Weather in Ireland in January 2018

Check the weather in Ireland in January based on long-term weather averages before you book your next holiday to Ireland in 2018. Expect daytime temperatures to reach 46°F with on average 2 hours of sunshine per day in Ireland in January.

What is the weather like in Ireland in January?
How hot is Ireland in January? 46°F
How sunny is Ireland in January? 2 sunshine hours/day
How wet is Ireland in January? 2.4 inches rainfall
How warm is the sea around Ireland in January? 48°F

Weather in Ireland in January

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

  • 46°F maximum daytime temperature in January in Ireland (Dublin)46
    46°F max day temperature
  • 2 hours of sunshine per day (22% of daylight hours) in January in Ireland2
    2 hours of sunshine per day
  • 18 days with some rainfall in January in Ireland (Dublin)18
    18 days with some rainfall
  • 37°F minimum night-time temperature in January in Ireland (Dublin)37
    37°F min night temperature
  • 8 hours of daylight per day in January in Ireland (Dublin)8
    8 hours of daylight per day
  • No heat & humidity in January in Ireland (Dublin)0
    No heat & humidity
  • 2.4 inches monthly rainfall in January in Ireland (Dublin)2.4
    2.4 inches of monthly rainfall
  • No UV (maximum) index in January in Ireland (Dublin)0
    No UV (Maximum) Index UV index
  • 48°F sea temperature in January in Ireland (Dublin)48
    48°F sea temperature

Metric (°C)  |  Imperial (°F)

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More about Ireland

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

More about Ireland weather in January

The average maximum daytime temperature in Ireland in January is a cool 8°C (46°F). There are usually 2 hours of bright sunshine each day, which represents 22% of the 8 hours of daylight. The average sea temperature in and around Ireland in January is 9°C (48°F).

Expect 62mm (2.4 inches) of rainfall across the whole of January with 18 days with some rain falling. The average night-time temperature is usually a cold 3°C (37°F). The weather in Ireland in January is represented by Dublin.

Ireland sunrise & sunset times for January 2018

Browse the sunrise & sunset times for Ireland in January 2018. Select a month to view Ireland sunrise & sunset times for the next twelve months. The Ireland sunrise & sunset times shown below are for Dublin.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st January 2018 08:40 16:17
Tuesday, 2nd January 2018 08:40 16:18
Wednesday, 3rd January 2018 08:40 16:20
Thursday, 4th January 2018 08:39 16:21
Friday, 5th January 2018 08:39 16:22
Saturday, 6th January 2018 08:39 16:23
Sunday, 7th January 2018 08:38 16:25
Monday, 8th January 2018 08:38 16:26
Tuesday, 9th January 2018 08:37 16:28
Wednesday, 10th January 2018 08:36 16:29
Thursday, 11th January 2018 08:36 16:31
Friday, 12th January 2018 08:35 16:32
Saturday, 13th January 2018 08:34 16:34
Sunday, 14th January 2018 08:33 16:35
Monday, 15th January 2018 08:32 16:37
Tuesday, 16th January 2018 08:31 16:39
Wednesday, 17th January 2018 08:30 16:40
Thursday, 18th January 2018 08:29 16:42
Friday, 19th January 2018 08:28 16:44
Saturday, 20th January 2018 08:27 16:46
Sunday, 21st January 2018 08:26 16:47
Monday, 22nd January 2018 08:25 16:49
Tuesday, 23rd January 2018 08:23 16:51
Wednesday, 24th January 2018 08:22 16:53
Thursday, 25th January 2018 08:20 16:55
Friday, 26th January 2018 08:19 16:57
Saturday, 27th January 2018 08:18 16:59
Sunday, 28th January 2018 08:16 17:00
Monday, 29th January 2018 08:15 17:02
Tuesday, 30th January 2018 08:13 17:04
Wednesday, 31st January 2018 08:11 17:06
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Ireland weather by month

Check Ireland weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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