Climate and monthly weather forecastCumnor, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Cumnor, United Kingdom, is another chilly winter month, with an average temperature ranging between min 1.4°C (34.5°F) and max 6.3°C (43.3°F). Cumnor records the coldest temperatures in January, averaging a high of 6.3°C (43.3°F) and a low of 1.4°C (34.5°F). Weather in January »Weather in February
February, the last month of the winter in Cumnor, is also a frosty month, with an average temperature fluctuating between 7°C (44.6°F) and 1.8°C (35.2°F). The average high-temperature during February registers at a still frosty 7°C (44.6°F), closely corresponding to the preceding month. Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in Cumnor, United Kingdom, with an average temperature fluctuating between 2.5°C (36.5°F) and 9.9°C (49.8°F). In March, Cumnor's weather conditions record an average high-temperature of a still frosty 9.9°C (49.8°F), demonstrating little divergence from the preceding month. Weather in March »Weather in April
April is a moderate spring month in Cumnor, United Kingdom, with an average temperature fluctuating between 4°C (39.2°F) and 13.1°C (55.6°F). The shift into April brings a slight increase in the average high-temperature, moving from a chilly 9.9°C (49.8°F) in March to a refreshing 13.1°C (55.6°F). Weather in April »Weather in May
The last month of the spring, May, is another mild month in Cumnor, United Kingdom, with an average temperature varying between 6.5°C (43.7°F) and 15.5°C (59.9°F). The transition into May reveals an average high-temperature of a still moderate 15.5°C (59.9°F), mirroring a close resemblance to April. Weather in May »Weather in June
The first month of the summer, June, is an enjoyable month in Cumnor, United Kingdom, with temperature in the range of an average high of 18.3°C (64.9°F) and an average low of 9.3°C (48.7°F). June's advent notes a subtle adjustment in average high-temperature to an enjoyable 18.3°C (64.9°F) from May. Weather in June »Weather in July
July in Cumnor, United Kingdom, is an agreeable summer month, with an average temperature varying between 20.7°C (69.3°F) and 12.1°C (53.8°F). July is the month when Cumnor's temperatures reach their peak, with averages of 20.7°C (69.3°F) and lows of 12.1°C (53.8°F). Weather in July »Weather in August
August, the last month of the summer in Cumnor, is another pleasant month, with an average temperature fluctuating between 20.2°C (68.4°F) and 12.3°C (54.1°F). The shift into August uncovers an average high-temperature of a still pleasant 20.2°C (68.4°F), subtly different from the previous month. Weather in August »Weather in September
The first month of the autumn, September, is still a comfortable month in Cumnor, United Kingdom, with temperature in the range of an average high of 18°C (64.4°F) and an average low of 10°C (50°F). September ushers in an average high-temperature of a refreshing 18°C (64.4°F), aligning closely with the preceding month. Weather in September »Weather in October
October, like September, is a moderate autumn month in Cumnor, United Kingdom, with an average temperature fluctuating between 8°C (46.4°F) and 14.2°C (57.6°F). In October, the average high-temperature marginally decreases from a comfortable 18°C (64.4°F) in September to a mild 14.2°C (57.6°F). Weather in October »Weather in November
November, the last month of the autumn in Cumnor, is another chilly month, with an average temperature varying between 4.9°C (40.8°F) and 9.5°C (49.1°F). November's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from October's moderate 14.2°C (57.6°F) to a frosty 9.5°C (49.1°F). Weather in November »Weather in December
The first month of the winter, December, is also a frosty month in Cumnor, United Kingdom, with an average temperature varying between 2.6°C (36.7°F) and 7.3°C (45.1°F). December denotes a minimal variation in the average high-temperature to a still frosty 7.3°C (45.1°F) from November's 9.5°C (49.1°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
Cumnor's coldest weather arrives in January, when temperatures average a high of 6.3°C (43.3°F) and a low of 1.4°C (34.5°F).
Throughout the year, there are 163.2 rainfall days, and 330mm (12.99") of precipitation is accumulated.
Months with snowfall in Cumnor, United Kingdom, are January through March and December.
Throughout the year, there are 8.1 snowfall days, and 40mm (1.57") of snow is accumulated.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the most snowfall is February, when snow falls for 3.3 days and typically aggregates up to 19mm (0.75") of snow.
February has the least sunshine of the year, with an average of 3.7h of sunshine.
March and September are months with the least rain when the rain falls for 12.1 days and typically aggregates up to 18mm (0.71") of rain.
In Cumnor, United Kingdom, snow does not fall in April through November.
The months with the highest UV index are May through September, with an average maximum UV index of 4.
The month with the longest days in Cumnor, United Kingdom, is June, with an average of 16h and 36min of daylight.
Cumnor's July weather, marked by an average high temperature of 20.7°C (69.3°F) and an average low temperature of 12.1°C (53.8°F), is the warmest in the year.
The months with the lowest humidity in Cumnor are July and August, with an average relative humidity of 80%.
With an average of 7.6h of sunshine, July has the most sunshine of the year in Cumnor.
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Cumnor, United Kingdom, 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 14.1 days and accumulates 36mm (1.42") of precipitation.
With an average relative humidity of 91%, December is the most humid month in Cumnor.
With an average of 7h and 54min of daylight, December has the shortest days of the year.
Average temperature
Cumnor, United Kingdom
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (6.3°C).
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure
Cumnor, United Kingdom
- Average pressure in January:
1014.1mbar - Average pressure in February:
1013.5mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.7mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.1mbar - Average pressure in August:
1014.6mbar - Average pressure in September:
1016.6mbar - Average pressure in October:
1014.8mbar - Average pressure in November:
1010.2mbar - Average pressure in December:
1014mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed
Cumnor, United Kingdom
- Average wind speed in January:
17.5km/h - Average wind speed in February:
18.2km/h - Average wind speed in March:
16.6km/h - Average wind speed in April:
13.8km/h - Average wind speed in May:
13.5km/h - Average wind speed in June:
13km/h
- Average wind speed in July:
12.8km/h - Average wind speed in August:
13.3km/h - Average wind speed in September:
13.2km/h - Average wind speed in October:
15.3km/h - Average wind speed in November:
16.5km/h - Average wind speed in December:
18.1km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity
Cumnor, United Kingdom
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall
Cumnor, United Kingdom
The wettest month (with the highest rainfall) is November (36mm).
The driest months (with the least rainfall) are March and September (18mm).
Average rainfall days
Cumnor, United Kingdom
- Average rainfall days in January:
12.9 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
12.1 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.9 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
11.3 days - Average rainfall days in October:
12 days - Average rainfall days in November:
14.1 days - Average rainfall days in December:
13.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is September (11.3 days).
Average snowfall
Cumnor, United Kingdom
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days
Cumnor, United Kingdom
- Average snowfall days in January:
2 days - Average snowfall days in February:
3.3 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:
0.3 days - Average snowfall days in December:
1.5 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
Cumnor, 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 42min - 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 12min - Average sunshine in February:
3h and 42min - Average sunshine in March:
5h and 36min - Average sunshine in April:
7h and 18min - Average sunshine in May:
7h and 12min - Average sunshine in June:
7h and 12min
- Average sunshine in July:
7h and 36min - Average sunshine in August:
7h and 24min - Average sunshine in September:
7h and 0min - Average sunshine in October:
4h and 18min - Average sunshine in November:
3h and 48min - Average sunshine in December:
4h and 12min
The month with the most sunshine is July (Average sunshine: 7h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days
Cumnor, United Kingdom
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
13.2 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
10.9 days
- Average sunshine days in July:
9.8 days - Average sunshine days in August:
11.3 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
14 days - Average sunshine days in November:
13 days - Average sunshine days in December:
13.5 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is July (9.8 days).
Average UV index
Cumnor, 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
Cumnor, United Kingdom
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 51).
Average visibility
Cumnor, United Kingdom
The months with the highest visibility are January, February, March, May, July, August, October and December (9km).
The months with the lowest visibility are April, June, September and November (8km).
