May weather in Altoona, WI

The average temperature in Altoona in May is 59.0°F (48.6°F–69.3°F). Average precipitation: 4.12 inches. Average snowfall is 0.5 inches.

May is a spring month in Altoona, and is warmer than the annual average of 46°F. Daily temperatures swing about 20.7°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 14h 38m. For travel, May is a comfortable month to visit.

Avg High
69.3°F
Avg Low
48.6°F
Precipitation
4.12 in
Snow
0.5 in

May records in Altoona

Date Record High Record Low Record Precip
May 1 88.0°F (2021) 33.1°F (2011) 0.80 in (2017)
May 2 82.9°F (2012) 32.0°F (2013) 0.81 in (2024)
May 3 82.9°F (2015) 32.0°F (2013) 1.43 in (2008)
May 4 80.1°F (2025) 28.9°F (2011) 0.64 in (2013)
May 5 80.1°F (2018) 35.1°F (2016) 1.08 in (2023)
May 6 89.1°F (2016) 39.0°F (2021) 1.10 in (2012)
May 7 84.0°F (2018) 37.0°F (2017) 0.54 in (2010)
May 8 80.1°F (2013) 28.9°F (2021) 1.11 in (2019)
May 9 82.9°F (2025) 28.9°F (2020) 1.29 in (2006)
May 10 82.9°F (2022) 37.0°F (2019) 0.82 in (2004)
May 11 84.0°F (2025) 30.0°F (2021) 1.26 in (2003)
May 12 96.1°F (2022) 28.9°F (2020) 0.93 in (2014)
May 13 87.1°F (2025) 32.0°F (2013) 0.90 in (2005)
May 14 91.9°F (2013) 35.1°F (2016) 0.81 in (2004)
May 15 84.0°F (2025) 28.9°F (2016) 0.46 in (2025)
May 16 84.9°F (2018) 34.0°F (2014) 1.05 in (2017)
May 17 84.0°F (2024) 37.0°F (2014) 1.56 in (2020)
May 18 88.0°F (2012) 36.0°F (2016) 1.49 in (2000)
May 19 88.0°F (2012) 35.1°F (2015) 1.68 in (2014)
May 20 81.0°F (2020) 33.1°F (2015) 1.46 in (2001)
May 21 81.0°F (2016) 41.0°F (2015) 1.07 in (2013)
May 22 82.9°F (2016) 37.9°F (2022) 0.84 in (2011)
May 23 84.0°F (2016) 36.0°F (2022) 0.52 in (2011)
May 24 88.0°F (2018) 36.0°F (2013) 0.93 in (2012)
May 25 86.0°F (2018) 41.0°F (2025) 1.26 in (2016)
May 26 93.9°F (2018) 43.0°F (2025) 1.36 in (2008)
May 27 95.0°F (2018) 39.9°F (2021) 1.94 in (2019)
May 28 96.1°F (2018) 39.0°F (2021) 0.80 in (2009)
May 29 91.9°F (2018) 36.0°F (2021) 0.82 in (2013)
May 30 89.1°F (2023) 48.0°F (2015) 1.07 in (2018)
May 31 89.1°F (2023) 39.0°F (2015) 1.05 in (2004)

Other months in Altoona