Wrenshall, Minnesota Weather
Prairie lightning bugs rise. Day 77 of spring. Read this microseason across nine climate regions →
Wrenshall weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Heavy Drizzle60%0.07″75°55°—
- FridayJun 5Drizzle58%0.06″77°55°+2°
- SaturdayJun 6Overcast12%—78°47°+1°
- SundayJun 7Overcast——61°45°-17°
- MondayJun 8Showers62%0.03″64°46°+3°
- TuesdayJun 9Light Rain49%0.29″55°50°-9°
- WednesdayJun 10Foggy24%—66°49°+11°
Ozone at AQI 45. AQI down 8 over the last 6 hours (steady decline since this morning). Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 45. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 45
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 5.4 µg/m³, PM10 to 5.8 µg/m³.
- PM2.5/PM10
- 0.93
- Wind
- calm
- Recent rain
- 2h in last 6h
- Pattern
- washed out
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:03 AM
- Moonset
- 1:48 PM
- In sign
- ♑︎ Capricorn
Prairie lightning bugs rise
Wrenshall at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: May 26 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Wrenshall
SPC has placed Wrenshall in the General Thunderstorms category for severe thunderstorms today.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
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
Wrenshall's warmest month is July (~66°F mean) and its coldest is January (~10°F). Rainfall peaks in June (4.8 inches) and bottoms out in February (1.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 10° | 1.0″ | 3 |
| February | 14° | 1.0″ | 3 |
| March | 26° | 1.4″ | 4 |
| April | 39° | 2.4″ | 6 |
| May | 51° | 3.5″ | 8 |
| June | 61° | 4.8″ | 8 |
| July | 66° | 4.3″ | 7 |
| August | 65° | 4.2″ | 7 |
| September | 56° | 3.6″ | 6 |
| October | 43° | 3.3″ | 6 |
| November | 28° | 1.8″ | 4 |
| December | 16° | 1.5″ | 4 |
Regional context
Wrenshall's climate, per the NOAA NCEI 1991-2020 normals from the nearest reporting station, runs cold-winter and warm-summer. January means hover near 10°F while July climbs to 66°F — a 56°F seasonal swing typical of northern-tier latitudes. Annual precipitation totals about 32.7 inches spread across roughly 66 days with measurable rain or snow.
Precipitation runs summer-dominant here: June averages 4.8 inches across 7.9 days with measurable rain, driven mostly by warm-season storms and thunderstorm activity, while February drops to just 1.0 inches across 3.0 rainy days under drier cool-season air. That wet-warm-summer pattern groups Wrenshall with places like Carlton, MN, Esko, MN and Scanlon, MN — a regional cohort where summer thunderstorm season carries more than half the annual moisture.
The frost-sensitive growing window opens around late-May, when overnight lows reliably clear freezing for cool-season crops like kale, peas, spinach, and parsnips. Warm-season transplants — tomatoes, peppers, and basil — typically wait two weeks past that date to avoid late spring cold snaps. The window closes around early-October, when overnight lows resume dipping below freezing and frost-tender plants need protection or harvest. The dates above are 1991-2020 normals; in a given year either bookend can move 1-2 weeks either direction. Within Wrenshall, low-lying parcels along drainage features typically lose 4-7°F of overnight low temperature versus the bench positions on calm clear nights, which shifts the working last-frost date by a week or more.
Similar climates: Carlton, MN, Esko, MN, Scanlon, MN, Cloquet, MN, Proctor, MN.
Frequently asked
- When does it freeze in Wrenshall?
- Wrenshall's last spring frost typically falls around mid-May, and the first fall frost arrives around mid-October.
- What is the rainy season in Wrenshall?
- June is the wettest month with about 4.8 inches of rain on average; the city receives roughly 33 inches annually.
- What is the warmest month in Wrenshall?
- July is typically warmest, averaging about 66°F.
- What is the coldest month in Wrenshall?
- January is typically coldest, averaging about 10°F.
- When can I start a vegetable garden in Wrenshall?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-May); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Wrenshall get?
- Wrenshall averages about 66 rainy days per year.
- What hardiness zone is Wrenshall?
- Wrenshall's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Wrenshall, Minnesota sits in a warm-summer humid continental climate zone. January means hover near 10°F while July averages 66°F — a 56°F seasonal swing.
Across the year, Wrenshall receives about 33 inches of precipitation spread over roughly 66 rainy days.
The rhythm of the year is set by latitude (46.6°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.