February is one of the cooler months of the year in Great Falls, with average highs near 1.7°C and lows around -8.3°C (mean -3.3°C). It is one of the drier months, averaging 22 mm of rainfall and 75% relative humidity across the period.
February is one of the cooler months of the year in Great Falls. Across 45 years of records, the warmest February in Great Falls was 2016 — when the month averaged 2.3°C — while the coldest was 2019 at -15°C. Typical February days reach 1.7°C with nights near -8.3°C. The long-term trend is cooling, about 0.7°C per decade.
February is one of the drier months in Great Falls, averaging 22 mm of rainfall. The wettest February on record was 2019 with 57 mm, while the driest was 2005 at 3 mm.
Relative humidity in Great Falls during February averages 75%. The most humid February was 2019 at 91%, and the least humid was 2005 at 63%.
February receives about 2.5 kWh/m²/day of solar energy in Great Falls. The sunniest February was 2025 at 2.9 kWh/m²/day, and the cloudiest was 1986 at 2.2.
Average wind speed in Great Falls during February is 3.3 m/s. The windiest February was 1999 at 4.5 m/s, while the calmest were 2010 and 2019 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -3.2°C | -2.0°C | -2.4°C | -4.9°C | -4.4°C | -1.2°C |
| Avg High | 1.8°C | 3.1°C | 2.7°C | 0.2°C | 0.4°C | -1.4°C |
| Avg Low | -8.2°C | -7.0°C | -7.4°C | -9.9°C | -9.1°C | -0.9°C |
| Avg Rain | 20 mm | 14 mm | 19 mm | 29 mm | 30 mm | +10 mm |
February temperatures in Great Falls have fallen by about 2.5°C between 1981–1985 and 2021–2025.
February has ranged from a record low of -34.4°C (1996) to a record high of 18.4°C (1992).
Rainfall in February is one of the drier months, averaging 22 mm, with a wettest year of 57 mm.
A quieter season to visit Great Falls
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Great Falls. That said, February — with days averaging 1.7°C and nights around -8.3°C (mean -3.3°C) and low rainfall (22 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | -3.5°C | -9.0°C | -14.4°C | 15.2°C | -27.8°C | 31 mm | 83% | 3.1 m/s | 2.9 |
| 2024 | 3.5°C | -1.1°C | -5.6°C | 15.2°C | -14.9°C | 40 mm | 78% | 3.2 m/s | 2.6 |
| 2023 | 2.0°C | -2.7°C | -7.4°C | 9.2°C | -24.9°C | 31 mm | 72% | 4 m/s | 2.4 |
| 2022 | 1.7°C | -3.1°C | -8.0°C | 10.7°C | -23.1°C | 22 mm | 68% | 4.1 m/s | 2.4 |
| 2021 | -4.5°C | -8.9°C | -13.4°C | 10.5°C | -29.3°C | 27 mm | 77% | 3.3 m/s | 2.7 |
| 2020 | 3.3°C | -1.4°C | -6.1°C | 13.0°C | -14.8°C | 27 mm | 71% | 3.9 m/s | 2.4 |
| 2019 ❄️ 🌧️ | -9.7°C | -15.0°C | -20.2°C | 7.8°C | -26.4°C | 57 mm | 91% | 2.4 m/s | 2.7 |
| 2018 | -4.1°C | -10.2°C | -16.4°C | 6.1°C | -29.5°C | 54 mm | 88% | 3.2 m/s | 2.7 |
| 2017 | 2.2°C | -2.7°C | -7.6°C | 15.2°C | -20.5°C | 27 mm | 76% | 3.3 m/s | 2.4 |
| 2016 🔥 | 7.4°C | 2.3°C | -2.8°C | 14.6°C | -11.2°C | 11 mm | 69% | 3.7 m/s | 2.5 |
| 2015 | 4.2°C | -0.6°C | -5.3°C | 14.8°C | -13.8°C | 24 mm | 74% | 2.9 m/s | 2.3 |
| 2014 | -3.7°C | -8.4°C | -13.2°C | 7.9°C | -32.5°C | 29 mm | 77% | 3.6 m/s | 2.8 |
| 2013 | 3.7°C | -0.9°C | -5.5°C | 8.5°C | -11.1°C | 14 mm | 73% | 3.7 m/s | 2.6 |
| 2012 | 2.2°C | -2.8°C | -7.9°C | 7.4°C | -13.9°C | 21 mm | 75% | 2.8 m/s | 2.4 |
| 2011 | -1.9°C | -6.8°C | -11.6°C | 11.5°C | -24.3°C | 37 mm | 78% | 4 m/s | 2.6 |
| 2010 | 1.6°C | -3.5°C | -8.6°C | 8.6°C | -16.1°C | 18 mm | 87% | 2.4 m/s | 2.7 |
| 2009 | 3.6°C | -1.7°C | -6.9°C | 11.1°C | -14.6°C | 17 mm | 74% | 2.7 m/s | 2.6 |
| 2008 | 2.7°C | -2.2°C | -7.0°C | 9.0°C | -19.0°C | 22 mm | 77% | 3.6 m/s | 2.4 |
| 2007 | 0.8°C | -3.7°C | -8.1°C | 9.0°C | -20.1°C | 38 mm | 76% | 3.3 m/s | 2.3 |
| 2006 | 1.7°C | -3.2°C | -8.2°C | 13.0°C | -28.3°C | 20 mm | 68% | 3.6 m/s | 2.4 |
| 2005 | 5.5°C | 0.1°C | -5.4°C | 12.8°C | -11.9°C | 3 mm | 63% | 2.7 m/s | 2.8 |
| 2004 | 4.5°C | -0.9°C | -6.2°C | 11.6°C | -14.1°C | 11 mm | 76% | 2.8 m/s | 2.6 |
| 2003 | 0.8°C | -3.8°C | -8.4°C | 5.8°C | -22.8°C | 28 mm | 78% | 2.9 m/s | 2.3 |
| 2002 | 3.7°C | -1.4°C | -6.6°C | 12.7°C | -17.2°C | 19 mm | 66% | 4.2 m/s | 2.4 |
| 2001 | -0.4°C | -5.7°C | -11.0°C | 9.0°C | -17.4°C | 17 mm | 78% | 2.5 m/s | 2.8 |
| 2000 | 4.0°C | -1.3°C | -6.5°C | 11.1°C | -13.8°C | 19 mm | 77% | 2.9 m/s | 2.4 |
| 1999 | 4.0°C | -0.4°C | -4.9°C | 12.8°C | -12.3°C | 21 mm | 70% | 4.5 m/s | 2.3 |
| 1998 | 5.4°C | 0.5°C | -4.3°C | 10.3°C | -10.7°C | 7 mm | 73% | 2.7 m/s | 2.8 |
| 1997 | 3.2°C | -1.4°C | -5.9°C | 10.7°C | -11.9°C | 17 mm | 75% | 3.2 m/s | 2.4 |
| 1996 | 1.3°C | -3.7°C | -8.6°C | 13.0°C | -34.4°C | 23 mm | 74% | 4 m/s | 2.4 |
| 1995 | 3.3°C | -1.5°C | -6.2°C | 18.0°C | -21.4°C | 13 mm | 69% | 3.5 m/s | 2.4 |
| 1994 | -1.8°C | -7.1°C | -12.4°C | 10.3°C | -29.8°C | 15 mm | 79% | 3.3 m/s | 2.6 |
| 1993 | -1.8°C | -7.0°C | -12.1°C | 7.3°C | -23.9°C | 19 mm | 80% | 2.8 m/s | 2.6 |
| 1992 | 7.7°C | 2.0°C | -3.7°C | 18.4°C | -9.4°C | 6 mm | 70% | 2.9 m/s | 2.8 |
| 1991 | 7.2°C | 2.2°C | -2.9°C | 12.4°C | -11.8°C | 14 mm | 71% | 3.6 m/s | 2.5 |
| 1990 | 2.3°C | -3.3°C | -8.8°C | 12.7°C | -22.4°C | 9 mm | 70% | 4 m/s | 2.6 |
| 1989 | -6.2°C | -11.0°C | -15.9°C | 9.5°C | -34.1°C | 32 mm | 80% | 2.9 m/s | 2.4 |
| 1988 | 3.6°C | -1.8°C | -7.2°C | 16.6°C | -20.1°C | 19 mm | 70% | 3.6 m/s | 2.5 |
| 1987 | 5.8°C | 1.0°C | -3.9°C | 13.3°C | -12.8°C | 9 mm | 70% | 3 m/s | 2.7 |
| 1986 | 0.3°C | -4.6°C | -9.5°C | 17.5°C | -20.3°C | 29 mm | 80% | 2.8 m/s | 2.2 |
| 1985 | -1.9°C | -7.2°C | -12.5°C | 5.9°C | -30.0°C | 19 mm | 80% | 3.7 m/s | 2.4 |
| 1984 | 5.7°C | 0.8°C | -4.0°C | 10.6°C | -7.7°C | 16 mm | 69% | 3.4 m/s | 2.3 |
| 1983 | 6.1°C | 1.2°C | -3.6°C | 15.5°C | -11.2°C | 11 mm | 74% | 3.1 m/s | — |
| 1982 | -0.4°C | -5.3°C | -10.2°C | 14.1°C | -27.4°C | 27 mm | 78% | 3.4 m/s | — |
| 1981 | 3.2°C | -2.1°C | -7.3°C | 14.6°C | -30.9°C | 17 mm | 74% | 3.6 m/s | — |
Actual recorded February data for each year, 1981–2025 — sourced from NASA POWER.
The average high in February is around 1.7°C with lows near -8.3°C (mean -3.3°C), based on 45 years of NASA POWER data.
February averages 22 mm of rainfall in Great Falls, one of the drier months. The wettest on record was 57 mm in 2019.
The hottest February reached 18.4°C in 1992. The coldest dipped to -34.4°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average February temperatures have fallen by about 2.5°C. Daytime highs moved from 2.5°C to -0.2°C and overnight lows from -7.5°C to -9.8°C over the same span.
February is one of the cooler months of the year in Great Falls and one of the drier months, so plan for around 1.7°C daytime highs and -8.3°C at night.
Not quite — February is the 3rd coolest month in Great Falls, averaging -3.3°C.
For February in Great Falls, pack warm layers and a jacket for chilly mornings, with typical highs of 1.7°C and lows of -8.3°C.
Relative humidity in February averages 75% — moderately humid.
Average wind speed in February is 3.3 m/s. The windiest February on record averaged 4.5 m/s (1999).
The wettest February on record was 2019 with 57 mm. On average, February sees 22 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Great Falls behaves each February, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for February specifically, along with year-by-year records and how the month has changed over the decades.
