Temperature
Cool by day, brisk at night.
60°Ftypical May high
Typical range
May climate
May in Shannon
Ireland · Europe
Cool days and some sun.
Good overall
Daytime high
60°F
Lows around 47°F
Rain
Frequent rain
Sun
10 h/day
Air feel
Very dry
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent. About 15 wet days this month.
47%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
10.1 hMay sunshine
Heat & humidity by month
Very dryMay Heat feel
Easy airWarm airHumid air
Hourly temperature pattern
In May, afternoons feel about 53° and nights feel near 43°.
Very coldColdCoolNight hours
Clear sky
Mostly cloudy skies this month.
27%May Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in May.
8 mphMay Light breeze
More detailIncludes daypart comfort
Typical May day
May late afternoons are around 59°F, easing to about 56°F in early evening.
Avg temp Typical range
Morning53°F
Rain27%
Cloud73%
Humid airLow
Sun intensityLow
Midday58°F
Rain35%
Cloud80%
Humid airLow
Sun intensityModerate
Late afternoon59°F
Rain33%
Cloud81%
Humid airLow
Sun intensityModerate
Early evening56°F
Rain24%
Cloud73%
Humid airLow
Sun intensityLow
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 47 | 39 | 3.6 | 15 | 4.0 | 88 |
| Feb | 49 | 39 | 3.4 | 14 | 5.4 | 85 |
| Mar | 51 | 40 | 3.1 | 13 | 6.9 | 82 |
| Apr | 55 | 42 | 2.8 | 13 | 9.2 | 79 |
| May | 60 | 47 | 3.1 | 15 | 10.1 | 79 |
| Jun | 64 | 51 | 3.1 | 13 | 9.9 | 79 |
| Jul | 66 | 55 | 3.2 | 14 | 8.8 | 82 |
| Aug | 65 | 54 | 3.6 | 16 | 8.4 | 83 |
| Sep | 63 | 51 | 3.2 | 13 | 7.0 | 85 |
| Oct | 57 | 47 | 4.0 | 15 | 5.5 | 87 |
| Nov | 51 | 42 | 4.1 | 16 | 4.2 | 89 |
| Dec | 48 | 40 | 4.1 | 16 | 3.4 | 89 |
Similar climates
Similar
Similar travel styleAachenGermanySimilar travel styleAberystwythUnited KingdomSimilar travel styleAlfeld (Leine)GermanySimilar travel styleAlmeloNetherlands
Want a side-by-side climate view? Compare Shannon with Aachen.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 26, 2026
Data & methodology