Climate and monthly weather forecastNiagara, WI
Climate and monthly weather forecast
Weather in January
January, the same as December, in Niagara, Wisconsin, is another subzero cold winter month, with an average temperature fluctuating between 10.2°F (-12.1°C) and 21°F (-6.1°C). Niagara's January weather, with an average high temperature of 21°F (-6.1°C) and an average low temperature of 10.2°F (-12.1°C), tends to be the coldest of the year. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Niagara, Wisconsin, with an average temperature ranging between max 23.9°F (-4.5°C) and min 11.3°F (-11.5°C). The onset of February brings with it an average high-temperature of a still freezing cold 23.9°F (-4.5°C), showing a negligible variation from the month before. Weather in February »Weather in March
March, the first month of the spring in Niagara, is a wintry month, with temperature in the range of an average low of 22.1°F (-5.5°C) and an average high of 35.8°F (2.1°C). March's onset witnesses a shift in the average high-temperature, moving from a freezing cold 23.9°F (-4.5°C) in February to a cold 35.8°F (2.1°C). Weather in March »Weather in April
April in Niagara, Wisconsin, is a frosty spring month, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 47.5°F (8.6°C). With the onset of April, Niagara experiences a temperature shift, with the average high-temperature moving from a cold 35.8°F (2.1°C) in March to a chilly 47.5°F (8.6°C). Weather in April »Weather in May
The last month of the spring, May, is an enjoyable month in Niagara, Wisconsin, with an average temperature fluctuating between 63.1°F (17.3°C) and 42.6°F (5.9°C). The shift into May is marked by a considerable temperature increase, with the average high-temperature soaring from a chilly 47.5°F (8.6°C) in April to a refreshing 63.1°F (17.3°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Niagara, Wisconsin, with an average temperature fluctuating between 50.5°F (10.3°C) and 71.4°F (21.9°C). Niagara's transition into June brings a slight rise in the average high-temperature, moving from a comfortable 63.1°F (17.3°C) in May to a pleasant 71.4°F (21.9°C). Weather in June »Weather in July
July in Niagara, Wisconsin, is a moderately hot summer month, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 77.5°F (25.3°C). July, recording an average high temperature of 77.5°F (25.3°C) and a low temperature of 56.8°F (13.8°C), is Niagara's warmest month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Niagara, Wisconsin, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 75.7°F (24.3°C). The high-temperature average in August for Niagara is a still warm 75.7°F (24.3°C), staying closely aligned with July's conditions. Weather in August »Weather in September
The first month of the autumn, September, is still a refreshing month in Niagara, Wisconsin, with an average temperature varying between 67.6°F (19.8°C) and 48.6°F (9.2°C). In Niagara, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's moderately hot 75.7°F (24.3°C) to a refreshing 67.6°F (19.8°C). Weather in September »Weather in October
October, like September, in Niagara, Wisconsin, is a cool autumn month, with an average temperature fluctuating between 39.7°F (4.3°C) and 52.7°F (11.5°C). October marks a distinct drop in the average high-temperature, descending from September's comfortable 67.6°F (19.8°C) to a fresh 52.7°F (11.5°C). Weather in October »Weather in November
The last month of the autumn, November, is also an icy month in Niagara, Wisconsin, with an average temperature ranging between max 38.5°F (3.6°C) and min 28.8°F (-1.8°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a cool 52.7°F (11.5°C) in October to a wintry 38.5°F (3.6°C). Weather in November »Weather in December
December, the first month of the winter in Niagara, is still a freezing cold month, with an average temperature fluctuating between 18°F (-7.8°C) and 26.8°F (-2.9°C). December's arrival correlates with a reduction in the average high-temperature, down from an icy 38.5°F (3.6°C) in November to a subzero cold 26.8°F (-2.9°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Niagara, WI
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (21°F).
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure
Niagara, WI
- Average pressure in January:
30.04"Hg - Average pressure in February:
30.06"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.03"Hg - Average pressure in December:
30.04"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Niagara, WI
- Average wind speed in January:
8.1mph - Average wind speed in February:
8.2mph - Average wind speed in March:
7.8mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7.4mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.3mph - Average wind speed in September:
7mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8.1mph - Average wind speed in December:
7.8mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity
Niagara, WI
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (72%).
Average rainfall
Niagara, WI
- Average rainfall in January:
1.14" - Average rainfall in February:
1.3" - Average rainfall in March:
1.42" - Average rainfall in April:
2.48" - Average rainfall in May:
2.44" - Average rainfall in June:
2.6"
- Average rainfall in July:
2.44" - Average rainfall in August:
1.89" - Average rainfall in September:
1.81" - Average rainfall in October:
2.36" - Average rainfall in November:
1.3" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is June (2.6").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days
Niagara, WI
- Average rainfall days in January:
6.9 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
15.3 days - Average rainfall days in August:
14 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
12.8 days - Average rainfall days in November:
9.4 days - Average rainfall days in December:
8.6 days
The months with the highest number of rainy days are May, June and July (15.3 days).
The month with the least rainy days is February (5.7 days).
Average snowfall
Niagara, WI
The month with the highest snowfall is February (9.09").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Niagara, WI
- Average snowfall days in January:
20.8 days - Average snowfall days in February:
18.8 days - Average snowfall days in March:
14.8 days - Average snowfall days in April:
8.3 days - Average snowfall days in May:
0.8 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:
2.2 days - Average snowfall days in November:
10.3 days - Average snowfall days in December:
16.1 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Niagara, WI
- Average daylight in January:
9h and 12min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 18min - 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 30min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
2h and 48min - Average sunshine in March:
4h and 42min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 42min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 30min - Average sunshine in September:
8h and 6min - Average sunshine in October:
5h and 0min - Average sunshine in November:
4h and 12min - Average sunshine in December:
3h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days
Niagara, WI
- Average sunshine days in January:
9.2 days - Average sunshine days in February:
9.1 days - Average sunshine days in March:
11.1 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
15.1 days - Average sunshine days in November:
14.1 days - Average sunshine days in December:
11.9 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (9.1 days).
Average UV index
Niagara, WI
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Niagara, WI
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility
Niagara, WI
The months with the highest visibility are May, June, October and November (6mi).
The month with the lowest visibility is February (4mi).





