Watertown
Wisconsin, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Watertown, WI

January, like December, is another subzero cold winter month in Watertown, Wisconsin, with temperature in the range of an average high of 23.7°F (-4.6°C) and an average low of 11.7°F (-11.3°C). 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. Weather in January »

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

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

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

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

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

July, like June, in Watertown, Wisconsin, is a moderately hot summer month, with 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 »

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

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

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

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

December, the first month of the winter, in Watertown, is also a subzero cold month, with temperature in the range of an average low of 19.9°F (-6.7°C) and an average high of 30.2°F (-1°C). In Watertown, the average high-temperature drops, from a cold 42.6°F (5.9°C) in November, to a subzero cold 30.2°F (-1°C). Weather in December »

What is the coldest month in Watertown?

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

What is the most humid month in Watertown?

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

How many days does it rain in Watertown?

Throughout the year, in Watertown, Wisconsin, there are 113.9 rainfall days, and 11.57" (294mm) of precipitation is accumulated.

When does it snow in Watertown?

Months with snowfall in Watertown, Wisconsin, are January through May, October through December.

How much does it snow in Watertown?

In Watertown, Wisconsin, during the entire year, snow falls for 45 days, and aggregates up to 5.51" (140mm) of snow.

When does it snow the most in Watertown?

January is the month with the most snowfall in Watertown, Wisconsin. Snow falls for 12.1 days and accumulates 1.61" (41mm) of snow.

What is the month with the least sunshine in Watertown?

The month with the least sunshine in Watertown, Wisconsin, is January, with an average of 3.4h of sunshine.

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 in Watertown, Wisconsin.

What is the driest month in Watertown?

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

What is the least humid month in Watertown?

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

What is the month with the highest UV index in Watertown?

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

When it does not snow in Watertown?

June through September are months without snowfall in Watertown.

When are the longest days in Watertown?

June has the longest days of the year, with an average of 15.3h of daylight.

What is the warmest month in Watertown?

The warmest month in Watertown 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).

What is the wettest month in Watertown?

The month with the most rainfall in Watertown is July when the rain falls for 13.8 days and typically aggregates up to 1.54" (39mm) of precipitation.

What month has the most sunshine in Watertown?

With an average of 9.9h of sunshine, July has the most sunshine of the year in Watertown, Wisconsin.

What is the month with the shortest days in Watertown?

The month with the shortest days in Watertown, Wisconsin, is December, with an average of 9h of daylight.
Average temperature - Watertown, WI
Average rainfall - Watertown, WI

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

Average rainfall days - Watertown, WI

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

Average snowfall - Watertown, WI
Average snowfall days - Watertown, WI

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

Average daylight / Average sunshine - Watertown, WI
Average UV index - Watertown, WI