Ann Arbor, MI weather in April
Ann Arbor is cool in April, with frequent rain: highs average 60°F and nights drop to about 36°F. Expect about 14 wet days. Snowfall averages about 2.6 in.
- Normal high
- 60°F
- Normal low
- 36°F
- Wet days
- 14
- 3.4 in total
- Snowfall
- 2.6 in
- snow on the ground 1 day
How April changes from start to finish
| April 1 | April 30 | |
|---|---|---|
| Normal high | 53°F | 66°F |
| Normal low | 30°F | 41°F |
| Chance of a wet day | 47% | 48% |
| Sunrise / sunset | 7:17 am / 8:00 pm | 6:31 am / 8:32 pm |
| Daylight | 12.7 h | 14.0 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 April day
- 6 am41°Fdew point 34°F
- 9 am48°Fdew point 36°F
- Noon55°Fdew point 36°F
- 3 pm57°Fdew point 36°F
- 6 pm55°Fdew point 35°F
- 9 pm48°Fdew point 35°F
NOAA hourly normals (local standard time) from Detroit Willow Run Airport (10 mi away); average wind 10 mph; clear or few clouds in 49% of daytime hours, mostly cloudy or overcast in 45%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F9 of 30
- Hot dayshigh 90°F or more0 of 30
- Muggy daysdaily mean dew point 65°F or more0 of 30
- Wet daysat least 0.01 in of rain or melted snow14 of 30
- Notable rainat least 0.10 in8 of 30
- Freezing nightslow 32°F or below9 of 30
- Snow on the groundsnow depth 1 in or more1 of 30
Average days per April, counted from daily records for each year 1991-2020.
Rain and snow in April
Normal precipitation is 3.4 in; a dry April brings about 2.6 in and a wet one about 4.2 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 2.6 in, with about 1 day of an inch or more.
How April varies from year to year
- Warmest April, 1991-20202010: average high 67°F
- Coolest April2018: average high 53°F
- Wettest April2013: 6.3 in
- Driest April2004: 0.5 in
- Highest reading85°F (April 24, 2009)
- Lowest reading14°F (April 8, 2018)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
April compared with March and May
| March | April | May | |
|---|---|---|---|
| Normal high | 46°F | 60°F | 71°F |
| Normal low | 25°F | 36°F | 47°F |
| Wet days | 14 | 14 | 15 |
| Comfortable days | 3 | 9 | 17 |
| Daylight | 11.9 h | 13.4 h | 14.6 h |
Highs change by +14°F from March and +11°F into May.
Nearby alternatives in April
- Warmer: Cincinnati, OH223 mi · high 67°F · 13 wet days
- Drier: Warren, MI40 mi · high 58°F · 11 wet days
- Cooler: Traverse City, MI197 mi · high 54°F · 11 wet days
How Ann Arbor ranks in April
- Normal high277th warmest of 378 cities; 1st of 8 in Michigan
- Wet days359th driest of 378
- Comfortable days206th most of 340
What to pack for Ann Arbor in April
- A warm jacket – lows near 36°F, highs near 60°F
- A rain jacket or umbrella – rain or snow on about 14 days
Heating and cooling
April has 526 heating degree days and 4 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How cold is Ann Arbor in April?
The normal high is 60°F and the normal low is 36°F. From 1991 to 2020 the coldest April reading was 14°F (most recently on April 8, 2018).
Does it rain a lot in Ann Arbor in April?
About 14 days in April have at least 0.01 in of precipitation, and the normal total is 3.4 in. The wettest April in 1991-2020 was in 2013 (6.3 in); the driest was in 2004 (0.5 in).
Does it snow in Ann Arbor in April?
Yes. Normal snowfall in April is 2.6 in, and snow covers the ground on about 1 day.
Is April a good time to visit Ann Arbor?
April ranks 5th of 12 months on our comfort score for Ann Arbor (61 out of 100). It has about 9 comfortable days. The best month is May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Ann Arbor U Of Mich (USC00200230), 3.7 mi ENE of the city center, 813 ft (68 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Detroit Willow Run Airport (USW00014853), 10 mi ESE of the city center, 777 ft (104 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Cloud cover: Toledo Express Airport (USW00094830), 47 mi S of the city center, 669 ft (212 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Willow Run Airport (725376-14853), 11 mi ESE of the city center, 708 ft (173 ft lower than the city). Hourly observations, 1991-2020.