February is one of the cooler months of the year in Santa Rosa, with average highs near 14°C and lows around 4.2°C (mean 9.1°C). It is a relatively wet time of year, averaging 132 mm of rainfall and 83% relative humidity across the period.
February is one of the cooler months of the year in Santa Rosa. Across 45 years of records, the warmest February in Santa Rosa was 1991 — when the month averaged 12.3°C — while the coldest were 1989 and 2019 at 6.6°C. Typical February days reach 14°C with nights near 4.2°C. The long-term February temperature trend is broadly flat.
February is a relatively wet time of year in Santa Rosa, averaging 132 mm of rainfall. The wettest February on record was 1998 with 407 mm, while the driest was 2020 at 0 mm.
Relative humidity in Santa Rosa during February averages 83%. The most humid February was 1998 at 91%, and the least humid was 2018 at 69%.
February receives about 3.3 kWh/m²/day of solar energy in Santa Rosa. The sunniest Februarys were 2020 and 2022 at 4.2 kWh/m²/day, and the cloudiest was 1998 at 2.3.
Average wind speed in Santa Rosa during February is 1.6 m/s. The windiest Februarys were 1986 and 2019 at 2.1 m/s, while the calmest was 1995 at 1.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.9°C | 9.1°C | 8.8°C | 9.3°C | 9.3°C | +0.4°C |
| Avg High | 14.0°C | 13.9°C | 13.4°C | 14.3°C | 14.7°C | +0.7°C |
| Avg Low | 3.9°C | 4.3°C | 4.2°C | 4.3°C | 4.0°C | +0.1°C |
| Avg Rain | 131 mm | 160 mm | 143 mm | 125 mm | 82 mm | -49 mm |
February temperatures in Santa Rosa have stayed relatively stable across the record.
February has ranged from a record low of -5.8°C (1989) to a record high of 24°C (2018).
Rainfall in February is a relatively wet time of year, averaging 132 mm, with a wettest year of 407 mm.
A quieter season to visit Santa Rosa
If your dates are flexible, the more temperate months of September and July tend to be the most comfortable for visiting Santa Rosa. That said, February — with days averaging 14°C and nights around 4.2°C (mean 9.1°C) and higher rainfall (132 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 | 14.0°C | 9.3°C | 4.7°C | 20.3°C | -0.6°C | 200 mm | 86% | 1.6 m/s | 3.1 |
| 2024 | 13.6°C | 9.4°C | 5.3°C | 18.7°C | 1.6°C | 170 mm | 89% | 1.6 m/s | 2.8 |
| 2023 | 11.8°C | 6.7°C | 1.6°C | 18.0°C | -1.4°C | 87 mm | 82% | 1.7 m/s | 3.3 |
| 2022 | 16.1°C | 9.7°C | 3.3°C | 21.6°C | -1.5°C | 1 mm | 75% | 1.7 m/s | 4.2 |
| 2021 | 15.9°C | 9.9°C | 4.0°C | 20.0°C | 1.3°C | 35 mm | 73% | 1.8 m/s | 3.8 |
| 2020 | 16.9°C | 10.9°C | 4.9°C | 22.1°C | -0.2°C | 0 mm | 71% | 1.7 m/s | 4.2 |
| 2019 | 10.5°C | 6.6°C | 2.7°C | 13.6°C | -1.3°C | 331 mm | 87% | 2.1 m/s | 2.8 |
| 2018 | 15.8°C | 9.9°C | 4.0°C | 24.0°C | -2.7°C | 15 mm | 69% | 1.9 m/s | 4.1 |
| 2017 | 12.6°C | 8.9°C | 5.2°C | 16.8°C | -0.4°C | 293 mm | 89% | 1.8 m/s | 2.8 |
| 2016 | 16.9°C | 11.4°C | 5.8°C | 21.1°C | 1.2°C | 24 mm | 79% | 1.5 m/s | 3.6 |
| 2015 | 17.3°C | 11.9°C | 6.5°C | 20.4°C | 2.1°C | 90 mm | 82% | 1.6 m/s | 3.5 |
| 2014 | 14.9°C | 10.1°C | 5.3°C | 21.0°C | -0.7°C | 214 mm | 82% | 1.4 m/s | 3 |
| 2013 | 14.5°C | 8.4°C | 2.2°C | 18.8°C | -0.5°C | 8 mm | 79% | 1.5 m/s | 4.1 |
| 2012 | 14.8°C | 9.2°C | 3.6°C | 22.3°C | -1.3°C | 39 mm | 75% | 1.6 m/s | 3.6 |
| 2011 | 12.5°C | 7.3°C | 2.0°C | 20.4°C | -2.9°C | 126 mm | 80% | 1.8 m/s | 3.5 |
| 2010 | 13.5°C | 9.5°C | 5.5°C | 18.6°C | 1.6°C | 114 mm | 90% | 1.2 m/s | 2.7 |
| 2009 | 12.8°C | 8.4°C | 3.9°C | 18.1°C | -1.8°C | 232 mm | 84% | 1.7 m/s | 2.8 |
| 2008 | 13.5°C | 8.6°C | 3.6°C | 19.2°C | -0.1°C | 87 mm | 84% | 1.5 m/s | 3.4 |
| 2007 | 13.3°C | 8.9°C | 4.5°C | 19.6°C | -0.2°C | 177 mm | 87% | 1.6 m/s | 2.9 |
| 2006 | 14.0°C | 8.9°C | 3.8°C | 18.5°C | -1.8°C | 96 mm | 83% | 1.6 m/s | 3.5 |
| 2005 | 14.3°C | 10.1°C | 6.0°C | 17.2°C | 1.3°C | 107 mm | 87% | 1.3 m/s | 2.7 |
| 2004 | 12.7°C | 8.5°C | 4.2°C | 15.5°C | -0.4°C | 209 mm | 87% | 1.6 m/s | 2.9 |
| 2003 | 13.6°C | 8.4°C | 3.1°C | 17.5°C | -1.3°C | 54 mm | 82% | 1.5 m/s | 3.5 |
| 2002 | 14.5°C | 9.3°C | 4.1°C | 18.4°C | -0.5°C | 47 mm | 84% | 1.4 m/s | 3.5 |
| 2001 | 12.1°C | 7.7°C | 3.3°C | 21.9°C | -0.5°C | 174 mm | 84% | 1.8 m/s | 3.1 |
| 2000 | 12.9°C | 9.4°C | 5.9°C | 16.6°C | 0.2°C | 245 mm | 91% | 1.7 m/s | 2.4 |
| 1999 | 12.1°C | 7.5°C | 3.0°C | 16.2°C | -2.8°C | 213 mm | 86% | 1.6 m/s | 2.8 |
| 1998 🌧️ | 11.7°C | 8.2°C | 4.8°C | 15.1°C | 1.1°C | 407 mm | 91% | 1.8 m/s | 2.3 |
| 1997 | 14.4°C | 9.0°C | 3.6°C | 18.5°C | 0.1°C | 10 mm | 81% | 1.6 m/s | 3.7 |
| 1996 | 13.8°C | 10.0°C | 6.3°C | 20.1°C | -1.9°C | 224 mm | 90% | 1.6 m/s | 2.9 |
| 1995 | 16.0°C | 11.0°C | 6.0°C | 22.4°C | -1.5°C | 17 mm | 86% | 1.1 m/s | 3.2 |
| 1994 | 12.6°C | 7.6°C | 2.7°C | 18.7°C | -2.4°C | 146 mm | 82% | 1.5 m/s | 3.3 |
| 1993 | 12.1°C | 7.8°C | 3.5°C | 16.5°C | -0.3°C | 194 mm | 88% | 1.6 m/s | 2.8 |
| 1992 | 14.7°C | 10.2°C | 5.8°C | 20.5°C | 0.7°C | 208 mm | 86% | 1.7 m/s | 3.3 |
| 1991 🔥 | 18.7°C | 12.3°C | 5.9°C | 22.9°C | 3.8°C | 108 mm | 71% | 1.4 m/s | 3.5 |
| 1990 | 12.7°C | 7.2°C | 1.6°C | 20.1°C | -3.1°C | 76 mm | 81% | 1.6 m/s | 3.6 |
| 1989 ❄️ | 12.0°C | 6.6°C | 1.1°C | 19.9°C | -5.8°C | 31 mm | 78% | 1.4 m/s | 3.5 |
| 1988 | 16.0°C | 9.9°C | 3.9°C | 19.8°C | -1.6°C | 18 mm | 77% | 1.6 m/s | 3.6 |
| 1987 | 14.7°C | 9.1°C | 3.5°C | 20.7°C | -1.6°C | 119 mm | 77% | 1.6 m/s | 3.5 |
| 1986 | 14.5°C | 10.4°C | 6.4°C | 22.0°C | -1.7°C | 382 mm | 87% | 2.1 m/s | 2.9 |
| 1985 | 15.0°C | 9.0°C | 3.1°C | 20.6°C | -2.1°C | 74 mm | 77% | 1.6 m/s | 3.8 |
| 1984 | 13.2°C | 8.2°C | 3.2°C | 17.3°C | -0.6°C | 60 mm | 85% | 1.4 m/s | 3 |
| 1983 | 13.0°C | 9.3°C | 5.6°C | 18.7°C | -0.8°C | 304 mm | 89% | 1.7 m/s | — |
| 1982 | 13.4°C | 8.7°C | 4.0°C | 20.1°C | -2.7°C | 135 mm | 83% | 1.5 m/s | — |
| 1981 | 14.4°C | 9.3°C | 4.1°C | 21.0°C | -0.2°C | 58 mm | 81% | 1.4 m/s | — |
Actual recorded February data for each year, 1981–2025 — sourced from NASA POWER.
The average high in February is around 14°C with lows near 4.2°C (mean 9.1°C), based on 45 years of NASA POWER data.
February averages 132 mm of rainfall in Santa Rosa, a relatively wet time of year. The wettest on record was 407 mm in 1998.
The hottest February reached 24°C in 2018. The coldest dipped to -5.8°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average February temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Daytime highs rose from 13.8°C to 14.3°C while overnight lows fell from 4°C to 3.8°C, widening the gap between day and night.
February is one of the cooler months of the year in Santa Rosa and a relatively wet time of year, so plan for around 14°C daytime highs and 4.2°C at night.
Not quite — February is the 3rd coolest month in Santa Rosa, averaging 9.1°C.
For February in Santa Rosa, pack warm layers and a jacket for chilly mornings, with typical highs of 14°C and lows of 4.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in February averages 83% — quite humid.
Average wind speed in February is 1.6 m/s. The windiest February on record averaged 2.1 m/s (1986).
The wettest February on record was 1998 with 407 mm. On average, February sees 132 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 Santa Rosa 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.
