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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 sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Llansteffan, United Kingdom, is a frosty winter month, with an average temperature varying between 5.2°C (41.4°F) and 7.9°C (46.2°F). January and February are the coldest months, with an average high-temperature of 7.9°C (46.2°F). Weather in January »
Weather in February
February, the last month of the winter in Llansteffan, is also a frosty month, with an average temperature ranging between max 7.9°C (46.2°F) and min 4.8°C (40.6°F). January and February are characterised by lowest temperatures, with an average high of 7.9°C (46.2°F). Weather in February »
Weather in March
March, the first month of the spring in Llansteffan, is also a frosty month, with an average temperature varying between 9.4°C (48.9°F) and 5.1°C (41.2°F). In March, Llansteffan notes an average high-temperature of a still chilly 9.4°C (48.9°F), hardly different from the preceding month. Weather in March »
Weather in April
April in Llansteffan, United Kingdom, is a cool spring month, with an average temperature ranging between min 6.8°C (44.2°F) and max 11.7°C (53.1°F). The initiation of April sees an average high-temperature of a fresh 11.7°C (53.1°F), showing minor variations from the previous month. Weather in April »
Weather in May
The last month of the spring, May, is a mild month in Llansteffan, United Kingdom, with temperature in the range of an average low of 8.8°C (47.8°F) and an average high of 13.9°C (57°F). Llansteffan notes an average high-temperature of a mild 13.9°C (57°F) in May, hardly diverging from April. Weather in May »
Weather in June
The first month of the summer, June, is a comfortable month in Llansteffan, United Kingdom, with an average temperature varying between 16.3°C (61.3°F) and 11.5°C (52.7°F). Llansteffan's weather in June, with an average high-temperature of an enjoyable 16.3°C (61.3°F), subtly shifts from May's 13.9°C (57°F). Weather in June »
Weather in July
July, the same as June, is another comfortable summer month in Llansteffan, United Kingdom, with temperature in the range of an average high of 17.8°C (64°F) and an average low of 13.3°C (55.9°F). The temperatures reach their highest averages in July, with highs of 17.8°C (64°F) and lows of 13.3°C (55.9°F). Weather in July »
Weather in August
August, the last month of the summer in Llansteffan, is also an enjoyable month, with an average temperature fluctuating between 13.8°C (56.8°F) and 17.4°C (63.3°F). As Llansteffan transitions from July to August, the average high-temperatures adjust to a still refreshing 17.4°C (63.3°F), nearly the same as the previous 17.8°C (64°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a refreshing month in Llansteffan, United Kingdom, with an average temperature varying between 16.4°C (61.5°F) and 12.3°C (54.1°F). September's average high-temperature is a still enjoyable 16.4°C (61.5°F), maintaining a close comparison with August's 17.4°C (63.3°F). Weather in September »
Weather in October
October, the same as September, in Llansteffan, United Kingdom, is a moderate autumn month, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 14.3°C (57.7°F). Llansteffan starts October with an average high-temperature of a mild 14.3°C (57.7°F), a minor shift from September's 16.4°C (61.5°F). Weather in October »
Weather in November
November, the last month of the autumn in Llansteffan, is also a fresh month, with an average temperature varying between 10.8°C (51.4°F) and 8°C (46.4°F). The arrival of November signals a subtle shift in temperature, down from a refreshing 14.3°C (57.7°F) in October to a cool 10.8°C (51.4°F). Weather in November »
Weather in December
December, the first month of the winter in Llansteffan, is also a frosty month, with an average temperature fluctuating between 9.1°C (48.4°F) and 6.5°C (43.7°F). Upon the beginning of December, Llansteffan's high-temperatures register at a chilly 9.1°C (48.4°F), closely mirroring the preceding month. Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Llansteffan?
Llansteffan sees its lowest temperatures during January and February, with an average high-temperature of 7.9°C (46.2°F).
What is the most humid month in Llansteffan?
January, July through October and December, with an average relative humidity of 84%, are most humid months in Llansteffan.
How many days does it rain in Llansteffan?
In Llansteffan, United Kingdom, during the entire year, the rain falls for 165.1 days and collects up to 303mm (11.93") of precipitation.
When does it snow in Llansteffan?
Months with snowfall are January, February and December.
When does it snow the most in Llansteffan?
The month with the most snowfall in Llansteffan, United Kingdom, is January, when snow falls for 1.1 days and typically aggregates up to 6mm (0.24") of snow.
How much does it snow in Llansteffan?
Throughout the year, there are 2.5 snowfall days, and 8mm (0.31") of snow is accumulated.
What is the month with the least sunshine in Llansteffan?
The month with the least sunshine is January, with an average of 3.7h of sunshine.
What is the month with the lowest UV index in Llansteffan?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
When it does not snow in Llansteffan?
March through November are months without snowfall.
What month is the sea coldest in Llansteffan?
March is the month with the coldest seawater in Llansteffan, with an average sea temperature of 8.3°C (46.9°F).
What is the least humid month in Llansteffan?
The least humid month is April, with an average relative humidity of 81%.
What is the driest month in Llansteffan?
The months with the least rainfall in Llansteffan, United Kingdom, are April and May Rain falls for 11.5 days and accumulates 15mm (0.59") of rain.
What is the month with the most sunshine in Llansteffan?
The months with the most sunshine are April and May, with an average of 8.3h of sunshine.
What are the months with the highest UV index in Llansteffan?
The months with the highest UV index are May through September, with an average maximum UV index of 4.
When are the longest days in Llansteffan?
June has the longest days of the year, with an average of 16h and 36min of daylight.
What month is the hottest in Llansteffan?
In Llansteffan, July records the average highest temperatures, peaking at 17.8°C (64°F) and reaching a low of 13.3°C (55.9°F).
What is the month with the warmest sea water in Llansteffan?
The month with the warmest seawater is August, with an average sea temperature of 16.8°C (62.2°F).
When is Daylight Saving Time (DST) in Llansteffan?
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 is the rainiest month in Llansteffan?
The month with the most rainfall in Llansteffan, United Kingdom, is December, when the rain falls for 17.1 days and typically aggregates up to 35mm (1.38") of precipitation.
What is the month with the shortest days in Llansteffan?
December has the shortest days of the year in Llansteffan, United Kingdom, with an average of 7h and 54min of daylight.
Average temperature
Llansteffan, United Kingdom
The warmest month (with the highest average high temperature) is July (17.8°C).
The months with the lowest average high temperature are January and February (7.9°C).
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure
Llansteffan, United Kingdom
- Average pressure in January:
1013.6mbar - Average pressure in February:
1013.1mbar - Average pressure in March:
1015.2mbar - Average pressure in April:
1015.2mbar - Average pressure in May:
1016.7mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1015.1mbar - Average pressure in August:
1014.4mbar - Average pressure in September:
1016.6mbar - Average pressure in October:
1014.3mbar - Average pressure in November:
1009.7mbar - Average pressure in December:
1013.5mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed
Llansteffan, United Kingdom
- Average wind speed in January:
23.9km/h - Average wind speed in February:
24.2km/h - Average wind speed in March:
20.7km/h - Average wind speed in April:
17.1km/h - Average wind speed in May:
16.6km/h - Average wind speed in June:
15.9km/h
- Average wind speed in July:
16.3km/h - Average wind speed in August:
18km/h - Average wind speed in September:
19km/h - Average wind speed in October:
21.3km/h - Average wind speed in November:
23.7km/h - Average wind speed in December:
25.2km/h
The windiest month (with the highest average wind speed) is December (25.2km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).
Average humidity
Llansteffan, United Kingdom
The months with the highest relative humidity are January, July, August, September, October and December (84%).
The month with the lowest relative humidity is April (81%).
Average rainfall
Llansteffan, United Kingdom
The wettest month (with the highest rainfall) is December (35mm).
The driest months (with the least rainfall) are April and May (15mm).
Average rainfall days
Llansteffan, United Kingdom
- Average rainfall days in January:
15.2 days - Average rainfall days in February:
12.6 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
11.5 days - Average rainfall days in May:
12.8 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
16.1 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
14.8 days - Average rainfall days in December:
17.1 days
The month with the highest number of rainy days is December (17.1 days).
The month with the least rainy days is April (11.5 days).
Average snowfall
Llansteffan, United Kingdom
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Llansteffan, United Kingdom
- Average snowfall days in January:
1.1 days - Average snowfall days in February:
0.8 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 days - Average snowfall days in December:
0.3 days
The month with the highest number of snowfall days is January (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature
Llansteffan, United Kingdom
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).
Average daylight / Average sunshine
Llansteffan, 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:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 0min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
7h and 5min
- Average sunshine in July:
7h and 5min - Average sunshine in August:
7h and 3min - Average sunshine in September:
7h and 0min - Average sunshine in October:
4h and 3min - Average sunshine in November:
4h and 0min - Average sunshine in December:
3h and 5min
The months with the most sunshine are April and May (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Llansteffan, United Kingdom
- Average sunshine days in January:
11.8 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
15.2 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
10.8 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
9.3 days - Average sunshine days in September:
13.4 days - Average sunshine days in October:
13.9 days - Average sunshine days in November:
13 days - Average sunshine days in December:
10.5 days
The month with the most sunshine days is March (15.2 days).
The month with the least sunshine days is July (9.2 days).
Average UV index
Llansteffan, 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 and December (UV index 2).
Average cloud cover
Llansteffan, United Kingdom
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility
Llansteffan, United Kingdom
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
Llansteffan, United Kingdom
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