Best time to visit Niseko

Re-score for me — drag the dial — every chart on the page recolours live for your heat limit 27°C
I'm comfortable up to 27°C feels-like
22° heat-averse 30° heat-loving

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.

Saved to this browser. Changes update the strips below.
Recent · 2020-2024
Interest Google Trends 2021-2025 searches, not arrivals (?)
Day · avg daily high (?)
Night · avg overnight low (?)
UV index · On a typical day around midday, UV is about this (?)
123455555311
On the sunniest 1 in 10 days, UV reaches this — and even higher
45788864
PM2.5 air quality · on a typical day (?)
69121199856686
On the worst 1 in 10 days, PM2.5 reaches this — and even higher
9152218151415989129
March 7/10 feels 1°C (+3°C vs 1991-2020) · HCI 69/100
Day 5° · Night -5° 67% humidity 14 km/h wind 15 rain days (197h) 173h sun
Thermal 10
Sky 5
Rain 4
Wind 10

Higher = better, including rain & wind (green = "doesn't hurt the score", not "lots of it").

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.

Similar climatesZakopane77% · Grindelwald74% · Gstaad74%

Other destinations with the most-alike year-round climate to Niseko (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 Niseko'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 -10–-2 -7 21 384 18.3 74% 13 111 1 Quiet 4
Feb -9–-1 -5 20 348 17.4 70% 14 123 2 Quiet 4
Mar -5–5 1 15 197 13.1 67% 14 173 3 Quiet 7
Apr 1–11 8 12 150 12.5 62% 15 206 4 Quiet 7
May 7–17 15 14 180 12.9 65% 14 209 5 Quiet 3
Jun 12–21 22 13 182 14.0 73% 12 214 5 Quiet 1
Jul 17–25 28 15 208 13.9 75% 11 222 5 Quiet 1
Aug 18–26 29 19 257 13.5 77% 11 196 5 Quiet 1
Sep 13–22 23 13 169 13.0 73% 12 189 5 Quiet 1
Oct 6–15 14 14 204 14.6 71% 13 184 3 Moderate 3
Nov 0–8 5 18 265 14.7 74% 14 131 1 Peak 5
Dec -8–-1 -5 25 441 17.6 77% 14 102 1 Peak 4

UV Index in Niseko by Month

UV index in Niseko peaks at 5 (moderate) in July, dropping to 1 (low) in December.

Best months in detail

March

7/10

-5–5°C (feels 1°C) · 15 rain days (197h) · 173 sun hours · 67% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)

April

7/10

1–11°C (feels 8°C) · 12 rain days (150h) · 206 sun hours · 62% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 5 (moderate)

November

5/10

0–8°C (feels 5°C) · 18 rain days (265h) · 131 sun hours · 74% humidity · Peak crowd · UV 1 (low)

Every month

Show the other 9 months in detail

January

4/10

-10–-2°C (feels -7°C) · 21 rain days (384h) · 111 sun hours · 74% humidity · Quiet crowd · UV 1 (low)

February

4/10

-9–-1°C (feels -5°C) · 20 rain days (348h) · 123 sun hours · 70% humidity · Quiet crowd · UV 2 (low)

May

3/10

7–17°C (feels 15°C) · 14 rain days (180h) · 209 sun hours · 65% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 7 (high)

June

1/10

12–21°C · 13 rain days (182h) · 214 sun hours · 73% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 8 (high)

July

1/10

17–25°C (feels 28°C) · 15 rain days (208h) · 222 sun hours · 75% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 8 (high)

August

1/10

18–26°C (feels 29°C) · 19 rain days (257h) · 196 sun hours · 77% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 8 (high)

September

1/10

13–22°C (feels 23°C) · 13 rain days (169h) · 189 sun hours · 73% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 6 (high)

October

3/10

6–15°C (feels 14°C) · 14 rain days (204h) · 184 sun hours · 71% humidity · Moderate crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)

December

4/10

-8–-1°C (feels -5°C) · 25 rain days (441h) · 102 sun hours · 77% humidity · Peak crowd · UV 1 (low)

Frequently asked questions about visiting Niseko

When is the best time to visit Niseko?

March is the highest-scoring month (7/10 on the Holiday Climate Index). Typical conditions: -5–5°C (15 rainy days). The top three months by score are March, April, November.

What is the worst time to visit Niseko?

August is the lowest-scoring month (1/10, capped by extreme heat). Typical conditions: 18–26°C (19 rainy days).

Is Niseko too hot in summer?

6 months (May, June, July, August, September, October) trip the heat deal-breaker in our scoring: apparent temperature crosses the comfort cap, so even with clear skies and low rain the score is held down. Plan around it if heat tolerance is low.

When are crowds lowest in Niseko?

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 Niseko have good weather but fewer tourists?

March (climate 7/10, crowd index 8) and April (climate 7/10, crowd index 0) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.

What is the UV index in Niseko by month?

UV peaks at 5 (moderate) in July and is lowest in December at 1 (low). Monthly peak values: Jan 1, Feb 2, Mar 3, Apr 4, May 5, Jun 5, Jul 5, Aug 5, Sep 5, Oct 3, Nov 1, Dec 1.

What is the UV index in Niseko in July?

July is the peak UV month in Niseko, with a daily-peak UV index of 5 (moderate). Standard sun protection — sunglasses and light SPF — is recommended.

How high can UV get in Niseko 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. July is the worst case: typical days average UV 5 (moderate), but the top 10% of days reach UV 8 (high) — and even higher. Months where the sunniest days routinely exceed the typical reading: March, April, May, June, July, August, September, October. Plan sun protection for the worst case, not the average.

Is air quality in Niseko bad for travelers?

PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 3 months: February, March, April. The worst month is March with a typical-day mean of 12 µg/m³ (moderate); on the worst 10% of days PM2.5 reaches 22 µg/m³ (unhealthy for sensitive) and higher. People with asthma, heart conditions, or sensitive children may want to avoid these months or limit outdoor activity. Source: CAMS via Open-Meteo.