Over the last 365 complete days, the highest daily maximum at Wellington was 25°C on Jan 8 2026 and the lowest was 9°C on Aug 5 2026. The observed high is the highest temperature in the airport's own METAR reports during the local calendar day. Updated twice a day.
The first check appears after the first archived day ends.
Scorecard appears after 7 checked days (0/7 so far).
| Month | Average high | Warmest day | Coolest day | Days |
|---|---|---|---|---|
| Oct 2026 | 16.5° | 20° | 11° | 29 |
| Sep 2026 | 14.7° | 18° | 10° | 30 |
| Aug 2026 | 13.5° | 18° | 9° | 31 |
| Jul 2026 | 13.0° | 16° | 10° | 31 |
| Jun 2026 | 14.9° | 20° | 11° | 30 |
| May 2026 | 15.7° | 19° | 12° | 31 |
| Apr 2026 | 17.5° | 22° | 12° | 30 |
| Mar 2026 | 19.1° | 23° | 12° | 31 |
| Feb 2026 | 20.6° | 25° | 16° | 28 |
| Jan 2026 | 20.4° | 25° | 16° | 31 |
| Dec 2025 | 19.6° | 23° | 15° | 31 |
| Nov 2025 | 19.3° | 23° | 16° | 30 |
| Oct 2025 | 18.0° | 19° | 17° | 2 |