Portland, OregonJanuary 1999
North America Region, US
Complete daily temperature records for January 1999 with 29 days of comprehensive weather data.
Avg: 42.3°F
29 Days
29 Records
Monthly Average
42.3°F
January 1999
Highest Day
51.3°F
Lowest Day
35.1°F
Daily Range
16.2°F
Daily Temperature Progression
41°F
1
39°F
2
38°F
3
36°F
4
35°F
5
39°F
6
45°F
7
41°F
8
37°F
9
41°F
11
44°F
12
45°F
13
48°F
15
45°F
16
44°F
17
48°F
18
48°F
19
46°F
20
47°F
21
43°F
22
39°F
23
40°F
24
36°F
25
39°F
26
40°F
27
45°F
28
51°F
29
46°F
30
43°F
31
Weekday
Weekend
Daily Temperature Records
| Date | Day | Temperature | Deviation |
|---|---|---|---|
| 1999-01-01 | Fri | 40.6°F | -1.7°F |
| 1999-01-02 | Sat | 38.7°F | -3.6°F |
| 1999-01-03 | Sun | 37.7°F | -4.6°F |
| 1999-01-04 | Mon | 35.9°F | -6.4°F |
| 1999-01-05 | Tue | 35.1°F | -7.2°F |
| 1999-01-06 | Wed | 39.4°F | -2.9°F |
| 1999-01-07 | Thu | 45.0°F | +2.7°F |
| 1999-01-08 | Fri | 40.6°F | -1.7°F |
| 1999-01-09 | Sat | 36.8°F | -5.5°F |
| 1999-01-11 | Mon | 40.9°F | -1.4°F |
| 1999-01-12 | Tue | 44.0°F | +1.7°F |
| 1999-01-13 | Wed | 45.3°F | +3.0°F |
| 1999-01-15 | Fri | 48.0°F | +5.7°F |
| 1999-01-16 | Sat | 45.1°F | +2.8°F |
| 1999-01-17 | Sun | 44.1°F | +1.8°F |
| 1999-01-18 | Mon | 47.6°F | +5.3°F |
| 1999-01-19 | Tue | 47.5°F | +5.2°F |
| 1999-01-20 | Wed | 46.1°F | +3.8°F |
| 1999-01-21 | Thu | 46.8°F | +4.5°F |
| 1999-01-22 | Fri | 42.5°F | +0.2°F |
| 1999-01-23 | Sat | 39.2°F | -3.1°F |
| 1999-01-24 | Sun | 39.5°F | -2.8°F |
| 1999-01-25 | Mon | 36.4°F | -5.9°F |
| 1999-01-26 | Tue | 38.8°F | -3.5°F |
| 1999-01-27 | Wed | 40.1°F | -2.2°F |
| 1999-01-28 | Thu | 45.4°F | +3.1°F |
| 1999-01-29 | Fri | 51.3°F | +9.0°F |
| 1999-01-30 | Sat | 45.5°F | +3.2°F |
| 1999-01-31 | Sun | 43.0°F | +0.7°F |