Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
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.Humidity
In Long Wittenham, the average relative humidity in January is 90%.Rainfall
In January, in Long Wittenham, United Kingdom, the rain falls for 10.3 days. Throughout January, 23mm (0.91") of precipitation is accumulated. Throughout the year, in Long Wittenham, there are 156.1 rainfall days, and 332mm (13.07") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Long Wittenham, during January, snow falls for 1.9 days and regularly aggregates up to 8mm (0.31") of snow. Throughout the year, in Long Wittenham, there are 8.5 snowfall days, and 42mm (1.65") of snow is accumulated.Daylight
In Long Wittenham, the average length of the day in January is 8h and 26min.On the first day of the month, sunrise is at 8:11 am and sunset at 4:05 pm. On the last day of January, sunrise is at 7:45 am and sunset at 4:50 pm GMT.
Sunshine
In Long Wittenham, United Kingdom, the average sunshine in January is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Long Wittenham?
How cold does it get in Long Wittenham in January?
What is the average humidity in January in Long Wittenham?
How much does it rain in Long Wittenham in January?
How many days does it snow in January in Long Wittenham?
What is the average length of the day in January in Long Wittenham?
When are sunrise and sunset in January in Long Wittenham?
How long on average sun shines in January in Long Wittenham?
When is the lowest UV index in Long Wittenham?
How high is the UV index in January in Long Wittenham?
Average temperature in January
Long Wittenham, United Kingdom
- Average high temperature in January: 6.4°C
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).
- Average low temperature in January: 1.4°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 in January
Long Wittenham, United Kingdom
- Average pressure in January: 1014.2mbar
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 in January
Long Wittenham, United Kingdom
- Average wind speed in January: 17.5km/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 in January
Long Wittenham, United Kingdom
- Average humidity in January: 90%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in January
Long Wittenham, United Kingdom
- Average rainfall in January: 23mm
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 in January
Long Wittenham, United Kingdom
- Average rainfall days in January: 10.3 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 in January
Long Wittenham, United Kingdom
- Average snowfall in January: 8mm
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 in January
Long Wittenham, United Kingdom
- Average snowfall days in January: 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 in January /
Average sunshine in January
Long Wittenham, United Kingdom
- Average daylight in January: 8h and 2min
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 1min
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 in January
Long Wittenham, United Kingdom
- Average sunshine days in January: 16.9 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 in January
Long Wittenham, United Kingdom
- Average UV index in January: 2
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 in January
Long Wittenham, United Kingdom
- Average cloud cover in January: 59
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 in January
Long Wittenham, United Kingdom
- Average visibility in January: 9km
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).
Long Wittenham, United Kingdom
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