Climate · Osaka

Osaka in May

Warm and damp, as the days lengthen.

Typical weather, averaged over 30 years

May in Osaka is warm: highs near 76°F, lows near 58°F. Rain falls on about two days a week, and the days lengthen by 41 minutes from the first week to the last.May in Osaka is warm: highs near 24°C, lows near 14°C. Rain falls on about two days a week, and the days lengthen by 41 minutes from the first week to the last.

High
76°F24°Caverage
Low
58°F14°Caverage
Wet days
2a week · 34% of days
Daylight
13h 58mon average

Is May a good time to visit Osaka?


Yes. May is one of Osaka's best months (May, or October).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How May sits in the year

week by week

Temperature

Highs near 76°F in May, against 50°F to 92°F through the year.Highs near 24°C in May, against 10°C to 33°C through the year.

Chance of a wet day

34% of days in May, against 22% to 52% through the year.

Cloud cover

56% cover in May, against 42% to 69% through the year.

Daylight

13h 58m in May, against 9h 52m to 14h 26m through the year.

Week by week, lightly smoothed, with May shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. April67°19°low 48°low 9°3 wet days a weekRain on about three days a week.
  2. May76°24°low 58°low 14°2 wet days a weekRain on about two days a week.
  3. June82°28°low 66°low 19°3 wet days a weekRain on about three days a week.

Where Osaka sits, in May

Asia/Tokyo

this place
typical high in May 40°F4°C95°F35°C
Sunrise, mid-May
4:56 AMsets 6:53 PM
Above the sea
10 mlow-lying
Latitude
34.7°Nnorthern hemisphere
Nearest of ours
Kyoto43 km north-east

The land around Osaka, shaded by its typical high in May, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Japan in May

high · low · wet days

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Osaka. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.