Climate & archive — Wellington 📅
Actual day-by-day weather, records, monthly climate and “on this day before”.
🔎 Weather for a date or period
📆 On this day before
🏆 Hottest and coldest day in Wellington (over the full observation series)
🗓 Monthly climate in Wellington
| Month | Day | Night | Precip |
|---|---|---|---|
| January | +20° | +15° | 40 mm |
| February | +20° | +15° | 81 mm |
| March | +18° | +14° | 74 mm |
| April | +17° | +13° | 95 mm |
| May | +15° | +11° | 98 mm |
| June | +13° | +10° | 102 mm |
| July | +12° | +9° | 107 mm |
| August | +12° | +9° | 103 mm |
| September | +13° | +10° | 91 mm |
| October | +15° | +11° | 74 mm |
| November | +16° | +12° | 86 mm |
| December | +18° | +14° | 79 mm |
🕰 Weather in Wellington August 18 in past years
📒 For school and home
FAQ about the weather archive in Wellington ❓
What was the weather in Wellington on a specific date?
Pick a date or range in the form above — we show actual day-by-day weather (ERA5 reanalysis, up to a year back). For today’s date in past years see “On this day before”.
Hottest and coldest day in the history in Wellington?
Heat record — +26° (January 29, 2018), cold record — +1° (July 14, 1952). Observations over the full available series.
What's the typical weather in Wellington in August?
On average +12° by day, +9° at night, precipitation about 103 mm (ERA5 climate normal).
Since what year is the weather archive in Wellington kept?
Climate normals and records come from the ERA5 reanalysis. Actual day-by-day weather is available for the last year.
Climate and weather archive in Wellington
Monthly climate normals in Wellington (average day and night temperatures, precipitation) are computed from the ERA5 reanalysis. The observation archive accrues from launch. Data: Open-Meteo (ERA5).