Best Time to Visit
Best Time to Visit Osaka
🇯🇵 Osaka, Japan · Asia
Based on 30-year climate data (1991-2020) from Open-Meteo
Recommended Travel Months
Jan
8°
1°
Good
Feb
9°
1°
Great
Mar
13°
4°
Great
Apr
18°
9°
Great
May
23°
15°
Great
Jun
26°
19°
Great
Jul
30°
23°
Good
Aug
32°
24°
Great
Sep
28°
21°
Great
Oct
22°
15°
Great
Nov
16°
9°
Great
Dec
11°
4°
Great
Month-by-Month Weather in Osaka
| Month | High | Low | Rain Days | Sunshine | Humidity | UV | Rating | Details |
|---|---|---|---|---|---|---|---|---|
| January | 8°C | 1°C | 6 | 7h | 70% | 2 | Good | View |
| FebruaryRecommended | 9°C | 1°C | 8 | 8h | 70% | 2 | Great | View |
| MarchRecommended | 13°C | 4°C | 11 | 8h | 70% | 6 | Great | View |
| AprilRecommended | 18°C | 9°C | 10 | 9h | 70% | 6 | Great | View |
| MayRecommended | 23°C | 15°C | 10 | 9h | 70% | 9 | Great | View |
| JuneRecommended | 26°C | 19°C | 13 | 8h | 70% | 9 | Great | View |
| July | 30°C | 23°C | 14 | 9h | 70% | 9 | Good | View |
| AugustRecommended | 32°C | 24°C | 12 | 11h | 70% | 9 | Great | View |
| SeptemberRecommended | 28°C | 21°C | 12 | 9h | 70% | 6 | Great | View |
| OctoberRecommended | 22°C | 15°C | 10 | 8h | 70% | 6 | Great | View |
| NovemberRecommended | 16°C | 9°C | 8 | 7h | 70% | 2 | Great | View |
| DecemberRecommended | 11°C | 4°C | 7 | 7h | 70% | 2 | Great | View |
Data source: Open-Meteo ERA5 reanalysis archive, 30-year historical normals (1991-2020). Temperatures in Celsius. Sunshine hours are daily averages.
Seasonal Guide to Osaka
Spring (March to May)
Avg: 18°C high, 9°C low
Spring in Osaka brings gradually mild temperatures. Daytime highs reach around 18°C (64°F) while nights cool to 9°C (48°F). Expect occasional showers, so pack a light rain jacket.
Summer (June to August)
Avg: 29°C high, 22°C low
Summer is the warmest season in Osaka, with temperatures reaching 29°C (84°F). Comfortable warmth makes this a popular time for tourists, though accommodation prices tend to peak. Long daylight hours and abundant sunshine provide plenty of time to explore.
Fall (September to November)
Avg: 22°C high, 15°C low
Fall in Osaka is one of the best times to visit. Temperatures settle around 22°C (72°F) during the day and 15°C (59°F) at night. Rainfall increases slightly, but comfortable temperatures make up for it. Fewer tourists mean better prices.
Winter (December to February)
Avg: 9°C high, 2°C low
Winter in Osaka brings the coolest weather of the year. Layers are essential, and some outdoor attractions may have reduced hours. However, hotel prices typically drop and popular sites are less crowded.
When to Avoid Osaka
The least favorable time to visit Osaka is January and July. During this period, you can expect cold weather.
January
Challenges: cold weather
July
Challenges: frequent rain
February
Challenges: cold weather
Note: visiting during off-peak months often means lower prices, fewer crowds, and a more authentic experience. Consider your priorities when planning your trip.
What to Pack for Osaka
Packing recommendations for visiting Osaka during the best travel months (April, May, September), when temperatures range from 15°C to 23°C:
- +Light layers for warm days and cooler evenings
- +Comfortable walking shoes
- +Waterproof jacket and an umbrella (rain is frequent)
- +Waterproof shoes or boots
- +Sunscreen (SPF 30+), sunglasses, and a wide-brim hat
- +Reusable water bottle
- +Universal power adapter
Osaka Year-Round Climate Overview
Osaka has a temperate oceanic climate (Koppen classification: Cfa). The warmest month is August with highs of 32°C, while the coldest month is January at just 8°C. Annual rainfall averages 1455mm across approximately 121 rain days.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 8 | 9 | 13 | 18 | 23 | 26 | 30 | 32 | 28 | 22 | 16 | 11 |
| Low °C | 1 | 1 | 4 | 9 | 15 | 19 | 23 | 24 | 21 | 15 | 9 | 4 |
| Rain Days | 6 | 8 | 11 | 10 | 10 | 13 | 14 | 12 | 12 | 10 | 8 | 7 |
| Rain mm | 58 | 67 | 110 | 121 | 141 | 197 | 187 | 108 | 168 | 156 | 79 | 63 |
| Sun h/day | 7 | 8 | 8 | 9 | 9 | 8 | 9 | 11 | 9 | 8 | 7 | 7 |
| Humidity % | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 |
| UV Index | 2 | 2 | 6 | 6 | 9 | 9 | 9 | 9 | 6 | 6 | 2 | 2 |
Compare Nearby Destinations
Considering alternatives to Osaka? Compare the best travel months for nearby cities:
Frequently Asked Questions
What is the best month to visit Osaka?+
The best time to visit Osaka is April, May, September. During these months, temperatures average 23°C (73°F) with 9 hours of daily sunshine and only 11 rain days per month. These conditions offer the most comfortable weather for sightseeing and outdoor activities.
What is the worst time to visit Osaka?+
The least ideal time to visit Osaka is January and July. During this period, you can expect cold weather. While Osaka can still be visited during this time (often with fewer crowds and lower prices), the weather may limit outdoor activities.
Is Osaka good to visit in summer?+
Summer in Osaka (June to August) brings temperatures of 29°C (84°F) highs and 22°C (72°F) lows, with about 9 hours of sunshine and 13 rain days per month. This is generally a good time to visit.
What is the rainy season in Osaka?+
The rainy season in Osaka runs from June to July, when average rain days increase to 14 days per month. Total monthly precipitation during this period averages 192mm.
What should I pack for Osaka?+
When visiting Osaka during the best travel months (April, May, September), pack light layers for warm days and cooler evenings, comfortable walking shoes, and a light jacket. A waterproof jacket and umbrella are essential. Sunscreen and sunglasses are recommended, especially given the high UV index.
Is April a good time to visit Osaka?+
Yes, April is one of the best months to visit Osaka. Expect average highs of 18°C (64°F), 9 hours of daily sunshine, and only 10 rain days. The weather is ideal for exploring the city, visiting outdoor attractions, and enjoying local activities.
Detailed Monthly Weather for Osaka
For a complete day-by-day weather breakdown including packing lists, activities, and local events, explore each month individually:
January
February
March
April
May
June
July
August
September
October
November
December
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