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
The month of January, characterized by an average high of 7.6°C (45.7°F) and a low of 4°C (39.2°F), is recognized as the coldest.Humidity
In Glasnevin, the average relative humidity in January is 85%.Rainfall
In Glasnevin, in January, during 11.5 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Glasnevin, during the entire year, the rain falls for 159.4 days and collects up to 362mm (14.25") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Glasnevin, Ireland, during January, snow falls for 1.8 days and regularly aggregates up to 5mm (0.2") of snow. In Glasnevin, Ireland, during the entire year, snow falls for 6 days and aggregates up to 31mm (1.22") of snow.Daylight
In Glasnevin, the average length of the day in January is 8h and 10min.On the first day of January, sunrise is at 8:40 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:05 pm GMT.
Sunshine
January, February and November, with an average of 4.3h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What are the temperatures in January?
What is the average humidity in January?
How much does it rain in January?
How much does it snow in January?
How many hours of daylight does Glasnevin have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Glasnevin have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Glasnevin, Ireland
- Average high temperature in January: 7.6°C
The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in January: 4°C
The months with the highest average low temperature are July and August (12.1°C).
The coldest months (with the lowest average low temperature) are February and March (3.9°C).
Average pressure in January
Glasnevin, Ireland
- Average pressure in January: 1011.4mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.2mbar).
Average wind speed in January
Glasnevin, Ireland
- Average wind speed in January: 24.2km/h
The windiest month (with the highest average wind speed) is January (24.2km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).
Average humidity in January
Glasnevin, Ireland
- Average humidity in January: 85%
The months with the highest relative humidity are July and December (86%).
The months with the lowest relative humidity are March, April and May (83%).
Average rainfall in January
Glasnevin, Ireland
- Average rainfall in January: 20mm
The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is May (19mm).
Average rainfall days in January
Glasnevin, Ireland
- Average rainfall days in January: 11.5 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in January
Glasnevin, Ireland
- Average snowfall in January: 5mm
The month with the highest snowfall is December (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Glasnevin, Ireland
- Average snowfall days in January: 1.8 days
The month with the highest number of snowfall days is February (2.1 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
Glasnevin, Ireland
- Average daylight in January: 8h and 1min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in January: 4h and 2min
The months with the most sunshine are April, May and June (Average sunshine: 7h and 30min).
The months with the least sunshine are January, February and November (Average sunshine: 4h and 18min).
Average sunshine days in January
Glasnevin, Ireland
- Average sunshine days in January: 16.8 days
The months with the most sunshine days are January and December (16.8 days).
The month with the least sunshine days is July (11 days).
Average UV index in January
Glasnevin, 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, November and December (UV index 2).
Average cloud cover in January
Glasnevin, Ireland
- Average cloud cover in January: 57
The months with the most cloud cover are January and February (Cloud cover 57).
The months with the least cloud cover are April and September (Cloud cover 50).
Average visibility in January
Glasnevin, Ireland
- Average visibility in January: 10km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
