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
Streatham's coldest temperatures are experienced in January, with average high temperatures of 6.7°C (44.1°F) and lows of 2.4°C (36.3°F).Humidity
In January, the average relative humidity is 88%.Rainfall
In January, the rain falls for 14.1 days. Throughout January, 31mm (1.22") of precipitation is accumulated. Throughout the year, in Streatham, there are 162.7 rainfall days, and 388mm (15.28") of precipitation is accumulated.Snowfall
Months with snowfall in Streatham are January through April, November and December. In Streatham, United Kingdom, during January, snow falls for 2.8 days and regularly aggregates up to 18mm (0.71") of snow. Throughout the year, in Streatham, there are 10.1 snowfall days, and 66mm (2.6") of snow is accumulated.Daylight
The average length of the day in January in Streatham, United Kingdom, is 8h and 28min.On the first day of January in Streatham, sunrise is at 8:05 am and sunset at 4:02 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:47 pm GMT.
Sunshine
In January, the average sunshine in Streatham is 4.2h.UV index
The months with the lowest UV index 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 unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in January translates into these instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the coldest time of year in Streatham?
How cold is January in Streatham?
What is the average humidity in January in Streatham?
How much does it rain in Streatham in January?
How much does it snow in Streatham in January?
How many hours of daylight does Streatham have in January?
When is the sunrise / sunset in January in Streatham?
How long on average sun shines in January in Streatham?
When is the lowest UV index in Streatham?
What is the UV index intensity in January in Streatham?
Average temperature in January
Streatham, United Kingdom
- Average high temperature in January: 6.7°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in January: 2.4°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in January
Streatham, United Kingdom
- Average pressure in January: 1014.7mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in January
Streatham, United Kingdom
- Average wind speed in January: 16.7km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest months (with the lowest average wind speed) are July, August and September (12.8km/h).
Average humidity in January
Streatham, United Kingdom
- Average humidity in January: 88%
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
Streatham, United Kingdom
- Average rainfall in January: 31mm
The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in January
Streatham, United Kingdom
- Average rainfall days in January: 14.1 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in January
Streatham, United Kingdom
- Average snowfall in January: 18mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Streatham, United Kingdom
- Average snowfall days in January: 2.8 days
The month with the highest number of snowfall days is February (3.8 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
Streatham, 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 months with the most sunshine are July and August (Average sunshine: 8h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in January
Streatham, United Kingdom
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in January
Streatham, 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
Streatham, United Kingdom
- Average cloud cover in January: 58
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 47).
Average visibility in January
Streatham, 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).
Streatham, United Kingdom
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