May weather in Bethel, DE
The average temperature in Bethel in May is 66.0°F (55.4°F–76.6°F). Average precipitation: 4.00 inches.
May is a spring month in Bethel, and is warmer than the annual average of 58.4°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Daylight averages about 14h 6m. For travel, May is a comfortable month to visit.
Avg High
76.6°F
Avg Low
55.4°F
Precipitation
4.00 in
Daylight
14h 6m
May records in Bethel
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| May 1 | 84.9°F (2017) | 42.1°F (2018) | 1.42 in (2023) |
| May 2 | 89.1°F (2018) | 41.0°F (2015) | 0.15 in (2012) |
| May 3 | 87.1°F (2018) | 44.1°F (2013) | 0.86 in (2016) |
| May 4 | 86.0°F (2018) | 41.0°F (2023) | 0.93 in (2020) |
| May 5 | 86.0°F (2018) | 43.0°F (2013) | 1.51 in (2017) |
| May 6 | 81.0°F (2015) | 43.0°F (2023) | 0.72 in (2016) |
| May 7 | 79.0°F (2015) | 44.1°F (2021) | 0.92 in (2013) |
| May 8 | 88.0°F (2024) | 43.0°F (2017) | 0.56 in (2021) |
| May 9 | 86.0°F (2024) | 37.0°F (2020) | 0.47 in (2023) |
| May 10 | 84.9°F (2013) | 33.1°F (2020) | 0.33 in (2024) |
| May 11 | 84.0°F (2018) | 44.1°F (2024) | 0.43 in (2016) |
| May 12 | 90.0°F (2018) | 39.9°F (2020) | 0.49 in (2019) |
| May 13 | 91.0°F (2018) | 39.9°F (2013) | 1.26 in (2019) |
| May 14 | 81.0°F (2018) | 36.0°F (2013) | 1.81 in (2018) |
| May 15 | 84.9°F (2018) | 44.1°F (2019) | 0.74 in (2024) |
| May 16 | 88.0°F (2025) | 37.9°F (2016) | 1.59 in (2014) |
| May 17 | 91.0°F (2017) | 46.0°F (2021) | 0.77 in (2025) |
| May 18 | 90.0°F (2017) | 45.0°F (2023) | 4.39 in (2018) |
| May 19 | 90.0°F (2017) | 42.1°F (2014) | 1.74 in (2018) |
| May 20 | 91.0°F (2022) | 48.0°F (2016) | 0.35 in (2023) |
| May 21 | 91.9°F (2022) | 48.0°F (2015) | 0.63 in (2015) |
| May 22 | 91.0°F (2022) | 48.0°F (2019) | 0.93 in (2017) |
| May 23 | 91.0°F (2021) | 48.0°F (2015) | 0.36 in (2020) |
| May 24 | 89.1°F (2021) | 48.0°F (2025) | 0.85 in (2022) |
| May 25 | 88.0°F (2024) | 46.0°F (2013) | 0.88 in (2017) |
| May 26 | 91.0°F (2021) | 44.1°F (2013) | 0.46 in (2017) |
| May 27 | 90.0°F (2021) | 45.0°F (2023) | 0.47 in (2022) |
| May 28 | 87.1°F (2016) | 54.0°F (2023) | 1.43 in (2018) |
| May 29 | 91.0°F (2019) | 53.1°F (2021) | 1.06 in (2021) |
| May 30 | 90.0°F (2019) | 51.1°F (2021) | 1.00 in (2021) |
| May 31 | 93.9°F (2022) | 48.9°F (2021) | 0.20 in (2025) |