January weather forecastDundrum, Ireland
January weather for Dundrum, Ireland: The months with the lowest UV index in Dundrum, Ireland, are January, February, November and December, with an average maximum UV index of 2. January, the same as December, in Dundrum, Ireland, is a frosty winter month, with an average temperature ranging between min 4.5°C (40.1°F) and max 7.8°C (46°F).
January
Weather in January
January, the same as December, in Dundrum, Ireland, is a frosty winter month, with an average temperature ranging between min 4.5°C (40.1°F) and max 7.8°C (46°F).Temperature
Lowest temperatures are observed in January and February, averaging a high-temperature of 7.8°C (46°F).Humidity
The average relative humidity in January is 84%.Rainfall
In Dundrum, Ireland, during January, the rain falls for 16.6 days and regularly aggregates up to 41mm (1.61") of precipitation. Throughout the year, there are 200.5 rainfall days, and 530mm (20.87") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Dundrum, in January, snow falls for 1.3 days, with typically accumulated 5mm (0.2") of snow. Throughout the year, in Dundrum, there are 4.6 snowfall days, and 24mm (0.94") of snow is accumulated.Daylight
In Dundrum, the average length of the day in January is 8h and 11min.On the first day of the month, sunrise is at 8:39 am and sunset at 4:16 pm. On the last day of January, in Dundrum, sunrise is at 8:11 am and sunset at 5:05 pm GMT.
Sunshine
In Dundrum, the average sunshine in January is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dundrum. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In January, a regular UV index of 2 translates into these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Dundrum, Ireland
- Average high temperature in January: 7.8°C
The warmest months (with the highest average high temperature) are July and August (16.9°C).
The months with the lowest average high temperature are January and February (7.8°C).
- Average low temperature in January: 4.5°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 (4.4°C).
Average pressure in January
Dundrum, Ireland
- Average pressure in January: 1011.6mbar
The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.3mbar).
Average wind speed in January
Dundrum, Ireland
- Average wind speed in January: 25.8km/h
The windiest month (with the highest average wind speed) is December (25.9km/h).
The calmest month (with the lowest average wind speed) is July (15.9km/h).
Average humidity in January
Dundrum, Ireland
- Average humidity in January: 84%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is March (82%).
Average rainfall in January
Dundrum, Ireland
- Average rainfall in January: 41mm
The wettest month (with the highest rainfall) is November (71mm).
The driest month (with the least rainfall) is May (27mm).
Average rainfall days in January
Dundrum, Ireland
- Average rainfall days in January: 16.6 days
The month with the highest number of rainy days is July (20.4 days).
The months with the least rainy days are March and September (14.9 days).
Average snowfall in January
Dundrum, Ireland
- Average snowfall in January: 5mm
The month with the highest snowfall is December (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Dundrum, Ireland
- Average snowfall days in January: 1.3 days
The months with the highest number of snowfall days are January and February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Dundrum, Ireland
- Average daylight in January: 8h and 12min
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 24min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).
Average sunshine days in January
Dundrum, Ireland
- Average sunshine days in January: 10.9 days
The month with the most sunshine days is April (11.7 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in January
Dundrum, 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
Dundrum, Ireland
- Average cloud cover in January: 55
The months with the most cloud cover are February and November (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in January
Dundrum, Ireland
- Average visibility in January: 10km
The months with the highest visibility are January, March, October and November (10km).
The months with the lowest visibility are February, April, May, June, July, August, September and December (9km).
