August weather forecast
Watertown, MN

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Weather in August

August, the last month of the summer in Watertown, is also a moderately hot month, with temperature in the range of an average low of 59.7°F (15.4°C) and an average high of 78.3°F (25.7°C).

Temperature

The beginning of August records an average high-temperature of a still warm 78.3°F (25.7°C), marking a negligible difference from July's 80.2°F (26.8°C). An average low-temperature of 59.7°F (15.4°C) marks the month of August.

Humidity

The average relative humidity in August in Watertown is 78%.

Rainfall

In Watertown, during August, the rain falls for 14.8 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 123.5 rainfall days, and 22.76" (578mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August is 14h and 1min.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:41 pm. On the last day of August, sunrise is at 6:37 am and sunset at 7:53 pm CDT.

Sunshine

In Watertown, the average sunshine in August is 9.8h.

UV index

The average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
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Frequently asked questions

What is the average August temperature in Watertown?

The high-temperature, in August, in Watertown, is 78.3°F (25.7°C), while the low-temperature averages to 59.7°F (15.4°C).

What is the average humidity in August in Watertown?

The average relative humidity in August is 78%.

How much does it rain in Watertown in August?

In Watertown, Minnesota, in August, during 14.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

When it does not snow in Watertown?

June through September are months without snowfall in Watertown.

How many hours of daylight does Watertown have in August?

The average day length in August in Watertown, Minnesota, is 14h and 1min.

When is the sunrise / sunset in August in Watertown?

In August, on the first day of the month, sunrise is at 6:01 am and sunset at 8:41 pm. On the last day of the month, in Watertown, sunrise is at 6:37 am and sunset at 7:53 pm CDT.

How long on average sun shines in August in Watertown?

The average sunshine duration in August in Watertown, Minnesota, is 9.8h.

What is the UV index reading in August in Watertown?

The average daily maximum UV index in August in Watertown is 5. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Watertown, MN

Average temperature in August - Watertown, MN
  • Average high temperature in August: 78.3°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (20.1°F).

  • Average low temperature in August: 59.7°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (7.2°F).

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Average pressure in August
Watertown, MN

Average pressure in August - Watertown, MN
  • Average pressure in August: 29.94"Hg

The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in August
Watertown, MN

Average wind speed in August - Watertown, MN
  • Average wind speed in August: 6.9mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).

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Average humidity in August
Watertown, MN

Average humidity in August - Watertown, MN
  • Average humidity in August: 78%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in August
Watertown, MN

Average rainfall in August - Watertown, MN
  • Average rainfall in August: 2.44"

The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.63").

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Average rainfall days in August
Watertown, MN

Average rainfall days in August - Watertown, MN
  • Average rainfall days in August: 14.8 days

The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (2.3 days).

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Average snowfall in August
Watertown, MN

Average snowfall in August - Watertown, MN
  • Average snowfall in August: 0"

The month with the highest snowfall is February (4.76").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Watertown, MN

Average snowfall days in August - Watertown, MN
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Watertown, MN

Average daylight in August / Average sunshine in August - Watertown, MN
  • Average daylight in August: 14h and 0min

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).

  • Average sunshine in August: 9h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in August
Watertown, MN

Average sunshine days in August - Watertown, MN
  • Average sunshine days in August: 13.9 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (10.2 days).

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Average UV index in August
Watertown, MN

Average UV index in August - Watertown, MN
  • Average UV index in August: 5

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

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Average cloud cover in August
Watertown, MN

Average cloud cover in August - Watertown, MN
  • Average cloud cover in August: 30

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in August
Watertown, MN

Average visibility in August - Watertown, MN
  • Average visibility in August: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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Watertown, Minnesota, USA

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