Bay City weather in April

In April, Bay City sees average daytime highs of 56°F and overnight lows near 37°F, with 3.5 in of precipitation across 10.8 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 51°F in the first days to 61°F by the end. The sky is clear or mostly clear about 20% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 54 min by month's end. Set against the rest of the year, April is Bay City's 7th-clearest and 1st-windiest month. For the whole year in context, see Bay City's year-round climate.

Daytime high
56°
7th warmest
Overnight low
37°
6th coldest
Precipitation
3.5 in
10.8 wet days
Daylight
13 h 12 min
6:00 AM – 7:12 PM
Cloud cover
67%
7th clearest
Wind
9 mph
1st windiest
Solar energy
5.03 kWh/m²
Travel score
3.6
out of 10

Bay City is city in Bay County, Michigan, USA.

Density
1,169/km²
people per km²
Founded
1837

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 51°F in the first days to 61°F by the end.

A typical April day in Bay City reaches about 56°F in the afternoon and slips back to 37°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 42°F and 71°F. Set against its neighbours, April runs about 13°F warmer than March and about 12°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15032
25032
35132
45133
55133
65233
75234
85334
95334
105435
115435
125535
135536
145536
155637
165637
175737
185738
195838
205839
215839
225939
235940
245940
256040
266041
276041
286142
296142
306242

How April really feels in Bay City

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 19 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
19
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Bay City weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 17°2.29.26.89.10.0
Feb32° / 17°1.87.25.810.20.0
Mar43° / 25°2.28.94.111.60.7
Apr56° / 37°3.510.81.813.23.6
May67° / 48°3.611.4014.55.9
Jun77° / 58°3.510.6015.26.6
Jul81° / 62°3.010.5014.96.4
Aug79° / 60°3.010.3013.86.7
Sep72° / 53°2.89.1012.36.8
Oct59° / 42°2.910.10.210.84.5
Nov46° / 32°2.48.929.51.2
Dec35° / 23°2.195.88.80.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 65%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23268
33268
43268
53268
63268
73367
83367
93466
103565
113664
123664
133664
143664
153664
163664
173862
183763
193763
203763
213664
223664
233664
243664
253565
263565
273664
283664
293763
303763

Chance of precipitation in April

Any precipitationSnow

Bay City gets around 3.5 in of rain and snow over 10.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 37% on the wettest days, and about 2 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13311
23311
33411
43510
53510
63510
73610
83610
9369
10369
11368
12368
13357
14356
15356
16355
17355
18354
19364
20363
21363
22363
23362
24372
25372
26371
27371
28371
29371
30361

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 97% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19910
29910
39910
49910
59910
69910
710000
89901
99811
109811
119811
129811
139811
149811
159811
169721
179721
189721
199721
209721
219631
229631
239631
249631
259631
269541
279541
289541
299541
309541

Wind in April

Winds average 9 mph in April, the windiest month of the year.

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

051015151015202530
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
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over April. Sunrise moves from 6:27 AM to 5:37 AM, and sunset from 6:54 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:276:54
212.56:256:55
312.56:236:56
412.66:216:57
512.76:196:58
612.76:187:00
712.86:167:01
812.86:147:02
912.96:127:03
1012.96:107:04
1113.06:097:06
1213.06:077:07
1313.16:057:08
1413.16:037:09
1513.16:027:11
1613.26:007:12
1713.25:587:13
1813.35:567:14
1913.35:557:15
2013.45:537:17
2113.45:517:18
2213.55:507:19
2313.55:487:20
2413.65:467:21
2513.65:457:23
2613.75:437:24
2713.75:427:25
2813.85:407:26
2913.85:397:27
3013.95:377:29

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.03 kWh/m².

For context, solar energy here swings from a low near 1.39 kWh/m² to a high of 6.43 kWh/m² in June across the year — April's 5.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.6Bright
64.7Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in April

Is April a good time to visit Bay City?

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

3.6
Sightseeing
7th-best month of the year
0.2
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Bay City.

What to pack for Bay City in April

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

In April, Bay City sees daytime highs around 56°F and nights near 37°F. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Bay City in April

The nearest coast averages about 39°F in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 72°F and coldest in February near 33°F.

It's comfortable for a long swim from Jul 12 to Sep 9 — about 2 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan35Bracing
Feb33Bracing
Mar34Bracing
Apr39Bracing
May48Bracing
Jun60Cool
Jul70Refreshing
Aug72Refreshing
Sep67Cool
Oct55Bracing
Nov45Bracing
Dec39Bracing

UV index in Bay City in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bay City peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 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 19UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May7Very high
Jun9Very high
Jul8Very high
Aug7High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Bay City?

Bay City sits at 43.6°N, 83.9°W, 597 ft above sea level, in United States. The nearest listed city is Saginaw Township North, 11 mi away.

Topography around Bay City

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

Within 2 miles, the terrain around Bay City has only modest variations in elevation — a maximum elevation change of 85 ft around an average of 597 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 164 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 686 ft.

The land around Bay City is covered by artificial surfaces (41%), trees (27%) and grassland (22%) within 2 miles, cropland (47%) and water (22%) within 10 miles, and cropland (41%) and trees (36%) within 50 miles.

2 miles
85 ft
10 miles
164 ft
50 miles
686 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Saginaw Township North 11 mi · Saginaw 12 mi · Midland 18 mi · Flint 42 mi · Burton 43 mi · Mount Pleasant 44 mi · Haslett 64 mi · Okemos 66 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 Bay City (43.5945°, -83.8889°, elevation 597 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).