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Seattle in November: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Seattle in November is climatically mixed. The average daily high is around 10 °C, and the sea is about 9 °C. With about 20 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
15/100 · #10
Warmth
#9
Dryness
#12
Sun
#10
Sea warmth
#7
Published best categories: none
Seattle · NovemberPhoto: Daniel Schwen · CC BY-SA 4.0Climate facts
- Average high
- 10 °C
- Average low
- 4 °C
- Sea
- 9 °C
- Rainy days (est.)
- 20 rainy days (est.)
- Sun (est.)
- 2 h/day
- Humidity
- 89 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| October | 15 | 7 | 15 | 121 | 2.9 | 84 | 0.8 | 10 | 33 |
| November (selected) | 10 | 4 | 20 | 192 | 1.5 | 89 | 0.9 | 9 | 15 |
| December | 7 | 2 | 20 | 187 | 1.1 | 91 | 0.9 | 9 | 12 |
How do the previous and next months compare?
Baseline: November (15/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| October | +18 | +5.2 °C | +3.3 °C | -4.7 | -70.7 mm | +1.4 h | -5.4 % | -0.1 m/s | +0.8 °C |
| December | -3 | -3.2 °C | -2.2 °C | ±0 | -4.8 mm | -0.4 h | +1.4 % | ±0 m/s | -0.8 °C |
All twelve months in context

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Useful next decisions
Frequently asked questions
How warm is Seattle in November?
The average daily high is around 10 °C, with an average daily low of about 4 °C.
Can you swim in Seattle in November?
The sea is about 9 °C (cold).
Does it rain a lot in Seattle in November?
The curated estimate is about 20 rainy days per month, not a directly measured long-term average. Total precipitation averages around 192 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Seattle?
By the climate score, July, August and September are the strongest months for Seattle. For a beach trip: July and August. November is not among them.