May weather in Galena, AK
The average temperature in Galena in May is 45.6°F (34.6°F–56.6°F). Average precipitation: 0.44 inches. Average snowfall is 0.4 inches.
May is a spring month in Galena, and is warmer than the annual average of 26°F. Daily temperatures swing about 22°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 18h 9m. For travel, May is cool.
Avg High
56.6°F
Avg Low
34.6°F
Precipitation
0.44 in
Snow
0.4 in
May records in Galena
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 62.1°F (2005) | 5.0°F (2001) | 0.29 in (2010) |
| May 2 | 64.0°F (2007) | -6.0°F (2001) | 0.07 in (2023) |
| May 3 | 68.0°F (2004) | -7.1°F (2001) | 0.28 in (2019) |
| May 4 | 68.0°F (2004) | 7.0°F (2001) | 0.21 in (2016) |
| May 5 | 69.1°F (2004) | 15.1°F (2001) | 0.08 in (2003) |
| May 6 | 59.0°F (2005) | 17.1°F (2001) | 0.26 in (2004) |
| May 7 | 63.0°F (2005) | 12.9°F (2001) | 0.06 in (2004) |
| May 8 | 64.9°F (2017) | 12.0°F (2001) | 0.17 in (2003) |
| May 9 | 63.0°F (2005) | 17.1°F (2001) | 0.13 in (2003) |
| May 10 | 68.0°F (2005) | 17.1°F (2001) | 0.12 in (2003) |
| May 11 | 75.0°F (2005) | 19.9°F (2011) | 0.19 in (2010) |
| May 12 | 73.0°F (2005) | 19.0°F (2000) | 0.30 in (2019) |
| May 13 | 71.1°F (2005) | 16.0°F (2013) | 0.20 in (2022) |
| May 14 | 68.0°F (2005) | 12.9°F (2013) | 0.40 in (2005) |
| May 15 | 66.0°F (1999) | 19.9°F (2013) | 0.03 in (2023) |
| May 16 | 73.0°F (1999) | 27.0°F (2000) | 0.10 in (2024) |
| May 17 | 71.1°F (2007) | 16.0°F (2013) | 0.30 in (2018) |
| May 18 | 73.9°F (2002) | 27.0°F (2001) | 0.46 in (2019) |
| May 19 | 75.9°F (2002) | 30.0°F (2023) | 0.07 in (2025) |
| May 20 | 81.0°F (2002) | 28.9°F (2001) | 0.16 in (2016) |
| May 21 | 82.9°F (2002) | 26.1°F (2001) | 0.34 in (2018) |
| May 22 | 82.9°F (2002) | 27.0°F (2001) | 0.28 in (2020) |
| May 23 | 79.0°F (2002) | 21.0°F (2001) | 0.28 in (2009) |
| May 24 | 81.0°F (2002) | 21.9°F (2001) | 0.12 in (2000) |
| May 25 | 84.9°F (2002) | 30.0°F (2003) | 0.16 in (1999) |
| May 26 | 82.9°F (2002) | 34.0°F (1999) | 0.49 in (1999) |
| May 27 | 84.9°F (2011) | 28.0°F (2001) | 0.24 in (2019) |
| May 28 | 82.9°F (2011) | 32.0°F (2001) | 0.10 in (2020) |
| May 29 | 79.0°F (2011) | 32.0°F (2000) | 0.36 in (1999) |
| May 30 | 79.0°F (2010) | 32.0°F (2025) | 0.15 in (2012) |
| May 31 | 78.1°F (2010) | 30.9°F (2002) | 0.15 in (2005) |