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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Grafton, Wisconsin, is another subzero cold winter month, with an average temperature ranging between min 15.8°F (-9°C) and max 25.5°F (-3.6°C). January, marked by an average high-temperature of 25.5°F (-3.6°C) and a low-temperature of 15.8°F (-9°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Grafton, is another freezing cold month, with an average temperature fluctuating between 18°F (-7.8°C) and 28.2°F (-2.1°C). Upon the beginning of February, Grafton's high-temperatures register at a still subzero cold 28.2°F (-2.1°C), closely mirroring the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is an icy month in Grafton, Wisconsin, with an average temperature ranging between max 38.5°F (3.6°C) and min 28°F (-2.2°C). In Grafton, the average high-temperature in March increases from a subzero cold 28.2°F (-2.1°C) in February to a cold 38.5°F (3.6°C). Weather in March »
Weather in April
April in Grafton, Wisconsin, is a chilly spring month, with temperature in the range of an average low of 36.9°F (2.7°C) and an average high of 48.6°F (9.2°C). April comes with an increase, with the average high-temperature moving from an icy 38.5°F (3.6°C) in March to a frosty 48.6°F (9.2°C). Weather in April »
Weather in May
May, the last month of the spring in Grafton, is a moderate month, with an average temperature varying between 59.5°F (15.3°C) and 46.8°F (8.2°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a chilly 48.6°F (9.2°C) to a refreshing 59.5°F (15.3°C). Weather in May »
Weather in June
June, the first month of the summer in Grafton, is a pleasant month, with an average temperature varying between 68.7°F (20.4°C) and 55.8°F (13.2°C). As Grafton welcomes June, the average high-temperature sees a rise, transitioning from a refreshing 59.5°F (15.3°C) in May to a pleasant 68.7°F (20.4°C). Weather in June »
Weather in July
July in Grafton, Wisconsin, is a moderately hot summer month, with an average temperature varying between 76.1°F (24.5°C) and 63.1°F (17.3°C). With its high average 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. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Grafton, Wisconsin, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 62.4°F (16.9°C). The transition into August shows a subtle variation to a still warm 75.4°F (24.1°C) from July's 76.1°F (24.5°C) in the average high-temperature. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Grafton, Wisconsin, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 55.9°F (13.3°C). A mild shift in the average high-temperature occurs in September, reducing from a warm 75.4°F (24.1°C) in August to a pleasant 68.9°F (20.5°C). Weather in September »
Weather in October
October, like September, is another mild autumn month in Grafton, Wisconsin, with an average temperature varying between 56.7°F (13.7°C) and 44.8°F (7.1°C). In Grafton, the beginning of October is marked by a lowered average high-temperature, shifting from September's pleasant 68.9°F (20.5°C) to a moderate 56.7°F (13.7°C). Weather in October »
Weather in November
November, the last month of the autumn in Grafton, is another chilly month, with an average temperature varying between 43°F (6.1°C) and 32.9°F (0.5°C). As November begins, there is a decrease in the average high-temperature, falling from a mild 56.7°F (13.7°C) in October to a chilly 43°F (6.1°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Grafton, Wisconsin, with temperature in the range of an average high of 31.5°F (-0.3°C) and an average low of 23.7°F (-4.6°C). The shift from November to December involves a decrease in the average high-temperature, from a chilly 43°F (6.1°C) to a subzero cold 31.5°F (-0.3°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Grafton?
January is the month that records the lowest temperatures, with averages ranging from a high of 25.5°F (-3.6°C) to a low of 15.8°F (-9°C).
What is the most humid month in Grafton?
The most humid month in Grafton, Wisconsin, is January, with an average relative humidity of 86%.
How much does it rain in Grafton?
Throughout the year, in Grafton, Wisconsin, there are 134.9 rainfall days, and 23.94" (608mm) of precipitation is accumulated.
When does it snow in Grafton?
Months with snowfall in Grafton, Wisconsin, are January through April, October through December.
When does it snow the most in Grafton?
January is the month with the most snowfall in Grafton. Snow falls for 12.8 days and accumulates 3.43" (87mm) of snow.
How much does it snow in Grafton?
In Grafton, Wisconsin, during the entire year, snow falls for 51.1 days and aggregates up to 13.66" (347mm) of snow.
What is the month with the least sunshine in Grafton?
With an average of 3.6h of sunshine, January has the least sunshine of the year in Grafton, Wisconsin.
What are the months with the lowest UV index in Grafton?
The months with the lowest UV index in Grafton, Wisconsin, are January, November and December, with an average maximum UV index of 1.
What is the driest month in Grafton?
The month with the least rainfall in Grafton, Wisconsin, is February, when the rain falls for 3.8 days and typically collects 0.98" (25mm) of precipitation.
When is Daylight Saving Time (DST) in Grafton?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Grafton, 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.
What are the least humid months in Grafton?
The months with the lowest humidity are April, October and November, with an average relative humidity of 77%.
When it does not snow in Grafton?
May through September are months without snowfall in Grafton.
When are the longest days in Grafton?
June has the longest days of the year in Grafton, Wisconsin, with an average of 15h and 18min of daylight.
What is the hottest time of year in Grafton?
July, marked by an average high-temperature of 76.1°F (24.5°C) and a low-temperature of 63.1°F (17.3°C), is the warmest month.
What is the rainiest month in Grafton?
July is the month with the most rainfall. Rain falls for 15.7 days and accumulates 2.99" (76mm) of precipitation.
What are the months with the most sunshine in Grafton?
July and August, with an average of 10.4h of sunshine, are months with the most sunshine.
What is the month with the highest UV index in Grafton?
July is the month with the highest UV index, with an average maximum UV index of 6.
What is the month with the shortest days in Grafton?
December has the shortest days of the year, with an average of 9h and 0min of daylight.
Average temperature
Grafton, 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
Grafton, 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
Grafton, 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
Grafton, 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
Grafton, 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
Grafton, 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
Grafton, 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
Grafton, 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
Grafton, WI
- Average daylight in January:
9h and 2min - Average daylight in February:
10h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 2min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 4min - 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 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 2min - Average sunshine in November:
4h and 5min - Average sunshine in December:
3h and 5min
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
Grafton, 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
Grafton, 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
Grafton, 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
Grafton, 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).
Grafton, Wisconsin, USA
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