Climate and monthly weather forecastBayfield, WI
Climate and monthly weather forecast
The climate of Bayfield
Known for its humid continental climate, Bayfield, Wisconsin, fits the category of Dfb according to the Köppen climate classification. This region's distinctive weather trends involve no dry season, a warm summer, and a long, intense winter. Bayfield's geographical placement on the South Shore of Lake Superior significantly influences and moderates its weather patterns.A flurry of conditions shapes Bayfield's climatic peculiarity; they range from temperatures, humidity, amounts and frequency of rainfall, snowfall, sunshine hours, UV index, visibility, cloud cover, atmospheric pressure, and wind conditions. Through the year, temperatures could range from as low as 10.8°F (-11.8°C) in the colder months to a high of 72.5°F (22.5°C) in the warmest months. Bayfield also experiences a significant level of humidity throughout the year, reaching up to 88% at times.
Generally, Bayfield's weather demonstrates fascinating dynamics in each climatological parameter. The rainfall distribution across months, with a peak of 2.56" (65mm) during late spring and summer, balances the decreased rainfall in the coldest months. In addition, the city sees an average of 4.2 to 15.9 days of rainfall, indicating a higher frequency during the summer.
Interestingly, Bayfield experiences a generous amount of snowfall in the cold months, augmenting the spectacular winter visuals. On average, it receives 6.85" (174mm) of snow in January and 6.81" (173mm) in December, with an average of 22.3 and 20.4 days of snowfall respectively. However, the heat of the summer months leads to a complete absence of snowfall.
The best time to visit Bayfield
Summer in Bayfield paints a more attractive picture for tourists, with July being the optimal month for travel. This time of the year witnesses comfortable temperatures in the 72°F (22.2°C) range, guaranteeing warm and sunny days. The summer offers an average of 10.5 hours of sunshine in July, which is the highest throughout the year, extending the possibilities of sightseeing and outdoor activities. With the sea temperatures hovering around a pleasant 61°F (16.1°C), water-related activities become a popular reason to visit during this season.The worst time to visit Bayfield
The frigid winter months prove to be the most challenging time to visit Bayfield. January and December specifically become quite inhospitable due to low temperatures that plunge to about 10.8°F (-11.8°C) and 18°F (-7.8°C) respectively. The massive snowfall (nearly 6.85 and 6.81" (173mm) in January and December, correspondingly) combined with the low visibility of 6 miles and a miniscule 2.4 to 2.6 hours of sunshine, make outdoor activities and sightseeing largely inaccessible.Spring weather in Bayfield
Spring in Bayfield is a gentle transition from the harsh winter. The temperatures in March, April, and May oscillate between a low of 24.1°F (-4.4°C) to a high of 56.5°F (13.6°C), making this season moderately chilly but gradually moving towards warmth. Rainfall is moderate in spring, ranging from 1.54" (39mm) to 2.56" (65mm). Snow is more likely in the early spring in March and April, but May is usually snow-free. Despite the variable weather of spring, the increasing hours of daylight and sunshine form a promising invitation for early visitors.Summer weather in Bayfield
Summers in Bayfield, covering June, July, and August, promise a pleasantly warm climate with temperatures mounting up to an average of 72.5°F (22.5°C). Rainstorms are widely dispersed in this period, yielding 2.44 to 2.56" (65mm) of rainfall per month. There is a complete absence of snowfall during this season. The lengthening daylight hours allow more sun, making this the perfect time for exploring the outdoors in Bayfield.Autumn weather in Bayfield
Autumn witnesses concrete signs of the approaching winter. The temperatures in September, October, and November vary extensively from highs around 65.3°F (18.5°C) to lows near 29.3°F (-1.5°C). Rainfall in autumn is moderate to high, with the highest amount reaching 2.2" (56mm) in October. Snowfall beings to mark its appearance in late November, setting the stage for the incoming winter season.Winter weather in Bayfield
Typical to its classification, winters are harsh and intense in Bayfield. December, January, and February are characterized with low temperatures dropping down to the frigid 10.8°F (-11.8°C) mark and high snowfall raging from 4.13" (105mm) to 6.85" (174mm). The days are extremely short with barely 2.4 to 2.6 hours of sunshine. Winter in Bayfield is marked by its cold winds that can reach speeds of 15.8mph (25.4km/h), reduced visibility, and brief daylight hours.Weather in January
January in Bayfield, Wisconsin, is characteristically busy with winter’s full force, especially with low temperatures plummeting to 10.8°F (-11.8°C). Although it is one of the coldest months, it lays a perfect setting for snow-lovers. Weather in January »Weather in February
The transition from January to February in Bayfield doesn't bring much relief to the cold harshness. However, February does witness slight easing from harsh weather conditions with the noteworthy decrease in snowfall from 6.85" (174mm) in January to 5.98" (152mm). Weather in February »Weather in March
March signifies the definitive arrival of spring. A considerable increase in temperature from 22.6°F (-5.2°C) in February to 34.2°F (1.2°C) is observed. Warmer days begin to overshadow extremely chilly ones. Reduced snowfall and increased daylight hours set the stage for the blooming season ahead. Weather in March »Weather in April
With each passing day, April brings Bayfield closer to the glorious warmth of summer. The transition from winter to a milder spring is distinctly noticeable, and the rainfall rises to 2.2" (56mm) from 1.54" (39mm) recorded in March. Weather in April »Weather in May
May ensures that warm weather takes a firm hold. Modest temperatures around 56.5°F (13.6°C) make this a pleasant month. It does bring increased rainfall, but it also ensures flourishing wildlife, making it a great month for nature lovers. Weather in May »Weather in June
June depicts the classical summer picture in Bayfield. Pleasant warmth prevails throughout the month, with a significant increase observed from 56.5°F (13.6°C) in May to 64.8°F (18.2°C). The weather is remarkably consistent, and rainy days are scattered. Weather in June »Weather in July
July proudly stands as the peak of summer. With the highest average temperatures of the year climbing to 72.3°F (22.4°C), it is indeed the hottest month. The continuous heatwave sets the perfect scene for beach outings and water sports. Weather in July »Weather in August
August continues in the same vein as July. The negligible difference between the average temperatures in the two months, from 72.3°F (22.4°C) in July to 72.5°F (22.5°C) in August, and consistent weather patterns make August another fantastic summer month. Weather in August »Weather in September
September marks the gradual arrival of autumn. A drop in temperature from 72.5°F (22.5°C) in August to 65.3°F (18.5°C) signifies the turning of the seasons. The atmosphere starts shimmering in dazzling autumn colors with a decrease in daylight hours. Weather in September »Weather in October
October deepens the autumn season in Bayfield. With the transition from the warmer September temperatures down to 50.7°F (10.4°C), residents and visitors alike start noticing the crisp morning air. Colorful foliage enchant those lucky enough to witness it, offering a dazzling display of nature. Weather in October »Weather in November
November brings with it the onset of winter. A clear temperature drop from 50.7°F (10.4°C) in October to 37.6°F (3.1°C) effectively signals the closing of autumn. The climate dries up, snow showers become increasingly frequent, and winter wear should be on standby. Weather in November »Weather in December
December wraps the year with winter at its peak. The steep decrease in temperature from 37.6°F (3.1°C) in November to 25.3°F (-3.7°C) in December draws everyone towards cozy indoor activities. Snow covers the landscape, providing picturesque scenes and attracting winter sport enthusiasts. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Bayfield, WI
The warmest month (with the highest average high temperature) is August (72.5°F).
The month with the lowest average high temperature is January (20.3°F).
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure
Bayfield, WI
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.93"Hg - Average pressure in September:
30"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Bayfield, WI
- Average wind speed in January:
10.6mph - Average wind speed in February:
10.2mph - Average wind speed in March:
8.8mph - Average wind speed in April:
9.2mph - Average wind speed in May:
7.6mph - Average wind speed in June:
7mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
7.3mph - Average wind speed in September:
8.7mph - Average wind speed in October:
10mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.6mph
The windiest months (with the highest average wind speed) are January and December (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity
Bayfield, WI
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (75%).
Average rainfall
Bayfield, WI
- Average rainfall in January:
1.06" - Average rainfall in February:
1.06" - Average rainfall in March:
1.54" - Average rainfall in April:
2.2" - Average rainfall in May:
2.56" - Average rainfall in June:
2.44"
The wettest months (with the highest rainfall) are May and July (2.56").
The driest months (with the least rainfall) are January and February (1.06").
Average rainfall days
Bayfield, WI
- Average rainfall days in January:
4.2 days - Average rainfall days in February:
3.6 days - Average rainfall days in March:
8.8 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
14.9 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
14.3 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
14 days - Average rainfall days in November:
8 days - Average rainfall days in December:
5.8 days
The month with the highest number of rainy days is June (15.9 days).
The month with the least rainy days is February (3.6 days).
Average snowfall
Bayfield, WI
- Average snowfall in January:
6.85" - Average snowfall in February:
5.98" - Average snowfall in March:
4.13" - Average snowfall in April:
3.39" - Average snowfall in May:
0.91" - Average snowfall in June:
0"
The month with the highest snowfall is January (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Bayfield, WI
- Average snowfall days in January:
22.3 days - Average snowfall days in February:
18.6 days - Average snowfall days in March:
11.9 days - Average snowfall days in April:
7.3 days - Average snowfall days in May:
0.9 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:
2.6 days - Average snowfall days in November:
11.5 days - Average snowfall days in December:
20.4 days
The month with the highest number of snowfall days is January (22.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature
Bayfield, WI
The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest months (with the lowest average sea temperature) are February, March and April (36°F).
Average daylight / Average sunshine
Bayfield, WI
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 48min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
2h and 24min - Average sunshine in February:
2h and 54min - Average sunshine in March:
5h and 0min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 30min - Average sunshine in August:
10h and 18min - Average sunshine in September:
8h and 54min - Average sunshine in October:
4h and 48min - Average sunshine in November:
3h and 54min - Average sunshine in December:
2h and 36min
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 24min).
Average sunshine days
Bayfield, WI
- Average sunshine days in January:
9.3 days - Average sunshine days in February:
9.7 days - Average sunshine days in March:
12.6 days - Average sunshine days in April:
11.7 days - Average sunshine days in May:
13.9 days - Average sunshine days in June:
13 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
13.5 days - Average sunshine days in November:
11.9 days - Average sunshine days in December:
8.7 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8.7 days).
Average UV index
Bayfield, WI
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover
Bayfield, WI
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Bayfield, WI
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





