Travel Weather Fairy⚠️ Busy / closure periodMay related
Golden Week
📅 Late April–early May
One of Japan’s busiest domestic travel periods. Popular transport and hotels can fill quickly, so early booking is useful.
Check official source →🇯🇵 Japan · Osaka
Osaka Weather in May
SpringMay in Osaka is usually mild by day and cool at night, with 2016–2025 average highs around 23°C (74°F) and lows near 14°C (58°F). Rain is fairly common, with about 12 days reaching at least 1 mm of precipitation and roughly 189 mm for the month.
Avg high73.6°F 23.1°CAvg low58.0°F 14.4°CRainy days~11.6 daysMonthly rain189.1 mm
🧳 Packing guide
What to wear in Osaka in May
For what to wear in Osaka in May, light daytime clothing is usually comfortable, but add a thin cardigan or light jacket for evenings. Add a compact umbrella or light rain jacket because wet weather is common enough to affect sightseeing.
Travel takeaway: For many travelers, these temperatures are comfortable for city sightseeing when you pack one flexible layer.
🗓️ Travel timing at a glance
Osaka: 12-month travel weather
Osaka has four distinct seasons, a wetter early-summer period and hot, humid midsummer weather. Typhoon impacts are possible in late summer.
JanWinterFebWinterMarEarly springAprSpringMaySpringJunRainy seasonJulRainy season · SummerAugMidsummer · Typhoon riskSepLate summer · Typhoon riskOctAutumnNovLate autumnDecWinter
Monthly labels summarize typical climate patterns for trip planning. Always check the latest forecast and tropical-storm alerts before departure.
🎉 Trip planning check
Osaka 2026 events & busy periods
Check major events, holidays and periods that may affect crowds, transport or opening hours.
🎊 Featured event
Tenjin Matsuri
📅 Jul 24–25 each year
One of Osaka’s signature summer festivals, with traditional processions, a boat procession on the Okawa River and evening fireworks.
Check official source →Event dates, holiday schedules and opening hours can change. Recheck the linked official tourism or government source before departure.
Osaka in May · recent 3 years
Compare the most recent complete year with the two years before it. Daily high / low temperatures are shown in °F.
CalendarNo measurable rain🌧️ Rain⛈️ Thunderstorm❄️ SnowHigh / Low · °F
⭐ May 2025 · latest complete year☔ 13 days · 212.2 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
26.1°C/12.3°C
No rain
2
19.9°C/13.5°C
🌧️ 30.8 mm
3
20.3°C/10.1°C
No rain
4
21.3°C/13.9°C
No rain
5
22.4°C/10.7°C
No rain
6
17.5°C/14°C
🌧️ 25.8 mm
7
20.4°C/12.4°C
No rain
8
23.4°C/9.1°C
No rain
9
21.9°C/15.8°C
🌧️ 17.2 mm
10
23.1°C/16.4°C
🌧️ 8.8 mm
11
20.3°C/14.7°C
🌧️ 4.7 mm
12
19.5°C/14.6°C
🌧️ 3 mm
13
23.9°C/13.2°C
No rain
14
24.5°C/14.8°C
No rain
15
24.9°C/15.3°C
No rain
16
26.4°C/18.1°C
No rain
17
26.9°C/19.7°C
🌧️ 34.8 mm
18
26.6°C/20.4°C
No rain
19
23.1°C/17.8°C
No rain
20
27.3°C/19.7°C
No rain
21
28.8°C/21.2°C
🌧️ 10.1 mm
22
29°C/18.1°C
🌧️ 3.3 mm
23
25.6°C/15.9°C
No rain
24
21.5°C/18.4°C
🌧️ 37.1 mm
25
20.5°C/15.1°C
🌧️ 27 mm
26
20.9°C/13.9°C
No rain
27
23.8°C/14°C
🌧️ 1.9 mm
28
25.5°C/15.6°C
No rain
29
21.8°C/18.7°C
🌧️ 4.7 mm
30
24.2°C/16.7°C
No rain
31
23.2°C/17.5°C
No rain
May 2024☔ 13 days · 275.8 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
18.4°C/13.1°C
🌧️ 8.8 mm
2
21.1°C/10.8°C
No rain
3
23.1°C/10.5°C
No rain
4
23.8°C/11.4°C
No rain
5
23.8°C/12°C
No rain
6
24.6°C/15°C
🌧️ 11.6 mm
7
21.9°C/17.2°C
🌧️ 18.3 mm
8
19.3°C/11°C
No rain
9
17.9°C/10°C
No rain
10
21°C/7.2°C
No rain
11
23.1°C/9.8°C
No rain
12
24.9°C/16.5°C
🌧️ 11.8 mm
13
19.2°C/12.7°C
🌧️ 44.4 mm
14
22.4°C/8.1°C
No rain
15
22°C/12.6°C
🌧️ 5.8 mm
16
18.5°C/14.1°C
🌧️ 3.5 mm
17
22.1°C/13.2°C
No rain
18
26.6°C/11.2°C
No rain
19
19.2°C/15.4°C
🌧️ 26.1 mm
20
21.6°C/13.1°C
🌧️ 3.3 mm
21
24.6°C/14.7°C
No rain
22
24.4°C/12.2°C
No rain
23
24.7°C/16°C
No rain
24
24.7°C/15.3°C
No rain
25
24.2°C/14.7°C
No rain
26
25.6°C/12°C
No rain
27
27°C/18.8°C
🌧️ 17.1 mm
28
21.6°C/16°C
🌧️ 117.6 mm
29
23.2°C/13.7°C
No rain
30
25.1°C/11°C
🌧️ 2.6 mm
31
20.7°C/17.3°C
🌧️ 4.9 mm
May 2023☔ 12 days · 254.6 mm
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1
20.4°C/9°C
No rain
2
20.5°C/9°C
No rain
3
20.2°C/8.9°C
No rain
4
21.2°C/13.2°C
No rain
5
23.7°C/12.7°C
No rain
6
25°C/16.4°C
🌧️ 7.5 mm
7
21.2°C/14.2°C
🌧️ 116.9 mm
8
18.2°C/12.6°C
🌧️ 23.3 mm
9
20.8°C/11.2°C
No rain
10
21.1°C/11.5°C
No rain
11
23.3°C/11.2°C
No rain
12
23.8°C/8.6°C
No rain
13
22.7°C/13.5°C
🌧️ 13.6 mm
14
23.1°C/15°C
🌧️ 10.8 mm
15
23.6°C/14°C
🌧️ 2.8 mm
16
23.2°C/12.4°C
No rain
17
25.1°C/15.1°C
No rain
18
24.9°C/15.2°C
No rain
19
20.4°C/18°C
🌧️ 31 mm
20
24.5°C/15.9°C
No rain
21
24.9°C/15.3°C
No rain
22
24.9°C/15.8°C
🌧️ 2.9 mm
23
21.9°C/14.7°C
🌧️ 1.1 mm
24
21.9°C/12.7°C
No rain
25
23.2°C/13.3°C
No rain
26
23.4°C/15.9°C
No rain
27
24.3°C/17.1°C
No rain
28
24°C/16.4°C
No rain
29
23.3°C/20.4°C
🌧️ 20.1 mm
30
23.1°C/18.3°C
🌧️ 20.8 mm
31
22.1°C/16.6°C
🌧️ 2 mm
Historical calendars use Open-Meteo reanalysis data. A rainy day is counted when daily precipitation is at least 1 mm. Conditions at a specific hotel, beach or station can differ.
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Current Osaka weather and 7-day forecast
When departure is close, the latest forecast matters more than long-term averages.
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Forecast data: MET Norway · CC BY 4.0 · cached by Travel Weather Fairy
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Osaka weather in other months
Switch months to compare the seasonal pattern.