May weather in Downey, ID
The average temperature in Downey in May is 52.6°F (38.1°F–67.1°F). Average precipitation: 2.29 inches.
May is a spring month in Downey, and is warmer than the annual average of 45.6°F. Daily temperatures swing about 29°F between overnight low and afternoon high. Daylight averages about 14h 25m. For travel, May is a comfortable month to visit.
Avg High
67.1°F
Avg Low
38.1°F
Precipitation
2.29 in
Daylight
14h 25m
May records in Downey
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 80.1°F (2021) | 10.0°F (1899) | 0.50 in (1899) |
| May 2 | 81.0°F (2023) | 21.0°F (2024) | 0.32 in (1896) |
| May 3 | 78.1°F (2015) | 21.9°F (2024) | 0.34 in (2022) |
| May 4 | 79.0°F (2014) | 19.9°F (1899) | 0.60 in (1898) |
| May 5 | 80.1°F (1897) | 25.0°F (1899) | 0.52 in (1896) |
| May 6 | 81.0°F (2017) | 27.0°F (1902) | 0.30 in (2024) |
| May 7 | 81.0°F (2018) | 21.0°F (1897) | 0.50 in (2015) |
| May 8 | 82.0°F (1902) | 19.9°F (1897) | 0.32 in (1896) |
| May 9 | 84.0°F (1902) | 27.0°F (2021) | 0.53 in (1896) |
| May 10 | 81.0°F (1900) | 25.0°F (2021) | 0.32 in (2014) |
| May 11 | 84.9°F (2025) | 26.1°F (2022) | 0.19 in (2018) |
| May 12 | 82.0°F (2025) | 27.0°F (2022) | 0.31 in (2018) |
| May 13 | 82.9°F (2025) | 28.9°F (1896) | 0.28 in (2018) |
| May 14 | 82.0°F (1897) | 23.0°F (1896) | 0.12 in (1896) |
| May 15 | 82.0°F (1897) | 25.0°F (1899) | 0.34 in (2025) |
| May 16 | 82.0°F (1901) | 25.0°F (1896) | 0.22 in (2015) |
| May 17 | 81.0°F (1901) | 21.0°F (1900) | 0.70 in (1898) |
| May 18 | 82.0°F (1901) | 21.9°F (1896) | 0.38 in (2025) |
| May 19 | 84.9°F (1897) | 25.0°F (1899) | 0.15 in (2015) |
| May 20 | 84.0°F (1897) | 26.1°F (1896) | 1.30 in (1898) |
| May 21 | 82.0°F (2023) | 28.0°F (2022) | 0.48 in (1897) |
| May 22 | 84.0°F (2023) | 25.0°F (2022) | 0.40 in (1898) |
| May 23 | 80.1°F (1897) | 27.0°F (2022) | 0.61 in (2020) |
| May 24 | 81.0°F (2014) | 24.1°F (1902) | 0.27 in (2023) |
| May 25 | 80.1°F (1900) | 25.0°F (1899) | 0.57 in (2014) |
| May 26 | 84.9°F (1902) | 27.0°F (2024) | 0.58 in (2016) |
| May 27 | 87.1°F (2022) | 33.1°F (2017) | 0.35 in (2015) |
| May 28 | 89.1°F (1896) | 28.0°F (1898) | 0.61 in (1898) |
| May 29 | 88.0°F (2014) | 30.0°F (1900) | 0.56 in (2022) |
| May 30 | 90.0°F (2020) | 28.9°F (1899) | 0.22 in (1896) |
| May 31 | 91.9°F (2020) | 33.1°F (2024) | 0.18 in (1896) |