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
In Castledawson, the month of January registers the lowest temperatures, averaging 6.3°C (43.3°F) at the peak and 2°C (35.6°F) at the lowest.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 90%.Rainfall
January is the month with the least rainfall in Castledawson. Rain falls for 11.6 days and accumulates 13mm (0.51") of precipitation.Snowfall
January through March, November and December are months with snowfall in Castledawson. In Castledawson, United Kingdom, in January, during 2.5 snowfall days, 8mm (0.31") of snow is typically accumulated. Throughout the year, there are 8.2 snowfall days, and 33mm (1.3") of snow is accumulated.Daylight
In Castledawson, the average length of the day in January is 7h and 56min.On the first day of January in Castledawson, sunrise is at 8:49 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 8:18 am and sunset at 5:00 pm GMT.
Sunshine
The average sunshine in January in Castledawson is 3.7h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 in January translates into these instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What are the coldest months in Castledawson?
How cold is it in Castledawson in January?
What is the most humid month in Castledawson?
What is the average humidity in January in Castledawson?
What is the driest month in Castledawson?
How many days does it rain in January in Castledawson?
How many days does it snow in January in Castledawson?
What is the average length of the day in January in Castledawson?
What time are sunrise and sunset in January in Castledawson?
How many hours of sunshine does Castledawson have in January?
What is the month with the lowest UV index in Castledawson?
What is the UV index reading in January in Castledawson?
Average temperature in January
Castledawson, United Kingdom
- Average high temperature in January: 6.3°C
The warmest month (with the highest average high temperature) is July (17°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in January: 2°C
The months with the highest average low temperature are July and August (10.3°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in January
Castledawson, United Kingdom
- Average pressure in January: 1009.6mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1007mbar).
Average wind speed in January
Castledawson, United Kingdom
- Average wind speed in January: 19.8km/h
The windiest month (with the highest average wind speed) is January (19.8km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in January
Castledawson, United Kingdom
- Average humidity in January: 90%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in January
Castledawson, United Kingdom
- Average rainfall in January: 13mm
The wettest month (with the highest rainfall) is June (31mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in January
Castledawson, United Kingdom
- Average rainfall days in January: 11.6 days
The months with the highest number of rainy days are June and July (15.3 days).
The month with the least rainy days is September (9.6 days).
Average snowfall in January
Castledawson, United Kingdom
- Average snowfall in January: 8mm
The months with the highest snowfall are February and March (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Castledawson, United Kingdom
- Average snowfall days in January: 2.5 days
The month with the highest number of snowfall days is February (2.8 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
Castledawson, United Kingdom
- Average daylight in January: 7h and 5min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is June (Average sunshine: 6h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in January
Castledawson, United Kingdom
- Average sunshine days in January: 14.7 days
The month with the most sunshine days is December (17.2 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in January
Castledawson, United Kingdom
- Average UV index in January: 2
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Castledawson, United Kingdom
- Average cloud cover in January: 64
The months with the most cloud cover are July and August (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 58).
Average visibility in January
Castledawson, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
Castledawson, United Kingdom
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