Climate averages 1991–2020

Bloomington (Minnesota), United States weather
in August.

A warm, wet month: the 2nd warmest and the 10th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 26.2°C Daytime mean, August

Average low 18.0°C Night-time mean, August

Rainfall 99 mm 10 days with ≥1 mm

Daylight 14 h Sunrise to sunset, per day

August is a warm month in Bloomington (Minnesota), United States: daytime highs average 26.2°C and nights cool to about 18.0°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 99 mm of rain on roughly 10 days, which makes August a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 04 min on an average August day.

The nearest other city in this atlas is Minneapolis (16 km away). In August its highs average 26.2°C, about as warm as Bloomington (Minnesota), United States, with 98 mm of rain.

Among the 498 cities listed in the United States, Bloomington (Minnesota), United States ranks joint 430th of 498 for the warmest August highs and joint 394th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Bloomington (Minnesota), United States is 3.7°C cooler than that mean.

From August to September, average highs fall by 4.3°C to 21.9°C, and monthly rainfall falls from 99 mm to 82 mm.

The annual picture

August in context

30-year average

Average highAverage low°C

Monthly precipitation

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Bloomington (Minnesota), United States climate table

1991–2020

Monthly climate averages for Bloomington (Minnesota), United States, 1991–2020
Month	Average highHigh / low	Average low	Precipitation mm/month	Wet days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	-5.1°C-13.3°C	-13.3°C	26	6.0	9.29 h
February	-2.1°C-11.0°C	-11.0°C	27	5.3	10.410 h
March	5.0°C-4.4°C	-4.4°C	54	7.8	11.912 h
April	12.7°C2.9°C	2.9°C	81	10.9	13.513 h
May	19.6°C10.2°C	10.2°C	113	12.1	14.815 h
June	25.0°C16.2°C	16.2°C	112	12.2	15.516 h
July	27.4°C19.0°C	19.0°C	91	10.2	15.215 h
August, selected	26.2°C18.0°C	18.0°C	99	9.8	14.114 h
September	21.9°C13.8°C	13.8°C	82	9.4	12.613 h
October	13.8°C6.4°C	6.4°C	64	8.5	11.011 h
November	4.9°C-1.6°C	-1.6°C	49	6.8	9.610 h
December	-2.2°C-9.4°C	-9.4°C	36	6.4	8.99 h

Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

August in nearby cities

Distance from Bloomington

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bloomington) is explained once on the Bloomington (Minnesota), United States year overview and on the Sources, method and limits page.