Malta Summer Heat and Humidity: Keeping a Home Comfortable

Malta summers can combine strong sun, high temperatures and periods of humidity. Stone walls, roof exposure, glazing, shading and airflow can make two nearby homes feel completely different. For current official information, see Malta Weather.

Reduce solar gain first, ventilate when outdoor conditions help, use fans and air-conditioning efficiently, and address leaks or persistent damp rather than masking them.

Treat heat, humidity and mould as separate problems

Inspect before renting or buying

Top-floor rooms, west-facing glazing, exposed roofs and poor cross-ventilation can increase cooling demand.

Use cooling deliberately

Close shutters during peak sun, maintain filters and cool occupied rooms rather than the entire home by habit.

Separate humidity from leaks

A dehumidifier can help condensation, but water ingress or rising damp needs diagnosis and repair.

Make the home more comfortable methodically

1. Measure indoor humidity and identify rooms or times with the worst problem.
2. Ventilate when outdoor conditions help rather than leaving windows open automatically.
3. Use shading and close sun-exposed rooms before peak heat.
4. Run air-conditioning or a dehumidifier efficiently for the actual problem.
5. Dry clothes with adequate extraction or ventilation.
6. Report leaks, rising damp or recurrent mould in writing.
7. Clean visible mould safely and address the moisture source rather than only repainting.

Questions at a property viewing

• Which direction do the main windows face?
• Is there cross-ventilation?
• Are bedrooms below ground or against exposed walls?
• How old and efficient are the air-conditioners?
• Where can laundry dry without adding moisture indoors?

Inspect after rain as well as in sunshine

A bright summer viewing can hide winter damp, while a closed winter home may not show summer overheating. Ask for recent utility use and signs of previous treatment.

Problems to prevent early

• Running cooling with doors or windows open.
• Painting over mould without finding the moisture source.

Continue your research

Start with Living in Malta: Complete Everyday Life Guide for the wider picture.

• Water and Electricity Bills in Malta: ARMS Accounts Explained
• Property Surveys, EPCs and Notarial Checks in Malta
• Local Councils in Malta: Services Residents Can Use
• Maltese and English in Malta: Language in Daily Life

Browse all Everyday Life guides.

Find the source before buying another device

A dehumidifier can manage moisture but cannot repair a leak or building defect. Escalate persistent problems to the owner or an appropriate professional.

Last reviewed: 9 August 2026. Recheck the official sources in the article metadata when a deadline, price, eligibility rule or service arrangement affects your decision.