Best time to visit Nelson
Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
Default 27 °C is the upper edge of the Holiday Climate Index "ideal comfort" band (Scott, Rutty, Amelung & Tang, 2016). Above this, most warm-tourism travellers report measurable discomfort.
How is this scored? HCI / Steadman / CCI gate — full methodology and citations below.
Compare with another destination
Add as many as you like — stacked below the main strips above. Each row is just the recent-window score strip and (for beach destinations) sea-temperature strip.
Tours in Nelson
6 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Nelson).
- 1
Self-guided E-bike cycle tour with private wine tasting - 2
Private boat charter in Abel Tasman National Park - 3
Great Taste Beer Tour by Bicycle (Self-guided) - 4
Heli-Scenic Abel Tasman Experience - 5
Lord of the Rings Mt Owen, Exit from the Mines of Moria - 6
Heli-Scenic Nelson Mountain Adventure
Last refreshed 2026-06-08.
Similar climatesAuckland94% · Taupo93% · Rotorua92%
Other destinations with the most-alike year-round climate to Nelson (apparent temperature, rain hours, sunshine — matched within the same trip-profile). The ±N chip compares each match's typical score for the current month against Nelson's. Based on the 2020-2024 climatology, not this year's actual weather.
Month-by-month
| Month | Temp °C | Feels °C | Rain days | Rain h | Rain h/day | Humidity | Wind km/h | Sun h | UV | Interest | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | 14–22 | 22 | 9 | 116 | 12.9 | 67% | 16 | 287 | 8 | Quiet | 8 |
| Feb | 14–21 | 21 | 10 | 139 | 13.9 | 70% | 16 | 229 | 8 | Quiet | 8 |
| Mar | 12–20 | 19 | 10 | 130 | 13.0 | 71% | 16 | 235 | 6 | Quiet | 7 |
| Apr | 11–18 | 17 | 10 | 132 | 13.2 | 75% | 15 | 199 | 3 | Quiet | 7 |
| May | 9–15 | 14 | 10 | 156 | 15.6 | 79% | 14 | 166 | 2 | Quiet | 6 |
| Jun | 8–14 | 12 | 13 | 173 | 13.3 | 81% | 14 | 145 | 1 | Quiet | 5 |
| Jul | 6–13 | 10 | 10 | 145 | 14.5 | 78% | 15 | 156 | 1 | Quiet | 6 |
| Aug | 6–13 | 11 | 13 | 158 | 12.2 | 77% | 15 | 190 | 2 | Busy | 5 |
| Sep | 7–15 | 12 | 13 | 155 | 11.9 | 72% | 19 | 204 | 3 | Busy | 6 |
| Oct | 9–16 | 15 | 13 | 179 | 13.8 | 72% | 18 | 225 | 5 | Moderate | 6 |
| Nov | 11–18 | 17 | 14 | 200 | 14.3 | 73% | 17 | 239 | 7 | Peak | 6 |
| Dec | 14–21 | 21 | 14 | 170 | 12.1 | 71% | 18 | 254 | 8 | Moderate | 7 |
UV Index in Nelson by Month
UV index in Nelson peaks at 8 (very high) in January, dropping to 1 (low) in June. January, December reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.
Best months in detail
January
8/1014–22°C · 9 rain days (116h) · 287 sun hours · 67% humidity · Quiet crowd · UV 8 (very high) · sunniest 1 in 10 days reach 11 (very high)
February
8/1014–21°C · 10 rain days (139h) · 229 sun hours · 70% humidity · Quiet crowd · UV 8 (high) · sunniest 1 in 10 days reach 10 (very high)
March
7/1012–20°C · 10 rain days (130h) · 235 sun hours · 71% humidity · Quiet crowd · UV 6 (moderate) · sunniest 1 in 10 days reach 7 (high)
Every month
Show the other 9 months in detail
April
7/1011–18°C · 10 rain days (132h) · 199 sun hours · 75% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
May
6/109–15°C (feels 14°C) · 10 rain days (156h) · 166 sun hours · 79% humidity · Quiet crowd · UV 2 (low)
June
5/108–14°C (feels 12°C) · 13 rain days (173h) · 145 sun hours · 81% humidity · Quiet crowd · UV 1 (low)
July
6/106–13°C (feels 10°C) · 10 rain days (145h) · 156 sun hours · 78% humidity · Quiet crowd · UV 1 (low)
August
5/106–13°C (feels 11°C) · 13 rain days (158h) · 190 sun hours · 77% humidity · Busy crowd · UV 2 (low)
September
6/107–15°C (feels 12°C) · 13 rain days (155h) · 204 sun hours · 72% humidity · Busy crowd · UV 3 (moderate)
October
6/109–16°C (feels 15°C) · 13 rain days (179h) · 225 sun hours · 72% humidity · Moderate crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)
November
6/1011–18°C (feels 17°C) · 14 rain days (200h) · 239 sun hours · 73% humidity · Peak crowd · UV 7 (high) · sunniest 1 in 10 days reach 9 (very high)
December
7/1014–21°C · 14 rain days (170h) · 254 sun hours · 71% humidity · Moderate crowd · UV 8 (very high) · sunniest 1 in 10 days reach 11 (extreme)
Frequently asked questions about visiting Nelson
When is the best time to visit Nelson?
January is the highest-scoring month (8/10 on the Holiday Climate Index). Typical conditions: 14–22°C (9 rainy days). The top three months by score are January, February, March.
What is the worst time to visit Nelson?
June is the lowest-scoring month (5/10). Typical conditions: 8–14°C (13 rainy days).
When are crowds lowest in Nelson?
Search-interest seasonality (Google Trends 2021-2025) is lowest in April and peaks in November. Interest tracks both in-trip visitors and lead-time planners, so treat it as a "destination is on people's minds" signal rather than literal arrivals.
Which months in Nelson have good weather but fewer tourists?
January (climate 8/10, crowd index 7) and February (climate 8/10, crowd index 7) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Nelson by month?
UV peaks at 8 (very high) in January and is lowest in June at 1 (low). Monthly peak values: Jan 8, Feb 8, Mar 6, Apr 3, May 2, Jun 1, Jul 1, Aug 2, Sep 3, Oct 5, Nov 7, Dec 8. January, December reach very high or extreme levels — apply SPF 50+, wear a hat and protective clothing, and limit direct sun between 11:00 and 17:00.
What is the UV index in Nelson in January?
January is the peak UV month in Nelson, with a daily-peak UV index of 8 (very high). At this level, sunburn can occur in under 20 minutes on unprotected fair skin. Apply SPF 50+, wear protective clothing and a hat, and avoid direct midday sun (11:00–17:00).
How high can UV get in Nelson on the sunniest days?
Most days look like the monthly average, but on the sunniest ~1 in 10 days UV climbs higher than the mean suggests. December is the worst case: typical days average UV 8 (very high), but the top 10% of days reach UV 11 (extreme) — and even higher. Months where the sunniest days routinely exceed the typical reading: January, February, March, April, October, November, December. Plan sun protection for the worst case, not the average.