Weather in Flint, Michigan
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 10:11 AM
- Moonset
- 1:24 AM
- In sign
- ♉︎ Taurus
Roses open along the stoops
Flint at a glance
- Today vs. normal: NaN°F below the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Cool-season window is open
As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July brings Flint's warmest temperatures (~71°F mean) while January delivers the coldest (~23°F). Rainfall reaches its peak in May (3.7 inches) and drops to its lowest point in February (1.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 23° | 2.1″ | 6 |
| February | 25° | 1.7″ | 4 |
| March | 33° | 1.9″ | 5 |
| April | 46° | 3.4″ | 7 |
| May | 57° | 3.7″ | 7 |
| June | 67° | 3.1″ | 6 |
| July | 71° | 3.4″ | 6 |
| August | 69° | 3.3″ | 6 |
| September | 62° | 2.9″ | 6 |
| October | 50° | 3.0″ | 7 |
| November | 39° | 2.4″ | 6 |
| December | 29° | 2.1″ | 6 |
Regional context
Located within a warm-summer humid continental climate region, Flint shares similar temperature ranges, seasonal patterns, and growing conditions with nearby cities in this climate zone.
Similar climates: Detroit, MI, Grand Rapids, MI, Lansing, MI, Ann Arbor, MI, Kalamazoo, MI.
Naturalist notes
Red-winged blackbirds return to Flint's wetlands in late March, their distinctive calls marking the shift toward spring.
Sugar maples begin leafing out in early May when soil temperatures warm sufficiently after the final winter freeze.
Frequently asked
- When does it freeze in Flint?
- Spring's last frost in Flint typically occurs around mid-May, while the first fall frost arrives around mid-October.
- What is the rainy season in Flint?
- May brings the most rainfall with about 3.7 inches on average; Flint receives roughly 33 inches annually.
- What is the warmest month in Flint?
- July typically brings the warmest weather, averaging about 71°F.
- What is the coldest month in Flint?
- January typically brings the coldest temperatures, averaging about 23°F.
- When can I start a vegetable garden in Flint?
- Cool-season crops (peas, lettuce) can be planted around the last spring frost (mid-May); warm-season crops (tomatoes, peppers) should wait until 1–2 weeks after.
- How many rainy days does Flint get?
- Flint experiences about 71 rainy days per year on average.
- What hardiness zone is Flint?
- Check the USDA's online lookup with the city ZIP for Flint's current hardiness zone designation, which is based on the lowest average winter temperature.
Climate
Flint, Michigan experiences a warm-summer humid continental climate zone. January temperatures hover near 23°F while July averages 71°F — a 48°F seasonal swing.
Throughout the year, Flint receives about 33 inches of precipitation spread over roughly 71 rainy days.
Geography shapes the local weather patterns through latitude (43.0°N), proximity to large water bodies, and elevation. These factors determine what grows here, when frost strikes, and the daily weather patterns.