Brockville climate

Brockville Weather in April

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

Average highs run from 8°C on April 1 to 15°C on April 30, and lows from -2°C to 4°C. Normal precipitation for the month is 75 mm over about 15 wet days.

April day by day

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

Normal daily high and low temperature at Brockville, in °C, with the record for each date.-20-100102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

April at a glance

Average high
12°C
Average low
1°C
Precipitation
75 mm
Reanalysis high
27°CApr 19, 2008
Reanalysis low
-11°CApr 6, 1995
Daylight
12 h 46 min to 14 h 12 min
Cloud cover
68%
Humidity
77%
Dew point
2°C
Wind
9.7 km/h

Every day of the month

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

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Apr 18°C-2°C17°C 2010-7°C 200345%
Apr 28°C-2°C26°C 2010-5°C 199645%
Apr 39°C-2°C26°C 2010-7°C 201645%
Apr 49°C-2°C17°C 2010-8°C 201645%
Apr 59°C-1°C17°C 1997-11°C 201646%
Apr 69°C-1°C19°C 1997-11°C 199546%
Apr 79°C-1°C20°C 1991-11°C 200346%
Apr 810°C-1°C23°C 2010-9°C 199446%
Apr 910°C-1°C17°C 2008-8°C 199745%
Apr 1010°C-1°C21°C 2017-9°C 201645%
Apr 1110°C-1°C22°C 2011-5°C 200044%
Apr 1211°C0°C20°C 2019-7°C 199243%
Apr 1311°C0°C21°C 2015-10°C 199244%
Apr 1412°C0°C23°C 2014-6°C 199245%
Apr 1512°C1°C23°C 1994-5°C 201146%
Apr 1612°C1°C26°C 2012-8°C 201445%
Apr 1712°C1°C24°C 2002-5°C 201446%
Apr 1813°C1°C26°C 2002-4°C 199646%
Apr 1913°C1°C27°C 2008-4°C 200148%
Apr 2013°C2°C23°C 2008-5°C 202048%
Apr 2113°C2°C24°C 2008-5°C 201347%
Apr 2213°C2°C23°C 2008-5°C 202047%
Apr 2314°C2°C24°C 2001-6°C 202047%
Apr 2414°C2°C20°C 2009-4°C 199947%
Apr 2514°C3°C25°C 2009-5°C 201548%
Apr 2615°C3°C24°C 2008-3°C 200650%
Apr 2715°C3°C26°C 2009-5°C 201650%
Apr 2815°C3°C22°C 2013-5°C 201249%
Apr 2915°C3°C22°C 2004-3°C 201247%
Apr 3015°C4°C24°C 2004-2°C 200846%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Brockville, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

April 1
sunrise 6:44 AM, sunset 7:30 PM
April 30
sunrise 5:54 AM, sunset 8:06 PM

Every day of April: sun and moon

Other months

Sources

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.