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
January
Weather in January
Temperature
In Hounslow, the month of January is known for its lowest average temperatures, reaching a high of 44.2°F and a low of 35.4°F.Humidity
In Hounslow, United Kingdom, the average relative humidity in January is 87%.Rainfall
The months with the least rainfall in Hounslow, United Kingdom, are January, March through May Rain falls for 6.8 days and accumulates 0.35" of rain.Snowfall
January through March and December are months with snowfall. The months with the most snowfall are January and February, with an average 0.24" of accumulated snow.Daylight
In January, the average length of the day in Hounslow is 8h and 27min.On the first day of January, sunrise is at 8:06 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:48 pm GMT.
Sunshine
The average sunshine in January is 4.2h.UV index
The months with the lowest UV index in Hounslow, United Kingdom, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during January leads to these instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Hounslow?
How cold does it get in Hounslow in January?
What is the average humidity in January in Hounslow?
What is the driest month in Hounslow?
How much does it rain in Hounslow in January?
What is the snowiest month in Hounslow?
How many days does it snow in January in Hounslow?
How many hours of daylight does Hounslow have in January?
When are sunrise and sunset in January in Hounslow?
How many hours of sunshine does Hounslow have in January?
When is the lowest UV index in Hounslow?
What is the UV index intensity in January in Hounslow?
Average temperature in January
Hounslow, United Kingdom
- Average high temperature in January: 44.2°F
The warmest month (with the highest average high temperature) is July (71.6°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in January: 35.4°F
The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in January
Hounslow, United Kingdom
- Average pressure in January: 29.96"Hg
The months with the highest atmospheric pressure are May and September (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.84"Hg).
Average wind speed in January
Hounslow, United Kingdom
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is February (10.9mph).
The calmest months (with the lowest average wind speed) are July and September (7.9mph).
Average humidity in January
Hounslow, United Kingdom
- Average humidity in January: 87%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in January
Hounslow, United Kingdom
- Average rainfall in January: 0.35"
The wettest month (with the highest rainfall) is June (0.83").
The driest months (with the least rainfall) are January, March, April and May (0.35").
Average rainfall days in January
Hounslow, United Kingdom
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is June (12.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in January
Hounslow, United Kingdom
- Average snowfall in January: 0.24"
The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Hounslow, United Kingdom
- Average snowfall days in January: 1.5 days
The month with the highest number of snowfall days is February (2 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
Hounslow, United Kingdom
- Average daylight in January: 8h and 3min
The month with the longest days is June (Average daylight: 16h and 30min).
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 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in January
Hounslow, United Kingdom
- Average sunshine days in January: 20.1 days
The month with the most sunshine days is October (20.2 days).
The months with the least sunshine days are June and July (14.2 days).
Average UV index in January
Hounslow, United Kingdom
- Average UV index in January: 2
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 in January
Hounslow, United Kingdom
- Average cloud cover in January: 57
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 49).
Average visibility in January
Hounslow, United Kingdom
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (6mi).
The month with the lowest visibility is November (5mi).
