May weather in Bayfield, WI
The average temperature in Bayfield in May is 49.8°F (39.5°F–60.0°F). Average precipitation: 3.51 inches.
May is a spring month in Bayfield, and is warmer than the annual average of 41.1°F. Daily temperatures swing about 20.5°F between overnight low and afternoon high. Daylight averages about 14h 50m. For travel, May is a comfortable month to visit.
Avg High
60.0°F
Avg Low
39.5°F
Precipitation
3.51 in
Daylight
14h 50m
May records in Bayfield
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 73.0°F (2018) | 34.0°F (2019) | 0.97 in (2022) |
| May 2 | 82.9°F (2021) | 28.0°F (2016) | 0.94 in (2017) |
| May 3 | 72.0°F (2020) | 28.0°F (2019) | 0.19 in (2024) |
| May 4 | 72.0°F (2024) | 26.1°F (2022) | 0.04 in (2021) |
| May 5 | 73.9°F (2018) | 28.0°F (2022) | 0.16 in (2024) |
| May 6 | 75.9°F (2016) | 28.0°F (2020) | 0.08 in (2023) |
| May 7 | 93.9°F (2016) | 26.1°F (2017) | 0.17 in (2023) |
| May 8 | 66.9°F (2018) | 25.0°F (2017) | 0.24 in (2024) |
| May 9 | 61.0°F (2022) | 26.1°F (2020) | 1.59 in (2019) |
| May 10 | 84.0°F (2025) | 28.9°F (2024) | 0.12 in (2019) |
| May 11 | 80.1°F (2022) | 27.0°F (2018) | 0.03 in (2016) |
| May 12 | 88.0°F (2025) | 26.1°F (2020) | 0.77 in (2022) |
| May 13 | 87.1°F (2025) | 25.0°F (2020) | 0.15 in (2022) |
| May 14 | 84.0°F (2025) | 30.9°F (2016) | 0.08 in (2020) |
| May 15 | 77.0°F (2022) | 27.0°F (2016) | 0.12 in (2017) |
| May 16 | 81.0°F (2023) | 34.0°F (2018) | 0.32 in (2017) |
| May 17 | 88.0°F (2018) | 28.0°F (2016) | 0.71 in (2017) |
| May 18 | 80.1°F (2021) | 30.9°F (2016) | 1.85 in (2017) |
| May 19 | 81.0°F (2024) | 28.9°F (2017) | 0.74 in (2019) |
| May 20 | 75.9°F (2024) | 28.9°F (2017) | 1.10 in (2019) |
| May 21 | 75.0°F (2023) | 32.0°F (2019) | 1.04 in (2021) |
| May 22 | 75.0°F (2016) | 36.0°F (2023) | 1.66 in (2024) |
| May 23 | 80.1°F (2021) | 35.1°F (2022) | 0.33 in (2021) |
| May 24 | 84.9°F (2023) | 34.0°F (2025) | 1.65 in (2016) |
| May 25 | 70.0°F (2018) | 32.0°F (2023) | 0.32 in (2018) |
| May 26 | 88.0°F (2018) | 34.0°F (2025) | 0.67 in (2016) |
| May 27 | 73.0°F (2018) | 36.0°F (2021) | 2.09 in (2020) |
| May 28 | 80.1°F (2018) | 28.9°F (2021) | 0.17 in (2018) |
| May 29 | 79.0°F (2020) | 28.0°F (2021) | 0.61 in (2017) |
| May 30 | 81.0°F (2019) | 36.0°F (2024) | 0.25 in (2018) |
| May 31 | 81.0°F (2016) | 35.1°F (2020) | 1.50 in (2018) |