Climate and monthly weather forecast
Watertown, WI

Weather in January

January, the same as December, in Watertown, Wisconsin, is another subzero cold winter month, with an average temperature ranging between min 11.7°F (-11.3°C) and max 23.7°F (-4.6°C). The coldest month is January, with an average high-temperature of 23.7°F (-4.6°C) and an average low-temperature of 11.7°F (-11.3°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Watertown, Wisconsin, with temperature in the range of an average high of 27.3°F (-2.6°C) and an average low of 14.4°F (-9.8°C). In February, the average high-temperature is practically the same as in January - a still freezing cold 27.3°F (-2.6°C). Weather in February »

Weather in March

March, the first month of the spring in Watertown, is a wintry month, with an average temperature fluctuating between 27°F (-2.8°C) and 41.4°F (5.2°C). In Watertown, the average high-temperature in March increases from a freezing cold 27.3°F (-2.6°C) in February to a wintry 41.4°F (5.2°C). Weather in March »

Weather in April

April in Watertown, Wisconsin, is a fresh spring month, with an average temperature ranging between min 36.9°F (2.7°C) and max 53.2°F (11.8°C). In Watertown, the average high-temperature in April rises from a cold 41.4°F (5.2°C) in March to a fresh 53.2°F (11.8°C). Weather in April »

Weather in May

May, the last month of the spring in Watertown, is an enjoyable month, with an average temperature varying between 65.8°F (18.8°C) and 47.8°F (8.8°C). In Watertown, Wisconsin, the average high-temperature in May increases from a fresh 53.2°F (11.8°C) in April to a comfortable 65.8°F (18.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Watertown, Wisconsin, with an average temperature varying between 74.3°F (23.5°C) and 57°F (13.9°C). In June, the average high-temperature marginally rises from a comfortable 65.8°F (18.8°C) in May to a moderately hot 74.3°F (23.5°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Watertown, Wisconsin, with an average temperature fluctuating between 78.6°F (25.9°C) and 61.3°F (16.3°C). The warmest month is July, with an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 61.3°F (16.3°C). Weather in July »

Weather in August

August, the last month of the summer in Watertown, is also a moderately hot month, with an average temperature fluctuating between 59.7°F (15.4°C) and 77.5°F (25.3°C). In Watertown, the average high-temperature in August is essentially the same as in July - a still warm 77.5°F (25.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Watertown, Wisconsin, with an average temperature varying between 70.9°F (21.6°C) and 52°F (11.1°C). In Watertown, the average high-temperature in September slightly decreases from a warm 77.5°F (25.3°C) in August to an agreeable 70.9°F (21.6°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Watertown, Wisconsin, with an average temperature varying between 41.7°F (5.4°C) and 57.6°F (14.2°C). In Watertown, the average high-temperature in October drops from a pleasant 70.9°F (21.6°C) in September to a mild 57.6°F (14.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Watertown, is another cold month, with an average temperature varying between 42.6°F (5.9°C) and 30°F (-1.1°C). In Watertown, Wisconsin, the average high-temperature in November plummets from a mild 57.6°F (14.2°C) in October to a cold 42.6°F (5.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Watertown, Wisconsin, with an average temperature fluctuating between 30.2°F (-1°C) and 19.9°F (-6.7°C). In Watertown, the average high-temperature in December drops from a wintry 42.6°F (5.9°C) in November to a freezing cold 30.2°F (-1°C). Weather in December »
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FAQ

What is the coldest month in Watertown?

With an average high-temperature of 23.7°F (-4.6°C) and an average low-temperature of 11.7°F (-11.3°C), January is the coldest month.

What is the most humid month in Watertown?

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

How many days does it rain in Watertown?

In Watertown, Wisconsin, during the entire year, the rain falls for 113.9 days and collects up to 11.57" (294mm) of precipitation.

When does it snow in Watertown?

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

What is the snowiest month in Watertown?

The month with the most snowfall is January, when snow falls for 12.1 days and typically aggregates up to 1.61" (41mm) of snow.

How many days does it snow in Watertown?

Throughout the year, in Watertown, Wisconsin, there are 45 snowfall days, and 5.51" (140mm) of snow is accumulated.

What is the month with the least sunshine in Watertown?

With an average of 3.4h of sunshine, January has the least sunshine of the year in Watertown.

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

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

What is the driest month in Watertown?

February and December are months with the least rain in Watertown when the rain falls for 3 days and typically aggregates up to 0.47" (12mm) of rain.

When is Daylight Saving Time (DST) in Watertown?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

What is the least humid month in Watertown?

April is the least humid month in Watertown, Wisconsin, with an average relative humidity of 76%.

What are the months with the highest UV index in Watertown?

May through August, with an average maximum UV index of 5, are months with the highest UV index.

When it does not snow in Watertown?

June through September are months without snowfall.

When are the longest days in Watertown?

June has the longest days of the year in Watertown, with an average of 15h and 20min of daylight.

What is the warmest month in Watertown?

With an average high-temperature of 78.6°F (25.9°C) and an average low-temperature of 61.3°F (16.3°C), July is the warmest month.

What is the rainiest month in Watertown?

July is the month with the most rainfall in Watertown, Wisconsin. Rain falls for 13.8 days and accumulates 1.54" (39mm) of precipitation.

What month has the most sunshine in Watertown?

The month with the most sunshine in Watertown, Wisconsin, is July, with an average of 9.9h of sunshine.

What is the month with the shortest days in Watertown?

The month with the shortest days in Watertown is December, with an average of 9h and 3min of daylight.

Average temperature
Watertown, WI

Average temperature - Watertown, WI

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.7°F).

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).

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Average pressure
Watertown, WI

Average pressure - Watertown, WI

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed
Watertown, WI

Average wind speed - Watertown, WI

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average rainfall
Watertown, WI

Average rainfall - Watertown, WI

The wettest month (with the highest rainfall) is July (1.54").
The driest months (with the least rainfall) are February and December (0.47").

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Average rainfall days
Watertown, WI

Average rainfall days - Watertown, WI

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is February (3 days).

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Average snowfall
Watertown, WI

Average snowfall - Watertown, WI

The month with the highest snowfall is January (1.61").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days
Watertown, WI

Average snowfall days - Watertown, WI

The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Watertown, WI

Average daylight / Average sunshine - Watertown, WI

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 3min).

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days
Watertown, WI

Average sunshine days - Watertown, WI

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (12.4 days).

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Average UV index
Watertown, WI

Average UV index - Watertown, WI

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

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Average visibility
Watertown, WI

Average visibility - Watertown, WI

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

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