Temperature
Cool by day, brisk at night.
58°Ftypical May high
Typical range
May climate
May in Belfast
United Kingdom · Europe
Cool days and some sun.
Good overall
Daytime high
58°F
Lows around 47°F
Rain
Frequent rain
Sun
11 h/day
Air feel
Very dry
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent. About 14 wet days this month.
46%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
10.9 hMay sunshine
Heat & humidity by month
Very dryMay Heat feel
Easy airWarm airHumid air
Hourly temperature pattern
In May, afternoons feel about 51° and nights feel near 42°.
Very coldColdCoolNight hours
Clear sky
Mostly cloudy skies this month.
32%May Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in May.
9 mphMay Light breeze
More detailIncludes daypart comfort
Typical May day
May late afternoons are around 57°F, easing to about 55°F in early evening.
Avg temp Typical range
Morning53°F
Rain25%
Cloud71%
Humid airLow
Sun intensityLow
Midday56°F
Rain34%
Cloud75%
Humid airLow
Sun intensityModerate
Late afternoon57°F
Rain31%
Cloud73%
Humid airLow
Sun intensityModerate
Early evening55°F
Rain21%
Cloud67%
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 | 46 | 39 | 2.9 | 14 | 4.0 | 85 |
| Feb | 47 | 40 | 2.5 | 12 | 5.5 | 83 |
| Mar | 49 | 40 | 2.4 | 13 | 7.1 | 81 |
| Apr | 53 | 43 | 2.4 | 13 | 9.4 | 79 |
| May | 58 | 47 | 2.8 | 14 | 10.9 | 78 |
| Jun | 62 | 52 | 3.0 | 14 | 10.7 | 80 |
| Jul | 65 | 55 | 3.3 | 15 | 9.9 | 81 |
| Aug | 64 | 55 | 3.3 | 15 | 9.1 | 83 |
| Sep | 62 | 53 | 2.9 | 13 | 7.7 | 83 |
| Oct | 56 | 48 | 3.6 | 14 | 5.7 | 84 |
| Nov | 51 | 44 | 3.3 | 14 | 4.4 | 86 |
| Dec | 47 | 40 | 3.3 | 14 | 3.4 | 87 |
Similar climates
Similar
Similar travel styleBrightonUnited KingdomSimilar travel styleCologneGermanySimilar travel styleDresdenGermanySimilar travel styleFrankfurtGermany
Want a side-by-side climate view? Compare Belfast with Brighton.
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 27, 2026
Data & methodology