Greater Sudbury climate

Greater Sudbury Weather in April

NASA POWER reanalysis for the half-degree grid cell around Greater Sudbury, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 4°C on April 1 to 13°C on April 30, and lows from -6°C to 0°C. Normal precipitation for the month is 63 mm over about 12 wet days.

April day by day

The normal high and low for each date, and the record, in °C.

Normal daily high and low temperature at Greater Sudbury, in °C, with the record for each date.-30-20-100102030151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
8°C
Average low
-3°C
Precipitation
63 mm
Record high
28°CApr 26, 1990
Record low
-21°CApr 5, 1995
Daylight
12 h 50 min to 14 h 21 min
Cloud cover
65%
Humidity
79%
Dew point
-1°C
Wind
10.8 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowRecord highRecord lowChance wet
Apr 14°C-6°C16°C 1999-13°C 201834%
Apr 25°C-5°C19°C 2010-19°C 202333%
Apr 35°C-5°C18°C 2010-19°C 201633%
Apr 45°C-5°C17°C 2010-17°C 201633%
Apr 55°C-5°C15°C 2010-21°C 199533%
Apr 65°C-5°C17°C 1991-15°C 198234%
Apr 76°C-5°C21°C 1991-15°C 202634%
Apr 86°C-4°C24°C 2021-18°C 201835%
Apr 96°C-4°C20°C 2024-16°C 201634%
Apr 107°C-4°C20°C 2021-16°C 201633%
Apr 117°C-4°C21°C 2021-8°C 201333%
Apr 127°C-3°C21°C 1987-8°C 198933%
Apr 138°C-3°C20°C 2023-11°C 199235%
Apr 148°C-3°C19°C 2023-11°C 199234%
Apr 159°C-2°C24°C 2023-14°C 201432%
Apr 169°C-2°C25°C 2023-9°C 198033%
Apr 179°C-2°C20°C 2016-9°C 198033%
Apr 1810°C-2°C23°C 2002-8°C 198334%
Apr 1910°C-2°C22°C 2005-8°C 198335%
Apr 2010°C-1°C22°C 2006-10°C 202635%
Apr 2110°C-1°C23°C 2008-11°C 201334%
Apr 2211°C-1°C22°C 1985-11°C 202035%
Apr 2311°C-1°C24°C 1985-9°C 202035%
Apr 2411°C-1°C24°C 1985-10°C 202435%
Apr 2511°C0°C25°C 1990-8°C 202436%
Apr 2612°C0°C28°C 1990-8°C 202136%
Apr 2712°C0°C26°C 2017-8°C 202236%
Apr 2812°C0°C27°C 1990-6°C 201234%
Apr 2913°C0°C27°C 1986-6°C 201834%
Apr 3013°C0°C20°C 1999-5°C 202534%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Greater Sudbury, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

April 1
sunrise 7:03 AM, sunset 7:53 PM
April 30
sunrise 6:11 AM, sunset 8:32 PM

Every day of April: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station CA006068145, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.