Dublin City · Ireland
Dublin in January
In January, Dublin averages a daytime high of 8 °C and a night-time low of 3 °C, with about 99 mm of rain over the month. It falls outside Dublin's most comfortable months, July.
- Average high
- 8 °C
- Average low
- 3 °C
- Rain in the month
- 99 mm
- Daylight on 15 Jan
- 8 h 10 min
- Comfortable month
- No
- Places to stay
- 202
When to go
How January compares with the rest of the year in Dublin
January is tied for the coolest month in Dublin by average daytime high; across the year the highs run from 8 °C to 19 °C and the lows from 3 °C to 11 °C. By day, January is about the same as December, and February is about the same as January.
January brings 99 mm of rain, more than the monthly average of 90 mm (1079 mm a year); it is the 4th wettest month.
On 15 January the sun is up for about 8 h 10 min, against 7 h 30 min at the shortest and 17 h at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 8 °C | 3 °C | 99 mm | |
| February | 8 °C | 3 °C | 85 mm | |
| March | 10 °C | 3 °C | 76 mm | |
| April | 12 °C | 4 °C | 70 mm | |
| May | 15 °C | 7 °C | 76 mm | |
| June | 17 °C | 10 °C | 73 mm | |
| July | 19 °C | 11 °C | 79 mm | Yes |
| August | 19 °C | 11 °C | 85 mm | |
| September | 17 °C | 10 °C | 91 mm | |
| October | 13 °C | 7 °C | 109 mm | |
| November | 10 °C | 5 °C | 117 mm | |
| December | 8 °C | 3 °C | 120 mm |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is January a good time to visit Dublin?
Not by the measure used here: the average high of 8 °C is below 18 °C and about 99 mm of rain is 80 mm or more. The comfortable months in Dublin are July; the nearest is July.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in Ireland in January
Nationwide public holidays; shops and offices may close on these dates.
Where to stay
Where to stay in Dublin
This guide lists 202 places to stay in Dublin: 7 chain properties with their details and own websites, and 195 hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 57; 1–3 km, 74; 3–10 km, 36; 10 km or more, 35.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from the OpenHolidays API (ODbL); places to stay from each operator's own public pages and Wikidata. How this guide is made.