Weather in Seattle in tammikuu
Climate normals based on 10 years of historical data for Seattle, Amerikan Yhdysvallat.
Average high
8°C
Average low
3°C
Rainfall
188 mm
18 rainy days
Sunshine
1.8h/day
Kosteus
84%
How Hot Is Seattle in tammikuu?
January stays evenly cool in Seattle — highs of 8°C and lows of 3°C, with little day-night variation.
Sunshine Hours in tammikuu
Wintry darkness dominates Seattle: 1.8h of sun a day, sunrise 7:50 am, sunset 4:45 pm.
Does It Rain In Seattle In tammikuu?
Wet conditions dominate Seattle: 188mm of rain on 18 days.
Is Seattle Humid In tammikuu?
Seattle is sticky and humid throughout January: 84% humidity makes the heat feel relentless.
Does It Snow In Seattle In tammikuu?
Snow lightly dusts Seattle once or twice in January — 1.2 snow days on average.
Wind In Seattle In tammikuu
Breezes around 15 kph in Seattle this January — comfortable for outdoor activity.
Cloud Cover In Seattle In tammikuu
Cloudy skies dominate Seattle in January — averaging 70% cloud cover.
Cities With Similar Weather In tammikuu
Weather in Seattle, month by month
| Month | High / Low | Sade | |
|---|---|---|---|
| Sää tammikuussa | 8°C / 3°C | 188mm | |
| Sää helmikuussa | 8°C / 2°C | 124mm | Details → |
| Sää maaliskuussa | 11°C / 3°C | 109mm | Details → |
| Sää huhtikuussa | 14°C / 5°C | 87mm | Details → |
| Sää toukokuussa | 19°C / 9°C | 55mm | Details → |
| Sää kesäkuussa | 22°C / 11°C | 54mm | Details → |
| Sää heinäkuussa | 26°C / 14°C | 15mm | Details → |
| Sää elokuussa | 26°C / 15°C | 27mm | Details → |
| Sää syyskuussa | 21°C / 12°C | 67mm | Details → |
| Sää lokakuussa | 16°C / 8°C | 134mm | Details → |
| Sää marraskuussa | 10°C / 5°C | 192mm | Details → |
| Sää joulukuussa | 7°C / 3°C | 202mm | Details → |