Mosquito Control in Barrie
If you need mosquito control in Barrie, AstraHive Pest Control finds breeding zones, treats standing water that cannot be drained and treats resting areas, backed by a 90-day warranty. Simcoe Muskoka District Health Unit's West Nile surveillance data shows why private property matters.
West Nile virus and mosquitoes: what Simcoe Muskoka District Health Unit reports
- Simcoe Muskoka places mosquito traps throughout the district each week during the warmer months, and collected mosquitoes are identified and tested for West Nile virus.
- Public health also monitors mosquito larvae in stormwater ponds, catch basins and roadside ditches, and municipalities may apply larvicide to catch basins and other breeding sites when appropriate.
Barrie's weather in four numbers
Environment and Climate Change Canada climate normals 1981 to 2010, Barrie Wpcc station, 1.5 km from Barrie. A station is the nearest one with a full set of normals, not a reading from your street.
What this means for mosquitoes: breeding follows warmth and standing water, so the warm and wet months on this chart set the season.
Mosquitoes in your Barrie home or building?
Our licensed technicians start with an inspection and a clear plan for your property.
Call 905-925-8427How AstraHive Pest Control gets rid of mosquitoes in Barrie
- Find the breeding zones: gutters, low-lying areas, ornamental ponds and bird baths first.
- Larvicide on standing water that cannot be drained.
- Residual treatment on dense foliage, shaded resting zones and foundation and perimeter edges.
- Monthly follow-up from May through September, if you want it.
Products are Health Canada approved and applied according to the product label, and our technicians are licensed by the Ontario Ministry of the Environment, Conservation and Parks (MECP). Our standard 90-day warranty applies to our treatments, and your technician confirms the terms for a seasonal mosquito program when you book.
Water on your Barrie property, and when mosquitoes breed
Public programs treat public catch basins and surface water; gutters, buckets, tarps, ornamental ponds and bird baths on a private lot are separate. July is the warmest month at the Barrie Wpcc station at 20.8 °C, with 10.4 days a year above 30 °C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean daily maximum (°C) | -2.9 | -1.5 | 3.2 | 11.0 | 18.1 | 23.6 | 26.2 | 25.1 | 20.7 | 13.4 | 6.5 | 0.4 |
| Total precipitation (mm) | 83 | 62 | 58 | 62 | 82 | 85 | 77 | 90 | 94 | 78 | 89 | 74 |
| Days with rain of 0.2 mm or more | 3 | 3 | 5 | 11 | 13 | 11 | 11 | 12 | 13 | 16 | 11 | 5 |
Environment and Climate Change Canada climate normals, 1981 to 2010, Barrie Wpcc station (1.5 km from Barrie). A station is the nearest one with a full set of normals, not a reading from your street.
- A building must be kept reasonably free of rodents, vermin and insects at all times, and extermination methods must follow the Pesticides Act.
We also serve Innisfil, Georgina, Keswick, Sutton, Wasaga Beach.
- Climate station: Barrie Wpcc, 1.5 km from Barrie.
- Public health unit: Simcoe Muskoka District Health Unit.
- By-law: Property Standards By-law 2011-138.
- Nearby areas we serve: Innisfil (13 km), Georgina (23 km), Keswick (24 km), Sutton (28 km), Wasaga Beach (30 km).
West Nile virus and mosquitoes in the news near Barrie
- 11 August 2026. Mosquitoes collected in Barrie tested positive for West Nile virus. The virus was also found in a bird and a horse in Simcoe Muskoka, and no human cases had been confirmed in the region in 2026. Source: Simcoe Muskoka District Health Unit: Barrie mosquito pool positive.
Private yards in Barrie
58% of homes in Barrie are detached houses with private yards. Gutters, planters, tarps and bird baths on a private lot are breeding sites that public larviciding does not reach.
Source: Statistics Canada, 2021 Census, private households in Barrie. Shares of occupied private dwellings.
Frequently asked questions: Barrie
How warm does Barrie get in July?
The Barrie Wpcc station's July mean is 20.8 degrees Celsius, with about 10.4 days a year above 30 degrees Celsius.
Why are there more mosquitoes after rain?
Rain fills containers, gutters and ditches, which become breeding sites within days. The Barrie Wpcc station records about 933 mm of precipitation a year near Barrie, with September the wettest month at 94 mm, and damp conditions suit mosquitoes.
Is West Nile virus a concern here?
Public health units monitor mosquito pools each season, and the usual advice is to cut breeding water and avoid bites at dusk. The Barrie Wpcc station records about 933 mm of precipitation a year near Barrie, with September the wettest month at 94 mm, and damp conditions suit mosquitoes.
Sources
- City of Barrie: Property Standards By-law 2011-138 . section 13, pest prevention
- City of Barrie: Yard Maintenance By-law 2011-107 . waste containers and pest infestations
- Tribunals Ontario, Landlord and Tenant Board: Maintenance and Repairs . landlords must control pests such as cockroaches and mice; municipal standards
- Simcoe Muskoka District Health Unit: Bed Bugs, Homeowners and Tenants . how bed bugs enter, tenant steps
- Simcoe Muskoka District Health Unit: West Nile virus . traps, larvae monitoring, larvicide
- Environment and Climate Change Canada: Canadian Climate Normals 1981-2010 . monthly temperature, precipitation, frost days and degree-days
- Simcoe Muskoka District Health Unit: Barrie mosquito pool positive
- Statistics Canada: structural type of dwelling by tenure, 2021 Census (table 98-10-0240-01) . dwelling types and renter households
- Statistics Canada: dwelling condition by period of construction, 2021 Census (table 98-10-0233-01) . age of homes and repair needs