Climate and monthly weather forecastKillyleagh, United Kingdom
Climate and monthly weather forecast
Weather in January
January, like December, is another chilly winter month in Killyleagh, United Kingdom, with an average temperature varying between 5.2°C (41.4°F) and 7.7°C (45.9°F). The arrival of January coincides with an average high-temperature of a still frosty 7.7°C (45.9°F), indicating a minimal shift from December's 8.5°C (47.3°F). Weather in January »Weather in February
February, the last month of the winter in Killyleagh, is another chilly month, with an average temperature fluctuating between 4.9°C (40.8°F) and 7.5°C (45.5°F). During the coldest month, February, temperatures average a high of 7.5°C (45.5°F) and a low of 4.9°C (40.8°F). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Killyleagh, United Kingdom, with an average temperature varying between 8.4°C (47.1°F) and 5.3°C (41.5°F). In the transition from February to March, Killyleagh reports an average high-temperature of a still frosty 8.4°C (47.1°F), indicating a close resemblance to the prior month. Weather in March »Weather in April
April, the same as March, in Killyleagh, United Kingdom, is a frosty spring month, with an average temperature varying between 6.7°C (44.1°F) and 9.8°C (49.6°F). The advent of April denotes an average high-temperature of a still frosty 9.8°C (49.6°F), subtly different from March's 8.4°C (47.1°F). Weather in April »Weather in May
May, the last month of the spring in Killyleagh, is a cool month, with temperature in the range of an average high of 12.2°C (54°F) and an average low of 8.9°C (48°F). The average high-temperature during May registers at a cool 12.2°C (54°F), maintaining a close resemblance to the previous month. Weather in May »Weather in June
June, the first month of the summer in Killyleagh, is a mild month, with temperature in the range of an average high of 14.7°C (58.5°F) and an average low of 11.3°C (52.3°F). With the onset of June, a modest change to a moderate 14.7°C (58.5°F) from May's 12.2°C (54°F) is noted in high-temperature. Weather in June »Weather in July
July in Killyleagh, United Kingdom, is an enjoyable summer month, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 16.1°C (61°F). With the onset of July, Killyleagh's average high-temperature clocks in at an enjoyable 16.1°C (61°F), showing a minor fluctuation from the previous month. Weather in July »Weather in August
The last month of the summer, August, is also an enjoyable month in Killyleagh, United Kingdom, with an average temperature ranging between max 16.3°C (61.3°F) and min 13.2°C (55.8°F). Killyleagh experiences its highest temperatures in August, with an average peak of 16.3°C (61.3°F) and a low of 13.2°C (55.8°F). Weather in August »Weather in September
September, the first month of the autumn in Killyleagh, is still a mild month, with temperature in the range of an average high of 15°C (59°F) and an average low of 12.3°C (54.1°F). The introduction of September sees an average high-temperature of a mild 15°C (59°F), hardly deviating from August. Weather in September »Weather in October
October, like September, is another mild autumn month in Killyleagh, United Kingdom, with an average temperature varying between 10.5°C (50.9°F) and 13.2°C (55.8°F). The commencement of October introduces an average high-temperature of a still moderate 13.2°C (55.8°F), closely mirroring the preceding month. Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Killyleagh, United Kingdom, with an average temperature varying between 10.2°C (50.4°F) and 8°C (46.4°F). Transition into November subtly marks a drop in the average high-temperature, moderately moving from a refreshing 13.2°C (55.8°F) in October to a cool 10.2°C (50.4°F). Weather in November »Weather in December
December, the first month of the winter in Killyleagh, is still a chilly month, with an average temperature fluctuating between 8.5°C (47.3°F) and 6.1°C (43°F). As Killyleagh welcomes December, the average high-temperature stabilizes at a chilly 8.5°C (47.3°F), showing little deviation from November's 10.2°C (50.4°F). 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
In Killyleagh, United Kingdom, during the entire year, the rain falls for 167.4 days and collects up to 395mm (15.55") of precipitation.
January through March, November and December are months with snowfall.
Throughout the year, in Killyleagh, there are 5.4 snowfall days, and 23mm (0.91") of snow is accumulated.
January, February and November, with an average of 4.1h of sunshine, are months with the least sunshine in Killyleagh, United Kingdom.
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index.
The coldest month in Killyleagh is February, with an average high-temperature of 7.5°C (45.5°F) and an average low-temperature of 4.9°C (40.8°F).
The months with the lowest humidity are March, April and November, with an average relative humidity of 81%.
In Killyleagh, United Kingdom, snow does not fall in April through October.
The month with the least rainfall in Killyleagh, United Kingdom, is May, when the rain falls for 14.1 days and typically collects 20mm (0.79") of precipitation.
The months with the most sunshine are May and June, with an average of 7.9h of sunshine.
The months with the highest UV index in Killyleagh, United Kingdom, are May through September, with an average maximum UV index of 4.
The month with the longest days in Killyleagh, United Kingdom, is June, with an average of 17h and 6min of daylight.
July and August, with an average relative humidity of 85%, are most humid months in Killyleagh, United Kingdom.
In Killyleagh, United Kingdom, the peak average temperatures are observed in August, with a high of 16.3°C (61.3°F) and a low of 13.2°C (55.8°F).
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.
November is the month with the most rainfall. Rain falls for 14.9 days and accumulates 52mm (2.05") of precipitation.
December is the month with the most snowfall in Killyleagh, United Kingdom. Snow falls for 1 days and accumulates 8mm (0.31") of snow.
December has the shortest days of the year in Killyleagh, with an average of 7h and 24min of daylight.
Average temperature
Killyleagh, United Kingdom
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (7.5°C).
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure
Killyleagh, United Kingdom
- Average pressure in January:
1010.6mbar - Average pressure in February:
1010.3mbar - Average pressure in March:
1013.6mbar - Average pressure in April:
1014.7mbar - Average pressure in May:
1015.7mbar - Average pressure in June:
1015mbar
- Average pressure in July:
1013.5mbar - Average pressure in August:
1012.2mbar - Average pressure in September:
1014.6mbar - Average pressure in October:
1012.2mbar - Average pressure in November:
1007.7mbar - Average pressure in December:
1009.9mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.7mbar).
Average wind speed
Killyleagh, United Kingdom
- Average wind speed in January:
28km/h - Average wind speed in February:
27km/h - Average wind speed in March:
23.4km/h - Average wind speed in April:
20.4km/h - Average wind speed in May:
19.8km/h - Average wind speed in June:
17.3km/h
- Average wind speed in July:
17.4km/h - Average wind speed in August:
20.1km/h - Average wind speed in September:
22.3km/h - Average wind speed in October:
24.6km/h - Average wind speed in November:
27.5km/h - Average wind speed in December:
28.9km/h
The windiest month (with the highest average wind speed) is December (28.9km/h).
The calmest month (with the lowest average wind speed) is June (17.3km/h).
Average humidity
Killyleagh, United Kingdom
The months with the highest relative humidity are July and August (85%).
The months with the lowest relative humidity are March, April and November (81%).
Average rainfall
Killyleagh, United Kingdom
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is May (20mm).
Average rainfall days
Killyleagh, United Kingdom
- Average rainfall days in January:
13.6 days - Average rainfall days in February:
11.6 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
14.1 days - Average rainfall days in June:
15.2 days
- Average rainfall days in July:
17.9 days - Average rainfall days in August:
17.2 days - Average rainfall days in September:
10.8 days - Average rainfall days in October:
14 days - Average rainfall days in November:
14.9 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (10.8 days).
Average snowfall
Killyleagh, United Kingdom
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Killyleagh, United Kingdom
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
1.6 days - Average snowfall days in March:
0.8 days - Average snowfall days in April:
0.2 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:
0.5 days - Average snowfall days in December:
1 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Killyleagh, United Kingdom
- Average daylight in January:
8h and 0min - Average daylight in February:
9h and 48min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 6min - Average daylight in May:
16h and 6min - Average daylight in June:
17h and 6min
- Average daylight in July:
16h and 36min - Average daylight in August:
14h and 48min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 30min - Average daylight in November:
8h and 30min - Average daylight in December:
7h and 24min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in January:
4h and 6min - Average sunshine in February:
4h and 6min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 42min - Average sunshine in May:
7h and 54min - Average sunshine in June:
7h and 54min
- Average sunshine in July:
7h and 36min - Average sunshine in August:
7h and 36min - Average sunshine in September:
6h and 54min - Average sunshine in October:
4h and 18min - Average sunshine in November:
4h and 6min - Average sunshine in December:
4h and 18min
The months with the most sunshine are May and June (Average sunshine: 7h and 54min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 6min).
Average sunshine days
Killyleagh, United Kingdom
- Average sunshine days in January:
14.6 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
14.4 days - Average sunshine days in May:
14 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
9.5 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
13.1 days - Average sunshine days in November:
12.1 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is August (9.5 days).
Average UV index
Killyleagh, 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 and December (UV index 2).
Average cloud cover
Killyleagh, United Kingdom
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are April and May (Cloud cover 49).
Average visibility
Killyleagh, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
