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Richmond, New Zealand climate
Cfb Oceanic / temperate
Richmond has a mildly seasonal mild-temperate climate (Oceanic / temperate, Köppen Cfb). The hottest month is February with an average daily high near 23°C, while the coldest is July averaging around 3°C at night. Precipitation is fairly even year-round, totalling about 847 mm.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Richmond climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 23 | 21 | 18 | 16 | 13 | 12 | 13 | 15 | 17 | 19 | 21 |
| Avg temp (°C) | 18 | 18 | 16 | 14 | 11 | 9 | 8 | 9 | 10 | 13 | 14 | 17 |
| Avg low (°C) | 14 | 14 | 12 | 9 | 7 | 4 | 3 | 4 | 6 | 8 | 10 | 12 |
| Precipitation (mm) | 63 | 54 | 61 | 68 | 81 | 84 | 71 | 69 | 73 | 80 | 59 | 84 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 22 | 23 | 21 | 18 | 16 | 13 |
| Avg temp (°C) | 18 | 18 | 16 | 14 | 11 | 9 |
| Avg low (°C) | 14 | 14 | 12 | 9 | 7 | 4 |
| Precipitation (mm) | 63 | 54 | 61 | 68 | 81 | 84 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 13 | 15 | 17 | 19 | 21 |
| Avg temp (°C) | 8 | 9 | 10 | 13 | 14 | 17 |
| Avg low (°C) | 3 | 4 | 6 | 8 | 10 | 12 |
| Precipitation (mm) | 71 | 69 | 73 | 80 | 59 | 84 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 61 | 61 | 59 | 55 | 57 | 58 | 59 | 62 | 64 | 67 | 69 |
| Relative humidity (%) | 71 | 70 | 75 | 82 | 87 | 90 | 90 | 89 | 85 | 82 | 78 | 75 |
| Wind speed (m/s) | 1.4 | 1.2 | 1.3 | 1.2 | 1.3 | 1.3 | 1.2 | 1.2 | 1.4 | 1.5 | 1.5 | 1.4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 64 | 61 | 61 | 59 | 55 | 57 |
| Relative humidity (%) | 71 | 70 | 75 | 82 | 87 | 90 |
| Wind speed (m/s) | 1.4 | 1.2 | 1.3 | 1.2 | 1.3 | 1.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 59 | 62 | 64 | 67 | 69 |
| Relative humidity (%) | 90 | 89 | 85 | 82 | 78 | 75 |
| Wind speed (m/s) | 1.2 | 1.2 | 1.4 | 1.5 | 1.5 | 1.4 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 29 years of daily observations at Nelson Aerodrome Aws, a weather station, about 4 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.