Yellowknife climate

Yellowknife Weather in July

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

Average highs run from 20°C on July 1 to 21°C on July 31, and lows from 13°C to 13°C. Normal precipitation for the month is 56 mm over about 12 wet days.

July day by day

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

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

July at a glance

Average high
21°C
Average low
13°C
Precipitation
56 mm
Record high
31°CJul 15, 2016
Record low
2°CJul 17, 2021
Daylight
19 h 46 min to 17 h 30 min
Cloud cover
64%
Humidity
64%
Dew point
10°C
Wind
16.6 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
Jul 120°C13°C30°C 20164°C 201937%
Jul 220°C13°C28°C 20169°C 202338%
Jul 320°C13°C28°C 201410°C 201937%
Jul 420°C13°C30°C 20168°C 202138%
Jul 520°C13°C26°C 20177°C 202138%
Jul 620°C13°C26°C 20228°C 202339%
Jul 720°C13°C28°C 20177°C 201541%
Jul 820°C13°C27°C 20216°C 201941%
Jul 920°C13°C28°C 20176°C 201541%
Jul 1020°C13°C28°C 20178°C 201541%
Jul 1121°C13°C27°C 20187°C 201540%
Jul 1221°C13°C28°C 20237°C 201440%
Jul 1321°C13°C27°C 20164°C 201938%
Jul 1421°C13°C30°C 20167°C 201938%
Jul 1521°C14°C31°C 20166°C 201337%
Jul 1621°C14°C25°C 20193°C 202136%
Jul 1721°C14°C29°C 20192°C 202135%
Jul 1821°C14°C26°C 20234°C 201435%
Jul 1921°C14°C28°C 20237°C 201433%
Jul 2021°C14°C28°C 20235°C 201733%
Jul 2121°C14°C27°C 20237°C 201632%
Jul 2222°C14°C28°C 201910°C 201631%
Jul 2322°C14°C28°C 20148°C 201632%
Jul 2422°C14°C27°C 20178°C 202131%
Jul 2521°C14°C28°C 20146°C 202129%
Jul 2622°C14°C28°C 20189°C 202229%
Jul 2722°C14°C27°C 20188°C 201628%
Jul 2822°C14°C27°C 20142°C 201927%
Jul 2922°C14°C30°C 20148°C 201727%
Jul 3021°C14°C28°C 20149°C 201728%
Jul 3121°C13°C28°C 20217°C 201427%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (MDT).

July 1
sunrise 3:48 AM, sunset 11:34 PM
July 31
sunrise 4:58 AM, sunset 10:28 PM

Every day of July: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station CA002204101, 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.