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 sea temperature 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
As January takes hold, the average high-temperature is a still frosty 7.7°C (45.9°F), nearly mirroring that of the previous month. An average temperature of 5.2°C (41.4°F) is logged during the nights of January in Ardglass, United Kingdom, a small step down from daytime highs.Humidity
In Ardglass, the average relative humidity in January is 82%.Rainfall
In January, the rain falls for 13.6 days. Throughout January, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 167.4 rainfall days, and 395mm (15.55") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Ardglass, in January, snow falls for 1.3 days, with typically accumulated 5mm (0.2") of snow. Throughout the year, there are 5.4 snowfall days, and 23mm (0.91") of snow is accumulated.Sea temperature
In Ardglass, in January, the average water temperature is 9.2°C (48.6°F).Note: Diving into 9.2°C (48.6°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.
Daylight
In January, the average length of the day is 8h and 2min.On the first day of January, sunrise is at 8:42 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 8:12 am and sunset at 4:59 pm GMT.
Sunshine
January, February and November, with an average of 4.1h of sunshine, are months with the least sunshine in Ardglass.UV index
The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In January, the maximum UV index of 2 suggests these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature in Ardglass?
What is the average humidity in January in Ardglass?
How much does it rain in Ardglass in January?
How many days does it snow in January in Ardglass?
What is the sea water temperature in January in Ardglass?
How many hours of daylight does Ardglass have in January?
What time are sunrise and sunset in January in Ardglass?
What is the month with the least sunshine in Ardglass?
How many hours of sunshine does Ardglass have in January?
What is the month with the lowest UV index in Ardglass?
How high is the UV index in January in Ardglass?
Average temperature in January
Ardglass, United Kingdom
- Average high temperature in January: 7.7°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (7.5°C).
- Average low temperature in January: 5.2°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in January
Ardglass, United Kingdom
- Average pressure in January: 1010.6mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.7mbar).
Average wind speed in January
Ardglass, United Kingdom
- Average wind speed in January: 28km/h
The windiest month (with the highest average wind speed) is December (28.9km/h).
The calmest month (with the lowest average wind speed) is June (17.3km/h).
Average humidity in January
Ardglass, United Kingdom
- Average humidity in January: 82%
The months with the highest relative humidity are July and August (85%).
The months with the lowest relative humidity are March, April and November (81%).
Average rainfall in January
Ardglass, United Kingdom
- Average rainfall in January: 26mm
The wettest month (with the highest rainfall) is November (52mm).
The driest month (with the least rainfall) is May (20mm).
Average rainfall days in January
Ardglass, United Kingdom
- Average rainfall days in January: 13.6 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (10.8 days).
Average snowfall in January
Ardglass, United Kingdom
- Average snowfall in January: 5mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Ardglass, United Kingdom
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in January
Ardglass, United Kingdom
- Average sea temperature in January: 9.2°C
The best month for swimming (with the highest average sea temperature) is August (14.8°C).
The coldest month (with the lowest average sea temperature) is March (8.2°C).
Average daylight in January /
Average sunshine in January
Ardglass, United Kingdom
- Average daylight in January: 8h and 0min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in January: 4h and 1min
The months with the most sunshine are May and June (Average sunshine: 7h and 54min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 6min).
Average sunshine days in January
Ardglass, United Kingdom
- Average sunshine days in January: 14.6 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is August (9.5 days).
Average UV index in January
Ardglass, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in January
Ardglass, United Kingdom
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are April and May (Cloud cover 49).
Average visibility in January
Ardglass, United Kingdom
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
