Johnstown, Ontario
Area Small historic community in eastern Ontario
Riverside community on the St. Lawrence near Brockville; visitors come for boating, fishing, marina access and short trips into Thousand Islands boating routes.
How to Get to Johnstown, Ontario #
Johnstown is reachable by car from nearby regional centers in eastern Ontario. Nearest major roads and towns vary-use provincial maps or GPS for precise driving directions.
Tips for Visiting Johnstown, Ontario #
- Johnstown's small-town archives and municipal offices can help with genealogical inquiries-call ahead to access records.
- Explore local riverside paths-small museums and historic plaques often sit near civic squares.
- Check local event calendars for fairs and community activities that reveal living culture.
Best Time to Visit Johnstown, Ontario #
Summer and early autumn offer the most pleasant conditions for visiting small Ontario towns.
Weather & Climate near Johnstown, Ontario #
Johnstown, Ontario's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with warm summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -14°C to 26°C. Moderate rainfall (873 mm/year).
January
January is the coldest month with highs of -4°C and lows of -14°C. Moderate rainfall (60 mm).
Comfort
Weather
February
February is freezing with highs of -3°C and lows of -13°C. Moderate rainfall (52 mm).
Comfort
Weather
March
March is freezing with highs of 3°C and lows of -7°C. Moderate rainfall (55 mm).
Comfort
Weather
April
April is cold with highs of 10°C and lows of 1°C. Moderate rainfall (71 mm).
Comfort
Weather
May
May is cool with highs of 18°C and lows of 7°C. Moderate rainfall (71 mm).
Comfort
Weather
June
June is cool with highs of 23°C and lows of 12°C. Moderate rainfall (75 mm).
Comfort
Weather
July
July is the warmest month with highs of 26°C and lows of 15°C. Regular rainfall (81 mm).
Comfort
Weather
August
August is mild with highs of 25°C and lows of 14°C. Regular rainfall (92 mm).
Comfort
Weather
September
September is cool with highs of 20°C and lows of 10°C. The wettest month with 93 mm of rain.
Comfort
Weather
October
October is cold with highs of 14°C and lows of 4°C. Moderate rainfall (74 mm).
Comfort
Weather
November
November is cold with highs of 6°C and lows of -1°C. Regular rainfall (80 mm).
Comfort
Weather
December
December is freezing with highs of -1°C and lows of -9°C. Moderate rainfall (69 mm).