August weather forecast
Plymouth, MN

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Weather in August

The month of August generally maintains the heat of the summer, although there is a slight drop in temperatures from previous months. With average high temperatures around 78.6°F (25.9°C), the weather remains pleasant for outdoor activities. The summer's heat starts giving way to the coming fall season. Although sporadic rains persist through August, it commences the drying period before the fall. Overall, August marks the transition from summer heat to the cool fall weather in Plymouth, Minnesota.

Temperature

The arrival of August brings an average high-temperature of a still moderately hot 78.6°F (25.9°C), nearly identical to July's 81°F (27.2°C). Throughout August, the temperature falls to an average low of 61.2°F (16.2°C).

Humidity

In Plymouth, the average relative humidity in August is 74%.

Rainfall

In August, the rain falls for 13.9 days. Throughout August, 2.2" (56mm) of precipitation is accumulated. In Plymouth, during the entire year, the rain falls for 113.9 days and collects up to 20.24" (514mm) of precipitation.

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 August, sunrise is at 6:00 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:52 pm CDT.

Sunshine

In August, the average sunshine is 9.6h.

UV index

In August, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In August, a daily maximum UV index of 5 leads to the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What are the temperatures in August?

The high-temperature, in August, in Plymouth, records 78.6°F (25.9°C), while the low-temperature is 61.2°F (16.2°C). In July, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 86°F (30°C).

What is the average humidity in August?

In August, the average relative humidity is 74%.

How many days does it rain in August?

In August, the rain falls for 13.9 days. Throughout August, 2.2" (56mm) of precipitation is accumulated.

When it does not snow?

In Plymouth, snow does not fall in June through September.

What is the average length of the day in August?

In Plymouth, the average day length in August is 14h and 1min.

When is the sunrise / sunset in August?

On the first day of August, sunrise is at 6:00 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 6:35 am and sunset at 7:52 pm CDT.

How long on average sun shines in August?

In August, the average sunshine duration is 9.6h.

How high is the UV index in August?

In Plymouth, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Plymouth, MN

Average temperature in August - Plymouth, MN
  • Average high temperature in August: 78.6°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (20.1°F).

  • Average low temperature in August: 61.2°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (7.5°F).

Average pressure in August
Plymouth, MN

Average pressure in August - Plymouth, 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).

Average wind speed in August
Plymouth, MN

Average wind speed in August - Plymouth, MN
  • Average wind speed in August: 6.8mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

Average humidity in August
Plymouth, MN

Average humidity in August - Plymouth, MN
  • Average humidity in August: 74%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and May (70%).

Average rainfall in August
Plymouth, MN

Average rainfall in August - Plymouth, MN
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is January (0.55").

Average rainfall days in August
Plymouth, MN

Average rainfall days in August - Plymouth, MN
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (1.9 days).

Average snowfall in August
Plymouth, MN

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

The month with the highest snowfall is December (4.45").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Plymouth, MN

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

The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Plymouth, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in August
Plymouth, MN

Average sunshine days in August - Plymouth, MN
  • Average sunshine days in August: 14.9 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in August
Plymouth, MN

Average UV index in August - Plymouth, 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).

Average cloud cover in August
Plymouth, MN

Average cloud cover in August - Plymouth, MN
  • Average cloud cover in August: 32

The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in August
Plymouth, MN

Average visibility in August - Plymouth, 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).

Plymouth, Minnesota, USA

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