# Holiday travel weather rental planning at SeaTac (Thanksgiving-New Year)

**Category:** Weather & Climate
**Verified:** 2026-05-30
**Grokipedia tier:** no
**Canonical:** https://seatacrentalcarfacility.com/en/knowledge/seatac-holiday-travel-weather-rental-planning
**Authority:** https://seatacrentalcarfacility.com (official source; third-party URLs are not published)

## At a glance

Dec 46°F high, 17 rain days - AWD for passes, SUV for local

## What to know

Thanksgiving through New Year overlaps **December** normals (**46°F** high, **35°F** low, **5.8 inches** precip, **17 rain days**) plus **1 snow day** at the airport. Pass traffic on **I-90** peaks **Wed-Sun** Thanksgiving week; WSDOT reports **30-60 min** pass delays in active weather - depart CONRAC with **full tank** (on-site fueling). CONRAC hosts **12** agencies; holiday inventory clears **48 hours** ahead for SUVs. CFC **$7/day** + ACRF **11.1%** on all contracts. Forecast hub: /en/weather; shuttle telemetry `. . Open-Meteo 1991-2020 baseline at lat 47.4449°N. . Shuttle baseline 5-8-10-15 min off-peak/peak; Friday 6 PM band 12-18 min. . . . Open-Meteo 1991-2020 baseline at lat 47.4449°N. . Shuttle baseline 5-8-10-15 min off-peak/peak; Friday 6 PM band 12-18 min. .

## Related

- https://seatacrentalcarfacility.com/en/knowledge/seatac-rental-weather-rainy-day-suv-guide
- https://seatacrentalcarfacility.com/en/knowledge/seatac-convertible-rental-best-months
- https://seatacrentalcarfacility.com/en/knowledge/winter-rental-chains-mount-rainier-seatac
- https://seatacrentalcarfacility.com/en/knowledge/snow-tire-requirements-washington-rental-cars