March is one of the cooler months of the year in Spokane, with average highs near 8.7°C and lows around -1.7°C (mean 3.5°C). It is a relatively wet time of year, averaging 59 mm of rainfall and 78% relative humidity across the period.
March is one of the cooler months of the year in Spokane. Across 45 years of records, the warmest March in Spokane was 1992 — when the month averaged 7.2°C — while the coldest was 2002 at 0.2°C. Typical March days reach 8.7°C with nights near -1.7°C. The long-term March temperature trend is broadly flat.
March is a relatively wet time of year in Spokane, averaging 59 mm of rainfall. The wettest March on record was 2017 with 125 mm, while the driest was 1992 at 16 mm.
Relative humidity in Spokane during March averages 78%. The most humid March was 2017 at 86%, and the least humid was 2005 at 71%.
March receives about 3.2 kWh/m²/day of solar energy in Spokane. The sunniest Marchs were 1992 and 2019 at 3.9 kWh/m²/day, and the cloudiest was 2017 at 2.4.
Average wind speed in Spokane during March is 2.2 m/s. The windiest March was 2012 at 3 m/s, while the calmest was 1992 at 1.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.5°C | 3.4°C | 3.2°C | 3.7°C | 3.7°C | +0.2°C |
| Avg High | 8.6°C | 8.8°C | 8.3°C | 8.8°C | 9.0°C | +0.4°C |
| Avg Low | -1.6°C | -2.0°C | -2.0°C | -1.4°C | -1.6°C | 0°C |
| Avg Rain | 66 mm | 48 mm | 56 mm | 75 mm | 44 mm | -21 mm |
March temperatures in Spokane have risen by about 0.4°C between 1981–1985 and 2021–2025.
March has ranged from a record low of -21.4°C (2019) to a record high of 22.1°C (2025).
Rainfall in March is a relatively wet time of year, averaging 59 mm, with a wettest year of 125 mm.
A good time to visit Spokane
March is a good time to visit Spokane, with days averaging 8.7°C and nights around -1.7°C (mean 3.5°C, cooler than Spokane's yearly average) and moderate rainfall. July and August are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 9.8°C | 4.8°C | -0.1°C | 22.1°C | -4.2°C | 79 mm | 83% | 2.5 m/s | 3 |
| 2024 | 9.9°C | 4.4°C | -1.1°C | 20.0°C | -6.4°C | 41 mm | 76% | 2 m/s | 3.4 |
| 2023 | 6.6°C | 1.6°C | -3.4°C | 13.2°C | -9.5°C | 43 mm | 79% | 2.2 m/s | 3.1 |
| 2022 | 9.7°C | 4.6°C | -0.5°C | 19.4°C | -6.2°C | 51 mm | 77% | 2.1 m/s | 3.3 |
| 2021 | 9.8°C | 3.9°C | -1.9°C | 16.4°C | -4.6°C | 18 mm | 74% | 2.1 m/s | 3.6 |
| 2020 | 8.0°C | 2.8°C | -2.5°C | 14.3°C | -11.7°C | 33 mm | 74% | 2.5 m/s | 3.2 |
| 2019 | 7.3°C | 1.1°C | -5.0°C | 19.5°C | -21.4°C | 21 mm | 81% | 1.8 m/s | 3.9 |
| 2018 | 8.4°C | 3.2°C | -2.1°C | 16.3°C | -6.1°C | 46 mm | 80% | 2.3 m/s | 3.2 |
| 2017 🌧️ | 8.1°C | 3.8°C | -0.5°C | 15.2°C | -5.0°C | 125 mm | 86% | 2.5 m/s | 2.4 |
| 2016 | 10.1°C | 4.9°C | -0.3°C | 18.1°C | -4.0°C | 101 mm | 78% | 2.6 m/s | 3.1 |
| 2015 | 12.1°C | 6.5°C | 1.0°C | 20.5°C | -6.7°C | 71 mm | 74% | 2.1 m/s | 3.4 |
| 2014 | 7.8°C | 2.9°C | -2.1°C | 12.4°C | -16.0°C | 93 mm | 79% | 2.5 m/s | 3.1 |
| 2013 | 9.3°C | 4.1°C | -1.1°C | 19.3°C | -5.0°C | 34 mm | 77% | 2.2 m/s | 3.2 |
| 2012 | 7.3°C | 2.8°C | -1.7°C | 15.3°C | -5.2°C | 125 mm | 82% | 3 m/s | 2.6 |
| 2011 | 7.1°C | 2.9°C | -1.4°C | 15.0°C | -3.7°C | 94 mm | 85% | 2.5 m/s | 2.7 |
| 2010 | 10.2°C | 4.5°C | -1.3°C | 16.9°C | -5.0°C | 43 mm | 75% | 2.2 m/s | 3.5 |
| 2009 | 5.4°C | 0.7°C | -4.1°C | 14.3°C | -17.1°C | 87 mm | 80% | 2.4 m/s | 3.1 |
| 2008 | 6.0°C | 1.4°C | -3.1°C | 11.3°C | -5.4°C | 59 mm | 80% | 2.1 m/s | 3 |
| 2007 | 10.1°C | 4.6°C | -0.9°C | 15.5°C | -9.2°C | 47 mm | 79% | 2.2 m/s | 3 |
| 2006 | 7.3°C | 2.7°C | -1.9°C | 14.8°C | -6.7°C | 41 mm | 81% | 2.2 m/s | 2.8 |
| 2005 | 11.1°C | 5.4°C | -0.3°C | 16.9°C | -3.2°C | 67 mm | 71% | 2.4 m/s | 3.5 |
| 2004 | 11.7°C | 5.6°C | -0.5°C | 19.6°C | -4.2°C | 30 mm | 74% | 2.4 m/s | 3.4 |
| 2003 | 8.6°C | 4.1°C | -0.4°C | 18.5°C | -5.3°C | 74 mm | 80% | 2.5 m/s | 2.7 |
| 2002 ❄️ | 4.8°C | 0.2°C | -4.5°C | 12.7°C | -13.8°C | 50 mm | 81% | 2.6 m/s | 2.7 |
| 2001 | 9.7°C | 3.8°C | -2.0°C | 18.4°C | -4.9°C | 43 mm | 76% | 2.2 m/s | 3.3 |
| 2000 | 8.1°C | 3.1°C | -1.9°C | 15.4°C | -3.8°C | 64 mm | 80% | 2.1 m/s | 3.2 |
| 1999 | 8.1°C | 3.1°C | -1.8°C | 19.2°C | -4.8°C | 31 mm | 80% | 2.3 m/s | 3.1 |
| 1998 | 8.3°C | 3.6°C | -1.1°C | 16.5°C | -6.8°C | 51 mm | 81% | 1.9 m/s | 3.2 |
| 1997 | 6.8°C | 2.3°C | -2.2°C | 15.9°C | -11.8°C | 90 mm | 83% | 2.6 m/s | 3.1 |
| 1996 | 7.0°C | 1.5°C | -4.0°C | 14.3°C | -14.9°C | 46 mm | 78% | 2.2 m/s | 3.2 |
| 1995 | 8.6°C | 3.1°C | -2.4°C | 18.2°C | -11.7°C | 78 mm | 77% | 2.3 m/s | 3.4 |
| 1994 | 10.6°C | 4.5°C | -1.6°C | 20.5°C | -5.7°C | 26 mm | 73% | 2.1 m/s | 3.6 |
| 1993 | 8.1°C | 2.9°C | -2.2°C | 14.4°C | -7.4°C | 49 mm | 81% | 1.9 m/s | 3.2 |
| 1992 🔥 | 14.0°C | 7.2°C | 0.5°C | 20.1°C | -4.0°C | 16 mm | 71% | 1.5 m/s | 3.9 |
| 1991 | 7.1°C | 2.2°C | -2.7°C | 19.2°C | -6.0°C | 65 mm | 78% | 2.2 m/s | 3.2 |
| 1990 | 9.8°C | 3.9°C | -2.0°C | 18.8°C | -6.8°C | 27 mm | 75% | 1.9 m/s | 3.8 |
| 1989 | 6.1°C | 1.3°C | -3.5°C | 13.7°C | -21.3°C | 104 mm | 83% | 2.3 m/s | 2.9 |
| 1988 | 8.5°C | 3.3°C | -1.9°C | 15.1°C | -5.3°C | 64 mm | 74% | 2.6 m/s | 3.3 |
| 1987 | 9.2°C | 4.2°C | -0.8°C | 18.0°C | -6.2°C | 73 mm | 77% | 2.2 m/s | 3.3 |
| 1986 | 10.8°C | 5.1°C | -0.5°C | 16.8°C | -3.4°C | 47 mm | 80% | 2 m/s | 3.3 |
| 1985 | 6.3°C | 1.3°C | -3.7°C | 14.4°C | -10.6°C | 45 mm | 80% | 1.9 m/s | 3.7 |
| 1984 | 8.9°C | 4.2°C | -0.5°C | 15.4°C | -4.3°C | 61 mm | 83% | 2 m/s | 3.1 |
| 1983 | 9.5°C | 4.7°C | 0.0°C | 13.9°C | -4.8°C | 86 mm | 81% | 2.3 m/s | — |
| 1982 | 7.0°C | 2.3°C | -2.4°C | 14.6°C | -5.1°C | 60 mm | 81% | 2.4 m/s | — |
| 1981 | 10.9°C | 5.0°C | -0.9°C | 16.9°C | -4.0°C | 48 mm | 75% | 2.1 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 8.7°C with lows near -1.7°C (mean 3.5°C), based on 45 years of NASA POWER data.
March averages 59 mm of rainfall in Spokane, a relatively wet time of year. The wettest on record was 125 mm in 2017.
The hottest March reached 22.1°C in 2025. The coldest dipped to -21.4°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have risen by about 0.4°C. Daytime highs moved from 8.5°C to 9.2°C and overnight lows from -1.5°C to -1.4°C over the same span.
March is one of the cooler months of the year in Spokane and a relatively wet time of year, so plan for around 8.7°C daytime highs and -1.7°C at night.
Not quite — March is the 5th coolest month in Spokane, averaging 3.5°C.
For March in Spokane, pack warm layers and a jacket for chilly mornings, with typical highs of 8.7°C and lows of -1.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in March averages 78% — quite humid.
Average wind speed in March is 2.2 m/s. The windiest March on record averaged 3 m/s (2012).
The wettest March on record was 2017 with 125 mm. On average, March sees 59 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 Spokane behaves each March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
