Alliston climate

Alliston Weather in July

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

Average highs run from 26°C on July 1 to 27°C on July 31, and lows from 14°C to 15°C. Normal precipitation for the month is 71 mm over about 12 wet days.

July day by day

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

Normal daily high and low temperature at Alliston, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

July at a glance

Average high
27°C
Average low
15°C
Precipitation
71 mm
Reanalysis high
36°CJul 12, 2005
Reanalysis low
7°CJul 22, 1992
Daylight
15 h 27 min to 14 h 39 min
Cloud cover
59%
Humidity
67%
Dew point
14°C
Wind
13.3 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
Jul 126°C14°C34°C 20188°C 200740%
Jul 226°C14°C33°C 20207°C 200139%
Jul 326°C14°C32°C 20189°C 201538%
Jul 426°C14°C34°C 20189°C 200837%
Jul 526°C14°C33°C 19999°C 200936%
Jul 626°C14°C34°C 20128°C 200136%
Jul 726°C14°C35°C 20209°C 200036%
Jul 827°C14°C35°C 20209°C 199736%
Jul 927°C15°C33°C 20208°C 199737%
Jul 1027°C15°C33°C 20209°C 199738%
Jul 1127°C15°C34°C 20059°C 199438%
Jul 1227°C15°C36°C 20059°C 200938%
Jul 1327°C15°C35°C 200510°C 200939%
Jul 1427°C15°C36°C 19959°C 200939%
Jul 1527°C15°C33°C 199810°C 201539%
Jul 1627°C15°C33°C 200610°C 201540%
Jul 1727°C15°C35°C 20129°C 201439%
Jul 1827°C15°C33°C 202010°C 201439%
Jul 1927°C15°C33°C 199110°C 200040%
Jul 2027°C16°C33°C 199110°C 199742%
Jul 2127°C16°C34°C 20118°C 199243%
Jul 2227°C15°C34°C 20117°C 199243%
Jul 2327°C15°C34°C 201210°C 200043%
Jul 2427°C15°C32°C 19999°C 200444%
Jul 2527°C15°C33°C 202011°C 201343%
Jul 2627°C15°C34°C 202011°C 200444%
Jul 2727°C16°C33°C 20159°C 200144%
Jul 2827°C16°C34°C 201510°C 199644%
Jul 2927°C15°C33°C 201510°C 201444%
Jul 3027°C15°C33°C 19999°C 199242%
Jul 3127°C15°C35°C 199511°C 199242%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (EDT).

July 1
sunrise 5:40 AM, sunset 9:07 PM
July 31
sunrise 6:06 AM, sunset 8:45 PM

Every day of July: 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.