Bangor Weather in May
Average highs run from 14°C on May 1 to 17°C on May 31, and lows from 6°C to 9°C. Normal precipitation for the month is 68 mm over about 14 wet days.
May day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 15°C
- Average low
- 7°C
- Precipitation
- 68 mm
- Record high
- 25°CMay 22, 2010
- Record low
- -2°CMay 2, 1979
- Daylight
- 15 h 13 min to 16 h 53 min
- Cloud cover
- 73%
- Humidity
- 85%
- Dew point
- 8°C
- Wind
- 19.8 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 14°C | 6°C | 20°C 1997 | 0°C 1979 | 48% |
| May 2 | 14°C | 6°C | 21°C 1990 | -2°C 1979 | 47% |
| May 3 | 15°C | 6°C | 23°C 1990 | -1°C 1967 | 46% |
| May 4 | 14°C | 7°C | 21°C 1995 | -1°C 1979 | 46% |
| May 5 | 14°C | 6°C | 21°C 1995 | -1°C 1982 | 45% |
| May 6 | 15°C | 7°C | 22°C 1989 | 0°C 1979 | 45% |
| May 7 | 14°C | 6°C | 21°C 2016 | 0°C 1982 | 44% |
| May 8 | 15°C | 7°C | 22°C 2016 | 1°C 1991 | 44% |
| May 9 | 14°C | 6°C | 22°C 2016 | 1°C 1991 | 43% |
| May 10 | 14°C | 6°C | 21°C 2024 | 1°C 1989 | 45% |
| May 11 | 15°C | 6°C | 23°C 2006 | 1°C 2020 | 46% |
| May 12 | 15°C | 6°C | 21°C 2025 | 1°C 1995 | 48% |
| May 13 | 15°C | 7°C | 20°C 1988 | 1°C 1968 | 48% |
| May 14 | 15°C | 7°C | 21°C 1988 | 1°C 1977 | 48% |
| May 15 | 15°C | 7°C | 22°C 2025 | 1°C 1977 | 48% |
| May 16 | 15°C | 7°C | 21°C 1980 | 2°C 1987 | 47% |
| May 17 | 14°C | 7°C | 22°C 2025 | 3°C 1975 | 46% |
| May 18 | 16°C | 7°C | 22°C 1998 | 2°C 1995 | 45% |
| May 19 | 15°C | 8°C | 20°C 1998 | 0°C 1979 | 45% |
| May 20 | 15°C | 8°C | 21°C 1989 | 1°C 1965 | 46% |
| May 21 | 16°C | 8°C | 25°C 2010 | 2°C 2006 | 46% |
| May 22 | 16°C | 8°C | 25°C 2010 | 3°C 1963 | 47% |
| May 23 | 16°C | 8°C | 24°C 2007 | 2°C 2006 | 47% |
| May 24 | 16°C | 8°C | 24°C 2012 | 4°C 2006 | 47% |
| May 25 | 17°C | 8°C | 24°C 2012 | 4°C 2006 | 46% |
| May 26 | 17°C | 8°C | 23°C 2012 | 4°C 2000 | 46% |
| May 27 | 16°C | 8°C | 23°C 2018 | 3°C 1961 | 46% |
| May 28 | 17°C | 9°C | 22°C 1978 | 3°C 1961 | 45% |
| May 29 | 17°C | 9°C | 23°C 2003 | 3°C 1974 | 45% |
| May 30 | 17°C | 9°C | 23°C 1966 | 3°C 1980 | 45% |
| May 31 | 17°C | 9°C | 23°C 1978 | 3°C 1962 | 46% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- May 1
- sunrise 5:44 AM, sunset 8:57 PM
- May 31
- sunrise 4:54 AM, sunset 9:47 PM
Other months
Sources
Records: NOAA GHCN-Daily, station UKE00105877, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.