Best time to visit
Best time to visit Ireland
Our pick: May and SeptemberBest valueChecked 22 October 2026
Best value: Mar–May, Sep–Oct. Busy and pricier: Jun–Aug. Quiet: Nov–Feb.
- Best value
- Busy and pricier
- Quiet
RatingBest value
Ireland is green because it rains in every season, so plan for showers whenever you go. Summer has the longest days, and St Patrick's Day on 17 March fills Dublin.
Month by month in Dublin
- J6°
- F6°
- M6°
- A8°
- M11°
- J14°
- J15°
- A15°
- S14°
- O11°
- N8°
- D6°
Best valueBusy and pricierQuiet
Average temperature each month (NASA POWER, 2001 to 2025), coloured by season.
Before you go
- Book Dublin hotels early for St Patrick's Day and big rugby or concert weekends.
Stay and do
Ready to book Ireland? Compare places to stay and things to do.
We may earn a commission if you book through these links, at no extra cost to you. It never affects our ratings.
Questions people ask
What's the best month to visit Ireland?
May or June, for long days, flowering hedgerows and some of the driest weather of the year.
What is the warmest month in Dublin?
July, averaging 15°C. The coolest is January, at 6°C.
When is peak season in Ireland?
Jun–Aug, when prices are highest. For better value, try Mar–May, Sep–Oct.