Portland, MaineDecember 1999
North America Region, US
Complete daily temperature records for December 1999 with 31 days of comprehensive weather data.
Avg: 32.1°F
31 Days
31 Records
Monthly Average
32.1°F
December 1999
Highest Day
49.2°F
Lowest Day
13.3°F
Daily Range
35.9°F
Daily Temperature Progression
26°F
1
33°F
2
38°F
3
40°F
4
43°F
5
49°F
6
47°F
7
40°F
8
31°F
9
35°F
10
39°F
11
39°F
12
39°F
13
39°F
14
35°F
15
39°F
16
36°F
17
29°F
18
22°F
19
25°F
20
42°F
21
32°F
22
25°F
23
22°F
24
14°F
25
24°F
26
23°F
27
13°F
28
21°F
29
34°F
30
24°F
31
Weekday
Weekend
Daily Temperature Records
| Date | Day | Temperature | Deviation |
|---|---|---|---|
| 1999-12-01 | Wed | 26.4°F | -5.7°F |
| 1999-12-02 | Thu | 33.0°F | +0.9°F |
| 1999-12-03 | Fri | 37.7°F | +5.6°F |
| 1999-12-04 | Sat | 40.1°F | +8.0°F |
| 1999-12-05 | Sun | 42.7°F | +10.6°F |
| 1999-12-06 | Mon | 49.2°F | +17.1°F |
| 1999-12-07 | Tue | 47.1°F | +15.0°F |
| 1999-12-08 | Wed | 39.6°F | +7.5°F |
| 1999-12-09 | Thu | 30.5°F | -1.6°F |
| 1999-12-10 | Fri | 34.7°F | +2.6°F |
| 1999-12-11 | Sat | 39.4°F | +7.3°F |
| 1999-12-12 | Sun | 38.8°F | +6.7°F |
| 1999-12-13 | Mon | 38.9°F | +6.8°F |
| 1999-12-14 | Tue | 38.8°F | +6.7°F |
| 1999-12-15 | Wed | 35.4°F | +3.3°F |
| 1999-12-16 | Thu | 38.6°F | +6.5°F |
| 1999-12-17 | Fri | 36.3°F | +4.2°F |
| 1999-12-18 | Sat | 28.8°F | -3.3°F |
| 1999-12-19 | Sun | 22.3°F | -9.8°F |
| 1999-12-20 | Mon | 24.6°F | -7.5°F |
| 1999-12-21 | Tue | 41.5°F | +9.4°F |
| 1999-12-22 | Wed | 31.8°F | -0.3°F |
| 1999-12-23 | Thu | 25.2°F | -6.9°F |
| 1999-12-24 | Fri | 22.2°F | -9.9°F |
| 1999-12-25 | Sat | 13.6°F | -18.5°F |
| 1999-12-26 | Sun | 23.7°F | -8.4°F |
| 1999-12-27 | Mon | 23.1°F | -9.0°F |
| 1999-12-28 | Tue | 13.3°F | -18.8°F |
| 1999-12-29 | Wed | 20.8°F | -11.3°F |
| 1999-12-30 | Thu | 34.0°F | +1.9°F |
| 1999-12-31 | Fri | 23.9°F | -8.2°F |