Japan
Best time to visit Osaka
Based on 0 years of real historical weather data (2015–2026). Sunshine hours, rainfall, and temperature — week by week.
Planning a trip, an event, or a party in Osaka? Here's what to expect. Summers here run warm, and winters are cooler. For the best odds of good weather, aim for May, October and November. Days run warm, with up to 9.5h of sunshine and quite rainy.
Month-by-month weather
Osaka in January runs cold, averaging 8.8°C.
Osaka in February runs cool, averaging 10.1°C.
Osaka in March runs cool, averaging 14.4°C.
Osaka in April runs mild, averaging 18.5°C.
Osaka in May runs warm, averaging 23.4°C.
Osaka in June runs hot, averaging 26.7°C.
Osaka in July runs very hot, averaging 30°C.
Osaka in August runs very hot, averaging 31.9°C.
Osaka in September runs hot, averaging 28.3°C.
Osaka in October runs warm, averaging 21.9°C.
Osaka in November runs mild, averaging 16.4°C.
Osaka in December runs cool, averaging 11.4°C.
Frequently asked questions
What is the best time to visit Osaka?
If you're planning a trip, wedding, or outdoor event in Osaka, aim for May, October and November — Days run warm, with up to 9.5h of sunshine and quite rainy. This is based on 0 years of real historical weather data (2015–2026), not a single forecast.
What is the weather like in Osaka in May?
If you visit Osaka in May, expect warm days around 23.4°C You'll get around 9.5h of sunshine per day and 5.5mm of rain — quite rainy.
What is the hottest month in Osaka?
August is typically the hottest month, running very hot — good to know if you're planning something outdoors and want to avoid the peak heat.
What is the driest month in Osaka?
January is your safest bet if you want to avoid rain, averaging only 1.9mm per day. July is the wettest, at 8.4mm per day — worth planning around if you're hosting anything outdoors.
All weeks ranked by weather score
| Week | Dates | Midday temp | Range | Sun / day | Rain / day | Score |
|---|---|---|---|---|---|---|
| W44 | Oct 28–Nov 3 | 19.3°C | 7.6° → 21.9° | 9.3h | 0.9mm | 87 |
| W18 | Apr 29–May 5 | 21.7°C | 9.7° → 24.5° | 9.9h | 4.8mm | 76 |
| W13 | Mar 25–31 | 16.0°C | 2.9° → 19° | 9.6h | 2.4mm | 73 |
| W16 | Apr 15–21 | 19.3°C | 6.5° → 22.1° | 9.1h | 3.9mm | 72 |
| W21 | May 20–26 | 24.4°C | 13.5° → 26.4° | 10.1h | 4.9mm | 71 |
| W20 | May 13–19 | 23.7°C | 12.1° → 25.6° | 9.9h | 5.4mm | 70 |
| W46 | Nov 11–17 | 16.8°C | 5.3° → 18.8° | 7.6h | 2.7mm | 69 |
| W19 | May 6–12 | 22.3°C | 10.1° → 24.8° | 8.7h | 6.3mm | 68 |
| W48 | Nov 25–Dec 1 | 14.2°C | 3.3° → 18° | 7.6h | 1.7mm | 68 |
| W14 | Apr 1–7 | 17.5°C | 4.4° → 20.6° | 8.9h | 4.0mm | 67 |
| W42 | Oct 14–20 | 21.2°C | 9.4° → 23.5° | 8.2h | 6.0mm | 67 |
| W45 | Nov 4–10 | 18.6°C | 6.8° → 21.8° | 7.8h | 4.1mm | 67 |
| W31 | Jul 29–Aug 4 | 32.8°C | 24.1° → 34.5° | 12.2h | 2.0mm | 66 |
| W47 | Nov 18–24 | 16.0°C | 4.7° → 19.2° | 7.4h | 2.9mm | 66 |
| W40 | Sep 30–Oct 6 | 25.3°C | 14.6° → 28.1° | 8.3h | 4.8mm | 65 |
| W43 | Oct 21–27 | 20.5°C | 9.8° → 23.2° | 8.2h | 6.4mm | 65 |
| W22 | May 27–Jun 2 | 24.9°C | 13.4° → 27.2° | 9.1h | 6.2mm | 64 |
| W49 | Dec 2–8 | 13.0°C | 2.4° → 16.4° | 7.5h | 1.8mm | 64 |
| W41 | Oct 7–13 | 23.3°C | 12.8° → 25.7° | 7.9h | 7.3mm | 63 |
| W1 | Jan 1–7 | 8.7°C | −1° → +11.1° | 8.1h | 0.6mm | 62 |
| W8 | Feb 19–25 | 10.2°C | −1.4° → +14.2° | 8.3h | 1.6mm | 61 |
| W17 | Apr 22–28 | 19.8°C | 7.4° → 23.1° | 8.4h | 7.3mm | 61 |
| W52 | Dec 23–29 | 10.1°C | 0° → 12.5° | 7.4h | 1.3mm | 61 |
| W9 | Feb 26–Mar 3 | 12.4°C | −0.3° → +15.8° | 8.2h | 2.8mm | 60 |
| W23 | Jun 3–9 | 25.7°C | 15° → 28° | 8.9h | 6.4mm | 60 |
| W51 | Dec 16–22 | 10.7°C | 0.3° → 14.1° | 7.7h | 1.8mm | 60 |
| W12 | Mar 18–24 | 14.8°C | 1.6° → 19.2° | 8.3h | 4.0mm | 59 |
| W15 | Apr 8–14 | 17.5°C | 4.4° → 20.7° | 8.2h | 5.3mm | 59 |
| W2 | Jan 8–14 | 9.2°C | −1.4° → +12.6° | 7.9h | 1.8mm | 58 |
| W6 | Feb 5–11 | 9.5°C | −1.9° → +12.7° | 7.7h | 1.8mm | 58 |
| W11 | Mar 11–17 | 13.9°C | 1.4° → 17.5° | 8.9h | 4.5mm | 57 |
| W24 | Jun 10–16 | 26.2°C | 16.2° → 28.9° | 8.2h | 6.5mm | 57 |
| W39 | Sep 23–29 | 27.1°C | 16.4° → 29° | 8.3h | 6.3mm | 57 |
| W50 | Dec 9–15 | 11.8°C | 1.3° → 14.8° | 7.4h | 3.3mm | 55 |
| W5 | Jan 29–Feb 4 | 8.8°C | −1.5° → +11.9° | 7.6h | 2.3mm | 54 |
| W7 | Feb 12–18 | 9.5°C | −2.6° → +13.7° | 7.8h | 2.6mm | 54 |
| W10 | Mar 4–10 | 13.0°C | −0.2° → +16.9° | 8.1h | 4.1mm | 54 |
| W34 | Aug 19–25 | 31.9°C | 23° → 33.7° | 10.4h | 4.9mm | 54 |
| W38 | Sep 16–22 | 27.1°C | 17.2° → 29.4° | 8.3h | 7.2mm | 54 |
| W3 | Jan 15–21 | 8.6°C | −1.8° → +10.8° | 7.4h | 2.5mm | 53 |
| W26 | Jun 24–30 | 28.4°C | 19.6° → 31° | 9.0h | 6.2mm | 53 |
| W29 | Jul 15–21 | 30.6°C | 22° → 32.4° | 10.6h | 5.8mm | 53 |
| W4 | Jan 22–28 | 8.7°C | −2.2° → +11.8° | 7.2h | 2.5mm | 52 |
| W30 | Jul 22–28 | 31.8°C | 23.9° → 33.9° | 10.5h | 5.5mm | 52 |
| W32 | Aug 5–11 | 32.8°C | 24° → 34.4° | 11.1h | 6.1mm | 50 |
| W35 | Aug 26–Sep 1 | 30.4°C | 21.6° → 32.5° | 9.3h | 6.9mm | 50 |
| W25 | Jun 17–23 | 26.6°C | 17.5° → 28.8° | 8.6h | 9.2mm | 49 |
| W33 | Aug 12–18 | 31.8°C | 23.3° → 34.5° | 9.5h | 7.7mm | 46 |
| W28 | Jul 8–14 | 29.2°C | 21.8° → 31° | 8.5h | 8.1mm | 45 |
| W36 | Sep 2–8 | 30.3°C | 21.7° → 32.5° | 8.5h | 8.3mm | 45 |
| W37 | Sep 9–15 | 28.5°C | 20.1° → 30.5° | 7.8h | 8.9mm | 45 |
| W27 | Jul 1–7 | 28.4°C | 21.1° → 30.3° | 7.2h | 14.3mm | 39 |
Nail down the right dates for Osaka
Compare individual weeks, see year-by-year variation, and download the data as Excel — everything you need to plan a trip, wedding, or event.
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