May weather in Hartley, IA
The average temperature in Hartley in May is °F (°F–°F). Average precipitation: 4.31 inches.
May is a spring month in Hartley, and is cooler than the annual average of 0°F. Daylight averages about 14h 29m.
Avg High
°F
Avg Low
°F
Precipitation
4.31 in
Daylight
14h 29m
May records in Hartley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | — | — | 1.54 in (2017) |
| May 2 | — | — | 0.82 in (1956) |
| May 3 | — | — | 0.07 in (1956) |
| May 4 | — | — | 0.89 in (2018) |
| May 5 | — | — | 0.90 in (1994) |
| May 6 | — | — | 0.66 in (1994) |
| May 7 | — | — | 0.85 in (1993) |
| May 8 | — | — | 1.05 in (1993) |
| May 9 | — | — | 1.01 in (2019) |
| May 10 | — | — | 1.10 in (2016) |
| May 11 | — | — | 1.65 in (2018) |
| May 12 | — | — | 0.55 in (2016) |
| May 13 | — | — | 0.21 in (2014) |
| May 14 | — | — | 0.75 in (1957) |
| May 15 | — | — | 0.57 in (1965) |
| May 16 | — | — | 0.24 in (1957) |
| May 17 | — | — | 1.85 in (2020) |
| May 18 | — | — | 0.63 in (1993) |
| May 19 | — | — | 0.18 in (2013) |
| May 20 | — | — | 1.53 in (2012) |
| May 21 | — | — | 1.27 in (1957) |
| May 22 | — | — | 1.37 in (1966) |
| May 23 | — | — | 0.66 in (2020) |
| May 24 | — | — | 1.72 in (2012) |
| May 25 | — | — | 0.60 in (1965) |
| May 26 | — | — | 4.10 in (2013) |
| May 27 | — | — | 1.19 in (2021) |
| May 28 | — | — | 1.80 in (2012) |
| May 29 | — | — | 0.79 in (2016) |
| May 30 | — | — | 2.42 in (1993) |
| May 31 | — | — | 0.45 in (2012) |