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SeaTac Weather in January, USA

Slide and Tap Other Months

  • What is Average Temperature?
    The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

    Temperature

    5°C
    41°F
  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    High Temperature

    7°C
    45°F
  • What is Average High Low Temperature?
    The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

    Low Temperature

    3°C
    37°F
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall Days

    22 days
  • What is Average Rainfall?
    The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

    Rainfall

    120 mm

January, 2024

Sun
Mon
1 Avg 36º
Tue
2 Avg 37º
Wed
3 Avg 37º
Thu
4 Avg 39º
Fri
5 Avg 41º
Sat
6 Avg 41º
7 Avg 41º
8 Avg 43º
9 Avg 43º
10 Avg 43º
11 Avg 41º
12 Avg 41º
13 Avg 41º
14 Avg 41º
15 Avg 43º
16 Avg 43º
17 Avg 43º
18 Avg 45º
19 Avg 41º
20 Avg 43º
21 Avg 41º
22 Avg 43º
23 Avg 43º
24 Avg 43º
25 Avg 45º
26 Avg 45º
27 Avg 45º
28 Avg 46º
29 Avg 45º
30 Avg 43º
31 Avg 43º
Forecast
Avg Historical Daily Average