February is one of the cooler months of the year in San Bernardino, with average highs near 18.1°C and lows around 5.4°C (mean 11.8°C). It is a relatively wet time of year, averaging 74 mm of rainfall and 60% relative humidity across the period.
February is one of the cooler months of the year in San Bernardino. Across 45 years of records, the warmest Februarys in San Bernardino were 2015 and 2016 — when the month averaged 16.2°C — while the coldest was 2019 at 7.8°C. Typical February days reach 18.1°C with nights near 5.4°C. The long-term trend is warming, about 0.2°C per decade.
February is a relatively wet time of year in San Bernardino, averaging 74 mm of rainfall. The wettest February on record was 1998 with 283 mm, while the driest was 1984 at 1 mm.
Relative humidity in San Bernardino during February averages 60%. The most humid February was 1998 at 81%, and the least humid was 2016 at 40%.
February receives about 4.2 kWh/m²/day of solar energy in San Bernardino. The sunniest Februarys were 2016 and 2022 at 4.8 kWh/m²/day, and the cloudiest were 1993, 2001 and 2005 at 3.5.
Average wind speed in San Bernardino during February is 1.9 m/s. The windiest Februarys were 1987, 1988 and 2023 at 2.3 m/s, while the calmest was 2015 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.6°C | 11.5°C | 11.4°C | 12.2°C | 12.2°C | +0.6°C |
| Avg High | 18.3°C | 17.6°C | 17.5°C | 18.7°C | 18.7°C | +0.4°C |
| Avg Low | 5.0°C | 5.3°C | 5.3°C | 5.6°C | 5.7°C | +0.7°C |
| Avg Rain | 55 mm | 112 mm | 81 mm | 54 mm | 64 mm | +9 mm |
February temperatures in San Bernardino have risen by about 0.4°C between 1981–1985 and 2021–2025.
February has ranged from a record low of -5°C (1990) to a record high of 30.9°C (2014).
Rainfall in February is a relatively wet time of year, averaging 74 mm, with a wettest year of 283 mm.
A quieter season to visit San Bernardino
If your dates are flexible, the more temperate months of June and October tend to be the most comfortable for visiting San Bernardino. That said, February — with days averaging 18.1°C and nights around 5.4°C (mean 11.8°C) and moderate rainfall (74 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 | 21.0°C | 14.5°C | 8.0°C | 29.1°C | 3.2°C | 73 mm | 58% | 1.8 m/s | 4.3 |
| 2024 | 15.8°C | 11.1°C | 6.4°C | 21.3°C | 0.4°C | 200 mm | 79% | 1.7 m/s | 3.7 |
| 2023 | 14.6°C | 9.0°C | 3.4°C | 21.5°C | -2.0°C | 91 mm | 66% | 2.3 m/s | 4.1 |
| 2022 | 19.9°C | 12.3°C | 4.6°C | 28.1°C | -2.2°C | 7 mm | 46% | 2.2 m/s | 4.8 |
| 2021 | 20.1°C | 12.9°C | 5.7°C | 25.7°C | 2.4°C | 3 mm | 48% | 1.9 m/s | 4.7 |
| 2020 | 20.5°C | 13.4°C | 6.3°C | 27.0°C | -1.2°C | 7 mm | 52% | 1.9 m/s | 4.6 |
| 2019 ❄️ | 12.9°C | 7.8°C | 2.8°C | 17.9°C | -2.7°C | 169 mm | 77% | 2.1 m/s | 4 |
| 2018 | 19.5°C | 12.5°C | 5.4°C | 27.9°C | -2.2°C | 8 mm | 48% | 1.8 m/s | 4.7 |
| 2017 | 16.6°C | 11.7°C | 6.8°C | 24.2°C | 0.0°C | 82 mm | 76% | 1.7 m/s | 3.8 |
| 2016 | 24.3°C | 16.2°C | 8.1°C | 29.6°C | -0.8°C | 11 mm | 40% | 1.9 m/s | 4.8 |
| 2015 🔥 | 23.3°C | 16.2°C | 9.1°C | 28.1°C | 2.7°C | 21 mm | 51% | 1.5 m/s | 4.5 |
| 2014 | 21.6°C | 14.7°C | 7.9°C | 30.9°C | 1.2°C | 61 mm | 52% | 1.7 m/s | 4.4 |
| 2013 | 18.3°C | 11.0°C | 3.7°C | 24.3°C | -1.1°C | 14 mm | 49% | 1.8 m/s | 4.7 |
| 2012 | 18.5°C | 11.6°C | 4.7°C | 27.0°C | 1.1°C | 17 mm | 53% | 1.9 m/s | 4.3 |
| 2011 | 15.5°C | 9.0°C | 2.6°C | 23.5°C | -3.0°C | 72 mm | 65% | 2 m/s | 4.5 |
| 2010 | 16.8°C | 11.1°C | 5.4°C | 24.0°C | 0.2°C | 85 mm | 72% | 1.7 m/s | 4 |
| 2009 | 16.7°C | 10.9°C | 5.0°C | 25.9°C | -1.1°C | 85 mm | 65% | 1.8 m/s | 3.9 |
| 2008 | 17.5°C | 11.0°C | 4.6°C | 24.7°C | -1.5°C | 51 mm | 64% | 1.8 m/s | 4.3 |
| 2007 | 18.5°C | 11.8°C | 5.1°C | 27.5°C | -0.1°C | 28 mm | 56% | 1.9 m/s | 4.2 |
| 2006 | 20.6°C | 13.2°C | 5.8°C | 27.2°C | -2.0°C | 45 mm | 43% | 2 m/s | 4.4 |
| 2005 | 15.7°C | 11.2°C | 6.6°C | 19.8°C | 3.6°C | 171 mm | 78% | 1.9 m/s | 3.5 |
| 2004 | 16.4°C | 10.3°C | 4.2°C | 24.9°C | 0.6°C | 91 mm | 58% | 2 m/s | 4.1 |
| 2003 | 16.9°C | 11.2°C | 5.6°C | 24.1°C | 0.4°C | 115 mm | 62% | 1.8 m/s | 3.9 |
| 2002 | 21.4°C | 13.6°C | 5.9°C | 30.0°C | -0.7°C | 5 mm | 42% | 1.8 m/s | 4.7 |
| 2001 | 14.6°C | 9.4°C | 4.1°C | 27.9°C | -1.1°C | 111 mm | 71% | 2 m/s | 3.5 |
| 2000 | 16.7°C | 11.4°C | 6.2°C | 24.2°C | 1.4°C | 109 mm | 72% | 2.1 m/s | 3.8 |
| 1999 | 19.0°C | 11.8°C | 4.6°C | 26.5°C | -1.6°C | 21 mm | 55% | 1.8 m/s | 4.3 |
| 1998 🌧️ | 14.0°C | 9.2°C | 4.3°C | 18.9°C | 1.1°C | 283 mm | 81% | 2.2 m/s | 3.8 |
| 1997 | 17.8°C | 10.9°C | 4.0°C | 24.9°C | 1.2°C | 11 mm | 59% | 2.1 m/s | 4.3 |
| 1996 | 18.0°C | 12.4°C | 6.7°C | 28.6°C | -1.6°C | 104 mm | 70% | 1.8 m/s | 3.6 |
| 1995 | 20.1°C | 14.0°C | 8.0°C | 26.8°C | 3.3°C | 55 mm | 71% | 1.6 m/s | 4.4 |
| 1994 | 16.0°C | 9.9°C | 3.9°C | 21.9°C | 0.1°C | 103 mm | 61% | 2.1 m/s | 3.9 |
| 1993 | 14.3°C | 9.5°C | 4.7°C | 20.0°C | 1.1°C | 199 mm | 78% | 2 m/s | 3.5 |
| 1992 | 17.6°C | 12.1°C | 6.7°C | 24.3°C | 2.8°C | 151 mm | 70% | 2.2 m/s | 3.7 |
| 1991 | 22.1°C | 14.7°C | 7.3°C | 26.6°C | 3.7°C | 121 mm | 44% | 1.7 m/s | 4.2 |
| 1990 | 16.8°C | 10.0°C | 3.2°C | 26.0°C | -5.0°C | 69 mm | 53% | 2 m/s | 4.2 |
| 1989 | 16.5°C | 10.2°C | 3.9°C | 26.9°C | -4.4°C | 50 mm | 60% | 2 m/s | 3.9 |
| 1988 | 20.4°C | 13.3°C | 6.3°C | 25.3°C | 2.0°C | 30 mm | 50% | 2.3 m/s | 4.1 |
| 1987 | 17.4°C | 10.8°C | 4.3°C | 24.7°C | -1.0°C | 35 mm | 55% | 2.3 m/s | 3.9 |
| 1986 | 18.3°C | 12.0°C | 5.8°C | 30.2°C | -1.8°C | 98 mm | 68% | 2 m/s | 3.9 |
| 1985 | 18.2°C | 10.8°C | 3.4°C | 26.0°C | -4.2°C | 29 mm | 55% | 2 m/s | 4.2 |
| 1984 | 19.1°C | 11.8°C | 4.5°C | 24.8°C | -0.1°C | 1 mm | 45% | 2.1 m/s | 4.2 |
| 1983 | 16.4°C | 10.8°C | 5.3°C | 24.1°C | 0.4°C | 155 mm | 71% | 2 m/s | — |
| 1982 | 18.3°C | 11.8°C | 5.4°C | 26.1°C | 0.7°C | 38 mm | 60% | 1.8 m/s | — |
| 1981 | 20.1°C | 12.9°C | 5.8°C | 28.6°C | 0.4°C | 58 mm | 48% | 2.1 m/s | — |
Actual recorded February data for each year, 1981–2025 — sourced from NASA POWER.
The average high in February is around 18.1°C with lows near 5.4°C (mean 11.8°C), based on 45 years of NASA POWER data.
February averages 74 mm of rainfall in San Bernardino, a relatively wet time of year. The wettest on record was 283 mm in 1998.
The hottest February reached 30.9°C in 2014. The coldest dipped to -5°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average February temperatures have risen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 4.9°C to 5.6°C while daytime highs eased from 18.4°C to 18.3°C, narrowing the gap between day and night.
February is one of the cooler months of the year in San Bernardino and a relatively wet time of year, so plan for around 18.1°C daytime highs and 5.4°C at night.
Not quite — February is the 3rd coolest month in San Bernardino, averaging 11.8°C.
For February in San Bernardino, pack warm layers and a jacket for chilly mornings, with typical highs of 18.1°C and lows of 5.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in February averages 60% — moderately humid.
Average wind speed in February is 1.9 m/s. The windiest February on record averaged 2.3 m/s (1987).
The wettest February on record was 1998 with 283 mm. On average, February sees 74 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 San Bernardino 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.
