Muscatine weather in May

In May, Muscatine sees average daytime highs of 71°F and overnight lows near 53°F, with 4.6 in of rain across 13.2 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 67°F in the first days to 75°F by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 42 min by month's end. Set against the rest of the year, May is Muscatine's 7th-clearest and 8th-windiest month. For the whole year in context, see Muscatine's year-round climate.

Daytime high
71°
5th warmest
Overnight low
53°
8th coldest
Rainfall
4.6 in
13.2 wet days
Daylight
14 h 18 min
4:51 AM – 7:10 PM
Cloud cover
63%
7th clearest
Wind
8 mph
8th windiest
Solar energy
5.71 kWh/m²
Travel score
6.1
out of 10

Muscatine is city in and county seat of Muscatine County, Iowa, United States.

Density
509/km²
people per km²
Founded
1839

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 67°F in the first days to 75°F by the end.

A typical May day in Muscatine reaches about 71°F in the afternoon and slips back to 53°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 59°F and 83°F. Set against its neighbours, May runs about 11°F warmer than April and about 9°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16647
26648
36748
46749
56749
66849
76850
86950
96951
106951
117051
127052
137052
147152
157153
167153
177153
187253
197254
207354
217355
227355
237355
247456
257456
267456
277557
287557
297557
307658
317658

How May really feels in Muscatine

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Muscatine weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 15°1.77.15.19.30.0
Feb35° / 19°1.96.6410.30.0
Mar48° / 30°2.89.22.211.71.7
Apr60° / 42°4.111.80.713.14.6
May71° / 53°4.613.2014.36.1
Jun80° / 63°4.712014.96.2
Jul83° / 67°3.49.4014.75.9
Aug82° / 64°3.69.2013.76.6
Sep75° / 56°3.68.4012.37.2
Oct62° / 44°2.88.40.310.95.6
Nov48° / 32°2.47.51.29.71.8
Dec35° / 21°2.06.93.99.10.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
44060
53961
63961
74060
84060
94159
104159
114159
124258
134258
144258
154258
164159
174159
184159
194159
204258
214258
224258
234258
244258
254357
264357
274456
284456
294555
304555
314555

Chance of precipitation in May

Any precipitation

Muscatine gets around 4.6 in of rain over 13.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
341
441
541
641
742
842
942
1042
1142
1242
1342
1442
1542
1642
1742
1842
1942
2043
2143
2243
2343
2444
2544
2644
2744
2844
2944
3044
3144

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 66% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1869410
28410510
38311510
48112610
58013610
67813720
77714720
87515820
97415830
107216930
117216930
1270161040
1370161040
1469161050
1567171150
1667171150
1765171260
1865171260
1963171370
2062171380
2161171480
2260171490
23571815100
24571815100
25551816110
26541916110
27531916120
28511917121
29502017131
30482017141
31472118141

Wind in May

Winds average 8 mph in May.

Across May, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:09 AM to 4:39 AM, and sunset from 6:54 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:096:54
213.85:076:55
313.85:066:56
413.95:056:57
513.95:036:58
614.05:027:00
714.05:017:01
814.05:007:02
914.14:587:03
1014.14:577:04
1114.14:567:05
1214.24:557:06
1314.24:547:07
1414.34:537:08
1514.34:527:09
1614.34:517:10
1714.44:507:11
1814.44:497:12
1914.44:487:13
2014.44:477:14
2114.54:467:15
2214.54:457:16
2314.54:457:17
2414.64:447:18
2514.64:437:19
2614.64:427:20
2714.64:427:20
2814.74:417:21
2914.74:407:22
3014.74:407:23
3114.74:397:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.71 kWh/m².

For context, solar energy here swings from a low near 1.72 kWh/m² to a high of 6.39 kWh/m² in July across the year — May's 5.71 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.4Bright
45.4Bright
55.4Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.6Bright
115.6Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.9Bright
235.9Bright
245.9Bright
255.9Bright
265.9Bright
275.9Bright
285.9Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in May

Is May a good time to visit Muscatine?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.1
Sightseeing
4th-best month of the year
4.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Muscatine for sightseeing.

What to pack for Muscatine in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Muscatine sees daytime highs around 71°F and nights near 53°F. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

UV index in Muscatine in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Muscatine peaks around June 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 18UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec2Low

Air quality in Muscatine in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Muscatine is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1916 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar13Moderate
Apr11Good
May13Moderate
Jun13Moderate
Jul16Moderate
Aug15Moderate
Sep11Good
Oct7Good
Nov8Good
Dec9Good
Location & terrain

Where is Muscatine?

Muscatine sits at 41.4°N, 91.0°W, 581 ft above sea level, in United States. The nearest listed city is Rock Island, 25 mi away.

Topography around Muscatine

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Muscatine.

Within 2 miles, the terrain around Muscatine has only modest variations in elevation — a maximum elevation change of 210 ft around an average of 597 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 305 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 627 ft.

The land around Muscatine is covered by trees (31%) and artificial surfaces (21%) within 2 miles, cropland (52%) and trees (25%) within 10 miles, and cropland (71%) within 50 miles.

2 miles
210 ft
10 miles
305 ft
50 miles
627 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Rock Island 25 mi · Davenport 25 mi · Moline 28 mi · Bettendorf 28 mi · Iowa City 30 mi · East Moline 32 mi · Coralville 33 mi · North Liberty 37 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Muscatine (41.4245°, -91.0432°, elevation 581 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).