Climate at a glance · Gretna
Annual mean4°day and night
Precipitation567 mma year
Warmest monthJulyavg high 26°
Coldest monthJanuaryavg low -20°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
567 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | -10° | -7° | 0° | 11° | 19° | 24° | 26° | 26° | 20° | 11° | 0° | -8° |
| Avg low | -20° | -17° | -9° | -1° | 6° | 12° | 14° | 13° | 7° | 0° | -8° | -16° |
| Precip, mm | 28 | 21 | 30 | 28 | 71 | 102 | 75 | 68 | 45 | 40 | 29 | 30 |
Climate normals 1981–2010 · Altona station (10 km away) · Environment and Climate Change Canada
49.0078°N, 97.5624°W · Elevation 254 m