Across the year
Climate around Seattle, WA (city)
Long-term monthly averages help you compare seasons. A weather station describes its own site, not every street or home nearby.
SEATTLE TACOMA INTL AP, WA US
1991–2020 · Station monthly normal for 1991–2020; not a citywide average or forecast
Station/reference coordinates: 47.4444000, -122.3139000.
| Month | Temperature | Precipitation | Snowfall |
|---|---|---|---|
| January | 42.8 °FClimate Normal | 5.8 inchesClimate Normal | 1.8 inchesClimate Normal |
| February | 44.0 °FClimate Normal | 3.8 inchesClimate Normal | 2.2 inchesClimate Normal |
| March | 47.1 °FClimate Normal | 4.2 inchesClimate Normal | 0.4 inchesClimate Normal |
| April | 51.3 °FClimate Normal | 3.2 inchesClimate Normal | 0.0 inchesClimate Normal |
| May | 57.5 °FClimate Normal | 1.9 inchesClimate Normal | 0.0 inchesClimate Normal |
| June | 62.0 °FClimate Normal | 1.5 inchesClimate Normal | 0.0 inchesClimate Normal |
| July | 67.1 °FClimate Normal | 0.6 inchesClimate Normal | 0.0 inchesClimate Normal |
| August | 67.4 °FClimate Normal | 1.0 inchesClimate Normal | 0.0 inchesClimate Normal |
| September | 62.6 °FClimate Normal | 1.6 inchesClimate Normal | 0.0 inchesClimate Normal |
| October | 53.8 °FClimate Normal | 3.9 inchesClimate Normal | 0.0 inchesClimate Normal |
| November | 46.5 °FClimate Normal | 6.3 inchesClimate Normal | 0.2 inchesClimate Normal |
| December | 42.0 °FClimate Normal | 5.7 inchesClimate Normal | 1.7 inchesClimate Normal |
Source: NOAA NCEI U.S. Climate Normals 1991–2020. Ten station series selected and reformatted by LivingCost. Not a forecast or NOAA endorsement. · Source · Reuse terms
Plan for seasonal costs
A climate average cannot tell you a home's heating or cooling bill. Insulation, floor area, heating system, tariffs and how you use the home all matter.
Try your own monthly adjustments
Use a previous bill or a supplier quote for an address you are considering. The adjustments are your scenario, not an energy forecast.