Why shipping candles in summer is risky
The problem with shipping candles in summer isn’t the weather report — it’s that a sealed parcel gets far hotter than the air around it. Un-air-conditioned trailers and delivery vehicles, and the porch a package lands on, routinely reach 130–150°F in summer transit. That’s above the melt point of most container waxes, so a candle can slump, lose its surface, or pull away from the jar long before it reaches a temperature the forecast ever mentioned.
The planner compares your wax’s typical melt point to the temperature you expect in transit, and flags weekend dwell — the single most avoidable risk, where a Thursday or Friday shipment sits in a hot facility until Monday.
How to keep candles from melting in transit
- Ship early in the week. Monday to Wednesday avoids the weekend dwell that undoes everything else.
- Cut the days. Expedited service means fewer hours at temperature.
- Insulate and chill. An insulated liner plus a gel pack sized to the transit time buys real margin.
- Hold for pickup. Keeps the parcel off a sun-baked porch at the end.
- Know your wax. Beeswax and gel tolerate more heat than soy; a summer wax swap is a legitimate option.
Questions
At what temperature do candles melt in shipping?
Most container waxes soften and slump in the 110 to 150 degree Fahrenheit range: coconut-soy blends are lowest, then soy, then paraffin, with beeswax highest around 145 to 149. Summer transit routinely reaches 130 to 150 degrees inside trailers and on porches, which is why melting is common.
How do I ship candles in hot weather without melting them?
Ship early in the week to avoid weekend dwell, use expedited service to cut hours in transit, add an insulated liner with a gel pack sized to the transit time, and offer hold-for-pickup so the parcel does not sit on a hot porch. For extreme heat, consider a higher-melt-point wax or pausing shipments.
Why do candles melt even when the forecast is mild?
A sealed parcel traps heat and reaches temperatures well above the outside air. Delivery trucks and porches commonly hit 130 to 150 degrees Fahrenheit in summer even on a day the forecast calls moderate, which is enough to soften soy and paraffin candles.
Should I stop shipping candles in summer?
Not necessarily, but for the hottest weeks and the hottest lanes it can be the safest choice, especially for low-melt soy candles. The planner helps you decide by comparing your wax to the expected temperature; many sellers keep shipping with insulation, expedited service, and early-week dispatch instead.
Do gel packs actually help ship candles?
Yes, a frozen gel pack inside an insulated liner absorbs heat and slows the temperature rise, buying margin over a multi-day transit. Size the gel pack to the number of days in transit; one small pack will not protect a candle for three hot days.
Need the shipper and inserts?
PackOS helps you spec right-sized corrugated shippers and protective inserts — start a quote with your product.