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 6.3°C (43.3°F) and a low of 1.6°C (34.9°F).Humidity
In Letchworth Garden City, United Kingdom, the average relative humidity in January is 89%.Rainfall
In January, the rain falls for 11.8 days. Throughout January, 22mm (0.87") of precipitation is accumulated. In Letchworth Garden City, during the entire year, the rain falls for 160.5 days and collects up to 325mm (12.8") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Letchworth Garden City, in January, during 3.2 snowfall days, 21mm (0.83") of snow is typically accumulated. In Letchworth Garden City, during the entire year, snow falls for 10.3 days and aggregates up to 81mm (3.19") of snow.Daylight
The average length of the day in January in Letchworth Garden City, United Kingdom, is 8h and 23min.On the first day of the month, sunrise is at 8:08 am and sunset at 3:59 pm. On the last day of January, sunrise is at 7:42 am and sunset at 4:45 pm GMT.
Sunshine
In January, the average sunshine is 4.2h.UV index
The months with the lowest UV index in Letchworth Garden City, United Kingdom, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 2 in January translates into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What part of the year is the coldest in Letchworth Garden City?
How cold is January in Letchworth Garden City?
What is the average humidity in January in Letchworth Garden City?
How many days does it rain in January in Letchworth Garden City?
How much does it snow in Letchworth Garden City in January?
What is the average length of the day in January in Letchworth Garden City?
When is the sunrise / sunset in January in Letchworth Garden City?
How long on average sun shines in January in Letchworth Garden City?
When is the lowest UV index in Letchworth Garden City?
What is the UV index reading in January in Letchworth Garden City?
Average temperature in January
Letchworth Garden City, United Kingdom
- Average high temperature in January: 6.3°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in January: 1.6°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in January
Letchworth Garden City, 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 (1010.3mbar).
Average wind speed in January
Letchworth Garden City, United Kingdom
- Average wind speed in January: 17.7km/h
The windiest months (with the highest average wind speed) are February and December (18.4km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in January
Letchworth Garden City, United Kingdom
- Average humidity in January: 89%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (77%).
Average rainfall in January
Letchworth Garden City, United Kingdom
- Average rainfall in January: 22mm
The wettest month (with the highest rainfall) is June (43mm).
The driest month (with the least rainfall) is September (19mm).
Average rainfall days in January
Letchworth Garden City, United Kingdom
- Average rainfall days in January: 11.8 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in January
Letchworth Garden City, United Kingdom
- Average snowfall in January: 21mm
The month with the highest snowfall is February (29mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Letchworth Garden City, United Kingdom
- Average snowfall days in January: 3.2 days
The month with the highest number of snowfall days is February (3.6 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
Letchworth Garden City, 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 48min).
- Average sunshine in January: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 7h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in January
Letchworth Garden City, United Kingdom
- Average sunshine days in January: 13.2 days
The month with the most sunshine days is March (15.1 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in January
Letchworth Garden City, 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
Letchworth Garden City, United Kingdom
- Average cloud cover in January: 58
The months with the most cloud cover are February and November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in January
Letchworth Garden City, 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).
Letchworth Garden City, United Kingdom
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