Climate and monthly weather forecastNew Berlin, WI
Climate and monthly weather forecast
The climate of New Berlin
New Berlin, Wisconsin, USA is governed by a humid continental climate without dry season, more scientifically known as the Köppen climate classification Dfb. This category suggests fluctuations in temperature throughout the year, coupled with substantial rainfall on an annual basis.Temperatures in New Berlin can plunge as low as 15.3°F (-9.3°C) and rise as high as 78.1°F (25.6°C). The coldest months are January and February with average lows of 15.3°F (-9.3°C) and 17.8°F (-7.9°C) respectively, while the hottest months are typically July and August where the mercury soars to 78.1°F (25.6°C) and 77.2°F (25.1°C) respectively. The variation in temperature can be attributed to this region's inland position, hence air masses can flow freely from continental interior regions.
The city experiences high relative humidity, with the most humid month being January at 86%, followed by February at 85%. New Berlin experiences rainfall throughout the year, with amounts hovering around 0.87" (22mm) in January to 2.48" (63mm) in July. Snowfall is common during winter months with January witnessing 2.76" (70mm) of snowfall and December receiving 1.54" (39mm).
Cloud cover varies, with the highest levels experienced in January and December at 63% and 61% respectively.The daylight hours range from as low as 9.1 hours in December to as high as 15.3 hours in June. The city witnesses a wind speed varying from 10.9mph (17.5km/h) in January to 6.9mph (11.1km/h) in July.
The best time to visit New Berlin
The optimal period to visit New Berlin lies typically between May to August when the average high temperatures range from 62.6°F (17°C) to 78.1°F (25.6°C),. For those seeking sunshine coupled with extended daylight hours, June offers the longest days, averaging 15.3 hours. Visitors can expect to enjoy about 10.3 hours of sunshine in July and August. This period marks the warm season with mild and reasonably dry weather conditions, perfect for outdoor activities and exploration.The worst time to visit New Berlin
The months of January and February are generally considered the least favourable to visit New Berlin, due largely to cold weather and heavy snowfall. Temperatures dip into the low 15.3°F (-9.3°C) to 17.8°F (-7.9°C) range during these months, and snowfall reaches an average of 2.76" (70mm) in January. The limited daylight hours, below 10.6 hours, coupled with an average of 3.5 to 3.8 hours of sunshine per day makes these months less hospitable for visitors.Spring weather in New Berlin
Spring months in New Berlin, from March to May, bring in a gradual increase in temperature with averages ranging from 40.6°F (4.8°C) to 62.6°F (17°C). Moderate rainfall intensifies to around 2.13" (54mm) by May, and daylight hours increase significantly from 12 hours in March to nearly 14.7 hours by May. This season is generally comfortable with moderate weather conditions, suitable for outdoor pursuits.Summer weather in New Berlin
Summers, spanning June to August, are the warmest months with temperatures peaking at 78.1°F (25.6°C) in July. The season is characterized by the longest days of the year, amounting to 15.3 hours in June. Rainfall hovers around 2.13" (54mm) to 2.48" (63mm) between June and August. Despite somewhat high humidity levels, this period provides the most favorable climate for outdoor activities.Autumn weather in New Berlin
Autumn in New Berlin, from September to November, witnesses a gradual decline in temperature from 70.7°F (21.5°C) to 43.7°F (6.5°C). Rainfall varies from 1.46" (37mm) in September to 1.02" (26mm) by November with daylight hours reducing from 12.5 hours in September to 9.7 hours by November. Despite the drop in temperature, Autumn can be surprisingly pleasant in New Berlin.Winter weather in New Berlin
Winter months from December to February are the coldest with average temperatures dipping to 15.3°F (-9.3°C) in January. Snowfall is common in these months, peaking at 2.76" (70mm) in January. Despite these conditions, daylight hours are relatively short, ranging from 9.1 hours in December to 10.6 hours in February. Winter is synonymous with indoor activities, as the biting cold makes outdoor pursuits quite challenging in New Berlin.Weather in January
January in New Berlin, Wisconsin, is the quintessential winter month, complete with a combination of chilling temperatures and snowfall. Notably, the city experiences the heaviest snowfall, receiving 2.76" (70mm) of snow which contributes to the high relative humidity of 86%. Weather in January »Weather in February
The weather in February brings an end to the peak of winter in New Berlin, Wisconsin. The month is marked by a decrease in snowfall compared to January, indicating gradual weather transition. The daylight hours stretch further, painting a picture of an approaching change in season. Weather in February »Weather in March
March in New Berlin, Wisconsin, opens the portals to the spring season, characterized by moderate temperatures and increased daylight hours. The city witnesses 12 hours of daylight and an uptick in temperatures, a respite from the preceding colder months. Weather in March »Weather in April
April in New Berlin, Wisconsin, greets incoming spring with open arms, showcasing mild temperatures, longer days and an abundance of rainfall. The city experiences the highest rainfall of the year, with 2.13" (54mm) of precipitation. Weather in April »Weather in May
May in New Berlin, Wisconsin, is when the weather truly embodies the spirit of spring. The weather remains pleasantly mild, perfect for outdoor activities. The snowy scenes have been completely replaced by vibrant green landscapes, signaling the upcoming summer. Weather in May »Weather in June
June in New Berlin, allows residents to bask in the summer sun, with the city experiencing its longest daylight hours. The city greets summer with 15.3 daylight hours and a significant rise in UV index, rating at 5. Despite the relatively high temperatures, rainfall is frequent, keeping the surroundings lush and vibrant. Weather in June »Weather in July
July in New Berlin, Wisconsin, is the peak of summer, boasting the highest temperatures of the year. The average high temperature shoots to a toasty 78.1°F (25.6°C), with the UV index at its highest, hitting a 6 rating. This month keeps its reputation as the warmest and sunniest in the city. Weather in July »Weather in August
August in New Berlin, Wisconsin, is still dipped in the summer season, offering warm days and vibrant skies. The weather remains somewhat consistent with July, though it experiences a slight decrease in the average high temperature. Weather in August »Weather in September
September in New Berlin, Wisconsin, marks the onset of the autumn season, showcasing a gradual decline in temperatures. This month is a transition from the heat of August towards a cooler October, exhibiting a mix of summer's tail-end warmth and autumn's crisp evenings. Weather in September »Weather in October
October in New Berlin, sees a marked shift towards cooler weather conditions compared to September, as the month embraces the heart of autumn. It paints the city with the classic fall palette, offering charming landscapes for local residents and tourists alike. Weather in October »Weather in November
November in New Berlin, Wisconsin, serves as a prelude to winter, inviting cooler temperatures and shorter daylight hours. The city witnesses a considerable decline in temperatures from October, hinting at the frosty days to come. Weather in November »Weather in December
December in New Berlin, Wisconsin, welcomes the winter season with a delightfully festive atmosphere and a drop in temperature. The white snow offers a stark contrast to the preceding months, creating a typical winter landscape. Weather in December »Updated: Jul 16, 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 New Berlin's coldest month, registering average high temperatures of 25.7°F (-3.5°C) and lows of 15.3°F (-9.3°C).
With an average relative humidity of 86%, January is the most humid month.
In New Berlin, during the entire year, the rain falls for 128.2 days and collects up to 18.78" (477mm) of precipitation.
Months with snowfall are January through May, October through December.
The month with the most snowfall is January, when snow falls for 12.6 days and typically aggregates up to 2.76" (70mm) of snow.
Throughout the year, there are 46 snowfall days, and 9.72" (247mm) of snow is accumulated.
With an average of 3.5h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index are January and December, with an average maximum UV index of 1.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.
The months with the lowest humidity are April, October and November, with an average relative humidity of 76%.
In New Berlin, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 18min of daylight.
July, having an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 63.9°F (17.7°C), is the warmest month in New Berlin.
The month with the most rainfall is July, when the rain falls for 16.3 days and typically aggregates up to 2.48" (63mm) of precipitation.
The months with the most sunshine are July and August, with an average of 10.3h of sunshine.
The month with the highest UV index is July, with an average maximum UV index of 6.
The month with the least rainfall in New Berlin is December, when the rain falls for 5.6 days and typically collects 0.75" (19mm) of precipitation.
With an average of 9h and 6min of daylight, December has the shortest days of the year.
Average temperature
New Berlin, WI
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (25.7°F).
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure
New Berlin, 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:
30.08"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
New Berlin, WI
- Average wind speed in January:
10.9mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10mph - Average wind speed in April:
10.3mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
7mph - Average wind speed in September:
8.1mph - Average wind speed in October:
9.7mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity
New Berlin, WI
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (76%).
Average rainfall
New Berlin, WI
- Average rainfall in January:
0.87" - Average rainfall in February:
0.79" - Average rainfall in March:
1.02" - Average rainfall in April:
2.13" - Average rainfall in May:
2.13" - Average rainfall in June:
2.17"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.13" - Average rainfall in September:
1.46" - Average rainfall in October:
1.85" - Average rainfall in November:
1.02" - Average rainfall in December:
0.75"
The wettest month (with the highest rainfall) is July (2.48").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days
New Berlin, WI
- Average rainfall days in January:
4.3 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
15.2 days - Average rainfall days in June:
13.8 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
12.3 days - Average rainfall days in October:
12.5 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
5.6 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.8 days).
Average snowfall
New Berlin, WI
- Average snowfall in January:
2.76" - Average snowfall in February:
2.01" - Average snowfall in March:
0.67" - Average snowfall in April:
0.87" - Average snowfall in May:
0.04" - Average snowfall in June:
0"
The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
New Berlin, WI
- Average snowfall days in January:
12.6 days - Average snowfall days in February:
9.9 days - Average snowfall days in March:
6.1 days - Average snowfall days in April:
2.3 days - Average snowfall days in May:
0.3 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:
0.5 days - Average snowfall days in November:
4.7 days - Average snowfall days in December:
9.6 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
New Berlin, WI
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 36min - 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 6min
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 6min).
- Average sunshine in January:
3h and 30min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 18min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
10h and 18min - Average sunshine in September:
9h and 6min - 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days
New Berlin, WI
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
15 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
12.9 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
17.9 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is November (17.9 days).
The month with the least sunshine days is July (11.5 days).
Average UV index
New Berlin, 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
New Berlin, WI
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility
New Berlin, 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).
