Sandusky weather in May

In May, Sandusky sees average daytime highs of 67°F and overnight lows near 56°F, with 3.9 in of rain across 13 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 62°F in the first days to 71°F by the end. The sky is clear or mostly clear about 26% 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 Sandusky's 6th-clearest and 8th-windiest month. For the whole year in context, see Sandusky's year-round climate.

Daytime high
67°
5th warmest
Overnight low
56°
8th coldest
Rainfall
3.9 in
13 wet days
Daylight
14 h 18 min
5:17 AM – 7:37 PM
Cloud cover
62%
6th clearest
Wind
10 mph
8th windiest
Solar energy
6 kWh/m²
Travel score
5.6
out of 10

Sandusky is seat of Erie County, Ohio, USA.

Density
444/km²
people per km²
Founded
1818

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 62°F in the first days to 71°F by the end.

A typical May day in Sandusky reaches about 67°F in the afternoon and slips back to 56°F overnight — a 11°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 77°F. Set against its neighbours, May runs about 12°F warmer than April and about 10°F cooler than June.

40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16150
26150
36251
46251
56252
66352
76353
86453
96453
106453
116554
126554
136555
146655
156655
166656
176756
186756
196857
206857
216857
226958
236958
246959
257059
267059
277160
287160
297161
307261
317261

How May really feels in Sandusky

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.

Sandusky weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 22°3.01179.30.0
Feb34° / 23°2.49.15.410.30.0
Mar42° / 31°3.210.93.911.70.4
Apr55° / 44°4.013113.13.2
May67° / 56°3.913014.35.6
Jun76° / 66°4.012.2014.96.5
Jul80° / 70°3.511.6014.76.4
Aug78° / 68°3.411.2013.76.7
Sep71° / 61°2.99.3012.36.8
Oct60° / 49°3.110.6010.94.7
Nov48° / 39°3.210.11.49.71.6
Dec38° / 29°3.010.34.69.10.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44159
54159
64060
74159
84159
94258
104258
114258
124159
134159
144258
154258
164258
174159
184258
194159
204159
214159
224258
234258
244258
254258
264357
274357
284357
294357
304456
314456

Chance of precipitation in May

Any precipitation

Sandusky gets around 3.9 in of rain over 13 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 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
142
242
342
442
542
642
742
842
942
1042
1143
1243
1343
1443
1543
1643
1743
1843
1942
2042
2142
2242
2341
2441
2541
2641
2741
2841
2941
3041
3141

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 65% 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 (%)
18710300
28611300
38312410
48213410
58014510
68014510
77715620
87615720
97615720
107316830
117316830
127216930
137116940
1469171040
1568171140
1667171150
1765181250
1864181350
1961181461
2061181461
2158191571
2257191671
2355191781
2451201892
2551201892
26492019102
27472120112
28462120112
29442121122
30432122122
31412122133

Wind in May

Winds average 10 mph in May.

Across May, daily wind ranges from about 10 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze
3110light 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 5:35 AM to 5:06 AM, and sunset from 7:21 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:357:21
213.85:347:22
313.85:337:23
413.95:317:24
513.95:307:25
614.05:297:26
714.05:277:27
814.05:267:28
914.15:257:29
1014.15:247:31
1114.15:237:32
1214.25:227:33
1314.25:217:34
1414.35:197:35
1514.35:187:36
1614.35:177:37
1714.45:167:38
1814.45:157:39
1914.45:157:40
2014.55:147:41
2114.55:137:42
2214.55:127:43
2314.55:117:44
2414.65:107:44
2514.65:107:45
2614.65:097:46
2714.65:087:47
2814.75:087:48
2914.75:077:49
3014.75:067:50
3114.75:067:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6 kWh/m².

For context, solar energy here swings from a low near 1.53 kWh/m² to a high of 6.55 kWh/m² in June across the year — May's 6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Intense
186.0Intense
196.0Intense
206.1Intense
216.1Intense
226.1Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Is May a good time to visit Sandusky?

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

5.6
Sightseeing
5th-best month of the year
2.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Sandusky for sightseeing.

What to pack for Sandusky in May

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

In May, Sandusky sees daytime highs around 67°F and nights near 56°F. Pack sun protection. Worth having: rain gear. About 13 days see rain.

sun protectionrain gear

Sea temperature near Sandusky in May

The nearest coast averages about 54°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 mi away) is warmest in August at about 75°F and coldest in February near 33°F.

It's comfortable for a long swim from Jun 21 to Sep 23 — about 3.1 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan34Bracing
Feb33Bracing
Mar35Bracing
Apr42Bracing
May54Bracing
Jun67Cool
Jul75Refreshing
Aug75Warm
Sep71Refreshing
Oct60Cool
Nov48Bracing
Dec39Bracing

UV index in Sandusky in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sandusky peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 19UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul8Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Sandusky 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 Sandusky is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1016 µg/m³Oct 248 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar13Moderate
Apr13Moderate
May15Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Sandusky?

Sandusky sits at 41.4°N, 82.7°W, 594 ft above sea level, in United States. The nearest listed city is Norwalk, 15 mi away.

Topography around Sandusky

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

Within 2 miles, the terrain around Sandusky has only modest variations in elevation — a maximum elevation change of 82 ft around an average of 581 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 341 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,148 ft.

The land around Sandusky is covered by water (38%) and artificial surfaces (29%) within 2 miles, water (48%) and cropland (25%) within 10 miles, and cropland (37%) and water (37%) within 50 miles.

2 miles
82 ft
10 miles
341 ft
50 miles
1,148 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Norwalk 15 mi · Fremont 22 mi · Lorain 27 mi · Elyria 32 mi · Tiffin 34 mi · Avon 35 mi · Avon Lake 35 mi · Avon Center 35 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 Sandusky (41.4489°, -82.708°, elevation 594 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).