Climateby Month

Minneapolis, MN weather in August

NOAA 1991-2020 normals and daily records · Minneapolis all year

Expect warm weather with some rain in Minneapolis in August, with highs near 81°F and lows near 63°F. Rain falls on about 10 days. It is one of the warmest months in Minneapolis. Good for outdoor plans.

Normal high
81°F
Normal low
63°F
Wet days
10
4.3 in total
Muggy days
7
dew point 65°F+

How August changes from start to finish

Normal values at the start and end of August
August 1August 31
Normal high83°F78°F
Normal low65°F60°F
Chance of a wet day32%31%
Sunrise / sunset5:58 am / 8:40 pm6:34 am / 7:52 pm
Daylight14.7 h13.3 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).

A typical August day

  1. 6 am64°Fdew point 59°F
  2. 9 am71°Fdew point 60°F
  3. Noon77°Fdew point 59°F
  4. 3 pm79°Fdew point 59°F
  5. 6 pm77°Fdew point 60°F
  6. 9 pm72°Fdew point 60°F

NOAA hourly normals (local standard time) from Minneapolis/St Paul Airport (7 mi away); average wind 8 mph; clear or few clouds in 32% of daytime hours, mostly cloudy or overcast in 42%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F10 of 31
  • Hot dayshigh 90°F or more2 of 31
  • Muggy daysdaily mean dew point 65°F or more7 of 31
  • Wet daysat least 0.01 in of rain or melted snow10 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per August, counted from daily records for each year 1991-2020.

Rain in August

Normal precipitation is 4.3 in; a dry August brings about 2.9 in and a wet one about 6.2 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.

How August varies from year to year

  • Warmest August, 1991-20202010: average high 86°F
  • Coolest August1992: average high 76°F
  • Wettest August2007: 9.3 in
  • Driest August2003: 1.1 in
  • Highest reading99°F (August 6, 2001)
  • Lowest reading44°F (August 21, 2004)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

August compared with July and September

JulyAugustSeptember
Normal high83°F81°F73°F
Normal low65°F63°F54°F
Wet days10109
Comfortable days81015
Daylight15.2 h14.0 h12.5 h

Highs change by -2°F from July and -8°F into September.

Nearby alternatives in August

How Minneapolis ranks in August

  • Normal high297th warmest of 378 cities; 1st of 3 in Minnesota
  • Wet days246th driest of 378
  • Comfortable days67th most of 341

What to pack for Minneapolis in August

  • A rain jacket or umbrella – rain on about 10 days
  • Sunglasses and sunscreen – about 14.0 hours of daylight and highs near 81°F

Heating and cooling

August has 10 heating degree days and 220 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.

Questions

How hot is Minneapolis in August?

The normal high is 81°F and the normal low is 63°F. From 1991 to 2020 the hottest August reading was 99°F (August 6, 2001).

Does it rain a lot in Minneapolis in August?

About 10 days in August have at least 0.01 in of precipitation, and the normal total is 4.3 in. The wettest August in 1991-2020 was in 2007 (9.3 in); the driest was in 2003 (1.1 in).

Is August a good time to visit Minneapolis?

August ranks 4th of 12 months on our comfort score for Minneapolis (64 out of 100). It has about 10 comfortable days and about 2 days at 90°F or hotter. The best months are May and September.

Where the numbers come from

  • Temperature, rain, snow depth, humidity and wind by hour and cloud cover: Minneapolis/St Paul Airport (USW00014922), 6.9 mi SSE of the city center, 872 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall: New Hope (USC00215838), 6.0 mi WNW of the city center, 910 ft (80 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Frost dates: Lower St Anthony Falls (USC00214884), 0.8 mi E of the city center, 754 ft (76 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Minneapolis-St Paul International Airport (726580-14922), 6.8 mi SSE of the city center, 835 ft . Hourly observations, 1991-2020.