Blaine, Minnesota Weather
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Climate of Blaine: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Blaine, with average daytime highs around 29°C. January is the coolest, when nights typically fall to about -15°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 44°C, so the seasons feel very different from each other.
The area receives about 840 mm of rain in a typical year. Most of it falls from May to June and August, and June is the wettest month at roughly 130 mm.
For outdoor plans and travel, July and September usually offer the most comfortable weather in Blaine, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | -6° | -15° | 18 mm | 88% |
| Feb | -3° | -14° | 27 mm | 86% |
| Mar | 5° | -6° | 44 mm | 78% |
| Apr | 13° | 1° | 82 mm | 71% |
| May | 20° | 8° | 109 mm | 71% |
| Jun | 26° | 14° | 130 mm | 73% |
| Jul | 29° | 17° | 94 mm | 70% |
| Aug | 27° | 15° | 107 mm | 70% |
| Sep | 23° | 11° | 89 mm | 71% |
| Oct | 14° | 3° | 70 mm | 74% |
| Nov | 5° | -4° | 33 mm | 79% |
| Dec | -3° | -11° | 37 mm | 87% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Blaine. Values describe typical conditions, not a forecast.
About Blaine weather
Blaine lies in Minnesota's humid continental climate, known for cold winters shaped by its northern latitude — about 20 km north of Minneapolis. Expect warm summers (June–August). Winter brings very cold winters (December–February) with heavy snow. This page shows live, auto-refreshing weather for Blaine: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Chicago.
Frequently asked questions
Blaine is about 20 km north of Minneapolis, in Minnesota.
Blaine sees very cold winters (December–February) with heavy snow.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Blaine's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Blaine, with average daytime highs of about 29°C and nights around 17°C.
The coldest nights come in January, when the average low is about -15°C and daytime highs reach around -6°C. Frost is possible on clear, calm nights.
Blaine receives about 840 mm of rain in a typical year. June is the wettest month at roughly 130 mm, and the main rainy period is May to June and August.
July and September usually offer the most comfortable weather in Blaine, with mild daytime temperatures and little rain.
In November Blaine typically sees daytime highs near 5°C and lows near -4°C, with about 33 mm of rain over the month and average humidity around 79%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Blaine updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Blaine's day-to-day weather follows the broader pattern of Minnesota described above. See the hourly weather forecast or the air quality index for more detail.