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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
Weather in January
January, like December, in Llanberis, United Kingdom, is a wintry winter month, with temperature in the range of an average low of 2.4°C (36.3°F) and an average high of 5.8°C (42.4°F). January, with its high-temperature average of 5.8°C (42.4°F) and a low-temperature average of 2.4°C (36.3°F), is the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Llanberis, United Kingdom, with temperature in the range of an average low of 2.2°C (36°F) and an average high of 6°C (42.8°F). As Llanberis transitions into February, the average high-temperature stands at a chilly 6°C (42.8°F), offering little variation from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is also a frosty month in Llanberis, United Kingdom, with an average temperature fluctuating between 7.7°C (45.9°F) and 2.6°C (36.7°F). Llanberis's March average high-temperature settles at a still chilly 7.7°C (45.9°F), showing a near match with the preceding month. Weather in March »
Weather in April
April is a cool spring month in Llanberis, United Kingdom, with an average temperature ranging between min 4.6°C (40.3°F) and max 10.4°C (50.7°F). Llanberis's average high-temperature marks a fresh 10.4°C (50.7°F) with the advent of April, closely mirroring that of the preceding month. Weather in April »
Weather in May
May, the last month of the spring in Llanberis, is another cool month, with an average temperature varying between 6.8°C (44.2°F) and 12.7°C (54.9°F). Llanberis's average high-temperature in May sits at a still cool 12.7°C (54.9°F), showing little difference from the previous month. Weather in May »
Weather in June
June, the first month of the summer in Llanberis, is a moderate month, with temperature in the range of an average high of 15.3°C (59.5°F) and an average low of 9.1°C (48.4°F). The average high-temperature for June is a refreshing 15.3°C (59.5°F), closely aligning with the temperature of the preceding month. Weather in June »
Weather in July
July is an enjoyable summer month in Llanberis, United Kingdom, with an average temperature fluctuating between 10.6°C (51.1°F) and 16.4°C (61.5°F). July is the warmest month, with an average high-temperature of 16.4°C (61.5°F) and an average low-temperature of 10.6°C (51.1°F). Weather in July »
Weather in August
August, the last month of the summer in Llanberis, is another comfortable month, with an average temperature fluctuating between 11.2°C (52.2°F) and 16.1°C (61°F). Upon the beginning of August, Llanberis's high-temperatures register at a still refreshing 16.1°C (61°F), closely mirroring the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Llanberis, is still a mild month, with temperature in the range of an average high of 14.7°C (58.5°F) and an average low of 9.7°C (49.5°F). Llanberis's weather in September displays an average high-temperature of a moderate 14.7°C (58.5°F), showing minor disparity from August's 16.1°C (61°F). Weather in September »
Weather in October
October, the same as September, is a cool autumn month in Llanberis, United Kingdom, with temperature in the range of an average high of 12°C (53.6°F) and an average low of 7.7°C (45.9°F). Llanberis, United Kingdom, notes an average high-temperature of a cool 12°C (53.6°F) in October, displaying minor variation from September. Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Llanberis, United Kingdom, with an average temperature fluctuating between 8.8°C (47.8°F) and 5.1°C (41.2°F). Llanberis in November experiences a gentle temperature dip, with average high-temperatures reducing from a cool 12°C (53.6°F) in October to a frosty 8.8°C (47.8°F). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Llanberis, United Kingdom, with temperature in the range of an average high of 6.9°C (44.4°F) and an average low of 3.5°C (38.3°F). At the onset of December, Llanberis records an average high-temperature of a still frosty 6.9°C (44.4°F), showing little deviation from the preceding month. Weather in December »
Updated: Jul 19, 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?
Llanberis's coldest weather arrives in January, when temperatures average a high of 5.8°C (42.4°F) and a low of 2.4°C (36.3°F).
What is the most humid month?
January, August, October through December, with an average relative humidity of 88%, are most humid months.
How much does it rain?
Throughout the year, there are 198.5 rainfall days, and 770mm (30.31") of precipitation is accumulated.
When does it snow?
Months with snowfall are January through June, October through December.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 8.2 days and accumulates 105mm (4.13") of snow.
How many days does it snow?
Throughout the year, there are 32.9 snowfall days, and 494mm (19.45") of snow is accumulated.
What are the months with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What are the least humid months?
April and May, with an average relative humidity of 83%, are the least humid months in Llanberis, United Kingdom.
What is the driest month?
April and May are months with the least rain when the rain falls for 16 days and typically aggregates up to 46mm (1.81") of rain.
What is the month with the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 4.
When are the longest days?
June has the longest days of the year, with an average of 16h and 54min of daylight.
What month has the most sunshine?
June has the most sunshine of the year in Llanberis, with an average of 6.9h of sunshine.
What month is the hottest?
In Llanberis, July is the month with the highest recorded average temperatures, measuring a high of 16.4°C (61.5°F) and a low of 10.6°C (51.1°F).
When it does not snow?
In Llanberis, snow does not fall in July through September.
When is Daylight Saving Time (DST) in Llanberis?
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?
The month with the most rainfall is November, when the rain falls for 18.4 days and typically aggregates up to 79mm (3.11") of precipitation.
What is the month with the shortest days?
With an average of 7h and 36min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 2.9h of sunshine.
Average temperature
Llanberis, United Kingdom
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is January (5.8°C).
The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (2.2°C).
Average pressure
Llanberis, United Kingdom
- Average pressure in January:
1012.4mbar - Average pressure in February:
1012mbar - Average pressure in March:
1014.5mbar - Average pressure in April:
1015.1mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1015.4mbar
- Average pressure in July:
1014.2mbar - Average pressure in August:
1013.4mbar - Average pressure in September:
1015.7mbar - Average pressure in October:
1013.6mbar - Average pressure in November:
1008.9mbar - Average pressure in December:
1012mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed
Llanberis, United Kingdom
- Average wind speed in January:
19.5km/h - Average wind speed in February:
19.4km/h - Average wind speed in March:
16.9km/h - Average wind speed in April:
13.9km/h - Average wind speed in May:
14.1km/h - Average wind speed in June:
12.6km/h
- Average wind speed in July:
13km/h - Average wind speed in August:
14.6km/h - Average wind speed in September:
15km/h - Average wind speed in October:
16.5km/h - Average wind speed in November:
18.4km/h - Average wind speed in December:
20.7km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is June (12.6km/h).
Average humidity
Llanberis, United Kingdom
The months with the highest relative humidity are January, August, October, November and December (88%).
The months with the lowest relative humidity are April and May (83%).
Average rainfall
Llanberis, United Kingdom
The wettest month (with the highest rainfall) is November (79mm).
The driest months (with the least rainfall) are April and May (46mm).
Average rainfall days
Llanberis, United Kingdom
- Average rainfall days in January:
14.1 days - Average rainfall days in February:
12.3 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
16 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
20 days - Average rainfall days in August:
20.2 days - Average rainfall days in September:
15 days - Average rainfall days in October:
17.2 days - Average rainfall days in November:
18.4 days - Average rainfall days in December:
17 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (12.3 days).
Average snowfall
Llanberis, United Kingdom
The month with the highest snowfall is January (105mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days
Llanberis, United Kingdom
- Average snowfall days in January:
8.2 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.8 days - Average snowfall days in June:
0.1 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:
0.7 days - Average snowfall days in November:
3.1 days - Average snowfall days in December:
4.6 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight / Average sunshine
Llanberis, United Kingdom
- Average daylight in January:
8h and 1min - 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 5min
- 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 4min - Average daylight in December:
7h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January:
3h and 1min - Average sunshine in February:
3h and 1min - Average sunshine in March:
5h and 1min - Average sunshine in April:
6h and 5min - Average sunshine in May:
6h and 5min - Average sunshine in June:
6h and 5min
- Average sunshine in July:
6h and 3min - Average sunshine in August:
6h and 1min - Average sunshine in September:
5h and 3min - Average sunshine in October:
3h and 3min - Average sunshine in November:
3h and 1min - Average sunshine in December:
2h and 5min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days
Llanberis, United Kingdom
- Average sunshine days in January:
10.7 days - Average sunshine days in February:
10.2 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
9.1 days - Average sunshine days in August:
9.1 days - Average sunshine days in September:
12.7 days - Average sunshine days in October:
11 days - Average sunshine days in November:
9.4 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is March (13.9 days).
The months with the least sunshine days are July and August (9.1 days).
Average UV index
Llanberis, 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
Llanberis, United Kingdom
The month with the most cloud cover is December (Cloud cover 72).
The months with the least cloud cover are April and May (Cloud cover 55).
Average visibility
Llanberis, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Llanberis, United Kingdom
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