Best time to visit Osaka
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.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
Greyed factors are scored normally — extreme heat overrides them, so a clear sky or low rain can't lift the period.
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 Osaka
24 top-rated tours via Viator. Booking links earn this site a commission at no cost to you. Map locations are approximate (centred on Osaka).
- 1
Official Street Go-Kart Tour - Osaka Shop - 2
Ultimate Osaka Walking Tour: Castle, Dotonbori, Gems & Lunch - 3
Osaka and Nara Private Car Tour with a Local English Guide Driver - 4
Osaka Kickstart: Hotspots & Hidden Gems Tour - 5
Private Osaka Tour with a Local, Custom Highlights & Hidden Gems - 6
Osaka Sumo Experience with Live Show and Audience Challenge - 7
Full Day Tour of Kyoto with Private Transportation - 8
Lake Biwa Tour: Shirahige Shrine, Ukimido ,La Collina Omihachiman - 9
Amanohashidate and Ine Boathouses Day Trip from Kyoto and Osaka - 10
Osaka Food Tour: 15 Delicious Dishes & 3 drinks at 5 Eateries - 11
Osaka Street Food Tour: 17 Dishes at 4 Local Eateries - 12
Nara Early Morning Tour (Kyoto or Osaka Departure Available) - 13
Hungry Osaka Street Food Tour:15 Tastings & 3 Drinks with a Local - 14
Osaka Backstreet Nightlife & Street Food Walking Tour - 15
Deep Osaka Night Walking Tour with Optional Dinner - 16
Osaka Castle Walking Tour and Castle Tower Admission - 17
Tea Ceremony Experience in Osaka Doutonbori - 18
Sushi Making Osaka Roll and Authentic Japanese Sushi Class - 19
Samurai Training Experience KENDO in Osaka - 20
Osaka Go Karting Tour with Funny Costume - 21
Osaka Local Foodie Walking Tour in Dotonbori and Shinsekai - 22
Kuromon Market Food Walking Tour in Osaka (6 stops, 6 tastes) - 23
Osaka: Guided Food Tour with 12 Dishes at 4 Local Eateries - 24
Kyoto Private Car Tour with English Guide Driver (Amanohashidate)
Last refreshed 2026-05-25.
Similar climatesHiroshima96% · Kyoto96% · Kamakura93%
Other destinations with the most-alike year-round climate to Osaka (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 Osaka'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 | 1–9 | 5 | 7 | 81 | 11.6 | 62% | 23 | 172 | 2 | Quiet | 6 |
| Feb | 2–11 | 6 | 7 | 89 | 12.7 | 60% | 24 | 162 | 3 | Quiet | 6 |
| Mar | 5–15 | 11 | 11 | 128 | 11.6 | 60% | 24 | 191 | 4 | Quiet | 6 |
| Apr | 10–19 | 16 | 9 | 125 | 13.9 | 59% | 25 | 194 | 5 | Quiet | 7 |
| May | 14–23 | 22 | 13 | 132 | 10.2 | 61% | 24 | 208 | 6 | Quiet | 8 |
| Jun | 19–27 | 28 | 14 | 164 | 11.7 | 66% | 23 | 191 | 6 | Quiet | 7 |
| Jul | 24–31 | 34 | 17 | 213 | 12.5 | 68% | 25 | 219 | 8 | Quiet | 3 |
| Aug | 26–33 | 36 | 15 | 154 | 10.3 | 61% | 24 | 242 | 8 | Busy | 2 |
| Sep | 23–30 | 32 | 14 | 143 | 10.2 | 62% | 21 | 206 | 6 | Moderate | 4 |
| Oct | 14–23 | 22 | 9 | 108 | 12.0 | 61% | 20 | 192 | 4 | Moderate | 8 |
| Nov | 9–18 | 16 | 7 | 75 | 10.7 | 63% | 19 | 181 | 3 | Peak | 8 |
| Dec | 3–12 | 8 | 6 | 53 | 8.8 | 59% | 21 | 191 | 2 | Busy | 7 |
UV Index in Osaka by Month
UV index in Osaka peaks at 8 (very high) in July, dropping to 2 (low) in December. July 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
October
8/1014–23°C · 9 rain days (108h) · 192 sun hours · 61% humidity · Moderate crowd · UV 4 (moderate)
November
8/109–18°C (feels 16°C) · 7 rain days (75h) · 181 sun hours · 63% humidity · Peak crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
May
8/1014–23°C (feels 22°C) · 13 rain days (132h) · 208 sun hours · 61% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (very high)
Every month
Show the other 9 months in detail
January
6/101–9°C (feels 5°C) · 7 rain days (81h) · 172 sun hours · 62% humidity · Quiet crowd · UV 2 (low) · sunniest 1 in 10 days reach 3 (moderate)
February
6/102–11°C (feels 6°C) · 7 rain days (89h) · 162 sun hours · 60% humidity · Quiet crowd · UV 3 (low) · sunniest 1 in 10 days reach 4 (moderate)
March
6/105–15°C (feels 11°C) · 11 rain days (128h) · 191 sun hours · 60% humidity · Quiet crowd · UV 4 (moderate) · sunniest 1 in 10 days reach 6 (moderate)
April
7/1010–19°C (feels 16°C) · 9 rain days (125h) · 194 sun hours · 59% humidity · Quiet crowd · UV 5 (moderate) · sunniest 1 in 10 days reach 8 (high)
June
7/1019–27°C · 14 rain days (164h) · 191 sun hours · 66% humidity · Quiet crowd · UV 6 (high) · sunniest 1 in 10 days reach 9 (very high)
July
3/1024–31°C (feels 34°C) · 17 rain days (213h) · 219 sun hours · 68% humidity · Quiet crowd · UV 8 (very high) · sunniest 1 in 10 days reach 10 (very high)
August
2/1026–33°C (feels 36°C) · 15 rain days (154h) · 242 sun hours · 61% humidity · Busy crowd · UV 8 (high) · sunniest 1 in 10 days reach 10 (very high)
September
4/1023–30°C (feels 32°C) · 14 rain days (143h) · 206 sun hours · 62% humidity · Moderate crowd · UV 6 (high) · sunniest 1 in 10 days reach 8 (high)
December
7/103–12°C (feels 8°C) · 6 rain days (53h) · 191 sun hours · 59% humidity · Busy crowd · UV 2 (low)
Frequently asked questions about visiting Osaka
When is the best time to visit Osaka?
October is the highest-scoring month (8/10 on the Holiday Climate Index). Typical conditions: 14–23°C (9 rainy days). The top three months by score are October, November, May.
What is the worst time to visit Osaka?
August is the lowest-scoring month (2/10, capped by extreme heat). Typical conditions: 26–33°C (15 rainy days).
Is Osaka too hot in summer?
3 months (July, August, September) 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 Osaka?
Search-interest seasonality (Google Trends 2021-2025) is lowest in May 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 Osaka have good weather but fewer tourists?
May (climate 8/10, crowd index 0) and April (climate 7/10, crowd index 2) — shoulder months with above-average climate and below-median search-interest. Often the best value-for-weather trade.
What is the UV index in Osaka by month?
UV peaks at 8 (very high) in July and is lowest in December at 2 (low). Monthly peak values: Jan 2, Feb 3, Mar 4, Apr 5, May 6, Jun 6, Jul 8, Aug 8, Sep 6, Oct 4, Nov 3, Dec 2. July 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 Osaka in July?
July is the peak UV month in Osaka, 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 Osaka 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 8 (very high), but the top 10% of days reach UV 10 (very high) — and even higher. Months where the sunniest days routinely exceed the typical reading: January, February, March, April, May, June, July, August, September, November. Plan sun protection for the worst case, not the average.
Is air quality in Osaka bad for travelers?
PM2.5 (fine-particle pollution) exceeds the WHO sensitive-group guideline (15 µg/m³) in 12 months: January, February, March, April, May, June, July, August, September, October, November, December. The worst month is June with a typical-day mean of 24 µg/m³ (unhealthy for sensitive); on the worst 10% of days PM2.5 reaches 38 µg/m³ (hazardous) 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.