Climate and monthly weather forecastMerrill, WI
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Merrill, Wisconsin, with temperature in the range of an average low of 7.9°F (-13.4°C) and an average high of 19.2°F (-7.1°C). January is Merrill's coldest month, registering average high temperatures of 19.2°F (-7.1°C) and lows of 7.9°F (-13.4°C). Weather in January »Weather in February
February, the last month of the winter in Merrill, is also a subzero cold month, with an average temperature varying between 9.9°F (-12.3°C) and 22.5°F (-5.3°C). As Merrill welcomes February, the average high-temperature is noted at a still freezing cold 22.5°F (-5.3°C), closely aligning with the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Merrill, Wisconsin, with an average temperature fluctuating between 22.3°F (-5.4°C) and 36.1°F (2.3°C). As March arrives, Merrill's weather shows an increase in high-temperatures, moving from February's subzero cold 22.5°F (-5.3°C) to an icy 36.1°F (2.3°C). Weather in March »Weather in April
April is a chilly spring month in Merrill, Wisconsin, with an average temperature varying between 48.6°F (9.2°C) and 32.5°F (0.3°C). April sees a temperature increase, moving from a cold 36.1°F (2.3°C) in March to a chilly 48.6°F (9.2°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Merrill, Wisconsin, with an average temperature ranging between min 44.1°F (6.7°C) and max 64°F (17.8°C). A clear escalation in the average high-temperature is witnessed with the onset of May, advancing from a chilly 48.6°F (9.2°C) in April to a refreshing 64°F (17.8°C). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Merrill, Wisconsin, with temperature in the range of an average low of 53.1°F (11.7°C) and an average high of 72.7°F (22.6°C). June's arrival coincides with a marginal rise in the average high-temperature, moving from May's enjoyable 64°F (17.8°C) to an agreeable 72.7°F (22.6°C). Weather in June »Weather in July
July is a warm summer month in Merrill, Wisconsin, with an average temperature ranging between min 57.9°F (14.4°C) and max 77.5°F (25.3°C). The highest temperatures are recorded in July, with averages reaching a high of 77.5°F (25.3°C) and a low of 57.9°F (14.4°C). Weather in July »Weather in August
August, the last month of the summer in Merrill, is another warm month, with an average temperature ranging between max 75.6°F (24.2°C) and min 56.5°F (13.6°C). Entering August, the average high-temperature is recorded at a still warm 75.6°F (24.2°C), exhibiting a minimal shift from July's 77.5°F (25.3°C). Weather in August »Weather in September
September, the first month of the autumn in Merrill, is still a comfortable month, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 48.9°F (9.4°C). The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's warm 75.6°F (24.2°C) to a comfortable 67.5°F (19.7°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Merrill, Wisconsin, with an average temperature ranging between max 52°F (11.1°C) and min 38.5°F (3.6°C). The shift from September to October is characterized by a clear decrease in the average high-temperature, reducing from a comfortable 67.5°F (19.7°C) to a cool 52°F (11.1°C). Weather in October »Weather in November
November, the last month of the autumn in Merrill, is another cold month, with an average temperature fluctuating between 26.8°F (-2.9°C) and 37.2°F (2.9°C). Merrill's November weather is characterized by a distinct downswing in high-temperatures, falling from October's fresh 52°F (11.1°C) to a cold 37.2°F (2.9°C). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Merrill, Wisconsin, with an average temperature ranging between min 15.1°F (-9.4°C) and max 24.4°F (-4.2°C). In Merrill, the average high-temperature in December decreases from a cold 37.2°F (2.9°C) in November to a subzero cold 24.4°F (-4.2°C). Weather in December »Updated: Jun 22, 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
Merrill's January weather, marked by an average high temperature of 19.2°F (-7.1°C) and an average low temperature of 7.9°F (-13.4°C), is the coldest in the year.
The months with the highest humidity are January and February, with an average relative humidity of 92%.
The months with the least rainfall are January and February Rain falls for 3.9 days and accumulates 0.79" (20mm) of rain.
Throughout the year, there are 126.6 rainfall days, and 17.36" (441mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
January is the month with the most snowfall. Snow falls for 20.3 days and accumulates 4.76" (121mm) of snow.
In Merrill, during the entire year, snow falls for 89.8 days and aggregates up to 23.58" (599mm) of snow.
January has the least sunshine of the year, with an average of 2.6h of sunshine.
The months with the lowest UV index are January, February 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.
With an average relative humidity of 75%, May is the least humid month.
May is the month with the most rainfall. Rain falls for 15.8 days and accumulates 2.28" (58mm) of precipitation.
June through September are months without snowfall.
With an average of 15h and 36min of daylight, June has the longest days of the year.
The months with the highest UV index are June through August, with an average maximum UV index of 5.
July, with average temperatures reaching a high of 77.5°F (25.3°C) and a low of 57.9°F (14.4°C), is the warmest month in Merrill.
The month with the most sunshine is July, with an average of 9.8h of sunshine.
With an average of 8h and 48min of daylight, December has the shortest days of the year.
Average temperature
Merrill, 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 (19.2°F).
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (7.9°F).
Average pressure
Merrill, WI
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.97"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.05"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Merrill, WI
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.5mph - Average wind speed in March:
8.3mph - Average wind speed in April:
9mph - Average wind speed in May:
8.2mph - 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:
7.5mph - Average wind speed in October:
8.5mph - Average wind speed in November:
8.7mph - Average wind speed in December:
8.3mph
The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity
Merrill, WI
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (75%).
Average rainfall
Merrill, WI
- Average rainfall in January:
0.79" - Average rainfall in February:
0.79" - Average rainfall in March:
1.18" - Average rainfall in April:
2.09" - Average rainfall in May:
2.28" - Average rainfall in June:
2.01"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.46" - Average rainfall in September:
1.22" - Average rainfall in October:
1.85" - Average rainfall in November:
1.06" - Average rainfall in December:
0.94"
The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and February (0.79").
Average rainfall days
Merrill, WI
- Average rainfall days in January:
3.9 days - Average rainfall days in February:
4.2 days - Average rainfall days in March:
9.3 days - Average rainfall days in April:
12.9 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
14.7 days - Average rainfall days in August:
13.3 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
11.2 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
5.3 days
The months with the highest number of rainy days are May and June (15.8 days).
The month with the least rainy days is January (3.9 days).
Average snowfall
Merrill, WI
- Average snowfall in January:
4.76" - Average snowfall in February:
4.17" - Average snowfall in March:
3.07" - Average snowfall in April:
3.19" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is January (4.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Merrill, WI
- Average snowfall days in January:
20.3 days - Average snowfall days in February:
18.3 days - Average snowfall days in March:
12.3 days - Average snowfall days in April:
7 days - Average snowfall days in May:
0.7 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:
3.4 days - Average snowfall days in November:
10.5 days - Average snowfall days in December:
17.3 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Merrill, 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 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 36min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - 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 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
2h and 36min - Average sunshine in February:
2h and 54min - Average sunshine in March:
4h and 54min - Average sunshine in April:
6h and 54min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 6min
- Average sunshine in July:
9h and 48min - Average sunshine in August:
9h and 18min - Average sunshine in September:
8h and 0min - Average sunshine in October:
4h and 54min - Average sunshine in November:
4h and 18min - Average sunshine in December:
3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days
Merrill, WI
- Average sunshine days in January:
11.8 days - Average sunshine days in February:
10.8 days - Average sunshine days in March:
12.9 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.7 days
- Average sunshine days in July:
13.9 days - Average sunshine days in August:
13.8 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
14.7 days - Average sunshine days in November:
13.8 days - Average sunshine days in December:
13 days
The month with the most sunshine days is September (15.7 days).
The month with the least sunshine days is April (10.3 days).
Average UV index
Merrill, 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 and December (UV index 1).
Average cloud cover
Merrill, WI
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility
Merrill, WI
The months with the highest visibility are April, May, June and October (6mi).
The months with the lowest visibility are January and February (4mi).
