Climate and monthly weather forecast
Watertown, TN

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Weather in January

January, the same as December, in Watertown, Tennessee, is another chilly winter month, with an average temperature varying between 43.9°F (6.6°C) and 30°F (-1.1°C). January stands out as Watertown's coldest month, with temperatures ranging between an average high of 43.9°F (6.6°C) and a low of 30°F (-1.1°C). Weather in January »

Weather in February

February, the last month of the winter in Watertown, is also a frosty month, with an average temperature fluctuating between 34.3°F (1.3°C) and 49.5°F (9.7°C). February brings a slight increase in the average high-temperature, progressing from 43.9°F (6.6°C) in January to a still frosty 49.5°F (9.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a moderate month in Watertown, Tennessee, with an average temperature ranging between max 58.1°F (14.5°C) and min 41°F (5°C). With the transition into March, Watertown experiences a subtle uplift in average high-temperatures, adjusting from a chilly 49.5°F (9.7°C) in February to a mild 58.1°F (14.5°C). Weather in March »

Weather in April

April is an agreeable spring month in Watertown, Tennessee, with an average temperature varying between 68.5°F (20.3°C) and 49.6°F (9.8°C). Watertown in April experiences an increase in the average high-temperature, moving from March's moderate 58.1°F (14.5°C) to a pleasant 68.5°F (20.3°C). Weather in April »

Weather in May

May, the last month of the spring in Watertown, is a moderately hot month, with an average temperature ranging between max 77.4°F (25.2°C) and min 58.1°F (14.5°C). May comes with a subtle rise, with the average high-temperature adjusting from an agreeable 68.5°F (20.3°C) in April to a moderately hot 77.4°F (25.2°C). Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Watertown, Tennessee, with an average temperature fluctuating between 65.3°F (18.5°C) and 85.3°F (29.6°C). Watertown's June weather indicates a minor increase in high-temperatures, edging from May's 77.4°F (25.2°C) to a still warm 85.3°F (29.6°C). Weather in June »

Weather in July

July is a tropical summer month in Watertown, Tennessee, with an average temperature varying between 87.4°F (30.8°C) and 68.2°F (20.1°C). July is the warmest month of the year, registering average temperatures as high as 87.4°F (30.8°C) and as low as 68.2°F (20.1°C). The average heat index in July is estimated at a fiery hot 102.2°F (39°C). Weather in July »

Weather in August

August, the last month of the summer in Watertown, is also a hot month, with an average temperature varying between 66.9°F (19.4°C) and 86.4°F (30.2°C). Stepping into August, Watertown records an average high-temperature of a still hot 86.4°F (30.2°C), almost consistent with July. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Watertown, Tennessee, with an average temperature ranging between min 61.5°F (16.4°C) and max 81°F (27.2°C). The transition into September involves a small decrease in the average high-temperature, dipping slightly from a hot 86.4°F (30.2°C) in August to a warm 81°F (27.2°C). Weather in September »

Weather in October

October, the same as September, in Watertown, Tennessee, is an agreeable autumn month, with an average temperature ranging between min 49.6°F (9.8°C) and max 69.1°F (20.6°C). October brings a decrease in the average high-temperature, shifting from a moderately hot 81°F (27.2°C) in September to a pleasant 69.1°F (20.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Watertown, Tennessee, with an average temperature varying between 39.7°F (4.3°C) and 56.7°F (13.7°C). Arrival of November comes with a reduction in the average high-temperature, falling from a pleasant 69.1°F (20.6°C) in October to a refreshing 56.7°F (13.7°C). Weather in November »

Weather in December

December, the first month of the winter in Watertown, is also a frosty month, with temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 35.2°F (1.8°C). The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderate 56.7°F (13.7°C) in November to a frosty 48.9°F (9.4°C). Weather in December »
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

With an average high-temperature of 43.9°F (6.6°C) and an average low-temperature of 30°F (-1.1°C), January is the coldest month.

How many days does it rain?

In Watertown, during the entire year, the rain falls for 182.4 days and collects up to 39.8" (1011mm) of precipitation.

When does it snow?

Months with snowfall are January through April, November and December.

What is the snowiest month in Watertown?

January is the month with the most snowfall. Snow falls for 5.4 days and accumulates 1.02" (26mm) of snow.

How much does it snow in Watertown?

Throughout the year, there are 16.1 snowfall days, and 3.66" (93mm) of snow is accumulated.

What is the month with the lowest UV index?

The months with the lowest UV index in Watertown are January, February and December, with an average maximum UV index of 2.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4.5h of sunshine.

What are the most humid months?

March and December, with an average relative humidity of 79%, are most humid months.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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 Watertown, snow does not fall in May through October.

When is the highest UV index?

The months with the highest UV index are May through August, with an average maximum UV index of 6.

When are the longest days?

June has the longest days of the year, with an average of 14h and 36min of daylight.

What month has the most sunshine?

The month with the most sunshine is June, with an average of 10.5h of sunshine.

What month is the hottest?

The warmest month in Watertown is July, with an average high-temperature of 87.4°F (30.8°C) and an average low-temperature of 68.2°F (20.1°C).

What is the wettest month?

The month with the most rainfall is July, when the rain falls for 19.8 days and typically aggregates up to 4.92" (125mm) of precipitation.

What are the least humid months?

The months with the lowest humidity are October and November, with an average relative humidity of 75%.

What is the driest month?

The month with the least rainfall in Watertown is November, when the rain falls for 11 days and typically collects 2.24" (57mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

Average temperature
Watertown, TN

Average temperature - Watertown, TN

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure
Watertown, TN

Average pressure - Watertown, TN

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed
Watertown, TN

Average wind speed - Watertown, TN

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

Average humidity
Watertown, TN

Average humidity - Watertown, TN

The months with the highest relative humidity are March and December (79%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall
Watertown, TN

Average rainfall - Watertown, TN

The wettest month (with the highest rainfall) is July (4.92").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days
Watertown, TN

Average rainfall days - Watertown, TN

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (11 days).

Average snowfall
Watertown, TN

Average snowfall - Watertown, TN

The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Watertown, TN

Average snowfall days - Watertown, TN

The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Watertown, TN

Average daylight / Average sunshine - Watertown, TN

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days
Watertown, TN

Average sunshine days - Watertown, TN

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (9.2 days).

Average UV index
Watertown, TN

Average UV index - Watertown, TN

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average visibility
Watertown, TN

Average visibility - Watertown, TN

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

Watertown, Tennessee, USA

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