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
Weather in January
Temperature
Entering January, the average high-temperature is recorded at a still chilly 7.2°C (45°F), exhibiting a minimal shift from December's 7.8°C (46°F). Dundrum's nighttime temperatures in January reveal a minimal variation from the daytime highs, averaging at a wintry 4.3°C (39.7°F).Humidity
In January, the average relative humidity in Dundrum is 85%.Rainfall
In Dundrum, during January, the rain falls for 14.7 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 181.5 rainfall days, and 542mm (21.34") of precipitation is accumulated.Snowfall
Months with snowfall in Dundrum are January through March, November and December. January is the month with the most snowfall in Dundrum, United Kingdom. Snow falls for 1.5 days and accumulates 9mm (0.35") of snow.Sea temperature
In January, the average sea temperature is 9.2°C (48.6°F).Note: Engaging in a swim in 9.2°C (48.6°F) can threaten life. Brief exposure to 13°C (55.4°F) waters is uneasy, and submersion below 10°C (50°F) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
In January, the average length of the day is 8h and 2min.On the first day of the month, sunrise is at 8:43 am and sunset at 4:09 pm. On the last day of January, in Dundrum, sunrise is at 8:13 am and sunset at 4:59 pm GMT.
Sunshine
January and February, with an average of 3.9h of sunshine, are months with the least sunshine in Dundrum, United Kingdom.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What is the temperature in January in Dundrum?
What is the average humidity in January in Dundrum?
How much does it rain in Dundrum in January?
When does it snow the most in Dundrum?
How many days does it snow in January in Dundrum?
How cold is the water in January in Dundrum?
How many hours of daylight does Dundrum have in January?
When are sunrise and sunset in January in Dundrum?
What are the months with the least sunshine in Dundrum?
How many hours of sunshine does Dundrum have in January?
What is the month with the lowest UV index in Dundrum?
How high is the UV index in January in Dundrum?
Average temperature in January
Dundrum, United Kingdom
- Average high temperature in January: 7.2°C
The warmest months (with the highest average high temperature) are July and August (16.6°C).
The month with the lowest average high temperature is February (7.1°C).
- Average low temperature in January: 4.3°C
The months with the highest average low temperature are July and August (12.1°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in January
Dundrum, United Kingdom
- Average pressure in January: 1010.5mbar
The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in January
Dundrum, United Kingdom
- Average wind speed in January: 24.3km/h
The windiest month (with the highest average wind speed) is December (24.4km/h).
The calmest month (with the lowest average wind speed) is July (15km/h).
Average humidity in January
Dundrum, United Kingdom
- Average humidity in January: 85%
The month with the highest relative humidity is August (87%).
The months with the lowest relative humidity are March, April and May (83%).
Average rainfall in January
Dundrum, United Kingdom
- Average rainfall in January: 34mm
The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is May (32mm).
Average rainfall days in January
Dundrum, United Kingdom
- Average rainfall days in January: 14.7 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in January
Dundrum, United Kingdom
- Average snowfall in January: 9mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Dundrum, United Kingdom
- Average snowfall days in January: 1.5 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in January
Dundrum, 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
Dundrum, 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: 3h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in January
Dundrum, United Kingdom
- Average sunshine days in January: 14.5 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in January
Dundrum, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are June, 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, United Kingdom
- Average cloud cover in January: 60
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in January
Dundrum, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are February, March, September, October, November and December (10km).
The months with the lowest visibility are January, April, May, June, July and August (9km).
Dundrum, United Kingdom
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