January weather forecastKillarney, Ireland
January
Weather in January
Transitioning from the mild December weather, Killarney's January temperature cools down slightly, offering a chilly embrace. This month proves to be the most rain-soaked period of the year, with precipitation reaching 160mm (6.3"). Winds often accompany this rainfall, enhancing the wintry impression. Sunlight is somehow scarce during this season, rendering the days shorter. Hence, most outdoor activities in January demand proper warm clothing and waterproof jackets.Temperature
Killarney's coldest period falls in January and February, when the average high-temperatures ascend to 8°C (46.4°F).Rainfall
In January, the rain falls for 23 days. Throughout January, 160mm (6.3") of precipitation is accumulated. In Killarney, during the entire year, the rain falls for 235 days and collects up to 1372mm (54.02") of precipitation.Daylight
The average length of the day in January is 8h and 22min.On the first day of the month, sunrise is at 8:46 am and sunset at 4:36 pm. On the last day of January, sunrise is at 8:20 am and sunset at 5:22 pm GMT.
Sunshine
In Killarney, the average sunshine in January is 2h.UV index
In January, the average daily maximum UV index is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the maximum UV index of 1 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Killarney, Ireland
- Average high temperature in January: 8°C
The warmest months (with the highest average high temperature) are July and August (18°C).
The months with the lowest average high temperature are January and February (8°C).
- Average low temperature in January: 3°C
The months with the highest average low temperature are July and August (11°C).
The coldest months (with the lowest average low temperature) are January and February (3°C).
Average rainfall in January
Killarney, Ireland
- Average rainfall in January: 160mm
The wettest month (with the highest rainfall) is December (166mm).
The driest month (with the least rainfall) is June (74mm).
Average rainfall days in January
Killarney, Ireland
- Average rainfall days in January: 23 days
The months with the highest number of rainy days are January and December (23 days).
The months with the least rainy days are April and July (16 days).
Average daylight in January /
Average sunshine in January
Killarney, Ireland
- Average daylight in January: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January: 2h
The month with the most sunshine is May (Average sunshine: 6h).
The month with the least sunshine is December (Average sunshine: 1h).
Average UV index in January
Killarney, Ireland
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 0).
