Climate and monthly weather forecastMequon, WI
Climate and monthly weather forecast
The climate of Mequon
Mequon, situated in Wisconsin, USA, is characterized by a humid continental climate, recognized under the Köppen climate classification as Dfb. The climate of this region has no dry season, and there's a warm summer. Onto the specifics of this climate, it swings between high temperatures reaching 76.3°F (24.6°C) in July and low temperatures subsiding to 16.2°F (-8.8°C) in January.Besides, there is a certain degree of humidity experienced year-round, oscillating between 76% and 86% across different months. Rainfall, one of the principal weather components, ranges from 0.94" (24mm) in December to 2.8" (71mm) in July. However, snowfall graces the region from January to March and in November with the accumulation ranging from 2.76" (70mm) in January to 0.59" (15mm) in October.
The daylight span is also varied throughout the year. The sun bestows Mequon with more than 15.3 hours of daylight in June. This, however, descends to a mere 9 hours in the cumbersome months of December to January. Additionally, cloud coverage is less than 62% every month, dropping to its lowest of 28% in July and August.
The best time to visit Mequon
An optimal period to visit Mequon would be from May to August. During this timeframe, the temperatures remain pleasant, ranging from 60.4°F (15.8°C) to 76.3°F (24.6°C). In the same months, rainfall amounts hover between 2.44" (62mm) and 2.8" (71mm), lending a refreshing feel to the city's surroundings.Correspondingly, the daylight duration is a generous 14.7 hours to 15.3 hours, offering ample time to explore and enjoy local attractions. Clear skies are more probable, too, as the cloud coverage dips to 35% to 28%, marking the least cloudiness in the year.
The worst time to visit Mequon
Avoid planning a visit during the months of January and February, distinguished for their colder weather. Temperatures can dip as low as 16.2°F (-8.8°C) in January and only rise slightly to 18°F (-7.8°C) in February. Besides, these months have reduced daylight hours, only 9.4 hours and 10.5 hours respectively, which can limit outdoor activities. The presence of cloudy skies is likewise high, with a maximum cloud percentage of 62%, thereby further limiting sunlight intake.Spring weather in Mequon
Springtime in Mequon parties from March to May, unraveling a notable shift in weather conditions. The temperatures rise from a cooler 39.2°F (4°C) in March to a pleasant 60.4°F (15.8°C) by May. Concurrently, relative humidity lies between 79% and 79%, maintaining a steady humidity level. Rainfall increases from 1.22" (31mm) in March to 2.44" (62mm) in May, implying more frequent rains in the latter months.Summer weather in Mequon
Summers in Mequon, stretching from June through August, are typically warm and comfortable. During this season, temperatures stay between 70.2°F (21.2°C) and 76.3°F (24.6°C). There's an evaporation of rainfall volume to 2.44" (62mm) in June from a high of 2.8" (71mm) in July. Humidity is relatively high at around 80%, while the daylight remains high at about 15 hours.Autumn weather in Mequon
Autumn months (September to November) witness a gradual cooling of temperatures from 69.8°F (21°C) to 43.7°F (6.5°C). Rainfall declines from 1.97" (50mm) in September to 1.14" (29mm) in November. Relative humidity remains constant at 76%, and daylight decreases to approximately 9.7 hours by November.Winter weather in Mequon
Winter in Mequon commences in December, bringing with it a stark drop in temperature, sinking to 16.2°F (-8.8°C) by January. Snowfall makes an entrance in this season, starting with 0.94" (24mm) in December and peaking to 2.76" (70mm) in January. Daylight is significantly reduced to about 9 hours, and humidity is at its peak at 86% in December.Weather in January
Snowfall marks the year’s beginning, with January in Mequon, Wisconsin characterized by its frosty weather. The recent winter solstice means days are comparatively brief, with daylight peaking at 9.4 hours and the highest UV index value sitting at a low 1. Weather in January »Weather in February
The last month of the winter, February, is freezing cold month in Mequon, Wisconsin, with an average temperature fluctuating between 28.2°F (-2.1°C) and 18°F (-7.8°C). February's average high-temperature is a still freezing cold 28.2°F (-2.1°C), maintaining a close comparison with January's 25.9°F (-3.4°C). Weather in February »Weather in March
March, the first month of the spring in Mequon, is an icy month, with an average temperature varying between 28.8°F (-1.8°C) and 39.2°F (4°C). Mequon in March shows a temperature shift, moving from an average high of a freezing cold 28.2°F (-2.1°C) in February to an icy 39.2°F (4°C). Weather in March »Weather in April
Spring takes its firm hold in April, evident in the blossoming flowers and rapidly warming temperatures. The longer and warmer days, from 37.2°F (2.9°C) to 48.9°F (9.4°C), are inviting and entice the townsfolk of Mequon, Wisconsin to shake off their bundled layers. Weather in April »Weather in May
The full blossom of spring is celebrated during May in Mequon, Wisconsin. The harshest vestiges of winter are long forgotten as temperatures climb higher, with the low at a comfortable 46.9°F (8.3°C) and the high reaching up to 60.4°F (15.8°C). Weather in May »Weather in June
June marks the arrival of summer in Mequon, Wisconsin, with the longest days and shortest nights of the year. The variable shades of blue in the sky subtly shifting to a warmer palette signal the arrival of summer solstice. A moderate temperature ranging from 56.7°F (13.7°C) to a high of 70.2°F (21.2°C) encourages outdoor pursuits. Weather in June »Weather in July
July sees the peak of summer weather in Mequon, Wisconsin, boasting the highest temperature of the year with a high of 77°F (25°C) and a low of 64°F (17.8°C). With summer in full swing, the city basks under the sun for up to 15 hours a day, characterized by comfortable warmth and vibrant greenery. Weather in July »Weather in August
August continues the warm trend in Mequon, Wisconsin, with temperatures slightly less intense than July, with slight differences in extremes from 63.1°F (17.3°C) to 76.3°F (24.6°C). The shifting balance of daylight and twilight symbolizes the gradual transition to autumn. Weather in August »Weather in September
September in Mequon, Wisconsin introduces the mellow charm of autumn, bringing a noticeable drop in temperature as the days shorten with highs and lows between 69.8°F (21°C) and 56.5°F (13.6°C). The lazy sunshine drenches the landscape in a golden light, revealing the first signs of fading greens. Weather in September »Weather in October
October brings more vivid expressions of autumn’s palette with falling temperatures in Mequon, Wisconsin. With the high temperature dropping to 56.7°F (13.7°C) from 69.8°F (21°C) in September, locals reach for their lightweight sweaters and jackets. Weather in October »Weather in November
Signs of the fast-approaching winter begin to surface in November with falling temperatures in Mequon, Wisconsin ranging from 43.7°F (6.5°C) to 32.9°F (0.5°C). As the days continue to shorten, the meager amount of sunlight reflects off the fallen leaves, producing an array of spectacular colors. Weather in November »Weather in December
Winter's arrival in December transforms Mequon, Wisconsin into a snowy wonderland with temperatures between 32.2°F (0.1°C) and 23.7°F (-4.6°C). The short days and blue twilight cast a cold beauty over the frosty landscape. Weather in December »Updated: Feb 14, 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 is the month that records the lowest temperatures, with averages ranging from a high of 25.9°F (-3.4°C) to a low of 16.2°F (-8.8°C).
With an average relative humidity of 86%, January is the most humid month in Mequon, Wisconsin.
In Mequon, Wisconsin, during the entire year, the rain falls for 136.6 days and collects up to 21.69" (551mm) of precipitation.
Months with snowfall are January through April, October through December.
The month with the most snowfall is January, when snow falls for 12.2 days and typically aggregates up to 2.76" (70mm) of snow.
Throughout the year, in Mequon, Wisconsin, there are 47.8 snowfall days, and 11.57" (294mm) of snow is accumulated.
January has the least sunshine of the year in Mequon, Wisconsin, with an average of 3.6h of sunshine.
The months with the lowest UV index in Mequon, Wisconsin, are January and December, with an average maximum UV index of 1.
The months with the least rainfall in Mequon are February and December Rain falls for 4.3 days and accumulates 0.94" (24mm) of rain.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Mequon, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
In Mequon, Wisconsin, snow does not fall in May through September.
The month with the longest days in Mequon, Wisconsin, is June, with an average of 15h and 18min of daylight.
With average temperatures fluctuating between a high of 77°F (25°C) and a low of 64°F (17.8°C), July stands out as the warmest month in Mequon.
The month with the most rainfall in Mequon is July, when the rain falls for 15.7 days and typically aggregates up to 2.8" (71mm) of precipitation.
The months with the most sunshine in Mequon, Wisconsin, are July and August, with an average of 10.5h of sunshine.
July is the month with the highest UV index in Mequon, Wisconsin, with an average maximum UV index of 6.
The months with the lowest humidity in Mequon are October and November, with an average relative humidity of 76%.
With an average of 9h and 0min of daylight, December has the shortest days of the year in Mequon.
Average temperature
Mequon, WI
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is January (25.9°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure
Mequon, WI
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.08"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Mequon, WI
- Average wind speed in January:
11.7mph - Average wind speed in February:
11.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9mph - Average wind speed in June:
8mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.6mph - Average wind speed in October:
10.3mph - Average wind speed in November:
11mph - Average wind speed in December:
11mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity
Mequon, WI
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall
Mequon, WI
- Average rainfall in January:
1.02" - Average rainfall in February:
0.94" - Average rainfall in March:
1.22" - Average rainfall in April:
2.28" - Average rainfall in May:
2.44" - Average rainfall in June:
2.44"
The wettest month (with the highest rainfall) is July (2.8").
The driest months (with the least rainfall) are February and December (0.94").
Average rainfall days
Mequon, WI
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
10.2 days - Average rainfall days in April:
14 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
15.1 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
12.9 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
6.4 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Mequon, WI
The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Mequon, WI
- Average snowfall days in January:
12.2 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
7.1 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0 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:
0.6 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
10.1 days
The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Mequon, WI
- 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 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 18min
- 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 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
3h and 36min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 30min - 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 30min - Average sunshine in September:
9h and 12min - Average sunshine in October:
5h and 24min - Average sunshine in November:
4h and 54min - Average sunshine in December:
3h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Mequon, WI
- Average sunshine days in January:
14.1 days - Average sunshine days in February:
13 days - Average sunshine days in March:
15.1 days - Average sunshine days in April:
13 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
12.4 days
- Average sunshine days in July:
11.9 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
15 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
15.7 days - Average sunshine days in December:
16.8 days
The month with the most sunshine days is December (16.8 days).
The month with the least sunshine days is July (11.9 days).
Average UV index
Mequon, WI
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Mequon, WI
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility
Mequon, WI
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).
