May weather in Troy, ID
The average temperature in Troy in May is °F (°F–°F). Average precipitation: 2.83 inches.
May is a spring month in Troy, and is cooler than the annual average of 0°F. Expect about 11 days with precipitation. Daylight averages about 14h 50m.
Avg High
°F
Avg Low
°F
Precipitation
2.83 in
Daylight
14h 50m
May records in Troy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 71.8°F (2004) | 28.2°F (2008) | 0.60 in (2010) |
| May 2 | 77.4°F (2023) | 28.4°F (2001) | 0.50 in (2012) |
| May 3 | 76.6°F (2023) | 27.0°F (2010) | 0.50 in (2010) |
| May 4 | 77.2°F (2017) | 24.4°F (2010) | 0.40 in (2014) |
| May 5 | 68.5°F (2013) | 26.6°F (2010) | 1.10 in (2024) |
| May 6 | 78.4°F (2021) | 27.3°F (2002) | 0.60 in (2009) |
| May 7 | 72.5°F (2016) | 26.1°F (2002) | 0.50 in (2022) |
| May 8 | 78.4°F (2007) | 26.6°F (2002) | 0.20 in (2017) |
| May 9 | 73.2°F (2025) | 29.1°F (2022) | 1.40 in (2005) |
| May 10 | 77.2°F (2013) | 27.5°F (2012) | 0.40 in (2005) |
| May 11 | 76.8°F (2013) | 32.5°F (2004) | 0.50 in (2004) |
| May 12 | 75.9°F (2001) | 30.6°F (2008) | 0.60 in (2020) |
| May 13 | 73.4°F (2002) | 28.8°F (2022) | 0.70 in (2015) |
| May 14 | 78.3°F (2012) | 32.5°F (2017) | 1.00 in (2001) |
| May 15 | 84.7°F (2006) | 32.0°F (2003) | 0.80 in (2016) |
| May 16 | 82.4°F (2006) | 29.1°F (2003) | 1.40 in (2011) |
| May 17 | 84.2°F (2006) | 28.9°F (2003) | 1.50 in (2019) |
| May 18 | 86.0°F (2006) | 28.8°F (2003) | 0.70 in (2018) |
| May 19 | 78.8°F (2006) | 30.6°F (2022) | 0.30 in (2025) |
| May 20 | 80.8°F (2023) | 30.2°F (2010) | 0.90 in (2020) |
| May 21 | 72.5°F (2023) | 30.0°F (2010) | 0.70 in (2004) |
| May 22 | 78.6°F (2001) | 30.0°F (2013) | 0.70 in (2024) |
| May 23 | 85.8°F (2001) | 32.4°F (2010) | 0.70 in (2018) |
| May 24 | 87.6°F (2003) | 33.6°F (2010) | 1.10 in (2019) |
| May 25 | 78.6°F (2025) | 36.0°F (2011) | 0.50 in (2021) |
| May 26 | 76.5°F (2001) | 30.9°F (2011) | 1.10 in (2011) |
| May 27 | 78.8°F (2005) | 35.6°F (2011) | 0.50 in (2010) |
| May 28 | 80.6°F (2005) | 33.1°F (2007) | 0.50 in (2006) |
| May 29 | 80.1°F (2017) | 31.1°F (2001) | 0.40 in (2013) |
| May 30 | 82.4°F (2017) | 35.2°F (2022) | 0.20 in (2003) |
| May 31 | 75.9°F (2025) | 38.1°F (2004) | 0.80 in (2020) |