Davenport weather in May: Davenport, Iowa: normal highs, lows, rain and records for May
Davenport in May has a normal high of 73°F and a normal low of 51°F, a daily mean of 62°F, rising from 67°F on the 1st to 78°F by the 31st. Measurable precipitation falls on 13 days in a normal May, 4.82 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 23°C and low of 11°C, 122 mm of precipitation in May.
- NOAA stationDavenport
- Station IDUSW00094982
- Location41.61°N 90.58°W
- Elevation754 ft (230 m)
- Population100,938
- Jan 30° 14°
- Feb 34° 18°
- Mar 48° 29°
- Apr 61° 39°
- May 73° 51°
- Jun 81° 61°
- Jul 84° 64°
- Aug 82° 62°
- Sep 76° 53°
- Oct 63° 42°
- Nov 48° 30°
- Dec 35° 20°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Davenport in May?
The normal high is 73°F and the normal low 51°F, for a daily mean of 61.7°F. May is 11.4°F warmer than April and 9.4°F cooler than June. May is the 5th warmest month of the year in Davenport and the wettest. Across the month the normal high rises 11°F, from 67°F on May 1 to 78°F on May 31. From one year to the next May's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Mays in three average between 59°F and 65°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 44%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| May 1 | 67°F | 45°F | 41% | 25% |
| May 8 | 70°F | 48°F | 41% | 26% |
| May 15 | 72°F | 51°F | 42% | 27% |
| May 22 | 75°F | 54°F | 43% | 27% |
| May 31 | 78°F | 57°F | 44% | 27% |
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 31, coldest night May 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| May 1 | 67°F | 45°F | 41% | 25% | 14 h |
| May 2 | 67°F | 45°F | 41% | 25% | 14 h |
| May 3 | 68°F | 46°F | 41% | 25% | 14 h |
| May 4 | 68°F | 46°F | 41% | 25% | 14 h 10 min |
| May 5 | 68°F | 47°F | 41% | 25% | 14 h 10 min |
| May 6 | 69°F | 47°F | 41% | 26% | 14 h 10 min |
| May 7 | 69°F | 47°F | 41% | 26% | 14 h 10 min |
| May 8 | 70°F | 48°F | 41% | 26% | 14 h 10 min |
| May 9 | 70°F | 48°F | 42% | 26% | 14 h 20 min |
| May 10 | 70°F | 49°F | 42% | 26% | 14 h 20 min |
| May 11 | 71°F | 49°F | 42% | 26% | 14 h 20 min |
| May 12 | 71°F | 49°F | 42% | 26% | 14 h 20 min |
| May 13 | 72°F | 50°F | 42% | 26% | 14 h 30 min |
| May 14 | 72°F | 50°F | 42% | 26% | 14 h 30 min |
| May 15 | 72°F | 51°F | 42% | 27% | 14 h 30 min |
| May 16 | 73°F | 51°F | 42% | 27% | 14 h 30 min |
| May 17 | 73°F | 52°F | 42% | 27% | 14 h 30 min |
| May 18 | 73°F | 52°F | 42% | 27% | 14 h 40 min |
| May 19 | 74°F | 52°F | 42% | 27% | 14 h 40 min |
| May 20 | 74°F | 53°F | 42% | 27% | 14 h 40 min |
| May 21 | 74°F | 53°F | 43% | 27% | 14 h 40 min |
| May 22 | 75°F | 54°F | 43% | 27% | 14 h 40 min |
| May 23 | 75°F | 54°F | 43% | 27% | 14 h 40 min |
| May 24 | 76°F | 54°F | 43% | 27% | 14 h 50 min |
| May 25 | 76°F | 55°F | 43% | 27% | 14 h 50 min |
| May 26 | 76°F | 55°F | 43% | 27% | 14 h 50 min |
| May 27 | 77°F | 56°F | 44% | 27% | 14 h 50 min |
| May 28 | 77°F | 56°F | 44% | 27% | 14 h 50 min |
| May 29 | 77°F | 56°F | 44% | 27% | 14 h 50 min |
| May 30 | 77°F | 57°F | 44% | 27% | 15 h |
| May 31 | 78°F | 57°F | 44% | 27% | 15 h |
- Normal high
- 73°FMay average
- Normal low
- 51°FMay average
- Precipitation
- 4.82 inmonth total
- Days with precipitation
- 130.01 inch or more
- Days at 90°F or more
- 1
- Nights at 32°F or colder
- 1
- Daylight
- 14 h to 15 hMay 1 to May 31
- Days at 70°F or more
- 18
- Days at 80°F or more
- 9
- Sunshine
- 72%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00094982; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Davenport in May?
On a given May day the chance of 0.01 inch or more is 42% on average, highest around May 31 (44%). In all, 4.82 in falls on 13 days of a normal May, 2 of them with an inch or more.
In a normal May in Davenport, 1 days reach 90°F and 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094982.
What are the records for May in Davenport?
The warmest May temperature on this station's record (since 1996) is 97°F, on May 12, 2022; the coldest is 25°F, on May 3, 2005. The wettest May brought 9.27 in (2004).
The May mean against the 1991-2020 normal of 61.7°F: 2021 60.2°F (−1.5), 2022 64.9°F (+3.2), 2023 64.9°F (+3.2), 2024 65.0°F (+3.3), 2025 61.2°F (−0.5), 2026 62.4°F (+0.7). 4 of 6 ran warmer than normal.
| May | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 60.2°F | −1.5°F | 4.07 in |
| 2022 | 64.9°F | +3.2°F | 2.77 in |
| 2023 | 64.9°F | +3.2°F | 2.42 in |
| 2024 | 65.0°F | +3.3°F | 2.93 in |
| 2025 | 61.2°F | −0.5°F | 4.15 in |
| 2026 | 62.4°F | +0.7°F | 1.18 in |
Source: records: ACIS, station USW00094982; recent months: ACIS, station USW00094982. Records and recent months use complete months only.
How does May in Davenport compare across Iowa?
Across the 132 places PlainClimate covers in Iowa, May normal highs run from 66°F in Northwood to 74°F in Glenwood; Davenport's is 73°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.