Driveway Sealing Weather in Evansville, IN: 10-Day Windows & Best Months
In Evansville, the label math works from May through October: that's the stretch with 8+ workable days a month against typical driveway sealing rules. August leads the calendar with 24 workable days: average high 89°F, low 70°F, rain on 22% of days. The strip above runs Evansville's live forecast; the table below ranks all 12 months.
GOOD — clears every rule MARGINAL — exactly one soft miss NO — a hard fail, or two soft
The rules this check uses
This table is the whole Evansville check: pail-consensus thresholds, the rising-trend requirement, and a 36-hour cure standing in for the labels' 24–48 spread.
| Check | Threshold | Why it matters |
|---|---|---|
| Air temperature | 55–90°F, and rising | Checked across the working day, 8 a.m.–6 p.m., against Evansville's hourly forecast — not just the daily high. |
| Overnight low | ≥50°F during the first 24 h | The engine reads every overnight hour in the cure window, not just Evansville's forecast low. |
| Dry before | ≤0.05" rain in the prior 24 h | Asphalt must be fully dry; sealer will not bond to damp pavement. |
| Dry after | <0.05" rain for 36 h after (48 h cool or shaded driveways want 48 h) | Most sealers list 24–48 dry hours; this site checks 36. |
| Evening dew-point spread | ≥5°F from 6–11 pm | Scored on the worst hour between 6 and 11 p.m., when surfaces cool past the air. |
| Daytime humidity | ≤85% | Water-based sealer dries by evaporation; humid air stalls it. |
| Wind | ≤20 mph (dust and debris in wet sealer up to 28 mph) | Wind wrecks application first (drift, lap marks) and carries debris into wet work second. |
Always follow your product label — formulas vary. These rows are the industry-typical range; the can in your Evansville garage is the contract.
Best months for driveway sealing in Evansville
| Month | Avg high | Avg low | Rain odds/day | Workable days | |
|---|---|---|---|---|---|
| January | 42°F | 27°F | 29% | 0 | |
| February | 48°F | 31°F | 31% | 0 | |
| March | 58°F | 39°F | 34% | 0 | |
| April | 70°F | 49°F | 38% | 8 | |
| May | 78°F | 58°F | 37% | 20 | |
| June | 86°F | 67°F | 30% | 21 | |
| July | 89°F | 71°F | 26% | 23 | |
| August | 89°F | 70°F | 22% | 24 | |
| September | 84°F | 62°F | 22% | 23 | |
| October | 72°F | 51°F | 25% | 14 | |
| November | 58°F | 40°F | 29% | 0 | |
| December | 47°F | 33°F | 29% | 0 |
The working season runs May through October — about 132 workable days a year. The edges are night-limited: label rules want overnight lows of 50°F+, and Evansville's nights only average that from May to October. For the statewide picture, the Indiana page compares peak months city by city.
The other driveway job reads differently: pouring concrete in Evansville cares about two safe nights, not rising afternoons.
Numbers above come from NOAA's 1991–2020 normals for Evansville Museum, In Us, 4.3 km from the city center — close enough that neighborhood microclimates (shade lines, river valleys, urban heat) matter more than station distance. See how these day counts are scored.
Evansville by the numbers
- July is Evansville's heat peak: 89°F typical high, 0 days over 90°F.
- Coldest month: January — 42°F highs over 27°F nights.
- Wet-to-dry spread: 38% rain days in April versus 22% in September.
- Overnight lows clear 50°F from May to October in a normal year.
- Add it up and Evansville banks 132 workable days a year for driveway sealing.
Prep checklist
- The strip above is hunting one shape: 55°F rising, a 50°F+ night, 36 dry hours. Evansville produces it 24 days in a typical August.
- Run crack filler the previous afternoon — filler needs its own skin time before topcoating.
- Sweep to bare asphalt and kill the oil spots first — emulsion won't bond through either.
- Confirm the lookback: under 0.05" of rain in the prior 24 h — after a April shower (38% of days), cracks hold water longest.
- Tape the garage slab and sidewalk lines with edging tape — drips on concrete are forever.
- Pull thin passes with a squeegee/brush combo, back-brushing the texture as you go.
- Morning start at the garage end, working toward the street — Evansville's August gives the coat 89°F daylight before the evening spread tightens.
- Keep tires off through the full cure — with August nights at 70°F, shaded strips need the long end of 24–48 h.
Gear that saves a window
FTC note: the gear below is unlinked until the affiliate program is switched on. See the affiliate disclosure.
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Squeegee/brush combo
Pull with the squeegee, back-brush the texture.
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Driveway sealer, 5-gal
Coverage runs 250–400 sq ft per pail — measure first.
-
Crack filler
Fill cracks a day ahead so filler cures before sealer.
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Edging tape
Keeps the garage slab and sidewalk edges black-free.
FAQ
What temperature do you need to seal a driveway?
The pail wants 55°F+ air, a 50°F+ first night, and temperatures trending up through the cure. Evansville clears all three reliably from May through October; outside that, January's 27°F average nights end the argument.
How long after rain can I sealcoat?
Give it a full dry day: the engine fails any start within 24 hours of measurable rain. Filled cracks dry last. Evansville's rain-day odds run 22–38% across the year, so the same rule costs different months very differently.
How long does driveway sealer take to dry before rain or cars?
Labels say 24–48 hours; this site checks 36 as the honest middle. Foot traffic sooner, tires last. Evansville's cure risk is mostly rain timing — in April, odds of a wet day inside a 36-hour window run high enough that the strip above is the only sane scheduler.
Can you seal a driveway in the fall?
In Evansville, early fall works while nights hold: the season's last reliable month is October (average low 51°F against the 50°F first-night rule). After that, warm afternoons sit on cold slabs and the cure stalls.
How often should a driveway be sealed?
Every 2–4 years, or when water stops beading and the surface grays. More often builds a peeling film; less often lets water work the cracks through Evansville's 31 sub-40°F January nights. New asphalt cures 6–12 months before its first coat — and crack filler goes in a day ahead.
Best month to seal a driveway in IN?
August tops Evansville's table at 24 days clearing the 55–90°F-rising, 50°F-night, 36-dry-hour stack; August and September together carry the season. Check the IN state page for how the ranking shifts across the state.
Related
Other projects in Evansville
- Deck Staining in Evansville
- Exterior Painting in Evansville
- Concrete Pouring in Evansville
- Roof Coating in Evansville
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- All outdoor project weather in Evansville
Driveway Sealing nearby
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- Louisville, KY
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- Indianapolis, IN
Guides
Climatology: NOAA 1991–2020 normals via EVANSVILLE MUSEUM, IN US (4.3 km from Evansville center, elevation 374 ft); live outlook by Open-Meteo.