Hottest (avg)
#5 / 12
Osaka in May
May weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 14h
What to expect
May marks a typically warm period of spring, where temperatures are climbing noticeably. Thermometers typically reach 23°C / 73°F, with evenings cooling to 14°C / 58°F.
Skies are often overcast, and you should be prepared for regular rainfall (approx. 13 wet days). The sun is very strong at this time of year, making sun protection essential during the day.
May in context
How it compares to the rest of the year in Osaka.
Wettest (avg)
#4 / 12
Daylight Hours
#3 / 12
Windiest (avg)
#6 / 12
Highest UV
#3 / 12
Most Humid
#9 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 14.0 hours
- UV index (max)
- 8
- Typical sun hours
- 04:54 – 18:53
Rain & Snow
- Total
-
- Rainy days
- 13
- Cloud cover
- 66%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 73%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is May a good time to visit Osaka?
Typical May days in Osaka reach highs of 23°C (73°F) with nights around 14°C (57°F). It usually feels warm by day and cool after dark. Overall, May sits in the middle of the Osaka climate range.
What are temperatures like in May?
Daytime temperatures in May typically peak near 23°C (73°F), while nights drop to around 14°C (57°F). Expect warm afternoons and cool evenings.
How much does it rain in May?
Rainfall in May averages 158 mm (6.2 in) across roughly 13 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in May?
You can expect about 14 hours of daylight in May. Sunrise is typically around 04:54 and sunset near 18:53. You get long days with comfortable amounts of daylight.
Does the weather change during May?
May often starts off a little cooler and becomes noticeably warmer by the end of the month.
How strong is the sun in May?
UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.
Is it windy in May?
In May, average wind speeds are around 9 km/h (6 mph), with gusts on the windiest days reaching about 52 km/h (32 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.