Portland, ME: records
: The hottest day on record in Portland, ME: 103°F on Saturday 2 August 1975 and Tuesday 4 July 1911.
- The record begins
- 1871
All-time records
- The coldest night on record in Portland, ME: a low of -39°F on Tuesday 16 February 1943.
- The wettest day on record in Portland, ME: 11.74 in on Monday 21 October 1996.
- The warmest night on record in Portland, ME: a low of 79°F on Tuesday 4 July 1911.
- The coldest day on record in Portland, ME: a high of -4°F on Tuesday 5 February 1918.
Records by month
| Month | Highest | Lowest | Wettest day |
|---|---|---|---|
| January | 67°F | -26°F | 3.56 in |
| February | 68°F | -39°F | 3.83 in |
| March | 88°F | -21°F | 3.47 in |
| April | 92°F | 8°F | 5.21 in |
| May | 96°F | 23°F | 4.78 in |
| June | 99°F | 33°F | 4.35 in |
| July | 103°F | 40°F , | 4.25 in |
| August | 103°F | 33°F | 7.75 in |
| September | 96°F , , | 23°F | 7.49 in |
| October | 88°F | 15°F | 11.74 in |
| November | 79°F | -6°F | 5.03 in |
| December | 71°F , | -21°F , | 3.50 in , |
Streaks, months and years
- The longest run of days with a high of 90°F or above in Portland, ME: 5 days, from Sunday 29 August to Thursday 2 September 2010.
- The longest run of days with a high of 32°F or below in Portland, ME: 30 days, from Sunday 13 January to Monday 11 February 1918.
- The wettest month on record in Portland, ME: October 1996, with 16.86 in of precipitation.
- The driest month on record in Portland, ME: February 1987, with 0.04 in of precipitation.
- The wettest year on record in Portland, ME: 2005, with 66.40 in of precipitation.
- The driest year on record in Portland, ME: 1957, with 26.35 in of precipitation.
Daily records by decade
- Record highs
- Record lows
Every decade as a table
| Decade | Record highs | Record lows | Years in the record |
|---|---|---|---|
| 1870s | 0 | 0 | 9 |
| 1880s | 0 | 0 | 10 |
| 1890s | 0 | 0 | 10 |
| 1900s | 73 | 90 | 10 |
| 1910s | 92 | 95 | 10 |
| 1920s | 69 | 41 | 10 |
| 1930s | 83 | 28 | 10 |
| 1940s | 99 | 239 | 10 |
| 1950s | 51 | 183 | 10 |
| 1960s | 26 | 102 | 10 |
| 1970s | 36 | 39 | 10 |
| 1980s | 34 | 20 | 10 |
| 1990s | 38 | 7 | 10 |
| 2000s | 27 | 7 | 10 |
| 2010s | 29 | 5 | 10 |
| 2020s | 25 | 1 | 7 |