All-time weather records — Alexandria Bay, NY
Climate change signal in Alexandria Bay
of Alexandria Bay's all-time daily heat records were set in the last decade (351 of 366 records since 2015).
of all-time daily cold records were set in the last decade (350 of 366 records since 2015).
If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:
| Decade | Heat records set | # | Cold records set | # |
|---|---|---|---|---|
| 1940s | 15 | 16 | ||
| 1950s | · | · | ||
| 1960s | · | · | ||
| 1970s | · | · | ||
| 2010s | 8 | 47 | ||
| 2020s | 343 | 303 |
Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1941, the latest in 2026. Period of observation: 1941-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 61.0°F — Jan 12, 2020 | -29.9°F — Jan 24, 2026 | 2.00 in — Jan 1, 2022 |
| February | 68.0°F — Feb 27, 2024 | -29.0°F — Feb 4, 2023 | 3.40 in — Feb 14, 1971 |
| March | 72.0°F — Mar 26, 2021 | -9.9°F — Mar 1, 2022 | 2.00 in — Mar 3, 2020 |
| April | 87.1°F — Apr 11, 2021 | 18.0°F — Apr 2, 2023 | 3.00 in — Apr 4, 2023 |
| May | 90.0°F — May 25, 2021 | 26.1°F — May 9, 2020 | 2.50 in — May 1, 2023 |
| June | 93.0°F — Jun 26, 2025 | 35.1°F — Jun 1, 2020 | 2.30 in — Jun 24, 1948 |
| July | 96.1°F — Jul 8, 2020 | 46.0°F — Jul 22, 2025 | 4.20 in — Jul 5, 1951 |
| August | 96.1°F — Aug 13, 2025 | 45.0°F — Aug 31, 2023 | 3.16 in — Aug 5, 1959 |
| September | 88.0°F — Sep 18, 2021 | 32.0°F — Sep 19, 2020 | 3.65 in — Sep 14, 1979 |
| October | 84.0°F — Oct 6, 2025 | 19.9°F — Oct 31, 2020 | 3.50 in — Oct 30, 2017 |
| November | 78.1°F — Nov 6, 2022 | -4.0°F — Nov 13, 2019 | 2.25 in — Nov 1, 2019 |
| December | 66.0°F — Dec 17, 2021 | -8.0°F — Dec 20, 2019 | 2.54 in — Dec 25, 2020 |
Click a month to see every daily record for that month in Alexandria Bay.