peak and 4.1°C (39.4°F) at the base. Weather in January »
Weather in February
February, the last month of the winter in Cathays, is also a frosty month, with an average temperature ranging between min 3.9°C (39°F) and max 7.8°C (46°F). The transition from January to February sees an average high-temperature of a still chilly 7.8°C (46°F), indicating a minor variance from the prior month. Weather in February »
Weather in March
The first month of the spring, March, is still a chilly month in Cathays, United Kingdom, with an average temperature varying between 9.8°C (49.6°F) and 4.4°C (39.9°F). March's onset brings an average high-temperature of a still frosty 9.8°C (49.6°F), showing a minute difference from February's 7.8°C (46°F). Weather in March »
Weather in April
April is a cool spring month in Cathays, United Kingdom, with an average temperature varying between 12.3°C (54.1°F) and 5.9°C (42.6°F). On the advent of April, Cathays's average high-temperature exhibits a minor adjustment to a fresh 12.3°C (54.1°F) from March's 9.8°C (49.6°F). Weather in April »
Weather in May
The last month of the spring, May, is a moderate month in Cathays, United Kingdom, with an average temperature varying between 8.3°C (46.9°F) and 14.7°C (58.5°F). Transitioning into May, Cathays experiences an average high-temperature of a mild 14.7°C (58.5°F), marking a minor shift from the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is a refreshing month in Cathays, United Kingdom, with an average temperature fluctuating between 10.9°C (51.6°F) and 17.3°C (63.1°F). On the advent of June, Cathays's average high-temperature exhibits a minor adjustment to a still refreshing 17.3°C (63.1°F) from May's 14.7°C (58.5°F). Weather in June »
Weather in July
July, the same as June, is another refreshing summer month in Cathays, United Kingdom, with an average temperature ranging between min 13°C (55.4°F) and max 19°C (66.2°F). 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. Weather in July »
Weather in August
August, the last month of the summer in Cathays, is also an enjoyable month, with an average temperature varying between 18.5°C (65.3°F) and 13.3°C (55.9°F). The arrival of August coincides with an average high-temperature of a still comfortable 18.5°C (65.3°F), indicating a minimal shift from July's 19°C (66.2°F). Weather in August »
Weather in September
September, the first month of the autumn in Cathays, is also an enjoyable month, with an average temperature ranging between max 17.1°C (62.8°F) and min 11.4°C (52.5°F). The beginning of September records an average high-temperature of a still enjoyable 17.1°C (62.8°F), marking a negligible difference from August's 18.5°C (65.3°F). Weather in September »
Weather in October
October, the same as September, in Cathays, United Kingdom, is another refreshing autumn month, with temperature in the range of an average high of 14.1°C (57.4°F) and an average low of 9.7°C (49.5°F). As September transitions into October, Cathays sees a gentle drop in the average high-temperature, transitioning from a comfortable 17.1°C (62.8°F) to a moderate 14.1°C (57.4°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Cathays, United Kingdom, with an average temperature fluctuating between 10.4°C (50.7°F) and 6.9°C (44.4°F). November heralds a minor drop in average high-temperature, sliding from October's moderate 14.1°C (57.4°F) to a cool 10.4°C (50.7°F). Weather in November »
Weather in December
December, the first month of the winter in Cathays, is still a chilly month, with an average temperature fluctuating between 5.2°C (41.4°F) and 8.6°C (47.5°F). Cathays records an average high-temperature of a chilly 8.6°C (47.5°F) as December arrives, nearly mirroring the previous month's climate. Weather in December »
Updated: Jul 14, 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 time of the year is the coldest?
January, with average temperatures reaching a high of 7.5°C (45.5°F) and a low of 4.1°C (39.4°F), is the coldest month.
How much does it rain?
In Cathays, during the entire year, the rain falls for 132.6 days and collects up to 252mm (9.92") of precipitation.
When does it snow?
Months with snowfall are January, February, November and December.
How many days does it snow?
In Cathays, during the entire year, snow falls for 3.1 days and aggregates up to 8mm (0.31") of snow.
What are the months with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most?
The month with the most snowfall is February, when snow falls for 1 days and typically aggregates up to 5mm (0.2") of snow.
When it does not snow?
March through October are months without snowfall.
What is the least humid month?
The months with the lowest humidity are April and May, with an average relative humidity of 81%.
What is the driest month in Cathays?
The month with the least rainfall is April, when the rain falls for 9.1 days and typically collects 12mm (0.47") of precipitation.
What month has the most sunshine?
With an average of 8.2h of sunshine, May has the most sunshine of the year.
What is the month with the highest UV index?
The months with the highest UV index in Cathays are May through September, with an average maximum UV index of 4.
When are the longest days?
The month with the longest days is June, with an average of 16h and 36min of daylight.
What is the warmest month in Cathays?
The warmest period in Cathays tends to be July, when average temperatures fluctuate between a high of 19°C (66.2°F) and a low of 13°C (55.4°F).
What is the wettest month?
The months with the most rainfall are August and November, with an average 31mm (1.22") of precipitation.
When is Daylight Saving Time (DST)?
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 are the most humid months?
The months with the highest humidity are November and December, with an average relative humidity of 86%.
What is the month with the least sunshine?
November has the least sunshine of the year, with an average of 3.9h of sunshine.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 7h and 54min of daylight.
Average temperature
Cathays, 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
Cathays, 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
Cathays, 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
Cathays, 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
Cathays, 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
Cathays, 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
Cathays, 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
Cathays, 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
Cathays, 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
Cathays, 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
Cathays, 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
Cathays, 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
Cathays, 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).
