Climate and monthly weather forecast
Ephraim, WI

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The climate of Ephraim

Ephraim, Wisconsin, USA, characterized by a Köppen climate classification of Dfb, experiences a Humid Continental climate with a warm summer and no dry season. Placed geographically in the temperate zone, Ephraim's weather patterns exhibit significant seasonal fluctuations which may invite diverse attractions or challenges depending on the nature of the weather itself.

Throughout the year, the average temperature high ranges from 25.2°F (-3.8°C) in January to 69.6°F (20.9°C) in August while it occasionally dips to 63°F (17.2°C) in September. On the contrary, the lowest temperature fluctuates between 18.1°F (-7.7°C) in January and 63°F (17.2°C) in August. It is noteworthy that Ephraim experiences a hike in relative humidity during June with 84% before settling down to 76% by the month of November.

Among other aspects of climate, the region observes rainfall from 1.38" (35mm) in January to 3.07" (78mm) in October, with the highest number of rainfall days being 15.6 in August. Snowfall in Ephraim is minimal reaching its peak in February with 4.49" (114mm) and completely absent during the months from June to September. The sea temperature varies between 36°F (2.2°C) in the months of March and April to 64°F (17.8°C) in August.

The average daylight hours in Ephraim extend from 14.9 hours in May to 8.8 hours in December. On the other hand, sunshine hours range from 3.1 hours in January to 10.6 hours in July, with the domination of sunlight extending for as much as 15.1 days in September. The average visibility is consistent throughout the year, extending to a maximum of 6 miles except in January and December where it restricts to 5 miles.

The best time to visit Ephraim

With the climatic conditions taken into consideration, the best time to visit Ephraim falls between May and September. During this period, high temperature values rise steadily from 50°F (10°C) to 69.6°F (20.9°C) bringing in warm weather. The rainfall is moderate within this time frame, and snowfall is non-existent. Moreover, the daylight is plentiful, averaging between 14.9 hours in May and 12.5 hours in September.

The worst time to visit Ephraim

The period from December to February is considered as the most challenging time due to the chilling temperatures with averages dropping to as low as 25.2°F (-3.8°C) in January. The presence of snowfall, reaching a peak of 4.49" (114mm) in February, and a high level of humidity adding a dampness to the cold, could make the conditions uncomfortable for some.

Spring weather in Ephraim

During the spring season from March to May, Ephraim experiences a transition in climate. The average high temperature rises gradually from 34°F (1.1°C) to 50°F (10°C) while the average low temperature escalates from 27°F (-2.8°C) to 42.6°F (5.9°C). The season also brings a considerable increase in the level of rainfall, starting from 1.89" (48mm) in March to 2.8" (71mm) in May. The snowfall tends to diminish notably in this season diminishing from 2.48" (63mm) in March to just 0.08" (2mm) in May.

Summer weather in Ephraim

Summer in Ephraim, from June to August, is characterized by pleasant weather conditions with the temperature high reaching up to 68°F (20°C) to 69.6°F (20.9°C). The low temperatures remain comfortable, oscillating between 50.9°F (10.5°C) to 63°F (17.2°C). Rainfall remains consistent hovering around 2.68" (68mm) to 2.87" (73mm), while snowfall is completely absent. The sea temperature is quite welcoming with a rise up to 55°F (12.8°C) to 64°F (17.8°C).

Autumn weather in Ephraim

Autumn in Ephraim, extending from September to November, witnesses a decrease in temperatures with the average high falling from 64.4°F (18°C) to 41.7°F (5.4°C). The average low temperature drops from 57.6°F (14.2°C) to 35.4°F (1.9°C). The rainfall slightly increases reaching the peak of 3.07" (78mm) in October, but snowfall presence starts appearing towards November.

Winter weather in Ephraim

Winter season in Ephraim, from December to February, is market by cold conditions with the average high temperature ranging from 31.1°F (-0.5°C) to 25.2°F (-3.8°C). The low temperatures descend between 25.5°F (-3.6°C) to 18.1°F (-7.7°C). In contrast to the other seasons, snowfall sees a significant rise up to reach approximately 4.49" (114mm) in February. Despite the cold, the daylight hovers between 8.8 hours in December to 10.5 hours in February maintaining a certain level of ambience.

Weather in January

In Ephraim, Wisconsin, January is synonymous with cold and snow. In comparison to December, the temperatures rise marginally providing some respite from the chilly winter. Snowfall still remains a characteristic feature with the amount of snowfall inches hitting 3.19" (81mm). Weather in January »

Weather in February

As the second month of the year unfolds, Ephraim continues to see winter weather with slightly increasing temperature than in January. With the slight rise in temperature, the snowfall also decreases, although some snow showers persist. Weather in February »

Weather in March

Weather in Ephraim takes a dramatic turn in March. The town begins to shed the winter chill and enters into spring with higher temperatures than February and a significant drop in snowfall. With the arrival of the spring season, rainfall inches increases greatly at 1.89" (48mm). Weather in March »

Weather in April

April in Ephraim is marked by the full advent of spring. The weather continues to warm up a notch higher than March, beckoning the arrival of milder spring climate. The rainfalls significantly increase with this season shift, spiking at 2.56" (65mm). Weather in April »

Weather in May

May brings about marked changes in the weather pattern of Ephraim.The warmth of spring further escalates, turning the days warmer and nights milder. The rain continues to pour down in greater force with rainfall reaching up to 2.8" (71mm). Weather in May »

Weather in June

June sets in motion the summer season in Ephraim. This enjoyable time is a shift away from the cool climate of May, ushering in longer daylight hours accompanied by increasing temperatures. While showers continue during this month, the rainfall witnesses a minor decrease to 2.68" (68mm). Weather in June »

Weather in July

July showcases the peak of Ephraim’s summer. Being the heart of the summer season, the temperatures heat up to record the warmest month. Interestingly, this hike in temperature does not significantly heighten rainfall which remains fairly stable at 2.87" (73mm). Weather in July »

Weather in August

As the calendar turns to August, Ephraim experiences continued summer heat. Despite the heat, August does show a minor dip in maximum temperature compared to July. The rainfall also decreases to 2.24" (57mm), which is a slight drop from July's rainfall. Weather in August »

Weather in September

September marks the autumn season in Ephraim thus, the weather starts to cool from the soaring summer temperatures. Though a gradual decrease in temperature is noted, it remains warm enough to enjoy outdoor activities. Rainfall holds steady at 2.24" (57mm), mirroring the rainfall in August. Weather in September »

Weather in October

With October underway, Ephraim fully engages with the fall season, coupled with cooler conditions. The decline in the temperature that began in September continues well into this month. The rainfall is at its peak for the year, amounting to a considerable 3.07" (78mm). Weather in October »

Weather in November

November characterizes a significant drop in temperature from October, with Ephraim preparing for the winter. The marked decrease in temperature could be felt significantly with a potential snowfall making a comeback. In spite of being well into the fall season, rainfall sees a significant decrease, measuring 1.73" (44mm). Weather in November »

Weather in December

December welcomes the winter season in Ephraim, with temperatures continuing their downward trend from November. With the chill setting in, the first real snowfall of the season occurs, measuring up to 2.99" (76mm). The daylight hours are noticeably shorter, while the sea temperatures mark their lowest levels. Weather in December »
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Ephraim?

With an average high-temperature of 25.2°F (-3.8°C) and an average low-temperature of 18.1°F (-7.7°C), January is the coldest month.

What are the most humid months in Ephraim?

January and June, with an average relative humidity of 84%, are most humid months.

What is the driest month in Ephraim?

January and February are months with the least rain when the rain falls for 5.6 days and typically aggregates up to 1.38" (35mm) of rain.

How many days does it rain in Ephraim?

In Ephraim, Wisconsin, during the entire year, the rain falls for 141.7 days and collects up to 26.93" (684mm) of precipitation.

When does it snow in Ephraim?

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

How many days does it snow in Ephraim?

In Ephraim, during the entire year, snow falls for 62.3 days and aggregates up to 15.83" (402mm) of snow.

What is the month with the least sunshine in Ephraim?

With an average of 3.1h of sunshine, January has the least sunshine of the year in Ephraim, Wisconsin.

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

The months with the lowest UV index are January, March and December, with an average maximum UV index of 1.

When does it snow the most in Ephraim?

The month with the most snowfall in Ephraim is February, when snow falls for 13.6 days and typically aggregates up to 4.49" (114mm) of snow.

What are the months with the coldest ocean in Ephraim?

March and April, with an average ocean temperature of 35.6°F (2°C), are months with the coldest seawater in Ephraim, Wisconsin.

When is Daylight Saving Time (DST) in Ephraim?

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

When it does not snow in Ephraim?

In Ephraim, Wisconsin, snow does not fall in June through September.

When are the longest days in Ephraim?

The month with the longest days in Ephraim, Wisconsin, is June, with an average of 15h and 36min of daylight.

What month has the most sunshine in Ephraim?

July has the most sunshine of the year, with an average of 10.6h of sunshine.

When is the highest UV index in Ephraim?

July and August, with an average maximum UV index of 5, are months with the highest UV index in Ephraim.

What part of the year is the hottest in Ephraim?

Ephraim reaches its average highest temperatures in August, measuring 69.6°F (20.9°C) at the peak and 63°F (17.2°C) at the lowest.

When is the ocean warmest in Ephraim?

August is the month with the warmest seawater, with an average ocean temperature of 64.4°F (18°C).

What is the rainiest month in Ephraim?

October is the month with the most rainfall. Rain falls for 15.2 days and accumulates 3.07" (78mm) of precipitation.

What is the least humid month in Ephraim?

The least humid month in Ephraim, Wisconsin, is November, with an average relative humidity of 76%.

What is the month with the shortest days in Ephraim?

With an average of 8h and 48min of daylight, December has the shortest days of the year in Ephraim, Wisconsin.

Average temperature
Ephraim, WI

Average temperature - Ephraim, WI

The warmest month (with the highest average high temperature) is August (69.6°F).
The month with the lowest average high temperature is January (25.2°F).

The month with the highest average low temperature is August (63°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).

Average pressure
Ephraim, WI

Average pressure - Ephraim, WI

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
Ephraim, WI

Average wind speed - Ephraim, WI

The windiest month (with the highest average wind speed) is December (15.5mph).
The calmest months (with the lowest average wind speed) are June and July (9.6mph).

Average humidity
Ephraim, WI

Average humidity - Ephraim, WI

The months with the highest relative humidity are January and June (84%).
The month with the lowest relative humidity is November (76%).

Average rainfall
Ephraim, WI

Average rainfall - Ephraim, WI

The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are January and February (1.38").

Average rainfall days
Ephraim, WI

Average rainfall days - Ephraim, WI

The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is February (4.8 days).

Average snowfall
Ephraim, WI

Average snowfall - Ephraim, WI

The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Ephraim, WI

Average snowfall days - Ephraim, WI

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature
Ephraim, WI

Average sea temperature - Ephraim, WI

The best month for swimming (with the highest average sea temperature) is August (64°F).
The coldest months (with the lowest average sea temperature) are March and April (36°F).

Average daylight / Average sunshine
Ephraim, WI

Average daylight / Average sunshine - Ephraim, WI

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).

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days
Ephraim, WI

Average sunshine days - Ephraim, WI

The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is January (8.3 days).

Average UV index
Ephraim, WI

Average UV index - Ephraim, WI

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).

Average visibility
Ephraim, WI

Average visibility - Ephraim, WI

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

Ephraim, Wisconsin, USA

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