Climate and monthly weather forecastIlley, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Illey, United Kingdom, is another chilly winter month, with an average temperature varying between 6.1°C (43°F) and 1.4°C (34.5°F). The coldest period is January, when temperatures fluctuate between an average high of 6.1°C (43°F) and a low of 1.4°C (34.5°F). Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Illey, United Kingdom, with an average temperature varying between 1.7°C (35.1°F) and 6.8°C (44.2°F). As Illey steps into February, the average high-temperature is measured at a still frosty 6.8°C (44.2°F), displaying minor differences from January's 6.1°C (43°F). Weather in February »Weather in March
The first month of the spring, March, is still a chilly month in Illey, United Kingdom, with an average temperature ranging between max 9.7°C (49.5°F) and min 2.3°C (36.1°F). The advent of March reveals an average high-temperature of a still frosty 9.7°C (49.5°F), showing minimal difference from the prior month. Weather in March »Weather in April
April is a fresh spring month in Illey, United Kingdom, with an average temperature fluctuating between 12.9°C (55.2°F) and 4.2°C (39.6°F). The embrace of April brings a minor uplift in the average high-temperature, shifting from a frosty 9.7°C (49.5°F) in March to a cool 12.9°C (55.2°F). Weather in April »Weather in May
The last month of the spring, May, is a mild month in Illey, United Kingdom, with an average temperature varying between 6.8°C (44.2°F) and 15.5°C (59.9°F). The initiation of May records an average high-temperature of a mild 15.5°C (59.9°F), displaying a near consistency with the previous month. Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Illey, United Kingdom, with an average temperature varying between 9.5°C (49.1°F) and 18.1°C (64.6°F). June denotes a minimal variation in the average high-temperature to a comfortable 18.1°C (64.6°F) from May's 15.5°C (59.9°F). Weather in June »Weather in July
July is a pleasant summer month in Illey, United Kingdom, with temperature in the range of an average high of 20.3°C (68.5°F) and an average low of 11.7°C (53.1°F). July is the month that records the highest temperatures, with averages ranging from a high of 20.3°C (68.5°F) to a low of 11.7°C (53.1°F). Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Illey, United Kingdom, with an average temperature varying between 12°C (53.6°F) and 19.6°C (67.3°F). August's climate shows a minor adjustment in average high-temperatures to an enjoyable 19.6°C (67.3°F) from July's 20.3°C (68.5°F). Weather in August »Weather in September
The first month of the autumn, September, is also an enjoyable month in Illey, United Kingdom, with an average temperature varying between 17.4°C (63.3°F) and 9.7°C (49.5°F). September's beginning signals an average high-temperature of a still comfortable 17.4°C (63.3°F), barely different from August's 19.6°C (67.3°F). Weather in September »Weather in October
October, like September, is another mild autumn month in Illey, United Kingdom, with an average temperature fluctuating between 7.8°C (46°F) and 13.7°C (56.7°F). The transition into October subtly indicates a reduction in the average high-temperature, down to a mild 13.7°C (56.7°F) from September's refreshing 17.4°C (63.3°F). Weather in October »Weather in November
The last month of the autumn, November, is also a frosty month in Illey, United Kingdom, with an average temperature fluctuating between 4.6°C (40.3°F) and 9.2°C (48.6°F). November's arrival signals a moderate reduction in the average high-temperature, easing from a mild 13.7°C (56.7°F) in October to a frosty 9.2°C (48.6°F). Weather in November »Weather in December
December, the first month of the winter in Illey, is also a frosty month, with temperature in the range of an average low of 2.7°C (36.9°F) and an average high of 6.8°C (44.2°F). Illey's entry into December measures an average high-temperature of a still chilly 6.8°C (44.2°F), closely parallel to the preceding month. Weather in December »Updated: Feb 7, 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
With average high and low temperatures of 6.1°C (43°F) and 1.4°C (34.5°F) respectively, January is Illey's coldest month.
In Illey, during the entire year, the rain falls for 176.5 days and collects up to 391mm (15.39") of precipitation.
Months with snowfall are January through March, November and December.
January is the month with the most snowfall in Illey. Snow falls for 3.4 days and accumulates 29mm (1.14") of snow.
In Illey, United Kingdom, during the entire year, snow falls for 11.5 days and aggregates up to 68mm (2.68") of snow.
The months with the lowest UV index in Illey are January, February, November and December, with an average maximum UV index of 2.
February and November, with an average of 3.5h of sunshine, are months with the least sunshine in Illey.
April is the month with the least rainfall in Illey. Rain falls for 13.7 days and accumulates 22mm (0.87") of precipitation.
April through October are months without snowfall.
The months with the lowest humidity in Illey are May, July and August, with an average relative humidity of 80%.
The months with the highest UV index in Illey are May through September, with an average maximum UV index of 4.
The month with the most rainfall is June, when the rain falls for 17.7 days and typically aggregates up to 52mm (2.05") of precipitation.
With an average of 16h and 42min of daylight, June has the longest days of the year.
July is the month when Illey sees the average highest temperatures, with a high of 20.3°C (68.5°F) and a low of 11.7°C (53.1°F).
With an average of 6.9h of sunshine, July has the most sunshine of the year.
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.
With an average relative humidity of 90%, December is the most humid month.
The month with the shortest days is December, with an average of 7h and 48min of daylight.
Average temperature
Illey, United Kingdom
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (6.1°C).
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure
Illey, United Kingdom
- Average pressure in January:
1013.4mbar - Average pressure in February:
1012.8mbar - Average pressure in March:
1015mbar - Average pressure in April:
1015.4mbar - Average pressure in May:
1016.4mbar - Average pressure in June:
1015.7mbar
- Average pressure in July:
1014.6mbar - Average pressure in August:
1014mbar - Average pressure in September:
1016.2mbar - Average pressure in October:
1014.3mbar - Average pressure in November:
1009.7mbar - Average pressure in December:
1013.1mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed
Illey, United Kingdom
- Average wind speed in January:
17.4km/h - Average wind speed in February:
18km/h - Average wind speed in March:
16.2km/h - Average wind speed in April:
14km/h - Average wind speed in May:
13.7km/h - Average wind speed in June:
12.7km/h
- Average wind speed in July:
12.6km/h - Average wind speed in August:
13.4km/h - Average wind speed in September:
13.1km/h - Average wind speed in October:
15.1km/h - Average wind speed in November:
16.2km/h - Average wind speed in December:
17.8km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity
Illey, United Kingdom
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are May, July and August (80%).
Average rainfall
Illey, United Kingdom
The wettest month (with the highest rainfall) is June (52mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days
Illey, United Kingdom
- Average rainfall days in January:
12.8 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
12.4 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
17.7 days
- Average rainfall days in July:
19.2 days - Average rainfall days in August:
18.3 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
13.5 days - Average rainfall days in November:
15.3 days - Average rainfall days in December:
13 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (11.8 days).
Average snowfall
Illey, United Kingdom
The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Illey, United Kingdom
- Average snowfall days in January:
3.4 days - Average snowfall days in February:
4.1 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.1 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:
0.1 days - Average snowfall days in November:
0.3 days - Average snowfall days in December:
2.2 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Illey, United Kingdom
- Average daylight in January:
8h and 18min - Average daylight in February:
9h and 54min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 0min - Average daylight in May:
15h and 48min - Average daylight in June:
16h and 42min
- Average daylight in July:
16h and 12min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 42min - Average daylight in October:
10h and 36min - Average daylight in November:
8h and 48min - Average daylight in December:
7h and 48min
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 48min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 18min - Average sunshine in April:
6h and 36min - Average sunshine in May:
6h and 36min - Average sunshine in June:
6h and 30min
- Average sunshine in July:
6h and 54min - Average sunshine in August:
6h and 36min - Average sunshine in September:
6h and 6min - Average sunshine in October:
4h and 0min - Average sunshine in November:
3h and 30min - Average sunshine in December:
3h and 54min
The month with the most sunshine is July (Average sunshine: 6h and 54min).
The months with the least sunshine are February and November (Average sunshine: 3h and 30min).
Average sunshine days
Illey, United Kingdom
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
14.2 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
11 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
9 days - Average sunshine days in August:
8.4 days - Average sunshine days in September:
13.3 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
11.3 days - Average sunshine days in December:
13.1 days
The month with the most sunshine days is March (14.2 days).
The month with the least sunshine days is August (8.4 days).
Average UV index
Illey, 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, November and December (UV index 2).
Average cloud cover
Illey, United Kingdom
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 55).
Average visibility
Illey, United Kingdom
The months with the highest visibility are January, February, March, April, May, June, July, August and October (9km).
The months with the lowest visibility are September, November and December (8km).
