Bay City weather in March

In March, Bay City sees average daytime highs of 43°F and overnight lows near 25°F, with 2.2 in of precipitation across 8.9 wet days and about 11.6 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 37°F in the first days to 49°F by the end. The sky is clear or mostly clear about 21% of the time in March, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Bay City's 8th-clearest and 7th-windiest month. For the whole year in context, see Bay City's year-round climate.

Daytime high
43°
9th warmest
Overnight low
25°
4th coldest
Precipitation
2.2 in
8.9 wet days
Daylight
11 h 36 min
6:56 AM – 6:34 PM
Cloud cover
68%
8th clearest
Wind
9 mph
7th windiest
Solar energy
4.05 kWh/m²
Travel score
0.7
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 March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 37°F in the first days to 49°F by the end.

A typical March day in Bay City reaches about 43°F in the afternoon and slips back to 25°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 29°F and 59°F. Set against its neighbours, March runs about 10°F warmer than February and about 13°F cooler than April.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
13620
23620
33720
43720
53821
63821
73821
83922
94022
104023
114123
124124
134224
144224
154225
164325
174326
184426
194427
204527
214528
224628
234628
244629
254729
264729
274830
284830
294931
304931
314931

How March really feels in Bay City

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 31 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
31
12 feel bitter (≤ 14°F)

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

Bay City weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 9th-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 March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 12% of March, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23169
33169
43268
53466
63466
73466
83466
93664
103664
113664
123664
133664
143664
153565
163565
173565
183565
193565
203565
213466
223367
233367
243367
253367
263268
273268
283268
293268
303169
313169

Chance of precipitation in March

Any precipitationSnow

Bay City gets around 2.2 in of rain and snow over 8.9 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 29% and peaks near 32% on the wettest days, and about 4 days bring snow.

0%10%20%30%40%151015202531
Rain chance (%)Snow chance (%)
13121
23120
33120
43119
53119
63118
73117
83016
93016
103015
112914
122914
132913
142813
152812
162712
172711
182711
192611
202611
212610
222710
232710
242710
252810
262910
273010
283010
293110
303210
313210

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
11991
12991
13991
14991
15991
16991
17991
18982
19982
20982
21982
22982
23982
24982
25982
26982
27982
28982
29991
30991
31991

Wind in March

Winds average 9 mph in March.

Across March, 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.

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
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
319light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 10 h 54 min at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 90 minutes over March. Sunrise moves from 7:23 AM to 6:29 AM, and sunset from 6:15 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.97:236:15
210.97:216:16
311.07:196:18
411.07:186:19
511.17:166:20
611.17:146:21
711.27:126:23
811.27:116:24
911.37:096:25
1011.37:076:27
1111.47:056:28
1211.47:046:29
1311.57:026:30
1411.57:006:32
1511.66:586:33
1611.66:566:34
1711.76:556:35
1811.76:536:37
1911.86:516:38
2011.86:496:39
2111.96:476:40
2211.96:456:41
2312.06:436:43
2412.06:426:44
2512.16:406:45
2612.16:386:46
2712.26:366:48
2812.26:346:49
2912.36:326:50
3012.36:306:51
3112.46:296:52

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.05 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 — March's 4.05 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.5Moderate
33.5Moderate
43.6Moderate
53.6Moderate
63.7Moderate
73.7Moderate
83.8Moderate
93.8Moderate
103.9Moderate
113.9Moderate
123.9Moderate
134.0Moderate
144.0Bright
154.0Bright
164.1Bright
174.1Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.5Bright
314.5Bright
Planning a trip in March

Is March a good time to visit Bay City?

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

0.7
Sightseeing
9th-best month of the year
0.0
Beach & pool
8th-best month of the year

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

What to pack for Bay City in March

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

In March, Bay City sees daytime highs around 43°F and nights near 25°F. Pack a warm layer and a heavy coat. Worth having: rain gear. About 9 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Bay City in March

The nearest coast averages about 34°F in March — 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 March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 4 — 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
March 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).