← Sundry Home

How Long Does Laundry Take to Dry? By Fabric, Spot and Season

A t-shirt dries in a couple of hours while jeans stay damp all day — and the reason is simple. Drying time is set by how much water the fabric holds and how well the surrounding air carries it away (sun, airflow, humidity). Here's a reference table for four fabric types across five drying spots, plus how to adjust for the season.

Drying time reference table

Rough ranges for a clear day at 50-60% humidity. Wind and fabric thickness shift these numbers, so treat them as starting points.

FabricOutdoor sunOutdoor shadeIndoorsIndoors + fanDryer
Light (shirts, underwear)1-2 h2-3 h4-6 h2-3 h30-40 min
Everyday (tees, pants)2-3 h3-5 h6-9 h3-5 h40-60 min
Heavy (jeans, hoodies)3-5 h5-8 h10-16 h5-8 h60-90 min
Bedding & blankets4-6 h6-10 h12-24 h8-12 h90-120 min

The three things that decide drying time

First, the amount of water. Even after spinning, thick fabrics hold several times more water than thin ones — the root reason jeans and bedding take so long. An extra spin cycle noticeably cuts drying time in every spot.

Second, airflow. A layer of humid air forms right at the surface of wet clothes, and evaporation only continues if moving air keeps sweeping that layer away. That's why still indoor air and indoors-with-a-fan differ by nearly a factor of two.

Third, temperature and humidity. Warm, dry air absorbs more water. Direct sun also heats the fabric itself, accelerating evaporation — with a free sanitizing bonus.

Seasonal adjustments

The table assumes a clear spring or autumn day. Adjust like this:

  • Summer (clear): 20-30% faster than the table. On humid days, though, indoor drying can actually take longer.
  • Rainy season / wet days: indoors takes 1.5-2x longer. Without a fan or dehumidifier, expect it to run past a full day.
  • Winter: outdoor times stretch 1.5x or more; below freezing, line drying outside is barely worth it. A heated room can beat the balcony.
  • High-pollution or dusty days: it's not about time — skip outdoors entirely and use indoors + fan.

How to check it's actually dry

The outside dries first. Seams, pockets and waistbands — anywhere fabric doubles up — stay wet the longest. Before bringing laundry in, press those spots with the back of your hand and check for any cool dampness. Folding clothes that are almost-dry is where musty smells come from.

You can also stop doing this math in your head. Sundry estimates the drying time from fabric, spot and weather, runs a timer, and notifies you when it's dry. Tell it when something was still damp, and its estimates calibrate to your own balcony over time.

Never forget laundry on the line

Get Sundry on Google Play