Thompson, Manitoba Climate Data

Thompson, Manitoba climate data is summarized below. Average annual temperatures range from 18.4 °F (low) to 37.9 °F (high). Annual precipitation averages 17.9 Inches. Thompson is located in USDA Plant Hardiness Zone 1b. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Aug. 11 - Aug. 20.

Avg Annual High37.9 °F
Avg Annual Low18.4 °F
Annual Precipitation17.9 in.
Hardiness ZoneZone 1b
Growing Season: Last frost around Jun. 11 - Jun. 20 — First frost around Aug. 11 - Aug. 20 — Approximately Over 180 Days frost days per year.

Monthly Average Climate Data for Thompson, Manitoba

Average monthly temperatures and precipitation Switch to Celsius / Metric
MonthAvg. LowAvg. HighAvg. Precip
January-32.6 °F-27.5 °F0 in.
February-32.2 °F-25.7 °F0 in.
March-29.2 °F-21.5 °F0 in.
April-23.2 °F-16 °F50.8 in.
May-18.1 °F-10.6 °F889 in.
June-13.8 °F-6.4 °F2209.8 in.
July-11.7 °F-4.8 °F3378.2 in.
August-12.4 °F-6.1 °F2514.6 in.
September-15.4 °F-9.6 °F1701.8 in.
October-18.6 °F-15.3 °F762 in.
November-25.2 °F-21.3 °F0 in.
December-31.2 °F-26.8 °F0 in.
Annual18.4 °F37.9 °F17.85 in.

Additional Climate Conditions

Feels Like High-23.52|-19.78|-11.1|0.47|11.75|20.31|23.41|21.06|14.08|2.31|-10.09|-21.66 °F
Feels Like Low-34.06|-33.2|-26.76|-14.21|-3.72|5.72|10.23|8.71|2.42|-4.65|-18.18|-31.03 °F
Avg Humidity77.5|74.5|70|65.5|64.84|66|70|75.34|76|84.91|85|80.5%
Avg Wind Speed9.86|9.66|10.02|10.29|11.24|10.95|10.12|10|10.48|10.25|9.31|9.18 mph
Cloud Cover82.5|76.43|78.22|73|62|63|60|64|71.28|85.78|86.36|81.72%
Days of Precipitation5|4|6|5|10|11|15|15|10|11|7|6 days/yr
Annual Snowfall57|52|61|24|14|0|0|0|0|29|56|65 in.

Climate Zone Data for Thompson, Manitoba

Average First Frost DateAug. 11 - Aug. 20
Average Last Frost DateJun. 11 - Jun. 20
Average Days With FrostOver 180 Days
Plant Hardiness ZoneZone 1b : -55°F to -50°F
Current Drought ConditionsNormal
2026 plantmaps.com