Most instruments were designed in dry climates. Wood guitars, violins, and pianos especially — they were built assuming room humidity of 40–55%. Kingston averages 75% year-round, and during the rainy season we routinely hit 85%+. That’s a problem your instruments quietly pay for, every day, until something breaks.
The good news: a few cheap habits will keep your gear safe for decades.
What Humidity Actually Does to Wooden Instruments
Wood absorbs moisture from the air. When humidity rises, wood swells; when it drops, wood shrinks. In a guitar, this means the top swells upward when wet (raising the action and making the guitar hard to play) and pulls inward when dry (sometimes causing cracks). The neck twists subtly with the seasons. Glue joints loosen. Frets stick out as the fretboard shrinks.
In a violin or cello, the consequences are worse: open seams, warped tops, soundpost shifts. In a piano, swelling can cause sticky keys and tuning instability.
You can’t stop this completely in Jamaica. But you can keep it within a safe range.
Step 1: Measure What You’re Dealing With
A hygrometer is a small device that measures relative humidity. A basic digital one pays for itself the first time you catch a problem. Place one in the room where your instruments live, and one inside your guitar case if you have a guitar.
The ideal range for most wooden instruments is 45–55% relative humidity. In Jamaica, the realistic target is “as close to that as you can get.”
Step 2: Store Instruments in Cases
A hard case is the single best humidity defense you have. It creates a small, sealed environment you can actually control. Standing your guitar on a stand in the living room may look great, but it exposes the wood to whatever the room is doing — including the fan, the open window, and the air conditioning cycle.
Use the case. Open it only to play.
Step 3: Use Two-Way Humidity Packs
Two-way humidity control packs absorb moisture when it’s too humid and release it when it’s too dry. Drop two or three in your guitar case and forget about them for two to three months until they harden up.
For larger instruments or rooms, a small dehumidifier (electric or rechargeable) is worth considering, especially for serious players with multiple wood instruments.
Step 4: Watch Your Electronics
Salt air near the coast and constant high humidity inland both attack electronics. Things to watch:
- Amplifier tubes can develop crackle and noise when stored damp — keep amps off the floor and away from windows.
- Audio interfaces and mixers can corrode at the input jacks. Clean inputs occasionally with electronic contact cleaner.
- Pedals — keep them in a closed pedalboard bag when not in use.
- Keyboards — cover them. Dust plus humidity equals sticky keys.
Step 5: Drum Heads and Skin Instruments
Drum heads absorb moisture and go dull. Hand percussion with real animal skin (djembe, nyabinghi drums) is more sensitive still — a damp skin sounds dead and can stretch out of shape. Store skin drums on their side, off the floor, and consider a soft cover.
Step 6: Brass and Woodwind
Brass instruments don’t swell, but they corrode and grow funky inside if you don’t dry them after playing. Use a swab. Empty water keys. Wipe down with a soft cloth.
Woodwinds (clarinet, oboe, sax) are sensitive to moisture cycles — swab them out after every session. Pads love to grow mold in damp climates.
The Five Simple Habits That Save Thousands
- Put the instrument in its case when you finish playing.
- Drop a humidity pack in the case and replace it every 2–3 months.
- Keep your music room out of direct contact with open windows during heavy rain.
- Wipe your instrument down with a microfiber cloth after every session — hand oil and sweat are corrosive.
- Once a year, take wood instruments to a tech for a setup check.
When to Worry
Cracks in the top, opening seams, a neck that has visibly twisted, frets that hurt your hand from sticking out — these are signs of long-term humidity damage. Most are repairable if caught early. Take the instrument to a luthier or technician before the problem grows.
Build Your Care Kit
Music Mart stocks instrument polish, microfiber cloths, cleaning kits, gig bags, and hard cases to help protect your investment. Spending a little on basic care up front can save you a great deal in repairs or premature replacement. Ask in store about what’s currently in stock for your instrument.



