Things to Do in Bangor in May
May weather, activities, events & insider tips
Low Season · Budget Friendly
May Weather in Bangor
Temperature, rainfall and humidity at a glance
64°F (18°C)
High Temp
45°F (7°C)
Low Temp
3.4 inches (86 mm)
Rainfall
70%
Humidity
⚠ Black fly season peaks mid-May through mid-June. These insects bite aggressively near streams, rivers, and wooded trails throughout Penobscot County. DEET repellent and head nets are strongly recommended for extended outdoor activity.
⚠ Late frost can still hit through early May. Watch low-lying areas and river valleys. Overnight lows near 0°C (32°F) strike during the first week. Spring feels established. It is not. Pack accordingly.
What's On in Bangor in May
Bangor in May offers average highs of 18°C and average lows of 7°C, with average rainfall of 86 mm. Visitors will find Memorial Day falls on Monday 31 May 2027. May is 7°C warmer than April and drier than April (86 mm vs 109 mm).
May Climate Compared
| Month | Avg high | Avg low | Rainfall |
|---|---|---|---|
| April | 11°C | 1°C | 109 mm |
| May | 18°C | 7°C | 86 mm |
| June | 23°C | 13°C | 102 mm |
May is 7°C warmer than April; drier than April (86 mm vs 109 mm); 5°C cooler than June; drier than June (86 mm vs 102 mm).
Long-run monthly averages. Source: Open-Meteo.
Daylight in May
Day length: 14 h 13 min on 1 May, 14 h 49 min on 15 May (+83 min compared with mid-April).
Computed from the city's coordinates (sunrise to sunset, standard solar geometry).
Public Holidays and Long Weekends
- Memorial Day: Monday 31 May 2027 (3-day weekend (Sat–Mon))
Holiday dates: Nager.Date. Long-weekend notes are computed from the weekday.
Notable Places to Visit
Places within 8 km, ordered by Wikipedia coverage. Opening hours as mapped in OpenStreetMap (fetched 2026-10-16); check before you go. Data © OpenStreetMap contributors (ODbL); descriptions from Wikidata (CC0).
Quick Answers
How much rain does Bangor get in May?
On average 86 mm in May, drier than June (86 mm vs 102 mm).
How warm is Bangor in May?
Average highs are 18°C and average lows 7°C.
How long are the days in Bangor in May?
About 14 h 49 min of daylight on 15 May.
Are there public holidays in Bangor in May?
Yes: Memorial Day on Monday 31 May 2027. 1 of them create a long weekend.
What are some notable places to visit in Bangor?
Thomas Hill Standpipe, All Souls Congregational Church, Bass Park, Battleship Maine Monument (from OpenStreetMap and Wikidata).
Where to Stay in Bangor in May
Hand-picked hotels across price tiers for May travellers.
Public Holidays in May
Dates that affect opening hours, transport and crowds
Memorial Day
Observed nationwide as a public holiday.
Memorial Day
Observed nationwide as a public holiday.
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