February is one of the cooler months of the year in Sarnia, with average highs near -0.3°C and lows around -8°C (mean -4.1°C). It is one of the drier months, averaging 47 mm of rainfall and 85% relative humidity across the period.
February is one of the cooler months of the year in Sarnia. Across 45 years of records, the warmest Februarys in Sarnia were 1998 and 2024 — when the month averaged 0.8°C — while the coldest was 2015 at -13.3°C. Typical February days reach -0.3°C with nights near -8°C. The long-term February temperature trend is broadly flat.
February is one of the drier months in Sarnia, averaging 47 mm of rainfall. The wettest February on record was 1985 with 94 mm, while the driest was 1987 at 14 mm.
Relative humidity in Sarnia during February averages 85%. The most humid February was 2015 at 93%, and the least humid was 1989 at 76%.
February receives about 2.3 kWh/m²/day of solar energy in Sarnia. The sunniest February was 2024 at 2.9 kWh/m²/day, and the cloudiest were 2010, 2011 and 2013, among others at 2.
Average wind speed in Sarnia during February is 4.4 m/s. The windiest February was 2002 at 5.3 m/s, while the calmest was 1983 at 3.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | -4.6°C | -3.6°C | -4.1°C | -4.7°C | -3.5°C | +1.1°C |
| Avg High | -0.7°C | 0.2°C | -0.2°C | -0.8°C | 0.4°C | +1.1°C |
| Avg Low | -8.5°C | -7.5°C | -7.9°C | -8.6°C | -7.3°C | +1.2°C |
| Avg Rain | 44 mm | 40 mm | 45 mm | 58 mm | 45 mm | +2 mm |
February temperatures in Sarnia have risen by about 0.6°C between 1981–1985 and 2021–2025.
February has ranged from a record low of -30°C (2015) to a record high of 17.6°C (2000).
Rainfall in February is one of the drier months, averaging 47 mm, with a wettest year of 94 mm.
A quieter season to visit Sarnia
If your dates are flexible, the more temperate months of July and August tend to be the most comfortable for visiting Sarnia. That said, February — with days averaging -0.3°C and nights around -8°C (mean -4.1°C) and moderate rainfall (47 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 | -2.1°C | -6.0°C | -9.8°C | 7.4°C | -18.7°C | 56 mm | 89% | 4.1 m/s | 2.4 |
| 2024 | 4.7°C | 0.8°C | -3.1°C | 16.6°C | -7.8°C | 17 mm | 79% | 4.1 m/s | 2.9 |
| 2023 | 2.8°C | -1.5°C | -5.8°C | 13.0°C | -17.8°C | 60 mm | 81% | 4.9 m/s | 2.7 |
| 2022 | -0.6°C | -4.6°C | -8.5°C | 7.9°C | -15.0°C | 62 mm | 84% | 5 m/s | 2.8 |
| 2021 | -2.6°C | -6.3°C | -10.0°C | 7.5°C | -19.7°C | 43 mm | 88% | 4.2 m/s | 2.5 |
| 2020 | 0.2°C | -3.3°C | -6.8°C | 8.1°C | -14.3°C | 35 mm | 84% | 4.7 m/s | 2.3 |
| 2019 | -0.5°C | -4.4°C | -8.3°C | 8.4°C | -19.5°C | 62 mm | 85% | 4.9 m/s | 2.2 |
| 2018 | 1.2°C | -3.0°C | -7.3°C | 15.3°C | -16.3°C | 91 mm | 87% | 4.2 m/s | 2.1 |
| 2017 | 4.5°C | -0.1°C | -4.8°C | 16.5°C | -14.2°C | 60 mm | 84% | 4.6 m/s | 2.5 |
| 2016 | 0.7°C | -3.1°C | -7.0°C | 11.8°C | -21.1°C | 76 mm | 85% | 4.8 m/s | 2.3 |
| 2015 ❄️ | -8.1°C | -13.3°C | -18.4°C | 0.7°C | -30.0°C | 50 mm | 93% | 3.9 m/s | 2.1 |
| 2014 | -5.4°C | -9.9°C | -14.5°C | 2.8°C | -24.0°C | 51 mm | 92% | 3.8 m/s | 2.5 |
| 2013 | -1.2°C | -4.2°C | -7.3°C | 3.0°C | -11.5°C | 56 mm | 83% | 4.8 m/s | 2 |
| 2012 | 2.6°C | -0.6°C | -3.8°C | 7.2°C | -8.6°C | 38 mm | 84% | 4.1 m/s | 2.3 |
| 2011 | -1.5°C | -5.3°C | -9.1°C | 9.9°C | -17.5°C | 59 mm | 89% | 5 m/s | 2 |
| 2010 | -0.7°C | -3.3°C | -5.9°C | 3.9°C | -11.0°C | 31 mm | 86% | 4 m/s | 2 |
| 2009 | 0.8°C | -2.7°C | -6.2°C | 11.6°C | -17.8°C | 64 mm | 86% | 4.8 m/s | 2.1 |
| 2008 | -1.6°C | -5.6°C | -9.6°C | 4.1°C | -18.9°C | 73 mm | 88% | 4.2 m/s | 2 |
| 2007 | -4.9°C | -8.6°C | -12.3°C | 2.3°C | -19.3°C | 19 mm | 89% | 5.1 m/s | 2.2 |
| 2006 | 0.1°C | -3.5°C | -7.1°C | 8.9°C | -16.3°C | 48 mm | 81% | 4.8 m/s | 2.6 |
| 2005 | -0.1°C | -3.3°C | -6.5°C | 5.2°C | -11.3°C | 53 mm | 87% | 3.7 m/s | 2.1 |
| 2004 | 0.2°C | -3.6°C | -7.3°C | 11.4°C | -17.3°C | 17 mm | 88% | 4 m/s | 2.6 |
| 2003 | -2.3°C | -6.8°C | -11.2°C | 6.3°C | -17.6°C | 28 mm | 80% | 4.4 m/s | 2.4 |
| 2002 | 2.7°C | -1.5°C | -5.6°C | 11.7°C | -14.2°C | 49 mm | 82% | 5.3 m/s | 2.6 |
| 2001 | 0.6°C | -3.3°C | -7.1°C | 11.4°C | -13.5°C | 70 mm | 81% | 4.3 m/s | 2.3 |
| 2000 | 2.1°C | -1.8°C | -5.8°C | 17.6°C | -13.6°C | 32 mm | 85% | 4.5 m/s | 2.3 |
| 1999 | 2.9°C | -0.8°C | -4.6°C | 14.7°C | -11.7°C | 34 mm | 79% | 4.5 m/s | 2.1 |
| 1998 🔥 | 4.2°C | 0.8°C | -2.7°C | 11.7°C | -6.5°C | 43 mm | 84% | 3.5 m/s | 2.1 |
| 1997 | 0.9°C | -3.2°C | -7.4°C | 13.3°C | -15.2°C | 69 mm | 86% | 4.2 m/s | 2.3 |
| 1996 | -1.2°C | -4.9°C | -8.6°C | 11.4°C | -21.9°C | 34 mm | 82% | 4.6 m/s | 2 |
| 1995 | -2.6°C | -6.5°C | -10.4°C | 6.9°C | -20.0°C | 21 mm | 83% | 4.9 m/s | 2 |
| 1994 | -2.9°C | -7.2°C | -11.6°C | 13.8°C | -17.8°C | 26 mm | 87% | 4.6 m/s | 2.2 |
| 1993 | -2.6°C | -6.4°C | -10.3°C | 5.2°C | -19.3°C | 29 mm | 85% | 4.1 m/s | 2.1 |
| 1992 | 1.3°C | -2.4°C | -6.1°C | 5.1°C | -13.2°C | 33 mm | 84% | 3.8 m/s | 2.3 |
| 1991 | 1.5°C | -2.1°C | -5.7°C | 8.6°C | -14.5°C | 22 mm | 83% | 4.4 m/s | 2.1 |
| 1990 | 0.5°C | -3.5°C | -7.5°C | 8.3°C | -17.4°C | 87 mm | 84% | 4.6 m/s | 2.4 |
| 1989 | -2.5°C | -5.5°C | -8.6°C | 6.3°C | -15.0°C | 19 mm | 76% | 4.4 m/s | 2.2 |
| 1988 | -1.9°C | -6.4°C | -10.8°C | 5.9°C | -18.6°C | 42 mm | 82% | 4.9 m/s | 2.4 |
| 1987 | 1.1°C | -3.0°C | -7.2°C | 5.4°C | -17.8°C | 14 mm | 82% | 3.8 m/s | 2.4 |
| 1986 | -2.6°C | -6.2°C | -9.8°C | 3.3°C | -17.6°C | 57 mm | 91% | 3.7 m/s | 2.2 |
| 1985 🌧️ | -2.7°C | -7.1°C | -11.4°C | 5.8°C | -23.1°C | 94 mm | 93% | 4.2 m/s | 2.1 |
| 1984 | 3.0°C | -0.9°C | -4.7°C | 14.4°C | -17.2°C | 37 mm | 87% | 4.4 m/s | 2.1 |
| 1983 | 2.3°C | -1.6°C | -5.5°C | 11.4°C | -15.0°C | 30 mm | 83% | 3.4 m/s | — |
| 1982 | -3.8°C | -7.5°C | -11.3°C | 1.2°C | -19.9°C | 24 mm | 92% | 3.9 m/s | — |
| 1981 | 1.0°C | -3.2°C | -7.3°C | 11.3°C | -19.1°C | 80 mm | 89% | 5 m/s | — |
Actual recorded February data for each year, 1981–2025 — sourced from NASA POWER.
The average high in February is around -0.3°C with lows near -8°C (mean -4.1°C), based on 45 years of NASA POWER data.
February averages 47 mm of rainfall in Sarnia, one of the drier months. The wettest on record was 94 mm in 1985.
The hottest February reached 17.6°C in 2000. The coldest dipped to -30°C in 2015.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average February temperatures have risen by about 0.6°C. Daytime highs moved from 0°C to 0.4°C and overnight lows from -8°C to -7.4°C over the same span.
February is one of the cooler months of the year in Sarnia and one of the drier months, so plan for around -0.3°C daytime highs and -8°C at night.
Not quite — February is the 2nd coolest month in Sarnia, averaging -4.1°C.
For February in Sarnia, pack warm layers and a jacket for chilly mornings, with typical highs of -0.3°C and lows of -8°C.
Relative humidity in February averages 85% — quite humid.
Average wind speed in February is 4.4 m/s. The windiest February on record averaged 5.3 m/s (2002).
The wettest February on record was 1985 with 94 mm. On average, February sees 47 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 Sarnia 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.
