May weather in St. George, AK
The average temperature in St. George in May is 37.6°F (33.5°F–41.7°F). Average precipitation: 1.01 inches.
May is a spring month in St. George, and is warmer than the annual average of 36.7°F. Daily temperatures swing about 8.2°F between overnight low and afternoon high. Expect about 13 days with precipitation. Daylight averages about 16h 8m. For travel, May is cold.
Avg High
41.7°F
Avg Low
33.5°F
Precipitation
1.01 in
Daylight
16h 8m
May records in St. George
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 48.0°F (2003) | 18.1°F (2010) | 0.13 in (2014) |
| May 2 | 48.0°F (2004) | 22.1°F (2008) | 0.15 in (2018) |
| May 3 | 48.9°F (2004) | 22.1°F (2008) | 0.34 in (2024) |
| May 4 | 45.0°F (2009) | 19.2°F (2012) | 0.18 in (1998) |
| May 5 | 48.9°F (2015) | 18.1°F (2022) | 0.14 in (2004) |
| May 6 | 52.0°F (2023) | 20.1°F (2018) | 0.43 in (2018) |
| May 7 | 52.0°F (2023) | 22.1°F (2024) | 0.51 in (2023) |
| May 8 | 53.1°F (2023) | 21.2°F (2024) | 0.24 in (2018) |
| May 9 | 48.0°F (2005) | 13.1°F (2024) | 0.49 in (2020) |
| May 10 | 48.9°F (2005) | 24.3°F (2012) | 0.31 in (2019) |
| May 11 | 53.1°F (2005) | 19.2°F (2012) | 0.36 in (2017) |
| May 12 | 50.0°F (2005) | 18.1°F (2012) | 0.28 in (2011) |
| May 13 | 48.9°F (2020) | 15.3°F (2012) | 0.44 in (2011) |
| May 14 | 50.0°F (2020) | 26.2°F (2007) | 0.39 in (1998) |
| May 15 | 127.9°F (2023) | 27.1°F (2010) | 0.30 in (2017) |
| May 16 | 50.0°F (2020) | 28.2°F (2007) | 0.50 in (1998) |
| May 17 | 46.9°F (2002) | 24.3°F (2013) | 0.28 in (2018) |
| May 18 | 48.9°F (2015) | 25.2°F (2025) | 0.16 in (2018) |
| May 19 | 52.0°F (2003) | 28.0°F (1998) | 0.38 in (2006) |
| May 20 | 48.9°F (2003) | 27.1°F (2007) | 0.36 in (2024) |
| May 21 | 54.0°F (2002) | 27.1°F (2010) | 0.28 in (2017) |
| May 22 | 55.9°F (2002) | 25.2°F (2010) | 0.48 in (2004) |
| May 23 | 50.0°F (2009) | 27.1°F (2010) | 0.26 in (2020) |
| May 24 | 54.0°F (2006) | 30.2°F (2012) | 0.40 in (2013) |
| May 25 | 55.9°F (2006) | 30.2°F (2009) | 0.48 in (2013) |
| May 26 | 63.0°F (1997) | 28.2°F (2024) | 0.19 in (2014) |
| May 27 | 61.0°F (1997) | 27.1°F (2024) | 0.32 in (2019) |
| May 28 | 51.1°F (2016) | 31.1°F (2012) | 0.40 in (2018) |
| May 29 | 53.1°F (1997) | 32.0°F (1999) | 0.19 in (1998) |
| May 30 | 52.0°F (2003) | 29.1°F (2012) | 0.21 in (2011) |
| May 31 | 54.0°F (1997) | 29.1°F (2012) | 0.67 in (2011) |