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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 Mercer, Wisconsin, is another subzero cold winter month, with an average temperature fluctuating between 18.3°F (-7.6°C) and 7°F (-13.9°C). January stands out as Mercer's coldest month, with temperatures ranging between an average high of 18.3°F (-7.6°C) and a low of 7°F (-13.9°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Mercer, Wisconsin, with temperature in the range of an average low of 9°F (-12.8°C) and an average high of 21.7°F (-5.7°C). The advent of February brings an average high-temperature of a still subzero cold 21.7°F (-5.7°C), exhibiting minor difference from the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a cold month in Mercer, Wisconsin, with temperature in the range of an average low of 21.2°F (-6°C) and an average high of 34.7°F (1.5°C). March's arrival is marked by an increase in the average high-temperature, moving from a subzero cold 21.7°F (-5.7°C) in February to a cold 34.7°F (1.5°C). Weather in March »
Weather in April
April is a frosty spring month in Mercer, Wisconsin, with temperature in the range of an average high of 46.9°F (8.3°C) and an average low of 31.1°F (-0.5°C). The onset of April brings a temperature shift, with the average high-temperature moving from a cold 34.7°F (1.5°C) in March to a chilly 46.9°F (8.3°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Mercer, Wisconsin, with temperature in the range of an average low of 43°F (6.1°C) and an average high of 63.3°F (17.4°C). With the onset of May, Mercer's average high-temperature witnesses a clear rise, advancing from April's frosty 46.9°F (8.3°C) to a comfortable 63.3°F (17.4°C). Weather in May »
Weather in June
June, the first month of the summer in Mercer, is an agreeable month, with an average temperature varying between 51.4°F (10.8°C) and 73°F (22.8°C). In Mercer, the average high-temperature in June increases from an enjoyable 63.3°F (17.4°C) in May to a pleasant 73°F (22.8°C). Weather in June »
Weather in July
July is a warm summer month in Mercer, Wisconsin, with an average temperature fluctuating between 77.5°F (25.3°C) and 56.8°F (13.8°C). July, with average temperatures reaching a high of 77.5°F (25.3°C) and a low of 56.8°F (13.8°C), is the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Mercer, is another warm month, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 55.6°F (13.1°C). As Mercer transitions from July to August, the average high-temperatures adjust to a still moderately hot 75.2°F (24°C), nearly the same as the previous 77.5°F (25.3°C). Weather in August »
Weather in September
September, the first month of the autumn in Mercer, is still a refreshing month, with an average temperature fluctuating between 48.9°F (9.4°C) and 66.9°F (19.4°C). The average high-temperature slightly decreases in September, shifting from a moderately hot 75.2°F (24°C) in August to a comfortable 66.9°F (19.4°C). Weather in September »
Weather in October
October, the same as September, is a cool autumn month in Mercer, Wisconsin, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 50.5°F (10.3°C). October's arrival sees a clear drop in the average high-temperature, decreasing from September's comfortable 66.9°F (19.4°C) to a fresh 50.5°F (10.3°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Mercer, Wisconsin, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 36°F (2.2°C). A distinct shift in the average high-temperature is signaled in November, moving down from a cool 50.5°F (10.3°C) in October to a wintry 36°F (2.2°C). Weather in November »
Weather in December
December, the first month of the winter in Mercer, is also a subzero cold month, with temperature in the range of an average high of 23.7°F (-4.6°C) and an average low of 14.4°F (-9.8°C). Mercer's transition into December involves a shift in temperature, receding from a cold 36°F (2.2°C) in November to a subzero cold 23.7°F (-4.6°C). Weather in December »
[Resources]Frequently asked questions
What month is the coldest in Mercer?
Mercer's January weather reaches an average high of 18.3°F (-7.6°C) and an average low of 7°F (-13.9°C), making it the coldest month.
What is the most humid month in Mercer?
The most humid month is January, with an average relative humidity of 93%.
What is the driest month in Mercer?
January is the month with the least rainfall in Mercer. Rain falls for 3 days and accumulates 1.26" (32mm) of precipitation.
How much does it rain in Mercer?
In Mercer, Wisconsin, during the entire year, the rain falls for 126.3 days and collects up to 24.09" (612mm) of precipitation.
When does it snow in Mercer?
Months with snowfall are January through May, October through December.
How many days does it snow in Mercer?
In Mercer, Wisconsin, during the entire year, snow falls for 120.8 days and aggregates up to 54.92" (1395mm) of snow.
What is the month with the least sunshine in Mercer?
January has the least sunshine of the year, with an average of 1.9h of sunshine.
What are the months with the lowest UV index in Mercer?
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Mercer, Wisconsin.
When is Daylight Saving Time (DST) in Mercer?
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.
What is the least humid month in Mercer?
The least humid month in Mercer, Wisconsin, is May, with an average relative humidity of 71%.
What is the wettest month in Mercer?
The month with the most rainfall is May, when the rain falls for 16 days and typically aggregates up to 3.15" (80mm) of precipitation.
When it does not snow in Mercer?
In Mercer, Wisconsin, snow does not fall in June through September.
When are the longest days in Mercer?
The month with the longest days in Mercer is June, with an average of 15h and 42min of daylight.
What are the months with the highest UV index in Mercer?
June through August, with an average maximum UV index of 5, are months with the highest UV index.
What part of the year is the hottest in Mercer?
The warmest period is July, when temperatures fluctuate between an average high of 77.5°F (25.3°C) and a low of 56.8°F (13.8°C).
What month has the most sunshine in Mercer?
July has the most sunshine of the year in Mercer, with an average of 9.9h of sunshine.
When does it snow the most in Mercer?
The month with the most snowfall in Mercer is December, when snow falls for 23.5 days and typically aggregates up to 10.75" (273mm) of snow.
What is the month with the shortest days in Mercer?
December has the shortest days of the year, with an average of 8h and 42min of daylight.
Average temperature
Mercer, 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 (18.3°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 (7°F).
Average pressure
Mercer, WI
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.93"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:
30.04"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed
Mercer, WI
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.1mph - Average wind speed in April:
8.5mph - Average wind speed in May:
7.8mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.6mph - Average wind speed in October:
8.4mph - Average wind speed in November:
8.8mph - Average wind speed in December:
8.4mph
The windiest month (with the highest average wind speed) is November (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity
Mercer, WI
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (71%).
Average rainfall
Mercer, WI
- Average rainfall in January:
1.26" - Average rainfall in February:
1.3" - Average rainfall in March:
1.46" - Average rainfall in April:
2.72" - Average rainfall in May:
3.15" - Average rainfall in June:
2.68"
- Average rainfall in July:
2.28" - Average rainfall in August:
1.85" - Average rainfall in September:
1.61" - Average rainfall in October:
2.6" - Average rainfall in November:
1.54" - Average rainfall in December:
1.65"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days
Mercer, WI
- Average rainfall days in January:
3 days - Average rainfall days in February:
3.3 days - Average rainfall days in March:
9 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
16 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
14.2 days - Average rainfall days in August:
13.5 days - Average rainfall days in September:
13.8 days - Average rainfall days in October:
12.6 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
4.3 days
The months with the highest number of rainy days are May and June (16 days).
The month with the least rainy days is January (3 days).
Average snowfall
Mercer, WI
- Average snowfall in January:
9.17" - Average snowfall in February:
9.06" - Average snowfall in March:
6.61" - Average snowfall in April:
8.15" - Average snowfall in May:
1.34" - Average snowfall in June:
0"
The month with the highest snowfall is December (10.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mercer, WI
- Average snowfall days in January:
25.6 days - Average snowfall days in February:
22.3 days - Average snowfall days in March:
16.4 days - Average snowfall days in April:
10.7 days - Average snowfall days in May:
1.6 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:
5.4 days - Average snowfall days in November:
15.3 days - Average snowfall days in December:
23.5 days
The month with the highest number of snowfall days is January (25.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mercer, WI
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 4min
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:
1h and 5min - Average sunshine in February:
2h and 1min - Average sunshine in March:
4h and 2min - Average sunshine in April:
6h and 2min - Average sunshine in May:
8h and 2min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 1min - Average sunshine in September:
7h and 5min - Average sunshine in October:
4h and 2min - Average sunshine in November:
3h and 4min - Average sunshine in December:
2h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days
Mercer, WI
- Average sunshine days in January:
6.3 days - Average sunshine days in February:
6.7 days - Average sunshine days in March:
9.7 days - Average sunshine days in April:
9.1 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
12.1 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
13.7 days - Average sunshine days in October:
12.5 days - Average sunshine days in November:
10.5 days - Average sunshine days in December:
7.2 days
The month with the most sunshine days is August (14.3 days).
The month with the least sunshine days is January (6.3 days).
Average UV index
Mercer, 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
Mercer, WI
The month with the most cloud cover is January (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility
Mercer, WI
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February and December (4mi).
Mercer, Wisconsin, USA
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