Portland, MaineMay 1999
North America Region, US
Complete daily temperature records for May 1999 with 31 days of comprehensive weather data.
Avg: 54.7°F
31 Days
31 Records
Monthly Average
54.7°F
May 1999
Highest Day
69.3°F
Lowest Day
47.2°F
Daily Range
22.1°F
Daily Temperature Progression
52°F
1
50°F
2
49°F
3
54°F
4
53°F
5
55°F
6
53°F
7
52°F
8
55°F
9
56°F
10
52°F
11
52°F
12
47°F
13
47°F
14
50°F
15
51°F
16
52°F
17
58°F
18
58°F
19
54°F
20
58°F
21
56°F
22
57°F
23
54°F
24
60°F
25
56°F
26
54°F
27
57°F
28
60°F
29
64°F
30
69°F
31
Weekday
Weekend
Daily Temperature Records
| Date | Day | Temperature | Deviation |
|---|---|---|---|
| 1999-05-01 | Sat | 51.6°F | -3.1°F |
| 1999-05-02 | Sun | 49.9°F | -4.8°F |
| 1999-05-03 | Mon | 49.4°F | -5.3°F |
| 1999-05-04 | Tue | 53.7°F | -1.0°F |
| 1999-05-05 | Wed | 53.2°F | -1.5°F |
| 1999-05-06 | Thu | 54.8°F | +0.1°F |
| 1999-05-07 | Fri | 53.4°F | -1.3°F |
| 1999-05-08 | Sat | 51.8°F | -2.9°F |
| 1999-05-09 | Sun | 55.3°F | +0.6°F |
| 1999-05-10 | Mon | 56.3°F | +1.6°F |
| 1999-05-11 | Tue | 52.3°F | -2.4°F |
| 1999-05-12 | Wed | 51.8°F | -2.9°F |
| 1999-05-13 | Thu | 47.4°F | -7.3°F |
| 1999-05-14 | Fri | 47.2°F | -7.5°F |
| 1999-05-15 | Sat | 50.3°F | -4.4°F |
| 1999-05-16 | Sun | 50.5°F | -4.2°F |
| 1999-05-17 | Mon | 52.4°F | -2.3°F |
| 1999-05-18 | Tue | 57.6°F | +2.9°F |
| 1999-05-19 | Wed | 58.4°F | +3.7°F |
| 1999-05-20 | Thu | 53.7°F | -1.0°F |
| 1999-05-21 | Fri | 58.1°F | +3.4°F |
| 1999-05-22 | Sat | 55.5°F | +0.8°F |
| 1999-05-23 | Sun | 56.8°F | +2.1°F |
| 1999-05-24 | Mon | 53.6°F | -1.1°F |
| 1999-05-25 | Tue | 60.0°F | +5.3°F |
| 1999-05-26 | Wed | 55.6°F | +0.9°F |
| 1999-05-27 | Thu | 54.4°F | -0.3°F |
| 1999-05-28 | Fri | 56.6°F | +1.9°F |
| 1999-05-29 | Sat | 60.2°F | +5.5°F |
| 1999-05-30 | Sun | 63.7°F | +9.0°F |
| 1999-05-31 | Mon | 69.3°F | +14.6°F |