May weather in Jackson, WI
The average temperature in Jackson in May is 56.3°F (45.6°F–67.0°F). Average precipitation: 3.35 inches.
May is a spring month in Jackson, and is warmer than the annual average of 46.7°F. Daily temperatures swing about 21.4°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 30m. For travel, May is a comfortable month to visit.
Avg High
67.0°F
Avg Low
45.6°F
Precipitation
3.35 in
Daylight
14h 30m
May records in Jackson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 86.0°F (2013) | 34.0°F (2020) | 0.79 in (2022) |
| May 2 | 87.1°F (2021) | 34.0°F (2020) | 0.58 in (2025) |
| May 3 | 84.9°F (2021) | 30.9°F (2017) | 0.94 in (2018) |
| May 4 | 79.0°F (2015) | 32.0°F (2017) | 0.81 in (2021) |
| May 5 | 77.0°F (2024) | 33.1°F (2019) | 0.65 in (2024) |
| May 6 | 77.0°F (2018) | 34.0°F (2022) | 0.34 in (2019) |
| May 7 | 84.9°F (2016) | 36.0°F (2017) | 0.71 in (2012) |
| May 8 | 84.0°F (2015) | 30.0°F (2017) | 1.77 in (2024) |
| May 9 | 84.0°F (2018) | 30.0°F (2017) | 1.21 in (2009) |
| May 10 | 75.0°F (2022) | 30.0°F (2020) | 1.22 in (2013) |
| May 11 | 88.0°F (2022) | 35.1°F (2021) | 1.11 in (2016) |
| May 12 | 88.0°F (2022) | 33.1°F (2020) | 0.62 in (2018) |
| May 13 | 91.9°F (2022) | 28.9°F (2013) | 0.91 in (2010) |
| May 14 | 91.0°F (2022) | 30.0°F (2013) | 1.17 in (2009) |
| May 15 | 87.1°F (2022) | 33.1°F (2016) | 0.29 in (2020) |
| May 16 | 84.0°F (2012) | 34.0°F (2016) | 0.58 in (2025) |
| May 17 | 84.9°F (2017) | 37.9°F (2009) | 0.26 in (2019) |
| May 18 | 82.0°F (2017) | 36.0°F (2023) | 2.21 in (2020) |
| May 19 | 86.0°F (2024) | 36.0°F (2023) | 0.23 in (2020) |
| May 20 | 88.0°F (2012) | 35.1°F (2015) | 0.12 in (2020) |
| May 21 | 90.0°F (2012) | 37.9°F (2015) | 1.46 in (2025) |
| May 22 | 84.0°F (2014) | 39.9°F (2015) | 1.15 in (2025) |
| May 23 | 87.1°F (2021) | 41.0°F (2015) | 1.09 in (2011) |
| May 24 | 82.9°F (2023) | 37.0°F (2013) | 0.76 in (2021) |
| May 25 | 87.1°F (2018) | 37.9°F (2013) | 1.10 in (2024) |
| May 26 | 88.0°F (2018) | 37.9°F (2023) | 0.95 in (2022) |
| May 27 | 91.0°F (2018) | 37.0°F (2011) | 0.38 in (2024) |
| May 28 | 96.1°F (2018) | 33.1°F (2011) | 0.61 in (2021) |
| May 29 | 91.9°F (2018) | 37.9°F (2021) | 1.31 in (2017) |
| May 30 | 87.1°F (2018) | 35.1°F (2021) | 0.70 in (2015) |
| May 31 | 90.0°F (2023) | 37.0°F (2021) | 0.63 in (2013) |