August weather forecast
Monticello, MN

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Weather in August

August, the last month of the summer in Monticello, is another warm month, with an average temperature fluctuating between 78.3°F (25.7°C) and 59.4°F (15.2°C).

Temperature

The advent of August signifies a minor shift to an average high-temperature of a still moderately hot 78.3°F (25.7°C), aligning closely with July. Nighttime temperature lowers to an average of 59.4°F (15.2°C) in August.

Humidity

The average relative humidity in August in Monticello is 76%.

Rainfall

In Monticello, Minnesota, during August, the rain falls for 14.3 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Monticello, during the entire year, the rain falls for 119.9 days and collects up to 20.51" (521mm) of precipitation.

Snowfall

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

Daylight

In Monticello, the average length of the day in August is 14h and 2min.
On the first day of August in Monticello, sunrise is at 6:00 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:53 pm CDT.

Sunshine

The average sunshine in August is 9.7h.

UV index

The average daily maximum UV index in August in Monticello is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during August leads to these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What are August temperatures in Monticello?

In August, the average high-temperature and low-temperature are 78.3°F (25.7°C) and 59.4°F (15.2°C) respectively.

What is the average humidity in August in Monticello?

In Monticello, Minnesota, the average relative humidity in August is 76%.

How much does it rain in Monticello in August?

In August, the rain falls for 14.3 days. Throughout August, 2.2" (56mm) of precipitation is accumulated.

When it does not snow in Monticello?

June through September are months without snowfall.

What is the average length of the day in August in Monticello?

In August, the average day length in Monticello, Minnesota, is 14h and 2min.

What time are sunrise and sunset in August in Monticello?

On the first day of August in Monticello, Minnesota, sunrise is at 6:00 am and sunset at 8:42 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 7:53 pm CDT.

How long on average sun shines in August in Monticello?

In Monticello, Minnesota, the average sunshine duration in August is 9.7h.

How high is the UV index in August in Monticello?

In Monticello, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents 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
Monticello, MN

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

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (19.2°F).

  • Average low temperature in August: 59.4°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (6.6°F).

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Average pressure in August
Monticello, MN

Average pressure in August - Monticello, 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 (29.87"Hg).

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Average wind speed in August
Monticello, MN

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

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).

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Average humidity in August
Monticello, MN

Average humidity in August - Monticello, MN
  • Average humidity in August: 76%

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

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Average rainfall in August
Monticello, MN

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

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in August
Monticello, MN

Average rainfall days in August - Monticello, MN
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is June (16.6 days).
The month with the least rainy days is January (2.4 days).

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Average snowfall in August
Monticello, MN

Average snowfall in August - Monticello, 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").

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Average snowfall days in August
Monticello, MN

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

The month with the highest number of snowfall days is January (13.4 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
Monticello, MN

Average daylight in August / Average sunshine in August - Monticello, 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in August
Monticello, MN

Average sunshine days in August - Monticello, MN
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is June (10.6 days).

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Average UV index in August
Monticello, MN

Average UV index in August - Monticello, 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
Monticello, MN

Average cloud cover in August - Monticello, MN
  • Average cloud cover in August: 31

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 31).

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Average visibility in August
Monticello, MN

Average visibility in August - Monticello, 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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Monticello, Minnesota, USA

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