Warm-summer humid continental climate
Climate Grand Portage - Minnesota
Annual high48ºF
Annual low27ºF
Precipitation31.18 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 21 | -1 | 1.43 |
| Feb | 25 | 2 | 0.87 |
| Mar | 35 | 13 | 1.53 |
| Apr | 47 | 26 | 2.56 |
| May | 59 | 36 | 3.06 |
| Jun | 68 | 45 | 3.53 |
| Jul | 74 | 51 | 3.61 |
| Aug | 74 | 51 | 3.50 |
| Sep | 64 | 43 | 3.49 |
| Oct | 52 | 33 | 3.40 |
| Nov | 38 | 21 | 2.45 |
| Dec | 25 | 7 | 1.75 |
- JanHigh 21ºFLow -1ºFPrecip 1.43 inch
- FebHigh 25ºFLow 2ºFPrecip 0.87 inch
- MarHigh 35ºFLow 13ºFPrecip 1.53 inch
- AprHigh 47ºFLow 26ºFPrecip 2.56 inch
- MayHigh 59ºFLow 36ºFPrecip 3.06 inch
- JunHigh 68ºFLow 45ºFPrecip 3.53 inch
- JulHigh 74ºFLow 51ºFPrecip 3.61 inch
- AugHigh 74ºFLow 51ºFPrecip 3.50 inch
- SepHigh 64ºFLow 43ºFPrecip 3.49 inch
- OctHigh 52ºFLow 33ºFPrecip 3.40 inch
- NovHigh 38ºFLow 21ºFPrecip 2.45 inch
- DecHigh 25ºFLow 7ºFPrecip 1.75 inch
Climate summary
What is the average weather in Grand Portage, Minnesota?
Grand Portage experiences a humid continental climate, marked by very strong seasonal temperature changes. Winters are very cold, while summers bring mild conditions. The area receives moderate precipitation annually, with a distinct pattern of wetter summers and drier winters, though moisture is spread relatively evenly throughout the year.
Grand Portage weather averages
Annual high48ºF
Annual low27ºF
Precipitation31.18 inch
Daily normals Grand Portage - Minnesota - January
| Day | HighºF | LowºF | Prec/ | Prec/ | Snow/ | Snow/ |
|---|---|---|---|---|---|---|
| Jan 1 | 21.5 | 3.5 | 0.05 | 0.05 | 0.40 | 0.40 |
| Jan 2 | 21.3 | 3.2 | 0.11 | 0.11 | 0.80 | 0.80 |
| Jan 3 | 21.1 | 2.9 | 0.16 | 0.16 | 1.30 | 1.30 |
| Jan 4 | 20.9 | 2.6 | 0.21 | 0.21 | 1.70 | 1.70 |
| Jan 5 | 20.8 | 2.4 | 0.26 | 0.26 | 2.20 | 2.20 |
| Jan 6 | 20.7 | 2.1 | 0.31 | 0.31 | 2.60 | 2.60 |
| Jan 7 | 20.5 | 1.9 | 0.36 | 0.36 | 3.00 | 3.00 |
| Jan 8 | 20.4 | 1.7 | 0.41 | 0.41 | 3.40 | 3.40 |
| Jan 9 | 20.3 | 1.5 | 0.46 | 0.46 | 3.80 | 3.80 |
| Jan 10 | 20.2 | 1.3 | 0.50 | 0.50 | 4.30 | 4.30 |
| Jan 11 | 20.1 | 1.1 | 0.55 | 0.55 | 4.70 | 4.70 |
| Jan 12 | 20.0 | 0.9 | 0.60 | 0.60 | 5.10 | 5.10 |
| Jan 13 | 20.0 | 0.7 | 0.64 | 0.64 | 5.50 | 5.50 |
| Jan 14 | 19.9 | 0.5 | 0.68 | 0.68 | 5.90 | 5.90 |
| Jan 15 | 19.9 | 0.4 | 0.72 | 0.72 | 6.30 | 6.30 |
| Jan 16 | 19.9 | 0.3 | 0.76 | 0.76 | 6.70 | 6.70 |
| Jan 17 | 19.8 | 0.1 | 0.80 | 0.80 | 7.10 | 7.10 |
| Jan 18 | 19.8 | 0.0 | 0.84 | 0.84 | 7.50 | 7.50 |
| Jan 19 | 19.8 | -0.1 | 0.88 | 0.88 | 7.90 | 7.90 |
| Jan 20 | 19.8 | -0.2 | 0.93 | 0.93 | 8.30 | 8.30 |
| Jan 21 | 19.9 | -0.3 | 0.97 | 0.97 | 8.70 | 8.70 |
| Jan 22 | 19.9 | -0.3 | 1.01 | 1.01 | 9.00 | 9.00 |
| Jan 23 | 20.0 | -0.4 | 1.04 | 1.04 | 9.40 | 9.40 |
| Jan 24 | 20.0 | -0.5 | 1.08 | 1.08 | 9.80 | 9.80 |
| Jan 25 | 20.1 | -0.5 | 1.13 | 1.13 | 10.10 | 10.10 |
| Jan 26 | 20.2 | -0.5 | 1.16 | 1.16 | 10.50 | 10.50 |
| Jan 27 | 20.3 | -0.5 | 1.20 | 1.20 | 10.80 | 10.80 |
| Jan 28 | 20.4 | -0.5 | 1.24 | 1.24 | 11.20 | 11.20 |
| Jan 29 | 20.5 | -0.5 | 1.28 | 1.28 | 11.50 | 11.50 |
| Jan 30 | 20.6 | -0.5 | 1.31 | 1.31 | 11.90 | 11.90 |
| Jan 31 | 20.8 | -0.4 | 1.35 | 1.35 | 12.20 | 12.20 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Grand Portage - October 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Oct 1 | 72.0 | 50.0 | T |
| Oct 2 | – | – | – |
| Oct 3 | – | – | – |
| Oct 4 | – | – | – |
| Oct 5 | – | – | – |
| Oct 6 | – | – | – |
| Oct 7 | – | – | – |
| Oct 8 | – | – | – |
| Oct 9 | – | – | – |
| Oct 10 | – | – | – |
| Oct 11 | – | – | – |
| Oct 12 | – | – | – |
| Oct 13 | – | – | – |
| Oct 14 | – | – | – |
| Oct 15 | – | – | – |
| Oct 16 | – | – | – |
| Oct 17 | – | – | – |
| Oct 18 | – | – | – |
| Oct 19 | – | – | – |
| Oct 20 | 57.0 | 28.9 | 0.00 |
| Oct 21 | 54.0 | 28.9 | 0.00 |
| Oct 22 | 63.0 | 35.1 | 0.17 |
| Oct 23 | 52.0 | 34.0 | 0.00 |
| Oct 24 | 55.0 | 39.9 | 0.00 |
| Oct 25 | 64.9 | 32.0 | 0.04 |
| Oct 26 | 61.0 | 30.0 | 0.05 |
| Oct 27 | – | – | – |
| Oct 28 | – | – | – |
| Oct 29 | – | – | – |
| Oct 30 | – | – | – |
| Oct 31 | – | – | – |
The data for October 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature72.0ºF · Oct 1
- Lowest max temperature52.0ºF · Oct 23
- Highest min temperature50.0ºF · Oct 1
- Lowest min temperature28.9ºF · Oct 20
Geo Grand Portage - Minnesota
Location
- Country
- United States
- State
- Minnesota
- County
- Cook
- City
- Grand Portage
- Zip Code
- 55605
- Elevation
- 597 ft
- Longitude
- -89.68
- Latitude
- 47.96
- ICAO
- –
- IATA
- –