What to Wear Hiking in 40-Degree Weather

Treat 40°F as a wind-and-water problem

1. Account for wind and precipitation
2. Start slightly cool
3. Carry dry insulation
4. Protect hands during stops

Is 40 degrees too cold for hiking?

Not for a prepared hiker on an appropriate route, but wind, rain, remoteness, and personal cold tolerance can change the decision.

Do you need a jacket for hiking at 40°F?

Usually carry wind or rain protection and adjustable insulation; whether both are worn while moving depends on pace and exposure.

Are leggings warm enough for a 40-degree hike?

They may work in dry calm conditions, but wind, precipitation, brush, and stop time can justify a more protective bottom layer.

What gloves work around 40°F?

Choose light gloves that handle the expected wind and moisture, with warmer or dry backup protection on exposed or remote routes.

What changes when 40°F rain is forecast?

Prioritize reliable rain protection, dry reserve insulation, and a shorter escape margin because wet clothing increases cooling risk.

Put the advice into practice

Use a one-hour loop in comparable 40°F conditions with an uphill segment and a ten-minute exposed stop. Note sweat at the back, chilled hands, and how quickly the shell can be added.

Limits and cautions

Rain and wind near 40°F can create far more serious cooling than a calm dry forecast suggests. Pack for the hourly low and exposure, not the rounded trailhead number.