Osaka Prefecture · Japan
Osaka in May
In May, Osaka averages a daytime high of 24 °C and a night-time low of 14 °C, with about 142 mm of rain over the month. Osaka has no month that is both mild and dry by the measure used here.
- Average high
- 24 °C
- Average low
- 14 °C
- Rain in the month
- 142 mm
- Daylight on 15 May
- 14 h
- Comfortable month
- No
- Places to stay
- 196
When to go
How May compares with the rest of the year in Osaka
May is the 5th warmest month in Osaka by average daytime high; across the year the highs run from 9 °C to 33 °C and the lows from 1 °C to 24 °C. By day, May is 5 °C warmer than April, and June is 3 °C warmer than May.
May brings 142 mm of rain, more than the monthly average of 126 mm (1509 mm a year); it is the 4th wettest month.
On 15 May the sun is up for about 14 h, against 9 h 50 min at the shortest and 14 h 30 min at the longest point of the year (calculated from the latitude, sunrise to sunset).
| Month | High | Low | Rain | Comfortable |
|---|---|---|---|---|
| January | 9 °C | 1 °C | 52 mm | |
| February | 10 °C | 1 °C | 66 mm | |
| March | 13 °C | 4 °C | 114 mm | |
| April | 20 °C | 9 °C | 126 mm | |
| May | 24 °C | 14 °C | 142 mm | |
| June | 27 °C | 18 °C | 210 mm | |
| July | 31 °C | 23 °C | 217 mm | |
| August | 33 °C | 24 °C | 130 mm | |
| September | 29 °C | 20 °C | 195 mm | |
| October | 23 °C | 14 °C | 133 mm | |
| November | 17 °C | 8 °C | 71 mm | |
| December | 11 °C | 3 °C | 54 mm |
Comfortable means average daytime high between 18 °C and 29 °C and under 80 mm of rain in the month. Averages for 1991–2020 over the surrounding area, a grid square about 50 km across, so a coast or a nearby mountain can make the town itself warmer or cooler. Data: CRU TS v4.10, Climatic Research Unit, University of East Anglia (Open Database License).
When to go
Is May a good time to visit Osaka?
Not by the measure used here: about 142 mm of rain is 80 mm or more. No month in Osaka meets it.
The measure is about weather for a city stay only; it says nothing about events, school holidays or prices.
Public holidays in Japan in May
Nationwide public holidays; shops and offices may close on these dates.
Where to stay
Where to stay in Osaka
This guide lists 196 places to stay in Osaka: 30 chain properties with their details and own websites, and 166 hotels recorded in Wikidata. By straight-line distance from the centre: under 1 km, 29; 1–3 km, 90; 3–10 km, 49.
Sources: climate from CRU TS v4.10 (Climatic Research Unit, University of East Anglia; Open Database License), 1991–2020 averages; day length calculated from the latitude; public holidays from python-holidays (MIT); places to stay from each operator's own public pages and Wikidata. How this guide is made.