Temperature
Cool by day, cold at night.
55°Ftypical Aug high
Nelson is most comfortable in local summer and early local autumn. Local summers are mild and local winters are cool. Humidity is usually low.

Cool by day, cold at night.
Recurring showers across the month.
Cloudier spells limit sunshine.
Humidity is rarely noticeable in the cool air.
Partly cloudy across the month.
Want a side-by-side climate view? Compare Nelson with Dunedin.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology