Climate and monthly weather forecast
Eureka, WI

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Weather in January

January, the same as December, in Eureka, Wisconsin, is another subzero cold winter month, with temperature in the range of an average low of 10.8°F (-11.8°C) and an average high of 22.3°F (-5.4°C). Eureka's coldest month, January, generally records average temperatures ranging from a high of 22.3°F (-5.4°C) to a low of 10.8°F (-11.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Eureka, Wisconsin, with temperature in the range of an average high of 25.7°F (-3.5°C) and an average low of 12.9°F (-10.6°C). The shift into February records an average high-temperature of a still freezing cold 25.7°F (-3.5°C), subtly varied from January's 22.3°F (-5.4°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Eureka, Wisconsin, with an average temperature ranging between min 25.5°F (-3.6°C) and max 39.2°F (4°C). The rise of average high-temperatures is seen in March, with an increase from a freezing cold 25.7°F (-3.5°C) in February to an icy 39.2°F (4°C). Weather in March »

Weather in April

April in Eureka, Wisconsin, is a cool spring month, with an average temperature varying between 35.4°F (1.9°C) and 51.3°F (10.7°C). The shift from March to April brings an increase in the average high-temperature, moving from a cold 39.2°F (4°C) to a fresh 51.3°F (10.7°C). Weather in April »

Weather in May

May, the last month of the spring in Eureka, is a refreshing month, with an average temperature varying between 46.8°F (8.2°C) and 64.4°F (18°C). As Eureka, Wisconsin, welcomes May, the average high-temperature sees a rise, transitioning from a cool 51.3°F (10.7°C) in April to a refreshing 64.4°F (18°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Eureka, Wisconsin, with an average temperature ranging between min 55.9°F (13.3°C) and max 73°F (22.8°C). As Eureka transitions into June, the average high-temperature is observed to slightly rise from a refreshing 64.4°F (18°C) in May to an agreeable 73°F (22.8°C). Weather in June »

Weather in July

July is a moderately hot summer month in Eureka, Wisconsin, with temperature in the range of an average low of 60.6°F (15.9°C) and an average high of 78.1°F (25.6°C). July, having an average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 60.6°F (15.9°C), is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Eureka, Wisconsin, with an average temperature varying between 77.2°F (25.1°C) and 59°F (15°C). As Eureka welcomes August, the average high-temperature records at a still warm 77.2°F (25.1°C), marking an insignificant deviation from the prior month. Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Eureka, Wisconsin, with an average temperature fluctuating between 51.8°F (11°C) and 70.2°F (21.2°C). September witnesses a gentle descent in average high-temperature, descending from August's moderately hot 77.2°F (25.1°C) to a pleasant 70.2°F (21.2°C). Weather in September »

Weather in October

October, the same as September, in Eureka, Wisconsin, is another refreshing autumn month, with an average temperature fluctuating between 41.5°F (5.3°C) and 56.1°F (13.4°C). Eureka's average high-temperature decreases in October, falling from an agreeable 70.2°F (21.2°C) in September to a refreshing 56.1°F (13.4°C). Weather in October »

Weather in November

November, the last month of the autumn in Eureka, is also an icy month, with an average temperature ranging between max 41.7°F (5.4°C) and min 30.2°F (-1°C). Eureka's November weather is marked by a distinct drop in high-temperatures, declining from a mild 56.1°F (13.4°C) in October to a wintry 41.7°F (5.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Eureka, Wisconsin, with temperature in the range of an average high of 28.6°F (-1.9°C) and an average low of 18.5°F (-7.5°C). December's arrival corresponds with a decrease in average high-temperatures, from November's wintry 41.7°F (5.4°C) to a freezing cold 28.6°F (-1.9°C). Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Eureka?

Eureka, Wisconsin, experiences its average lowest temperatures in January, reaching a peak of 22.3°F (-5.4°C) and a minimum of 10.8°F (-11.8°C).

What is the most humid month in Eureka?

January is the most humid month in Eureka, Wisconsin, with an average relative humidity of 89%.

What is the driest month in Eureka?

January is the month with the least rainfall in Eureka, Wisconsin. Rain falls for 3.4 days and accumulates 0.47" (12mm) of precipitation.

How many days does it rain in Eureka?

Throughout the year, in Eureka, Wisconsin, there are 104.9 rainfall days, and 12.36" (314mm) of precipitation is accumulated.

When does it snow in Eureka?

Months with snowfall are January through May, October through December.

When does it snow the most in Eureka?

The month with the most snowfall in Eureka is January, when snow falls for 11.8 days and typically aggregates up to 2.24" (57mm) of snow.

How many days does it snow in Eureka?

Throughout the year, in Eureka, there are 47.7 snowfall days, and 9.45" (240mm) of snow is accumulated.

What are the months with the least sunshine in Eureka?

January and February, with an average of 3.4h of sunshine, are months with the least sunshine.

What are the months with the lowest UV index in Eureka?

The months with the lowest UV index in Eureka, Wisconsin, are January, February, November and December, with an average maximum UV index of 1.

When is Daylight Saving Time (DST) in Eureka?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Eureka, 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 Eureka?

The least humid month in Eureka is April, with an average relative humidity of 76%.

What is the rainiest month in Eureka?

June is the month with the most rainfall in Eureka. Rain falls for 13.1 days and accumulates 1.77" (45mm) of precipitation.

When it does not snow in Eureka?

June through September are months without snowfall in Eureka.

When are the longest days in Eureka?

With an average of 15h and 24min of daylight, June has the longest days of the year in Eureka.

What month is the hottest in Eureka?

July is the month when Eureka, Wisconsin, experiences its warmest temperatures, averaging a high of 78.1°F (25.6°C) and a low of 60.6°F (15.9°C).

What month has the most sunshine in Eureka?

July has the most sunshine of the year in Eureka, with an average of 10.1h of sunshine.

When is the highest UV index in Eureka?

With an average maximum UV index of 6, July is the month with the highest UV index in Eureka, Wisconsin.

What is the month with the shortest days in Eureka?

The month with the shortest days is December, with an average of 9h and 0min of daylight.

Average temperature
Eureka, WI

Average temperature - Eureka, WI

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (22.3°F).

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

Average pressure
Eureka, WI

Average pressure - Eureka, WI

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
Eureka, WI

Average wind speed - Eureka, WI

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

Average humidity
Eureka, WI

Average humidity - Eureka, WI

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).

Average rainfall
Eureka, WI

Average rainfall - Eureka, WI

The wettest month (with the highest rainfall) is June (1.77").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days
Eureka, WI

Average rainfall days - Eureka, WI

The month with the highest number of rainy days is May (13.5 days).
The month with the least rainy days is February (2.8 days).

Average snowfall
Eureka, WI

Average snowfall - Eureka, WI

The month with the highest snowfall is January (2.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Eureka, WI

Average snowfall days - Eureka, WI

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Eureka, WI

Average daylight / Average sunshine - Eureka, WI

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).

Average sunshine days
Eureka, WI

Average sunshine days - Eureka, WI

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (13.5 days).

Average UV index
Eureka, WI

Average UV index - Eureka, WI

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average visibility
Eureka, WI

Average visibility - Eureka, WI

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Eureka, Wisconsin, USA

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