Lansing, MI weather in August
Lansing is warm in August, with frequent rain: highs average 81°F and nights drop to about 60°F. There are about 10 days with rain. This is the peak of the warm season in Lansing. A good month for most outdoor plans.
- Normal high
- 81°F
- Normal low
- 60°F
- Wet days
- 10
- 3.5 in total
- Muggy days
- 8
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 82°F | 79°F |
| Normal low | 61°F | 57°F |
| Chance of a wet day | 32% | 32% |
| Sunrise / sunset | 6:29 am / 8:59 pm | 7:02 am / 8:15 pm |
| Daylight | 14.5 h | 13.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical August day
- 6 am61°Fdew point 58°F
- 9 am70°Fdew point 61°F
- Noon76°Fdew point 60°F
- 3 pm78°Fdew point 60°F
- 6 pm76°Fdew point 60°F
- 9 pm68°Fdew point 61°F
NOAA hourly normals (local standard time) from Lansing Capital City Airport (4 mi away); average wind 7 mph; clear or few clouds in 34% of daytime hours, mostly cloudy or overcast in 48%.
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 more8 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 3.5 in; a dry August brings about 2.4 in and a wet one about 4.5 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202016: average high 85°F
- Coolest August1997: average high 74°F
- Wettest August2015: 6.8 in
- Driest August2010: 0.4 in
- Highest reading97°F (August 21, 2003)
- Lowest reading40°F (August 20, 1992)
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
| July | August | September | |
|---|---|---|---|
| Normal high | 83°F | 81°F | 74°F |
| Normal low | 61°F | 60°F | 52°F |
| Wet days | 9 | 10 | 10 |
| Comfortable days | 8 | 10 | 16 |
| Daylight | 15.0 h | 13.9 h | 12.5 h |
Highs change by -2°F from July and -7°F into September.
Nearby alternatives in August
- Warmer: Dayton, OH206 mi · high 86°F · 8 wet days
- Drier: Carmel, IN207 mi · high 82°F · 7 wet days
- Cooler: Sister Bay, WI212 mi · high 75°F · 9 wet days
How Lansing ranks in August
- Normal high300th warmest of 378 cities; 6th of 8 in Michigan
- Wet days264th driest of 378
- Comfortable days63rd most of 341
What to pack for Lansing in August
- A rain jacket or umbrella – rain on about 10 days
Heating and cooling
August has 21 heating degree days and 177 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Lansing in August?
The normal high is 81°F and the normal low is 60°F. From 1991 to 2020 the hottest August reading was 97°F (most recently on August 21, 2003).
Does it rain a lot in Lansing in August?
About 10 days in August have at least 0.01 in of precipitation, and the normal total is 3.5 in. The wettest August in 1991-2020 was in 2015 (6.8 in); the driest was in 2010 (0.4 in).
Is August a good time to visit Lansing?
August ranks 4th of 12 months on our comfort score for Lansing (64 out of 100). It has about 10 comfortable days and about 2 days at 90°F or hotter. The best months are May, June and September.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Lansing Capital City Airport (USW00014836), 3.5 mi NNW of the city center, 841 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Capital City Airport (725390-14836), 3.8 mi NW of the city center, 857 ft . Hourly observations, 1991-2020.