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 tends to be the coldest month, with temperatures averaging a daily high of 6.4°C (43.5°F) and a low of 1.5°C (34.7°F).Humidity
In Henley-on-Thames, the average relative humidity in January is 89%.Rainfall
In Henley-on-Thames, during January, the rain falls for 10.6 days and regularly aggregates up to 14mm (0.55") of precipitation. In Henley-on-Thames, during the entire year, the rain falls for 129.3 days and collects up to 204mm (8.03") of precipitation.Snowfall
January through March and December are months with snowfall in Henley-on-Thames, United Kingdom. The month with the most snowfall is January, when snow falls for 2 days and typically aggregates up to 10mm (0.39") of snow.Daylight
In January, the average length of the day in Henley-on-Thames is 8h and 26min.On the first day of January in Henley-on-Thames, United Kingdom, sunrise is at 8:09 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:50 pm GMT.
Sunshine
In Henley-on-Thames, the average sunshine in January is 4.3h.UV index
The months with the lowest UV index in Henley-on-Thames are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What month is the coldest in Henley-on-Thames?
Is it cold in Henley-on-Thames during January?
What is the average humidity in January in Henley-on-Thames?
How many days does it rain in January in Henley-on-Thames?
What is the snowiest month in Henley-on-Thames?
How much does it snow in Henley-on-Thames in January?
How many hours of daylight does Henley-on-Thames have in January?
What time are sunrise and sunset in January in Henley-on-Thames?
How many hours of sunshine does Henley-on-Thames have in January?
What is the month with the lowest UV index in Henley-on-Thames?
What is the UV index reading in January in Henley-on-Thames?
Average temperature in January
Henley-on-Thames, United Kingdom
- Average high temperature in January: 6.4°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in January: 1.5°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in January
Henley-on-Thames, United Kingdom
- Average pressure in January: 1014.3mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in January
Henley-on-Thames, United Kingdom
- Average wind speed in January: 17.2km/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 (12.8km/h).
Average humidity in January
Henley-on-Thames, United Kingdom
- Average humidity in January: 89%
The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in January
Henley-on-Thames, United Kingdom
- Average rainfall in January: 14mm
The wettest month (with the highest rainfall) is November (25mm).
The driest months (with the least rainfall) are May and September (11mm).
Average rainfall days in January
Henley-on-Thames, United Kingdom
- Average rainfall days in January: 10.6 days
The month with the highest number of rainy days is August (12.7 days).
The month with the least rainy days is September (8 days).
Average snowfall in January
Henley-on-Thames, United Kingdom
- Average snowfall in January: 10mm
The month with the highest snowfall is January (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in January
Henley-on-Thames, United Kingdom
- Average snowfall days in January: 2 days
The month with the highest number of snowfall days is February (2.3 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
Henley-on-Thames, 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 2min
The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in January
Henley-on-Thames, United Kingdom
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is September (18.8 days).
The months with the least sunshine days are June and August (13.6 days).
Average UV index in January
Henley-on-Thames, United Kingdom
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Henley-on-Thames, United Kingdom
- Average cloud cover in January: 57
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in January
Henley-on-Thames, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Henley-on-Thames, United Kingdom
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