Davenport, IA weather in May
Davenport is mild in May, with frequent rain: highs average 74°F and nights drop to about 51°F. There are about 12 days with rain.
- Normal high
- 74°F
- Normal low
- 51°F
- Wet days
- 12
- 4.7 in total
- Muggy days
- 2
- dew point 65°F+
How May changes from start to finish
| May 1 | May 31 | |
|---|---|---|
| Normal high | 69°F | 79°F |
| Normal low | 46°F | 56°F |
| Chance of a wet day | 40% | 39% |
| Sunrise / sunset | 5:59 am / 7:59 pm | 5:31 am / 8:28 pm |
| Daylight | 14.0 h | 15.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical May day
- 6 am55°Fdew point 49°F
- 9 am63°Fdew point 50°F
- Noon69°Fdew point 50°F
- 3 pm71°Fdew point 50°F
- 6 pm69°Fdew point 50°F
- 9 pm61°Fdew point 51°F
NOAA hourly normals (local standard time) from Moline Quad City Intl Airport (5 mi away); average wind 9 mph; clear or few clouds in 58% of daytime hours, mostly cloudy or overcast in 33%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F15 of 31
- Hot dayshigh 90°F or more1 of 31
- Muggy daysdaily mean dew point 65°F or more2 of 31
- Wet daysat least 0.01 in of rain or melted snow12 of 31
- Notable rainat least 0.10 in8 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per May, counted from daily records for each year 1991-2020.
Rain in May
Normal precipitation is 4.7 in; a dry May brings about 3.0 in and a wet one about 5.3 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How May varies from year to year
- Warmest May, 1991-20202018: average high 82°F
- Coolest May1996: average high 67°F
- Wettest May2019: 9.8 in
- Driest May1992: 0.3 in
- Highest reading99°F (May 28, 2018)
- Lowest reading25°F (May 3, 2005)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
May compared with April and June
| April | May | June | |
|---|---|---|---|
| Normal high | 63°F | 74°F | 83°F |
| Normal low | 40°F | 51°F | 61°F |
| Wet days | 11 | 12 | 11 |
| Comfortable days | 11 | 15 | 7 |
| Daylight | 13.3 h | 14.5 h | 15.1 h |
Highs change by +11°F from April and +9°F into June.
Nearby alternatives in May
- Cooler: Milwaukee, WI172 mi · high 67°F · 12 wet days
How Davenport ranks in May
- Normal high206th warmest of 378 cities; 1st of 3 in Iowa
- Wet days281st driest of 378
- Comfortable days101st most of 339
What to pack for Davenport in May
- A rain jacket or umbrella – rain on about 12 days
Heating and cooling
May has 153 heating degree days and 76 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Davenport in May?
The normal high is 74°F and the normal low is 51°F. From 1991 to 2020 the hottest May reading was 99°F (May 28, 2018).
Does it rain a lot in Davenport in May?
About 12 days in May have at least 0.01 in of precipitation, and the normal total is 4.7 in. The wettest May in 1991-2020 was in 2019 (9.8 in); the driest was in 1992 (0.3 in).
Is May a good time to visit Davenport?
May ranks 1st of 12 months on our comfort score for Davenport (71 out of 100). It has about 15 comfortable days and about 1 day at 90°F or hotter. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, humidity and wind by hour and cloud cover: Moline Quad City Intl Airport (USW00014923), 4.9 mi SE of the city center, 592 ft . NOAA normals and daily records, 1991-2020.
- Snow depth: Clinton #1 (USC00131635), 25 mi NE of the city center, 585 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Rock Island L&D 15 (USC00117391), 0.8 mi ESE of the city center, 568 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Quad City International Airport (725440-14923), 5.9 mi SSE of the city center, 576 ft . Hourly observations, 1991-2020.