Climate and monthly weather forecastPort Washington, WI
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Port Washington, Wisconsin, with an average temperature varying between 15.8°F (-9°C) and 25.5°F (-3.6°C). Port Washington's coldest month, January, registers temperatures that range from a high of 25.5°F (-3.6°C) to a low of 15.8°F (-9°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Port Washington, Wisconsin, with an average temperature varying between 18°F (-7.8°C) and 28.2°F (-2.1°C). Entering February, the average high-temperature is recorded at a still subzero cold 28.2°F (-2.1°C), exhibiting a minimal shift from January's 25.5°F (-3.6°C). Weather in February »Weather in March
March, the first month of the spring in Port Washington, is a wintry month, with an average temperature fluctuating between 28°F (-2.2°C) and 38.5°F (3.6°C). With the onset of March, Port Washington experiences a temperature shift, with the average high-temperature moving from a freezing cold 28.2°F (-2.1°C) in February to an icy 38.5°F (3.6°C). Weather in March »Weather in April
April is a chilly spring month in Port Washington, Wisconsin, with an average temperature ranging between min 36.9°F (2.7°C) and max 48.6°F (9.2°C). With the onset of April, Port Washington sees a temperature rise, with the average high-temperature moving from March's icy 38.5°F (3.6°C) to a frosty 48.6°F (9.2°C). Weather in April »Weather in May
May, the last month of the spring in Port Washington, is a moderate month, with temperature in the range of an average high of 59.5°F (15.3°C) and an average low of 46.8°F (8.2°C). May's arrival sees a rise in the average high-temperature, jumping from April's chilly 48.6°F (9.2°C) to a mild 59.5°F (15.3°C). Weather in May »Weather in June
June, the first month of the summer in Port Washington, is an agreeable month, with temperature in the range of an average high of 68.7°F (20.4°C) and an average low of 55.8°F (13.2°C). As June arrives, a rise in the average high-temperature is observed, moving from a refreshing 59.5°F (15.3°C) in May to an agreeable 68.7°F (20.4°C). Weather in June »Weather in July
July is a moderately hot summer month in Port Washington, Wisconsin, with an average temperature ranging between max 76.1°F (24.5°C) and min 63.1°F (17.3°C). In Port Washington, the month of July is known for its highest average temperatures, reaching a high of 76.1°F (24.5°C) and a low of 63.1°F (17.3°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Port Washington, Wisconsin, with an average temperature fluctuating between 75.4°F (24.1°C) and 62.4°F (16.9°C). Port Washington experiences an average high-temperature of a still warm 75.4°F (24.1°C) with the onset of August, subtly varied from July's 76.1°F (24.5°C). Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Port Washington, Wisconsin, with an average temperature ranging between min 55.9°F (13.3°C) and max 68.9°F (20.5°C). Port Washington in September experiences a gentle temperature dip, with average high-temperatures reducing from a moderately hot 75.4°F (24.1°C) in August to an agreeable 68.9°F (20.5°C). Weather in September »Weather in October
October, the same as September, in Port Washington, Wisconsin, is a moderate autumn month, with temperature in the range of an average high of 56.7°F (13.7°C) and an average low of 44.8°F (7.1°C). In Port Washington, the average high-temperature in October drops from an agreeable 68.9°F (20.5°C) in September to a moderate 56.7°F (13.7°C). Weather in October »Weather in November
November, the last month of the autumn in Port Washington, is also a frosty month, with an average temperature varying between 43°F (6.1°C) and 32.9°F (0.5°C). A shift in the average high-temperature occurs in November, reducing from a moderate 56.7°F (13.7°C) in October to a chilly 43°F (6.1°C). Weather in November »Weather in December
December, the first month of the winter in Port Washington, is still a freezing cold month, with an average temperature varying between 31.5°F (-0.3°C) and 23.7°F (-4.6°C). The onset of December entails a temperature shift, as the average high-temperature decreases from a chilly 43°F (6.1°C) in November to a subzero cold 31.5°F (-0.3°C). Weather in December »Updated: Jun 27, 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
Port Washington's coldest weather arrives in January, when temperatures average a high of 25.5°F (-3.6°C) and a low of 15.8°F (-9°C).
The most humid month is January, with an average relative humidity of 86%.
Throughout the year, there are 134.9 rainfall days, and 23.94" (608mm) of precipitation is accumulated.
Months with snowfall are January through April, October through December.
January is the month with the most snowfall. Snow falls for 12.8 days and accumulates 3.43" (87mm) of snow.
Throughout the year, in Port Washington, there are 51.1 snowfall days, and 13.66" (347mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 3.6h of sunshine.
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
The month with the least rainfall is February, when the rain falls for 3.8 days and typically collects 0.98" (25mm) of precipitation.
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 77%.
In Port Washington, snow does not fall in May through September.
The month with the longest days is June, with an average of 15h and 24min of daylight.
With its average high temperature of 76.1°F (24.5°C) and a low of 63.1°F (17.3°C), July is regarded as the warmest month in Port Washington.
The month with the most rainfall is July, when the rain falls for 15.7 days and typically aggregates up to 2.99" (76mm) of precipitation.
July and August, with an average of 10.4h of sunshine, are months with the most sunshine in Port Washington.
With an average maximum UV index of 6, July is the month with the highest UV index.
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Port Washington, WI
The warmest month (with the highest average high temperature) is July (76.1°F).
The month with the lowest average high temperature is January (25.5°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure
Port Washington, 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:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.96"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 (29.91"Hg).
Average wind speed
Port Washington, WI
- Average wind speed in January:
12.1mph - Average wind speed in February:
11.7mph - Average wind speed in March:
10.7mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.2mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.6mph - Average wind speed in September:
8.9mph - Average wind speed in October:
10.6mph - Average wind speed in November:
11.2mph - Average wind speed in December:
11.4mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).
Average humidity
Port Washington, WI
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall
Port Washington, WI
- Average rainfall in January:
1.18" - Average rainfall in February:
0.98" - Average rainfall in March:
1.38" - Average rainfall in April:
2.52" - Average rainfall in May:
2.76" - Average rainfall in June:
2.87"
The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days
Port Washington, WI
- Average rainfall days in January:
4.4 days - Average rainfall days in February:
3.8 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
14.6 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
15.7 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
13.1 days - Average rainfall days in November:
8.6 days - Average rainfall days in December:
5.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall
Port Washington, WI
The month with the highest snowfall is January (3.43").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Port Washington, WI
- Average snowfall days in January:
12.8 days - Average snowfall days in February:
11.7 days - Average snowfall days in March:
7.5 days - Average snowfall days in April:
2.2 days - Average snowfall days in May:
0.1 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:
0.7 days - Average snowfall days in November:
5.2 days - Average snowfall days in December:
10.9 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Port Washington, 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 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:
3h and 36min - Average sunshine in February:
3h and 48min - Average sunshine in March:
5h and 54min - Average sunshine in April:
7h and 24min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 24min - 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 24min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days
Port Washington, WI
- Average sunshine days in January:
13.3 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
12.2 days - Average sunshine days in May:
12.9 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
11.6 days - Average sunshine days in August:
12.6 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
13.9 days - Average sunshine days in November:
16.1 days - Average sunshine days in December:
16.4 days
The month with the most sunshine days is December (16.4 days).
The month with the least sunshine days is July (11.6 days).
Average UV index
Port Washington, 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
Port Washington, 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 28).
Average visibility
Port Washington, 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).
