When to go · SeaTac
SeaTac in June
Great month. Inside SeaTac's best window: May–Oct (mild weather, fewer rain days).
Key facts
- Verdict
- Great
- Temperature
- 23°C (73°F)73°F (23°C) / 12°C (54°F)54°F (12°C)
- average high / low
- Rain days
- 5
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside SeaTac's best window: May–Oct (mild weather, fewer rain days).
Is another month better than June?
No other month rates higher than June for SeaTac in this guide.
Weather in June
- SeaTacHighs around 23 °C (73 °F), lows around 12 °C (54 °F), rain on about 5 daysHighs around 73 °F (23 °C), lows around 54 °F (12 °C), rain on about 5 days
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in SeaTac, side by side.
Verdict
Jun: Great
May: Great
Daytime high
Jun: 23 °C (73 °F)73 °F (23 °C)
May: 19 °C (66 °F)66 °F (19 °C)
Night low
Jun: 12 °C (54 °F)54 °F (12 °C)
May: 9 °C (48 °F)48 °F (9 °C)
Rain days
Jun: 5 (better)
May: 6
Crowds
Jun: High
May: Medium
Prices
Jun: High
May: Medium
Festivals listed
Jun: 0
May: 1
June: Inside SeaTac's best window: May–Oct (mild weather, fewer rain days).
May: Inside SeaTac's best window: May–Oct (mild weather, fewer rain days).
SeaTac: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings