Home › Dates in May
What's happening in May in the UK
16 upcoming dates in May
New potato season
Food & seasonal produce
Mainland new potato season starts 2026 · 1 May
Mainland new potato season starts 2027 · 1 May
Open water swimming season UK
Outdoor leisure
2026 main swimming season begins · 1 May
2027 main swimming season begins · 1 May
Lido season UK
Outdoor leisure
2026 typical lido season opens · 1 May
2027 typical lido season opens · 1 May
Early May bank holiday
Bank holidays
Early May bank holiday 2026 · 4 May
Early May bank holiday 2027 · 3 May
Early May bank holiday 2028 · 1 May
Early May bank holiday 2029 · 7 May
Eurovision Song Contest
TV & entertainment
2026 Eurovision Semi-Final 1 · 12 May
2026 Eurovision Semi-Final 2 · 14 May
2026 Eurovision Grand Final · 16 May
2027 Eurovision expected window opens · 1 May
2027 Eurovision expected window closes · 31 May
Grass pollen season UK
Pollen & air quality
2026 grass pollen season begins · 15 May
2027 grass pollen season begins · 1 May
Midge season Scotland
Pollen & air quality
2026 midge season begins · 15 May
2027 midge season begins · 1 May
Chelsea Flower Show
Culture & events
Chelsea Flower Show 2026 starts · 19 May
Chelsea Flower Show 2026 ends · 23 May
Chelsea Flower Show 2027 starts · 18 May
Elderflower season
Food & seasonal produce
2026 elderflower season peak · 20 May
2027 elderflower season peak · 20 May
2028 elderflower season peak · 20 May
Spring bank holiday
Bank holidays
Spring bank holiday 2026 · 25 May
Spring bank holiday 2027 · 31 May
Spring bank holiday 2028 · 29 May
Spring bank holiday 2029 · 28 May
P60 deadline
Finance & bills
2025/26 P60 deadline · 31 May
2026/27 P60 deadline · 31 May
2027/28 P60 deadline · 31 May
Hay fever season UK
Pollen & air quality
2027 grass pollen season begins · 1 May
Basking shark season
Wildlife calendar
2027 basking shark season opens · 1 May
2028 basking shark season opens · 1 May
World Snooker Championship
Sport
World Snooker Championship 2027 ends · 3 May
Mental Health Awareness Week
Community & charity
Mental Health Awareness Week 2027 · 10 May
Mental Health Awareness Week 2028 · 15 May
Tree pollen season UK
Pollen & air quality
2027 tree pollen season ends · 31 May