Henryville, Indiana Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Henryville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——84°57°—
- FridayJun 5Overcast——85°62°+1°
- SaturdayJun 6Light Drizzle10%—80°66°-5°
- SundayJun 7Showers34%0.01″79°68°-1°
- MondayJun 8Showers39%0.08″71°69°-8°
- TuesdayJun 9Drizzle33%—77°67°+6°
- WednesdayJun 10Drizzle23%0.02″82°68°+5°
Ozone at AQI 80 now. AQI up 16 in the last 6 hours — air quality is degrading. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 94 by mid-afternoon.
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 80 now. With UV 8.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 94 by mid-afternoon.
- Present
- AQI 80
- UV peak
- 8.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 94
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
- 4:06 AM
- Moonset
- 1:49 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Henryville at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 7 (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 — Henryville
SPC has placed Henryville in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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 | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Henryville's warmest month is July (~76°F mean) and its coldest is January (~33°F). Rainfall peaks in May (5.2 inches) and bottoms out in October (3.0 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 33° | 3.5″ | 6 |
| February | 36° | 3.2″ | 6 |
| March | 45° | 4.8″ | 8 |
| April | 56° | 4.8″ | 8 |
| May | 65° | 5.2″ | 9 |
| June | 73° | 4.3″ | 7 |
| July | 76° | 3.7″ | 6 |
| August | 75° | 3.7″ | 5 |
| September | 68° | 3.1″ | 5 |
| October | 57° | 3.0″ | 5 |
| November | 45° | 3.6″ | 6 |
| December | 36° | 4.0″ | 6 |
Regional context
Henryville's baseline climate, derived from NOAA NCEI 1991-2020 normals at the nearest reporting station, swings from a January mean of 33°F to a July mean of 76°F — a 43°F seasonal arc typical of the mid-latitude bands. Annual precipitation runs about 46.9 inches spread across roughly 75 days with measurable rain or snow each year.
Rainfall stays relatively even across the calendar: May tops out at 5.2 inches across 9.1 days with measurable rain, and October settles around 3.0 inches across 4.6 rainy days — a comparatively narrow seasonal range. The temperate, evenly-distributed pattern groups Henryville with places like Memphis, IN, Underwood, IN and Otisco, IN, where seasonal storm tracks deliver moisture more uniformly than the continental interior.
The frost-sensitive growing window opens around mid-April, when overnight lows reliably clear freezing for cool-season crops like peas, lettuce, spinach, and radishes. Warm-season transplants — tomatoes, peppers, and basil — typically wait two weeks past that date to avoid late spring cold snaps. The window closes around mid-November, when overnight lows resume dipping below freezing and frost-tender plants need protection or harvest. These are 30-year central tendencies; year-to-year frost dates can move by up to two weeks. Local features matter: a south-facing slope inside Henryville typically runs 3-5 days ahead of the regional last-frost date, while a low-lying lot along a creek or drainage can lag the same date by a week or more on calm clear nights.
Similar climates: Memphis, IN, Underwood, IN, Otisco, IN, Charlestown, IN, Sellersburg, IN.
Frequently asked
- When does it freeze in Henryville?
- Henryville's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Henryville?
- May is the wettest month with about 5.2 inches of rain on average; the city receives roughly 47 inches annually.
- What is the warmest month in Henryville?
- July is typically warmest, averaging about 76°F.
- What is the coldest month in Henryville?
- January is typically coldest, averaging about 33°F.
- When can I start a vegetable garden in Henryville?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Henryville get?
- Henryville averages about 75 rainy days per year.
- What hardiness zone is Henryville?
- Henryville'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
Henryville, Indiana sits in a humid subtropical climate zone. January means hover near 33°F while July averages 76°F — a 43°F seasonal swing.
Across the year, Henryville receives about 47 inches of precipitation spread over roughly 75 rainy days.
The rhythm of the year is set by latitude (38.5°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.