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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 another cold winter month in Trefeglwys, United Kingdom, with temperature in the range of an average high of 5.3°C (41.5°F) and an average low of 0.8°C (33.4°F). Trefeglwys notes the coldest temperatures in January, with a high average of 5.3°C (41.5°F) and a low of 0.8°C (33.4°F). Weather in January »
Weather in February
February, the last month of the winter in Trefeglwys, is also an icy month, with an average temperature varying between 0.8°C (33.4°F) and 5.8°C (42.4°F). Entering February, Trefeglwys's average high-temperature reads a still cold 5.8°C (42.4°F), indicating a close resemblance to the previous month's climate. Weather in February »
Weather in March
March, the first month of the spring in Trefeglwys, is a frosty month, with an average temperature fluctuating between 8.4°C (47.1°F) and 1.3°C (34.3°F). The average high-temperature is a chilly 8.4°C (47.1°F) in March, hardly different from the 5.8°C (42.4°F) recorded in February. Weather in March »
Weather in April
April in Trefeglwys, United Kingdom, is a fresh spring month, with an average temperature varying between 3.2°C (37.8°F) and 11.3°C (52.3°F). The beginning of April records an average high-temperature of a cool 11.3°C (52.3°F), almost echoing the conditions of the previous month. Weather in April »
Weather in May
The last month of the spring, May, is a moderate month in Trefeglwys, United Kingdom, with an average temperature varying between 13.7°C (56.7°F) and 5.6°C (42.1°F). Trefeglwys greets May with an average high-temperature of a mild 13.7°C (56.7°F), marking a slight deviation from the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is an enjoyable month in Trefeglwys, United Kingdom, with an average temperature fluctuating between 8.2°C (46.8°F) and 16.2°C (61.2°F). The advent of June observes an average high-temperature of an enjoyable 16.2°C (61.2°F), nearly identical to May's 13.7°C (56.7°F). Weather in June »
Weather in July
July, the same as June, is another enjoyable summer month in Trefeglwys, United Kingdom, with temperature in the range of an average low of 10°C (50°F) and an average high of 17.7°C (63.9°F). July is the warmest month, with the temperature often reaching an average high of 17.7°C (63.9°F) and an average low of 10°C (50°F). Weather in July »
Weather in August
August, the last month of the summer in Trefeglwys, is another comfortable month, with temperature in the range of an average low of 10.2°C (50.4°F) and an average high of 17°C (62.6°F). The weather during August records an average high-temperature of a still enjoyable 17°C (62.6°F), closely mirroring the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is still a mild month in Trefeglwys, United Kingdom, with an average temperature ranging between max 15.3°C (59.5°F) and min 8.1°C (46.6°F). With the onset of September, Trefeglwys's average high-temperature clocks in at a moderate 15.3°C (59.5°F), showing a minor fluctuation from the previous month. Weather in September »
Weather in October
October, like September, in Trefeglwys, United Kingdom, is another fresh autumn month, with an average temperature ranging between min 6.4°C (43.5°F) and max 12.2°C (54°F). With October's onset, the weather reveals a slight temperature decrease, transitioning from a mild 15.3°C (59.5°F) in September to a cool 12.2°C (54°F). Weather in October »
Weather in November
November, the last month of the autumn in Trefeglwys, is also a frosty month, with temperature in the range of an average high of 8.2°C (46.8°F) and an average low of 3.8°C (38.8°F). The start of November signals a gentle decrease in the average high-temperature, transitioning from a cool 12.2°C (54°F) in October to a frosty 8.2°C (46.8°F). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Trefeglwys, United Kingdom, with temperature in the range of an average low of 2.4°C (36.3°F) and an average high of 6.2°C (43.2°F). As Trefeglwys, United Kingdom, welcomes December, the average high-temperature is noted at a still frosty 6.2°C (43.2°F), closely aligning with the preceding 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 month in Trefeglwys?
January is the coldest month of the year in Trefeglwys, registering average temperatures as high as 5.3°C (41.5°F) and as low as 0.8°C (33.4°F).
How much does it rain in Trefeglwys?
Throughout the year, there are 183.4 rainfall days, and 551mm (21.69") of precipitation is accumulated.
When does it snow in Trefeglwys?
Months with snowfall are January through May, November and December.
What is the snowiest month in Trefeglwys?
January is the month with the most snowfall. Snow falls for 6.2 days and accumulates 67mm (2.64") of snow.
How many days does it snow in Trefeglwys?
Throughout the year, there are 27.6 snowfall days, and 279mm (10.98") of snow is accumulated.
What is the month with the lowest UV index in Trefeglwys?
The months with the lowest UV index in Trefeglwys are January through April, November and December, with an average maximum UV index of 2.
What are the least humid months in Trefeglwys?
April and May, with an average relative humidity of 85%, are the least humid months in Trefeglwys, United Kingdom.
What month has the most sunshine in Trefeglwys?
The month with the most sunshine in Trefeglwys, United Kingdom, is May, with an average of 6.4h of sunshine.
What is the month with the highest UV index in Trefeglwys?
May, June and August, with an average maximum UV index of 4, are months with the highest UV index.
What is the wettest month in Trefeglwys?
June is the month with the most rainfall. Rain falls for 17.6 days and accumulates 68mm (2.68") of precipitation.
When it does not snow in Trefeglwys?
June through October are months without snowfall.
When are the longest days in Trefeglwys?
The month with the longest days is June, with an average of 16h and 42min of daylight.
What month is the hottest in Trefeglwys?
The average temperatures reach their apex in July, averaging 17.7°C (63.9°F) at the high end and 10°C (50°F) at the low end.
What is the driest month in Trefeglwys?
September is the month with the least rainfall in Trefeglwys, United Kingdom. Rain falls for 13.2 days and accumulates 34mm (1.34") of precipitation.
When is Daylight Saving Time (DST) in Trefeglwys?
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 in Trefeglwys?
November and December, with an average relative humidity of 92%, are most humid months.
What is the month with the least sunshine in Trefeglwys?
November has the least sunshine of the year in Trefeglwys, with an average of 2.9h of sunshine.
What is the month with the shortest days in Trefeglwys?
With an average of 7h and 48min of daylight, December has the shortest days of the year in Trefeglwys, United Kingdom.
Average temperature
Trefeglwys, 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 (10.2°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).
Average pressure
Trefeglwys, United Kingdom
- Average pressure in January:
1013.2mbar - Average pressure in February:
1012.7mbar - Average pressure in March:
1014.9mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1016.4mbar - Average pressure in June:
1015.6mbar
- Average pressure in July:
1014.6mbar - Average pressure in August:
1013.9mbar - Average pressure in September:
1016.2mbar - Average pressure in October:
1014.1mbar - Average pressure in November:
1009.5mbar - Average pressure in December:
1013mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.5mbar).
Average wind speed
Trefeglwys, United Kingdom
- Average wind speed in January:
18.1km/h - Average wind speed in February:
18.9km/h - Average wind speed in March:
17.1km/h - Average wind speed in April:
13.9km/h - Average wind speed in May:
14km/h - Average wind speed in June:
12.6km/h
- Average wind speed in July:
12.7km/h - Average wind speed in August:
13.6km/h - Average wind speed in September:
13.3km/h - Average wind speed in October:
15.1km/h - Average wind speed in November:
16.5km/h - Average wind speed in December:
18.6km/h
The windiest month (with the highest average wind speed) is February (18.9km/h).
The calmest month (with the lowest average wind speed) is June (12.6km/h).
Average humidity
Trefeglwys, United Kingdom
The months with the highest relative humidity are November and December (92%).
The months with the lowest relative humidity are April and May (85%).
Average rainfall
Trefeglwys, United Kingdom
The wettest month (with the highest rainfall) is June (68mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days
Trefeglwys, United Kingdom
- Average rainfall days in January:
13.6 days - Average rainfall days in February:
11.5 days - Average rainfall days in March:
13 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
16.4 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
15.8 days - Average rainfall days in November:
17.2 days - Average rainfall days in December:
14.9 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).
Average snowfall
Trefeglwys, United Kingdom
The month with the highest snowfall is January (67mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days
Trefeglwys, United Kingdom
- Average snowfall days in January:
6.2 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
4.4 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.3 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:
2.8 days - Average snowfall days in December:
4.7 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Trefeglwys, 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 5min - Average daylight in June:
16h and 4min
- Average daylight in July:
16h and 2min - 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:
5h and 5min
- 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 2min
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
Trefeglwys, United Kingdom
- Average sunshine days in January:
11.8 days - Average sunshine days in February:
9.7 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
11.4 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
8.4 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
13.4 days - Average sunshine days in October:
11.5 days - Average sunshine days in November:
9.1 days - Average sunshine days in December:
12.1 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is July (8.4 days).
Average UV index
Trefeglwys, United Kingdom
The months with the highest UV index are May, June and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover
Trefeglwys, United Kingdom
The month with the most cloud cover is November (Cloud cover 72).
The months with the least cloud cover are April and May (Cloud cover 60).
Average visibility
Trefeglwys, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, November and December (8km).
The months with the lowest visibility are August, September and October (7km).
