Monthly weather forecast and climate
Merrillan, WI

January is the coldest month in Merrillan, with an average high-temperature of 24.8°F (-4°C) and an average low-temperature of 1.4°F (-17°C). Months with the least rainfall are January, February and December Rain falls for 7 days and accumulates 1.2" (30mm) of rain.
Weather in January »
In February, the average high-temperature is 30.2°F (-1°C), and the average low-temperature is 5°F (-15°C). Months with the least rainfall in Merrillan are January, February and December Rain falls for 5 days and accumulates 1.2" (30mm) of rain.
Weather in February »
In Merrillan, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 17.6°F (-8°C). In Merrillan, it is raining for 7 days, with typically 1.8" (46mm) of accumulated precipitation.
Weather in March »
In April, the average high-temperature is 57.2°F (14°C), and the average low-temperature is 30.2°F (-1°C). In Merrillan, during April, the rain falls for 9 days and regularly aggregates up to 2.8" (71mm) of precipitation.
Weather in April »
In Merrillan, the average high-temperature is 71.6°F (22°C), and the average low-temperature is 42.8°F (6°C). In Merrillan, during May, the rain falls for 10 days and regularly aggregates up to 3.9" (99mm) of precipitation.
Weather in May »
The average high-temperature, in Merrillan, is 78.8°F (26°C), while the average low-temperature is 51.8°F (11°C). The month with the most rainfall in Merrillan is June when the rain falls for 10 days and typically aggregates up to 4.4" (112mm) of precipitation.
Weather in June »
The warmest month is July, with an average high-temperature of 84.2°F (29°C) and an average low-temperature of 55.4°F (13°C). In Merrillan, it is raining for 9 days, with typically 3.7" (94mm) of accumulated precipitation.
Weather in July »
In Merrillan, in August, the average high-temperature is 82.4°F (28°C), and the average low-temperature is 53.6°F (12°C). In August, the rain falls for 9 days.
Weather in August »
In Merrillan, in September, the average high-temperature is 73.4°F (23°C), and the average low-temperature is 46.4°F (8°C). In Merrillan, during September, the rain falls for 9 days and regularly aggregates up to 3.8" (97mm) of precipitation.
Weather in September »
The average high-temperature, in October, is 60.8°F (16°C), while the average low-temperature is 35.6°F (2°C). In Merrillan, in October, it is raining for 8 days, with typically 2.3" (58mm) of accumulated precipitation.
Weather in October »
In Merrillan, Wisconsin, in November, the average high-temperature is 42.8°F (6°C), and the average low-temperature is 23°F (-5°C). In Merrillan, in November, during 7 rainfall days, 1.8" (46mm) of precipitation is typically accumulated.
Weather in November »
In December, the average high-temperature is 28.4°F (-2°C), and the average low-temperature is 8.6°F (-13°C). January, February and December are months with the least rain when the rain falls for 6 days and typically aggregates up to 1.2" (30mm) of rain.
Weather in December »

What is the coldest month in Merrillan?

January is the coldest month in Merrillan, Wisconsin, with an average high-temperature of 24.8°F (-4°C) and an average low-temperature of 1.4°F (-17°C).

How many days does it rain in Merrillan?

Throughout the year, in Merrillan, Wisconsin, there are 96 rainfall days, and 32" (812mm) of precipitation is accumulated.

What is the driest month in Merrillan?

Months with the least rainfall are January, February and December Rain falls for 7 days and accumulates 1.2" (30mm) of rain.

What is the wettest month in Merrillan?

June is the month with the most rainfall. Rain falls for 10 days and accumulates 4.4" (112mm) of precipitation.

When are the longest days in Merrillan?

The month with the longest days in Merrillan, Wisconsin, is June, with an average of 15.5h of daylight.

What is the warmest month in Merrillan?

With an average high-temperature of 84.2°F (29°C) and an average low-temperature of 55.4°F (13°C), July is the warmest month in Merrillan.

What is the month with the shortest days in Merrillan?

December has the shortest days of the year in Merrillan, with an average of 8.9h of daylight.
Average temperature - Merrillan, WI
Average rainfall - Merrillan, WI

The wettest month (with the highest rainfall) is June (4.4").
Driest months (with the lowest rainfall) are January, February and December (1.2").

Average rainfall days - Merrillan, WI
Average daylight - Merrillan, WI
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