Climate and monthly weather forecastLong Wittenham, United Kingdom
Climate and monthly weather forecast
Weather in January
January, the same as December, in Long Wittenham, United Kingdom, is another chilly winter month, with an average temperature ranging between min 1.4°C (34.5°F) and max 6.4°C (43.5°F). January, having an average high-temperature of 6.4°C (43.5°F) and an average low-temperature of 1.4°C (34.5°F), is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Long Wittenham, United Kingdom, with an average temperature fluctuating between 7°C (44.6°F) and 1.8°C (35.2°F). Long Wittenham, United Kingdom, signifies an average high-temperature of a still chilly 7°C (44.6°F) in February, closely mirroring the 6.4°C (43.5°F) of January. Weather in February »Weather in March
The first month of the spring, March, is also a frosty month in Long Wittenham, United Kingdom, with an average temperature ranging between min 2.5°C (36.5°F) and max 9.9°C (49.8°F). Long Wittenham experiences a recorded average high-temperature of a still frosty 9.9°C (49.8°F) in March, closely aligned with February's 7°C (44.6°F). Weather in March »Weather in April
April is a refreshing spring month in Long Wittenham, United Kingdom, with an average temperature fluctuating between 4.1°C (39.4°F) and 13.1°C (55.6°F). In April, the meteorological conditions subtly change with the average high-temperature edging from a frosty 9.9°C (49.8°F) in March to a moderate 13.1°C (55.6°F). Weather in April »Weather in May
May, the last month of the spring in Long Wittenham, is another refreshing month, with an average temperature varying between 15.5°C (59.9°F) and 6.5°C (43.7°F). May ushers in an average high-temperature of a still moderate 15.5°C (59.9°F), aligning closely with the preceding month. Weather in May »Weather in June
The first month of the summer, June, is a refreshing month in Long Wittenham, United Kingdom, with an average temperature varying between 18.3°C (64.9°F) and 9.5°C (49.1°F). As May transitions into June, the average high-temperature rests at a comfortable 18.3°C (64.9°F), maintaining a close resemblance to the previous month. Weather in June »Weather in July
July in Long Wittenham, United Kingdom, is an agreeable summer month, with an average temperature varying between 12°C (53.6°F) and 20.7°C (69.3°F). Long Wittenham notes the warmest temperatures in July, with a high average of 20.7°C (69.3°F) and a low of 12°C (53.6°F). Weather in July »Weather in August
August, the last month of the summer in Long Wittenham, is another pleasant month, with temperature in the range of an average low of 12.3°C (54.1°F) and an average high of 20.2°C (68.4°F). The weather during August records an average high-temperature of a still pleasant 20.2°C (68.4°F), closely mirroring the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also an enjoyable month in Long Wittenham, United Kingdom, with an average temperature varying between 10°C (50°F) and 18°C (64.4°F). September's weather displays an average high-temperature of a refreshing 18°C (64.4°F), slightly varied from August's 20.2°C (68.4°F). Weather in September »Weather in October
October, like September, is another refreshing autumn month in Long Wittenham, United Kingdom, with an average temperature fluctuating between 8°C (46.4°F) and 14.2°C (57.6°F). October's onset corresponds with a subtle shift in the average high-temperature, slightly moving 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
The last month of the autumn, November, is another chilly month in Long Wittenham, United Kingdom, with temperature in the range of an average low of 4.9°C (40.8°F) and an average high of 9.5°C (49.1°F). The advent of November brings a subtle shift in temperature, with the average high moving from a moderate 14.2°C (57.6°F) in October to a chilly 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 Long Wittenham, United Kingdom, with an average temperature ranging between max 7.3°C (45.1°F) and min 2.7°C (36.9°F). Long Wittenham's transition from November to December introduces an average high-temperature of a still frosty 7.3°C (45.1°F), marking an insignificant variation from the 9.5°C (49.1°F). 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
January, characterized by an average high temperature of 6.4°C (43.5°F) and a low temperature of 1.4°C (34.5°F), is generally the coldest month.
In Long Wittenham, during the entire year, the rain falls for 156.1 days and collects up to 332mm (13.07") of precipitation.
January through March, November and December are months with snowfall in Long Wittenham, United Kingdom.
In Long Wittenham, United Kingdom, during the entire year, snow falls for 8.5 days and aggregates up to 42mm (1.65") of snow.
The months with the lowest UV index in Long Wittenham, United Kingdom, are January, February, November and December, with an average maximum UV index of 2.
February is the month with the most snowfall in Long Wittenham, United Kingdom. Snow falls for 3.3 days and accumulates 19mm (0.75") of snow.
February has the least sunshine of the year, with an average of 3.7h of sunshine.
In Long Wittenham, United Kingdom, snow does not fall in April through October.
May through September, with an average maximum UV index of 4, are months with the highest UV index.
The wettest months are June, August and November, with an average 35mm (1.38") of rainfall.
June has the longest days of the year in Long Wittenham, with an average of 16h and 36min of daylight.
Long Wittenham's temperatures tend to reach their peak averages in July, with a high of 20.7°C (69.3°F) and a low of 12°C (53.6°F).
The months with the lowest humidity in Long Wittenham are July and August, with an average relative humidity of 80%.
July has the most sunshine of the year, with an average of 7.7h of sunshine.
The month with the least rainfall in Long Wittenham, United Kingdom, is September, when the rain falls for 9.8 days and typically collects 17mm (0.67") 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 91%.
With an average of 7h and 54min of daylight, December has the shortest days of the year in Long Wittenham, United Kingdom.
Average temperature
Long Wittenham, 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 (6.4°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
Long Wittenham, United Kingdom
- Average pressure in January:
1014.2mbar - Average pressure in February:
1013.6mbar - 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:
1016.7mbar - Average pressure in October:
1014.8mbar - Average pressure in November:
1010.2mbar - Average pressure in December:
1014.1mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed
Long Wittenham, United Kingdom
- Average wind speed in January:
17.5km/h - Average wind speed in February:
18.3km/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:
12.9km/h - Average wind speed in August:
13.3km/h - Average wind speed in September:
13.2km/h - Average wind speed in October:
15.2km/h - Average wind speed in November:
16.5km/h - Average wind speed in December:
18km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity
Long Wittenham, 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
Long Wittenham, United Kingdom
The wettest months (with the highest rainfall) are June, August and November (35mm).
The driest month (with the least rainfall) is September (17mm).
Average rainfall days
Long Wittenham, United Kingdom
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
11.4 days - Average rainfall days in March:
12.5 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
14.6 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
9.8 days - Average rainfall days in October:
12 days - Average rainfall days in November:
12.5 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is September (9.8 days).
Average snowfall
Long Wittenham, United Kingdom
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Long Wittenham, United Kingdom
- Average snowfall days in January:
1.9 days - Average snowfall days in February:
3.3 days - Average snowfall days in March:
1.1 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:
0.4 days - Average snowfall days in December:
1.6 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
Long Wittenham, 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 12min - Average sunshine in May:
7h and 12min - Average sunshine in June:
7h and 18min
- Average sunshine in July:
7h and 42min - Average sunshine in August:
7h and 24min - Average sunshine in September:
7h and 0min - Average sunshine in October:
4h and 24min - 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 42min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days
Long Wittenham, United Kingdom
- Average sunshine days in January:
16.9 days - Average sunshine days in February:
12.6 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
13.1 days - Average sunshine days in May:
12.4 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
18 days - Average sunshine days in October:
16 days - Average sunshine days in November:
14.9 days - Average sunshine days in December:
16.3 days
The month with the most sunshine days is September (18 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Long Wittenham, 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
Long Wittenham, 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
Long Wittenham, United Kingdom
The months with the highest visibility are January, February, March, May, June, July, August, October and December (9km).
The months with the lowest visibility are April, September and November (8km).
