Preparing your home for Harare's rainy season — a maintenance checklist

When the rains actually start (and why timing matters)

Harare typically sees the first storms around late October or early November, with the heaviest weather between December and February. The annual pattern is reliable enough that maintenance crews schedule their year around it — gutter cleaners, roof contractors and drainage specialists pivot from "available next week" in September to "booked solid until December" by mid-October. If you wait until you've actually got water coming through the ceiling, you're competing with everyone else who waited.

Priority 1: Roof and gutter check

The single most important pre-rainy-season job is a roof and gutter inspection. A blocked gutter doesn't just overflow — it pushes water under tiles, into roof cavities and down inside walls, and the damage shows up months later as damp patches that look unrelated to the original problem.

• Clear leaves, twigs and debris from gutters and downpipes (jacaranda blossom is the classic culprit in Harare).
• Check for sagging or pulled-away gutter brackets — they fail under heavy water + debris load.
• Walk the roof (or have someone walk it) looking for cracked, slipped or missing tiles.
• Check the ridge cap and flashing around chimneys, vents and skylights — these are the leak points.
• Run a hose into the gutter at one end and watch the downpipe — if water doesn't come out fast, there's a blockage in the run.

Priority 2: Drainage and yard prep

Many Harare properties have storm drains that worked fine when they were installed and have slowly silted up. Add the leaves that fall just before the rains and you've got a guaranteed flood path that goes wherever the slope of your yard sends it — usually toward the house.

• Rod or flush yard drains, particularly any that run under driveways or paving.
• Check the slope away from the house — soil should fall away from the foundation, not toward it. Top up where it's eroded.
• Clear vegetation from drainage channels along boundary walls.
• Inspect French drains and soakaways if you have them; they take weeks of dry weather to re-condition once the water arrives.
• Check the driveway and any paved areas for low spots that pool water — sealant or re-grading is cheaper than a flooded garage.

Priority 3: Damp and mould prevention indoors

Harare's rainy season brings sustained humidity that turns small ventilation problems into visible mould within weeks. The fix is usually environmental rather than chemical.

• Open windows daily — stale, humid air is the main mould incubator.
• Check that bathroom and kitchen extractor fans actually work (and vent outside, not into the ceiling).
• Treat any existing damp patches before the season — covering them with paint without addressing the source just compresses the timeline before they reappear.
• Look behind cupboards along external walls, where mould often hides until you can smell it.
• Consider a dehumidifier for bedrooms in particularly damp older houses.

Priority 4: Outdoor electrical and security

Outdoor wiring, gate motors, intercoms and floodlights all take a beating during rainy season. A surge from a nearby lightning strike can take out a DB board or fry an inverter, and a damp gate-motor enclosure costs more to replace than to seal preventatively.

• Check seals on outdoor electrical boxes (gate motors, pool pumps, garden lights).
• Test surge protection on the DB board — if it's old, replace it before the season.
• Trim back any branches touching power lines or overhanging the meter point.
• Test the backup power system (inverter / generator) under load before you need it.

Priority 5: Tree trimming and overhanging branches

Heavy storms in Harare drop branches every year. The branches you'd worry about are the ones you stop noticing — the jacaranda over the kitchen, the gum tree at the back fence, the flamboyant touching the gate. A two-hour pruning visit in September is dramatically cheaper than the same crew doing emergency removal in January after a branch has come through your roof.

• Trim branches overhanging the roof, gutters, gate, driveway, pool and power lines.
• Remove dead or dying branches first — they fail before live ones.
• If a tree is too big or too close to risk DIY, book a pro with proper kit.

Booking ahead vs waiting

Through Tesha, the September-October window for gutter cleaners, roof crews and tree-trimming providers is calm and prices are normal. From mid-October onwards demand spikes, response times stretch and emergency call-outs cost more. Send a WhatsApp message before the first storm and the assistant matches you with whoever's available in your suburb.