Climate and monthly weather forecastRayleigh, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Rayleigh, United Kingdom, is a frosty winter month, with an average temperature varying between 6.9°C (44.4°F) and 3.3°C (37.9°F). January, marked by an average high-temperature of 6.9°C (44.4°F) and a low-temperature of 3.3°C (37.9°F), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is another chilly month in Rayleigh, United Kingdom, with an average temperature ranging between min 3.6°C (38.5°F) and max 7.3°C (45.1°F). The shift into February finds Rayleigh at an average high-temperature of a still frosty 7.3°C (45.1°F), closely comparable to January's conditions. Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in Rayleigh, United Kingdom, with an average temperature varying between 9.5°C (49.1°F) and 4.5°C (40.1°F). The ushering in of March brings an average high-temperature of a still chilly 9.5°C (49.1°F), closely mirroring the 7.3°C (45.1°F) of February. Weather in March »Weather in April
April is a cool spring month in Rayleigh, United Kingdom, with an average temperature ranging between min 6.3°C (43.3°F) and max 12.3°C (54.1°F). With the onset of April, the average high-temperature stands at a fresh 12.3°C (54.1°F), closely aligned with March's 9.5°C (49.1°F). Weather in April »Weather in May
May, the last month of the spring in Rayleigh, is a mild month, with temperature in the range of an average high of 15°C (59°F) and an average low of 8.7°C (47.7°F). May commences with an average high-temperature of a moderate 15°C (59°F), showing little deviation from April's 12.3°C (54.1°F). Weather in May »Weather in June
The first month of the summer, June, is an enjoyable month in Rayleigh, United Kingdom, with an average temperature fluctuating between 11.4°C (52.5°F) and 17.8°C (64°F). With the advent of June, Rayleigh experiences an average high-temperature of an enjoyable 17.8°C (64°F), mirroring a close resemblance to the previous month. Weather in June »Weather in July
July in Rayleigh, United Kingdom, is an agreeable summer month, with an average temperature fluctuating between 14°C (57.2°F) and 20.7°C (69.3°F). As Rayleigh welcomes July, the average high-temperature is noted at a pleasant 20.7°C (69.3°F), closely aligning with the preceding month. Weather in July »Weather in August
The last month of the summer, August, is another pleasant month in Rayleigh, United Kingdom, with an average temperature ranging between max 20.9°C (69.6°F) and min 14.7°C (58.5°F). Rayleigh witnesses the warmest weather in August, with temperatures averaging a high of 20.9°C (69.6°F) and a low of 14.7°C (58.5°F). Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Rayleigh, United Kingdom, with an average temperature varying between 18.5°C (65.3°F) and 12.7°C (54.9°F). The onset of September brings with it an average high-temperature of a refreshing 18.5°C (65.3°F), showing a negligible variation from the month before. Weather in September »Weather in October
October, the same as September, in Rayleigh, United Kingdom, is a moderate autumn month, with an average temperature ranging between min 10.5°C (50.9°F) and max 15°C (59°F). Rayleigh's October weather shows a modest shift in high-temperatures, falling from September's comfortable 18.5°C (65.3°F) to a moderate 15°C (59°F). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Rayleigh, United Kingdom, with an average temperature varying between 7.2°C (45°F) and 10.6°C (51.1°F). As October makes way for November, Rayleigh's average high-temperature eases from a mild 15°C (59°F) to a cool 10.6°C (51.1°F). Weather in November »Weather in December
December, the first month of the winter in Rayleigh, is still a chilly month, with temperature in the range of an average high of 8°C (46.4°F) and an average low of 4.7°C (40.5°F). With the advent of December, Rayleigh's high-temperatures adjust to a chilly 8°C (46.4°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
January stands out as Rayleigh's coldest month, with temperatures ranging between an average high of 6.9°C (44.4°F) and a low of 3.3°C (37.9°F).
Throughout the year, in Rayleigh, United Kingdom, there are 148.1 rainfall days, and 293mm (11.54") of precipitation is accumulated.
Months with snowfall in Rayleigh, United Kingdom, are January through April, November and December.
Throughout the year, there are 9.6 snowfall days, and 42mm (1.65") of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rayleigh, United Kingdom.
The month with the most snowfall in Rayleigh, United Kingdom, is February, when snow falls for 3.3 days and typically aggregates up to 14mm (0.55") of snow.
February has the least sunshine of the year in Rayleigh, United Kingdom, with an average of 3.8h of sunshine.
April is the month with the least rainfall. Rain falls for 11.3 days and accumulates 15mm (0.59") of precipitation.
May through October are months without snowfall in Rayleigh.
The month with the longest days in Rayleigh is June, with an average of 16h and 36min of daylight.
June and July, with an average maximum UV index of 5, are months with the highest UV index in Rayleigh.
July and August, with an average of 8.7h of sunshine, are months with the most sunshine.
The warmest period is August, when temperatures fluctuate between an average high of 20.9°C (69.6°F) and a low of 14.7°C (58.5°F).
The least humid month in Rayleigh is August, with an average relative humidity of 75%.
The month with the most rainfall in Rayleigh, United Kingdom, is October, when the rain falls for 12.7 days and typically aggregates up to 33mm (1.3") of precipitation.
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.
The most humid month is December, with an average relative humidity of 87%.
With an average of 7h and 54min of daylight, December has the shortest days of the year.
Average temperature
Rayleigh, United Kingdom
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (6.9°C).
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure
Rayleigh, United Kingdom
- Average pressure in January:
1014.6mbar - Average pressure in February:
1013.9mbar - Average pressure in March:
1015.5mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1016.8mbar - Average pressure in June:
1016.3mbar
- Average pressure in July:
1015.4mbar - Average pressure in August:
1014.9mbar - Average pressure in September:
1017mbar - Average pressure in October:
1015.2mbar - Average pressure in November:
1010.7mbar - Average pressure in December:
1014.5mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed
Rayleigh, United Kingdom
- Average wind speed in January:
20.9km/h - Average wind speed in February:
21.3km/h - Average wind speed in March:
19.1km/h - Average wind speed in April:
15.9km/h - Average wind speed in May:
15.7km/h - Average wind speed in June:
15.3km/h
- Average wind speed in July:
14.9km/h - Average wind speed in August:
15.6km/h - Average wind speed in September:
16.2km/h - Average wind speed in October:
18.7km/h - Average wind speed in November:
20.5km/h - Average wind speed in December:
22km/h
The windiest month (with the highest average wind speed) is December (22km/h).
The calmest month (with the lowest average wind speed) is July (14.9km/h).
Average humidity
Rayleigh, United Kingdom
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall
Rayleigh, United Kingdom
The wettest month (with the highest rainfall) is October (33mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days
Rayleigh, United Kingdom
- Average rainfall days in January:
12.4 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
12.3 days - Average rainfall days in June:
14 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
9.7 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
13.8 days - Average rainfall days in December:
12.4 days
The month with the highest number of rainy days is July (15.3 days).
The months with the least rainy days are February and September (9.7 days).
Average snowfall
Rayleigh, United Kingdom
The month with the highest snowfall is February (14mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Rayleigh, United Kingdom
- Average snowfall days in January:
2.3 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.4 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:
0.4 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rayleigh, United Kingdom
- Average daylight in January:
8h and 24min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 36min - Average daylight in June:
16h and 36min
- Average daylight in July:
16h and 6min - Average daylight in August:
14h and 36min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
8h and 54min - Average daylight in December:
7h and 54min
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:
4h and 18min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 48min - Average sunshine in April:
8h and 24min - Average sunshine in May:
8h and 6min - Average sunshine in June:
8h and 18min
- Average sunshine in July:
8h and 42min - Average sunshine in August:
8h and 42min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 42min - Average sunshine in November:
4h and 12min - Average sunshine in December:
4h and 30min
The months with the most sunshine are July and August (Average sunshine: 8h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days
Rayleigh, United Kingdom
- Average sunshine days in January:
14.2 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
15 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
15.2 days - Average sunshine days in November:
12 days - Average sunshine days in December:
14.9 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is July (11.8 days).
Average UV index
Rayleigh, United Kingdom
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Rayleigh, United Kingdom
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility
Rayleigh, United Kingdom
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
