Ireland
Dublin in March: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Dublin in March is climatically mixed. The average daily high is around 9 °C, and the sea is about 8 °C. With about 15 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
22/100 · #8
Warmth
#9
Dryness
#6
Sun
#7
Sea warmth
#12
Published best categories: none
Dublin · MarchPhoto: Holger Uwe Schmitt · CC BY-SA 4.0Climate facts
- Average high
- 9 °C
- Average low
- 4 °C
- Sea
- 8 °C
- Rainy days (est.)
- 15 rainy days (est.)
- Sun (est.)
- 3 h/day
- Humidity
- 88 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| February | 8 | 4 | 15 | 71 | 1.7 | 90 | 5.5 | 8 | 19 |
| March (selected) | 9 | 4 | 15 | 70 | 3.1 | 88 | 4.8 | 8 | 22 |
| April | 11 | 6 | 14 | 68 | 4.7 | 86 | 4.2 | 9 | 29 |
How do the previous and next months compare?
Baseline: March (22/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| February | -3 | -1.2 °C | -0.5 °C | -0.2 | +0.5 mm | -1.4 h | +1.5 % | +0.7 m/s | +0.2 °C |
| April | +7 | +1.8 °C | +1.3 °C | -0.9 | -2.3 mm | +1.6 h | -2.2 % | -0.6 m/s | +0.9 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Dublin in March?
The average daily high is around 9 °C, with an average daily low of about 4 °C.
Can you swim in Dublin in March?
The sea is about 8 °C (cold).
Does it rain a lot in Dublin in March?
The curated estimate is about 15 rainy days per month, not a directly measured long-term average. Total precipitation averages around 70 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Dublin?
No month in Dublin reaches the threshold for a clear recommendation in the climate score; the month comparison above shows the differences.