Jenison weather in May

In May, Jenison sees average daytime highs of 68°F and overnight lows near 49°F, with 4.3 in of rain across 11.9 wet days and about 14.4 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 63°F in the first days to 72°F by the end. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 54 min at the start of May to 14 h 54 min by month's end. Set against the rest of the year, May is Jenison's 5th-clearest and 8th-windiest month. For the whole year in context, see Jenison's year-round climate.

Daytime high
68°
5th warmest
Overnight low
49°
8th coldest
Rainfall
4.3 in
11.9 wet days
Daylight
14 h 24 min
5:26 AM – 7:53 PM
Cloud cover
62%
5th clearest
Wind
8 mph
8th windiest
Solar energy
5.97 kWh/m²
Travel score
6.0
out of 10

Jenison is census designated place in Ottawa County, Michigan, United States.

Density
1,077/km²
people per km²
Founded
1836

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 63°F in the first days to 72°F by the end.

A typical May day in Jenison reaches about 68°F in the afternoon and slips back to 49°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 55°F and 81°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)
16344
26344
36345
46445
56446
66446
76546
86547
96547
106647
116647
126648
136748
146748
156749
166849
176849
186850
196950
206950
216951
227051
237051
247152
257152
267153
277253
287253
297254
307354
317354

How May really feels in Jenison

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.

Jenison weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 19°2.410.510.19.20.0
Feb33° / 19°1.98.16.510.20.0
Mar44° / 28°2.59.4411.60.9
Apr57° / 38°4.012.11.713.13.7
May68° / 49°4.311.9014.46.0
Jun77° / 59°3.811.3015.16.6
Jul81° / 63°3.810.9014.86.5
Aug79° / 61°3.610.5013.86.7
Sep72° / 54°3.19.3012.36.8
Oct59° / 43°3.411.40.210.84.4
Nov46° / 34°2.7102.79.51.2
Dec35° / 25°2.310.88.18.90.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44159
54159
64159
74258
84258
94258
104258
114258
124258
134456
144456
154456
164456
174456
184555
194555
204555
214555
224555
234654
244654
254654
264555
274654
284654
294753
304753
314852

Chance of precipitation in May

Any precipitation

Jenison gets around 4.3 in of rain over 11.9 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
338
438
538
638
738
838
938
1038
1138
1238
1338
1438
1538
1638
1738
1838
1938
2038
2138
2238
2338
2438
2539
2639
2739
2839
2940
3040
3140

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
192620
292620
392620
491720
590730
689830
789830
887940
986941
1086941
11851041
12841051
13831151
14831151
15821161
16821161
17791272
18791272
19791272
20771283
21751384
22741394
23731395
24721495
257014106
267014106
276915106
286815116
296715117
306616117
316417127

Wind in May

Winds average 8 mph in May.

Across May, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
257light breeze
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 54 min at the start of May to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 5:45 AM to 5:14 AM, and sunset from 7:36 PM to 8:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:457:36
213.95:437:37
313.95:427:38
414.05:417:39
514.05:397:41
614.15:387:42
714.15:377:43
814.15:357:44
914.25:347:45
1014.25:337:46
1114.35:327:47
1214.35:307:49
1314.35:297:50
1414.45:287:51
1514.45:277:52
1614.45:267:53
1714.55:257:54
1814.55:247:55
1914.65:237:56
2014.65:227:57
2114.65:217:58
2214.65:207:59
2314.75:198:00
2414.75:198:01
2514.75:188:02
2614.85:178:03
2714.85:168:04
2814.85:168:05
2914.85:158:06
3014.95:148:07
3114.95:148:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.97 kWh/m².

For context, solar energy here swings from a low near 1.3 kWh/m² to a high of 6.53 kWh/m² in June across the year — May's 5.97 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Intense
186.0Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Is May a good time to visit Jenison?

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

6.0
Sightseeing
5th-best month of the year
3.1
Beach & pool
5th-best month of the year

May is a reasonable time to visit Jenison for sightseeing.

What to pack for Jenison in May

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

In May, Jenison sees daytime highs around 68°F and nights near 49°F. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Jenison in May

The nearest coast averages about 44°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 30 mi away) is warmest in August at about 71°F and coldest in March near 36°F.

It's comfortable for a long swim from Jul 20 to Sep 8 — about 1.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan39Bracing
Feb37Bracing
Mar36Bracing
Apr38Bracing
May44Bracing
Jun56Bracing
Jul68Cool
Aug71Refreshing
Sep67Cool
Oct58Bracing
Nov49Bracing
Dec43Bracing

UV index in Jenison 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 Jenison peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 20UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May7Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Jenison?

Jenison sits at 42.9°N, 85.8°W, 604 ft above sea level, in United States. The nearest listed city is Grandville, 1.2 mi away.

Topography around Jenison

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

Within 2 miles, the terrain around Jenison has only modest variations in elevation — a maximum elevation change of 240 ft around an average of 630 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 404 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 692 ft.

The land around Jenison is covered by trees (43%), grassland (27%) and artificial surfaces (23%) within 2 miles, trees (39%) and grassland (26%) within 10 miles, and trees (44%), cropland (21%) and water (21%) within 50 miles.

2 miles
240 ft
10 miles
404 ft
50 miles
692 ft
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Grandville 1.2 mi · Wyoming 4.3 mi · Walker 6.8 mi · Grand Rapids 7.5 mi · Kentwood 8.1 mi · Allendale 9.3 mi · Forest Hills 16 mi · Holland 18 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 Jenison (42.9072°, -85.792°, elevation 604 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).