Portland, MaineDecember 2009
North America Region, US
Complete daily temperature records for December 2009 with 31 days of comprehensive weather data.
Avg: 29.4°F
31 Days
31 Records
Monthly Average
29.4°F
December 2009
Highest Day
53.6°F
Lowest Day
11.8°F
Daily Range
41.8°F
Daily Temperature Progression
36°F
1
38°F
2
54°F
3
49°F
4
38°F
5
33°F
6
30°F
7
30°F
8
31°F
9
35°F
10
27°F
11
24°F
12
27°F
13
35°F
14
38°F
15
28°F
16
15°F
17
12°F
18
17°F
19
22°F
20
24°F
21
26°F
22
18°F
23
32°F
24
28°F
25
29°F
26
44°F
27
35°F
28
25°F
29
12°F
30
22°F
31
Weekday
Weekend
Daily Temperature Records
| Date | Day | Temperature | Deviation |
|---|---|---|---|
| 2009-12-01 | Tue | 35.6°F | +6.2°F |
| 2009-12-02 | Wed | 38.3°F | +8.9°F |
| 2009-12-03 | Thu | 53.6°F | +24.2°F |
| 2009-12-04 | Fri | 48.5°F | +19.1°F |
| 2009-12-05 | Sat | 37.5°F | +8.1°F |
| 2009-12-06 | Sun | 32.6°F | +3.2°F |
| 2009-12-07 | Mon | 30.1°F | +0.7°F |
| 2009-12-08 | Tue | 30.4°F | +1.0°F |
| 2009-12-09 | Wed | 30.6°F | +1.2°F |
| 2009-12-10 | Thu | 35.2°F | +5.8°F |
| 2009-12-11 | Fri | 27.0°F | -2.4°F |
| 2009-12-12 | Sat | 23.8°F | -5.6°F |
| 2009-12-13 | Sun | 26.5°F | -2.9°F |
| 2009-12-14 | Mon | 34.9°F | +5.5°F |
| 2009-12-15 | Tue | 38.1°F | +8.7°F |
| 2009-12-16 | Wed | 28.1°F | -1.3°F |
| 2009-12-17 | Thu | 14.7°F | -14.7°F |
| 2009-12-18 | Fri | 11.8°F | -17.6°F |
| 2009-12-19 | Sat | 17.3°F | -12.1°F |
| 2009-12-20 | Sun | 21.9°F | -7.5°F |
| 2009-12-21 | Mon | 24.1°F | -5.3°F |
| 2009-12-22 | Tue | 26.2°F | -3.2°F |
| 2009-12-23 | Wed | 18.2°F | -11.2°F |
| 2009-12-24 | Thu | 32.2°F | +2.8°F |
| 2009-12-25 | Fri | 27.8°F | -1.6°F |
| 2009-12-26 | Sat | 29.1°F | -0.3°F |
| 2009-12-27 | Sun | 43.6°F | +14.2°F |
| 2009-12-28 | Mon | 35.3°F | +5.9°F |
| 2009-12-29 | Tue | 24.7°F | -4.7°F |
| 2009-12-30 | Wed | 12.4°F | -17.0°F |
| 2009-12-31 | Thu | 22.4°F | -7.0°F |