Local rainfall
Tank sizing by region
Rainfall changes dramatically across New Zealand. Choose a region to see its monthly profile, data status and worked example.
North Island
- Verified inputs Auckland Auckland reference 1,142.4 mm/year →
- Verified inputs Bay of Plenty Tauranga reference 1,294.8 mm/year →
- Verified inputs Gisborne / Tairāwhiti Gisborne reference 1,021.5 mm/year →
- Verified inputs Hawke’s Bay Napier reference 824.3 mm/year →
- Verified inputs Manawatū–Whanganui Palmerston North reference 977.9 mm/year →
- Verified inputs Northland Whangārei reference 1,354.5 mm/year →
- Verified inputs Taranaki New Plymouth reference 1,621.3 mm/year →
- Verified inputs Waikato Hamilton reference 1,227.2 mm/year →
- Verified inputs Wellington Wellington reference 1,225 mm/year →
South Island
- Verified inputs Canterbury Christchurch reference 651.5 mm/year →
- Verified inputs Marlborough Blenheim reference 652.4 mm/year →
- Verified inputs Nelson Nelson reference 997.7 mm/year →
- Verified inputs Otago Dunedin reference 882.9 mm/year →
- Verified inputs Southland Invercargill reference 1,126.3 mm/year →
- Verified inputs Tasman Richmond reference 1,063.9 mm/year →
- Verified inputs West Coast Greymouth reference 2,554.3 mm/year →