Weather in Ireland in January 2018

Check the weather in Ireland in January before you book your next holiday. Long-term weather averages give the best indication of the weather in January 2018 and include figures for temperature, sunshine and rainfall plus sunrise & sunset times for Ireland plus [sunrise & sunset times].

The January weather guide for Ireland shown below is for Dublin.

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

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.

Metric (°C)  |  Imperial (°F)

More about Ireland weather

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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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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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