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, with average temperatures reaching a high of 6.3°C (43.3°F) and a low of 1.8°C (35.2°F), is the coldest month.Humidity
In Roydon, the average relative humidity in January is 89%.Rainfall
In Roydon, in January, during 13.3 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, in Roydon, there are 159.7 rainfall days, and 378mm (14.88") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Roydon. In Roydon, in January, snow falls for 3.2 days, with typically accumulated 20mm (0.79") of snow. In Roydon, during the entire year, snow falls for 11.6 days and aggregates up to 77mm (3.03") of snow.Daylight
In January, the average length of the day in Roydon is 8h and 25min.On the first day of January in Roydon, sunrise is at 8:06 am and sunset at 3:59 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:45 pm GMT.
Sunshine
In January, the average sunshine is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Roydon. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: During January, 2 as the daily maximum UV index converts into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What time of the year is the coldest in Roydon?
How cold is it in Roydon in January?
What is the average humidity in January in Roydon?
How much does it rain in Roydon in January?
How many days does it snow in January in Roydon?
How many hours of daylight does Roydon have in January?
When are sunrise and sunset in January in Roydon?
How long on average sun shines in January in Roydon?
What are the months with the lowest UV index in Roydon?
How high is the UV index in January in Roydon?
Average temperature in January
Roydon, United Kingdom
- Average high temperature in January: 6.3°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in January: 1.8°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in January
Roydon, 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
Roydon, United Kingdom
- Average wind speed in January: 17.4km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in January
Roydon, 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 (74%).
Average rainfall in January
Roydon, United Kingdom
- Average rainfall in January: 28mm
The wettest month (with the highest rainfall) is December (43mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in January
Roydon, United Kingdom
- Average rainfall days in January: 13.3 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in January
Roydon, United Kingdom
- Average snowfall in January: 20mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Roydon, United Kingdom
- Average snowfall days in January: 3.2 days
The month with the highest number of snowfall days is February (4.4 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
Roydon, 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 August (Average sunshine: 8h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in January
Roydon, United Kingdom
- Average sunshine days in January: 13.7 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in January
Roydon, 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
Roydon, United Kingdom
- Average cloud cover in January: 58
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 47).
Average visibility in January
Roydon, 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).
Roydon, United Kingdom
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