Long-Range Weather Forecast for Trenton, ON

Annual Weather Summary
November 2022 to October 2023

Winter will be colder than normal, with above-normal precipitation and snowfall. The coldest periods will be in mid- and late November, early and late December, early and late January, and late February. The snowiest periods will be in late November, early December, and mid-January. On average, April and May temperatures will be near normal, with slightly above-normal precipitation. Summer temperatures will be slightly above normal. Rainfall will be above normal. The hottest periods will be in mid-July and early August. On average, September and October will be slightly warmer than normal, with rainfall above normal in the east and below normal in the west.

Free 2-Month Weather Forecast

June 2023 Long Range Weather Forecast for Southern Ontario

Dates	Weather Conditions
Jun 1-5	A few showers; cool, then warm
Jun 6-14	A few showers, turning mild
Jun 15-21	T-storms, turning warm
Jun 22-30	Sunny, then a few t-storms; warm north, cool south
June	temperature 16.5°C (1°C below avg.) precipitation 80mm (avg.)

July 2023 Long Range Weather Forecast for Southern Ontario

Dates	Weather Conditions
Jul 1-6	T-storms, then sunny; turning cool
Jul 7-12	Isolated t-storms, cool
Jul 13-18	T-storms, warm
Jul 19-28	Scattered t-storms, turning cool
Jul 29-31	Sunny, cool
July	temperature 21°C (avg.) precipitation 105mm (25mm above avg.)

Temperature and Precipitation November 2022 to October 2023