SeaTac Weather in June

SeaTac in June sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 12°C (54°F). Moderate rainfall is typical, with around 39 mm (1.5 in) for the month.

Rainfall in SeaTac in June

Typically around 10 days of rainfall are expected, averaging 39 mm (1.5 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in SeaTac in June

SeaTac has excellent weather in June, with days reaching 21°C (70°F) and nights cooling to 12°C (54°F). The difference between afternoon and evening temperatures is usually noticeable. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in SeaTac in June

Enjoy a sunny month with about 269 hours of sunshine, the clear skies make SeaTac even more beautiful.

Wind Speed in SeaTac in June

June sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

If your ideal day consists of dry skies and pleasant temperatures, June, July, August and September typically offer the best circumstances for SeaTac.