Saskatchewan RM Agroclimatic Frost Atlas | 100-Year Climate Extremes & Normals

CLASSIFICATION · AGROCLIMATIC NORMALS

30-Year Normal Mean First Frost

Average calendar date when temperatures reach 0.0°C or below (1991–2020 Normals).

RURAL MUNICIPALITY INTELLIGENCE

RM of Argyle No. 1

Prairie Zone Elev 496m

2026 FALL OBSERVATION (TO DATE)

30-Year Normal First Fall Frost (1991–2020)

Sept 13

DOY 256 · 50% Freeze Probability Threshold

10% Early Frost Risk

Sept 04

DOY 247 · 1-in-10 Year Hazard

Frost-Free Window

118 Days

Consecutive Tmin > 0°C

100-Year Record Earliest Fall Frost

Aug 20

1928 (-1.1°C)

All-time historical freeze recorded in local 100+ year climate series