Climate and monthly weather forecastBay City, MI
Climate and monthly weather forecast
The climate of Bay City
Bay City, Michigan, USA, is located in a region subjected to the Dfb Köppen climate classification, suggesting a humid continental climate with no dry season and warm summers. It displays substantial changes in various weather parameters throughout the year. Yearly temperatures in Bay City range from a minimum of 16.7°F (-8.5°C) to a maximum of 77.9°F (25.5°C).An examination of the monthly averages shows substantial differences in seasonal weather conditions. The city experiences high humidity levels all through the year, with the relative humidity ranging between 75% and 87%. Rainfall in Bay City is steady throughout the year, with the least amount in November, and the most in May. Snowfall, on the other hand, is confined to the colder months, with no snowfall from May to September and a high of 1.85" (47mm) in February.
It is interesting to note that Bay City receives a moderate amount of sunshine all through the year despite having cloudy skies most of the time. Sunshine hours fluctuate between 2.8 hours in January to a maximum of 10.5 hours in July. The city experiences a moderate wind speed year-round, ranging from 6.7mph (10.8km/h) to 10.1mph (16.3km/h).
The best time to visit Bay City
The optimal time to visit Bay City is during summer, from June to August. Temperatures during this period range from a pleasant 72.7°F (22.6°C) to 76.6°F (24.8°C). These months show the maximum sunlight hours, between 9.7 to 10.5 hours, allowing visitors to maximize outdoor activities. While rainfall during these months ranges from 1.14" (29mm) to 1.42" (36mm), it is complemented by relatively low humidity levels, enhancing the comfort of visitors.The worst time to visit Bay City
The bitterly cold months from December to February are considered less ideal for a visit to Bay City. During this period, temperatures plunge to lows between 16.7°F (-8.5°C) to 28.9°F (-1.7°C), often accompanied by snowfall reaching 1.85" (47mm) maximum in February. Sunshine hours are also minimal during these months, ranging from 2.8 to 3.5 hours, making outdoor activities challenging.Spring weather in Bay City
Springtime in Bay City, stretching from March to May, brings a gradual increase in temperatures, from 39.7°F (4.3°C) in March to 64.6°F (18.1°C) in May. Accompanying this temperature rise is an increase in rainfall, hitting a yearly high of 1.65" (42mm) in May, denoting the onset of the wet season. Simultaneously, there is an increasing trend in sunshine hours, rising from 5.3 in March to 8.8 in May.Summer weather in Bay City
Summers in Bay City are warm, with temperatures fluctuating between 70.9°F (21.6°C) and 77.9°F (25.5°C) from June to August. These months witness the highest amount of sunlight, impelling many outdoor activities. Rainfall predominates in June at 1.42" (36mm) and descends gradually with decreasing humidity levels.Autumn weather in Bay City
Autumn in Bay City witnesses a progressive drop in temperatures, with the average highs declining from 70.9°F (21.6°C) in September to 57.9°F (14.4°C) in October. November begins the cold spell with temperatures dipping further to 43.9°F (6.6°C). This period also observes descending rainfall from 1.26" (32mm) in September to 0.55" (14mm) in November.Winter weather in Bay City
Winter in Bay City is cold and frosty, with temperatures remaining between 27°F (-2.8°C) and 32.9°F (0.5°C) from December to February. These months experience maximum snowfall, reaching a peak of 1.85" (47mm) in February. Despite minimum sunshine hours and freezing temperatures, the beauty of the snow-covered city manages to enthrall its residents and visitors alike. The persistent cover of clouds across the skies adds to the winter charm of Bay City, Michigan.Weather in January
Cold fronts traverse Bay City, Michigan, with January seeing the lowest average temperatures, tipping between 16.7°F (-8.5°C) and 27°F (-2.8°C). Snowfall governs the cityscape, accompanied by high humidity. Winter sports enthusiasts in Bay City find delight in the month when the city is veiled under its heaviest blankets of snow. Weather in January »Weather in February
Transitioning from January, February carries on the winter conditions but with improving temperatures, exhibiting a small increase in humidity. An increase in daylight hours brings a welcomed change from the dreary, dark winter days of January. Weather in February »Weather in March
March presents a notable transformation in Bay City's weather conditions. Temperature ranges fluctuate, from a warming 26.8°F (-2.9°C) to a higher 39.7°F (4.3°C). The month experiences a substantial decrease in snowfall compared to its predecessors, introducing more rainfall. Weather in March »Weather in April
April truly heralds the arrival of spring in Bay City. The mercury level reaches up to 51.4°F (10.8°C) and rain becomes the dominant form of precipitation, replacing snowfall which dwindles down to 0.55" (14mm). The opening up of the outdoor environment encourages residents to indulge in recreational activities. Weather in April »Weather in May
May brings about a dramatic change in weather with temperatures soaring up to 64.6°F (18.1°C). Although the rainfall inches rise, reaching a yearly high of 1.65" (42mm), it does not dampen the city’s charm. This period is when the city transitions to complete spring mode, decked in vibrant green and blooming flowers. Weather in May »Weather in June
June offers more favourable conditions as the transition from spring to summer arrives in Bay City. The city experiences its highest annual average minimum temperature at 54.7°F (12.6°C). Many outdoor adventures are set into motion with ample daylight hours. Weather in June »Weather in July
July is the hottest month of the year in Bay City, with an upper average temperature of 77.9°F (25.5°C). Despite this, the cooling effect of the city’s waters makes the weather more pleasant. Local and tourists spend their time enjoying water-related activities like canoeing, pontoon boating, fishing, and swimming. Weather in July »Weather in August
August continues with the warmth of July, holding steady temperatures reaching 76.6°F (24.8°C). This month maintains the pattern of summer weather, experiencing a slight dip in temperatures compared to July. The city remains teeming with activities, and the summer holidays continue in full swing. Weather in August »Weather in September
As the last of the summer months, September brings the transition to autumn to Bay City. Although the temperatures dip to about 70.9F°F, it still sets up beautifully for outdoor activities. During this month, the greenery of the city begins to showcase spectacular autumn hues, making it a beautiful period to visit. Weather in September »Weather in October
October brings about a delightful autumn chill in Bay City, lowering the average high temperature to 57.9°F (14.4°C). As the leaves continue their colour change, the town dons its iconic fall coat. This time of year holds a unique place for residents and visitors due to the exquisite display of fall foliage. Weather in October »Weather in November
In November, Bay City transitions into the onset of winter, with temperatures averaging from 33.1°F (0.6°C) to 43.9°F (6.6°C). The shift in climate is evident as the lush greenery and vibrant hues of autumn make way for a more subdued, monochromatic landscape. Weather in November »Weather in December
December invites winter in all its glory in Bay City with temperatures varying from 24.4°F (-4.2°C) to 32.9°F (0.5°C). As the month progresses, the city is often covered in a blanket of snow, setting the perfect background for Christmas festivities. Weather in December »Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, noted for its average high-temperature of 27°F (-2.8°C) and an average low-temperature of 16.7°F (-8.5°C), is considered the coldest month.
The months with the highest humidity in Bay City are January and February, with an average relative humidity of 87%.
In Bay City, during the entire year, the rain falls for 111.7 days and collects up to 11.65" (296mm) of precipitation.
January through April, October through December are months with snowfall in Bay City.
In Bay City, Michigan, during the entire year, snow falls for 46.4 days and aggregates up to 7.17" (182mm) of snow.
The month with the least sunshine in Bay City, Michigan, is January, with an average of 2.8h of sunshine.
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Bay City, Michigan.
February is the month with the most snowfall in Bay City, Michigan. Snow falls for 11.9 days and accumulates 1.85" (47mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bay City, Michigan, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
The least humid month in Bay City is April, with an average relative humidity of 75%.
May is the month with the most rainfall. Rain falls for 14 days and accumulates 1.65" (42mm) of precipitation.
May through September are months without snowfall.
May through August, with an average maximum UV index of 5, are months with the highest UV index.
With an average of 15h and 24min of daylight, June has the longest days of the year in Bay City, Michigan.
Temperature records mark July as the warmest month, with highs averaging 77.9°F (25.5°C) and lows at 60.8°F (16°C).
The month with the most sunshine in Bay City, Michigan, is July, with an average of 10.5h of sunshine.
The month with the least rainfall in Bay City, Michigan, is November, when the rain falls for 6.3 days and typically collects 0.55" (14mm) of precipitation.
December has the shortest days of the year in Bay City, with an average of 9h and 0min of daylight.
Average temperature
Bay City, MI
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (27°F).
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure
Bay City, MI
- Average pressure in January:
30.05"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Bay City, MI
- Average wind speed in January:
9.9mph - Average wind speed in February:
10mph - Average wind speed in March:
9.5mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.5mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
7mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.4mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity
Bay City, MI
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Bay City, MI
- Average rainfall in January:
0.75" - Average rainfall in February:
0.59" - Average rainfall in March:
0.67" - Average rainfall in April:
1.1" - Average rainfall in May:
1.65" - Average rainfall in June:
1.42"
- Average rainfall in July:
1.14" - Average rainfall in August:
1.22" - Average rainfall in September:
0.67" - Average rainfall in October:
1.26" - Average rainfall in November:
0.55" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is May (1.65").
The driest month (with the least rainfall) is November (0.55").
Average rainfall days
Bay City, MI
- Average rainfall days in January:
4.7 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
8.2 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
14 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
13.1 days - Average rainfall days in August:
11.5 days - Average rainfall days in September:
8.2 days - Average rainfall days in October:
10.8 days - Average rainfall days in November:
6.3 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is February (3.3 days).
Average snowfall
Bay City, MI
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Bay City, MI
- Average snowfall days in January:
11.6 days - Average snowfall days in February:
11.9 days - Average snowfall days in March:
7 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
4.1 days - Average snowfall days in December:
9.2 days
The month with the highest number of snowfall days is February (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Bay City, MI
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
3h and 30min - Average sunshine in March:
5h and 18min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 48min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 0min - Average sunshine in October:
5h and 12min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days
Bay City, MI
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
14 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
14.9 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
19.2 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is April (13.7 days).
Average UV index
Bay City, MI
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover
Bay City, MI
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Bay City, MI
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
