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
January
Weather in January
Temperature
Ballyknockan's January reports an average high-temperature of a still chilly 7.9°C (46.2°F), exhibiting a minor difference from December. January nights register a minor temperature decline, steadying at an icy 5.1°C (41.2°F).Humidity
In January, the average relative humidity is 83%.Rainfall
The months with the least rainfall are January and May Rain falls for 11.1 days and accumulates 16mm (0.63") of rain.Snowfall
Months with snowfall are January through March, November and December. In Ballyknockan, in January, during 1.3 snowfall days, 4mm (0.16") of snow is typically accumulated. Throughout the year, there are 4.5 snowfall days, and 20mm (0.79") of snow is accumulated.Daylight
In January, the average length of the day is 8h and 14min.On the first day of the month, sunrise is at 8:37 am and sunset at 4:18 pm. On the last day of January, sunrise is at 8:09 am and sunset at 5:05 pm GMT.
Sunshine
The average sunshine in January is 4.2h.UV index
The months with the lowest UV index are January, February and November, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during January leads to these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Ballyknockan have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Ballyknockan, Ireland
- Average high temperature in January: 7.9°C
The warmest month (with the highest average high temperature) is August (16.6°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in January: 5.1°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in January
Ballyknockan, Ireland
- Average pressure in January: 1012mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.6mbar).
Average wind speed in January
Ballyknockan, Ireland
- Average wind speed in January: 26.7km/h
The windiest month (with the highest average wind speed) is December (26.9km/h).
The calmest month (with the lowest average wind speed) is July (16.6km/h).
Average humidity in January
Ballyknockan, Ireland
- Average humidity in January: 83%
The months with the highest relative humidity are June, July and August (86%).
The month with the lowest relative humidity is March (82%).
Average rainfall in January
Ballyknockan, Ireland
- Average rainfall in January: 16mm
The wettest month (with the highest rainfall) is November (38mm).
The driest months (with the least rainfall) are January and May (16mm).
Average rainfall days in January
Ballyknockan, Ireland
- Average rainfall days in January: 11.1 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (10.1 days).
Average snowfall in January
Ballyknockan, Ireland
- Average snowfall in January: 4mm
The month with the highest snowfall is December (7mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Ballyknockan, Ireland
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is January (1.3 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
Ballyknockan, Ireland
- Average daylight in January: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in January: 4h and 1min
The months with the most sunshine are May and June (Average sunshine: 7h and 48min).
The months with the least sunshine are February and November (Average sunshine: 4h and 6min).
Average sunshine days in January
Ballyknockan, Ireland
- Average sunshine days in January: 15.7 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in January
Ballyknockan, Ireland
- 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 and November (UV index 2).
Average cloud cover in January
Ballyknockan, Ireland
- Average cloud cover in January: 57
The months with the most cloud cover are February and November (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in January
Ballyknockan, Ireland
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (10km).
The months with the lowest visibility are May and July (9km).
