Kurume climate
Kurume is warmest in August, with average highs of 31 °C, and coldest in January, when nights average 1.8 °C. June is the wettest month (378 mm) and January the driest (62 mm). Figures are 1991–2020 climate normals.
Across a full year Kurume averages 1,917 mm of rain, 122 days above 25 °C and 18 days below freezing.
Japan · population 303,579 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month August 31 °C
- Coldest month January 1.8 °C
- Driest month January 62 mm
- Wettest month June 378 mm
- Least cloud October 49 % cloud
- Hottest on record August 39 °C
- Coldest on record February -5.0 °C
- Warmest sea August 27 °C
What to expectKurume through the year
Kurume has a clear annual cycle: average daily highs run from 9.0 °C in January to 31 °C in August, a swing of 22 °C in mean temperature across the year.
Counted across a normal year, 122 days a year reach 25 °C, 44 of them reach 30 °C, 18 nights drop below freezing. The warmest reading in the 1991–2020 record is 39 °C, in August.
Rain is strongly seasonal. June averages 378 mm against 62 mm in January — 6.1 times as much. Planning around the dry months matters more here than planning around temperature.
The sea off Kurume is warmest in August at 27 °C and coldest in February at 13 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 9.0 °C | 62 mm | 65 % |
| February | 10.5 °C | 84 mm | 63 % |
| March | 14.0 °C | 131 mm | 63 % |
| April | 19.2 °C | 149 mm | 63 % |
| May | 23.8 °C | 164 mm | 68 % |
| June | 26.4 °C | 378 mm | 81 % |
| July | 29.5 °C | 323 mm | 73 % |
| August | 30.9 °C | 175 mm | 62 % |
| September | 27.6 °C | 192 mm | 59 % |
| October | 22.5 °C | 103 mm | 49 % |
| November | 16.8 °C | 88 mm | 52 % |
| December | 11.2 °C | 68 mm | 58 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 9.0 °C | 1.8 °C | 5.1 °C | 18.3 °C | -4.8 °C | 0 | 0 | 6 |
| February | 10.5 °C | 2.3 °C | 6.1 °C | 21.7 °C | -5.0 °C | 0 | 0 | 6 |
| March | 14.0 °C | 5.0 °C | 9.2 °C | 23.0 °C | -2.3 °C | 0 | 0 | 1 |
| April | 19.2 °C | 9.6 °C | 14.1 °C | 27.5 °C | -0.4 °C | 1 | 0 | 0 |
| May | 23.8 °C | 14.3 °C | 18.8 °C | 34.7 °C | 5.5 °C | 11 | 0 | 0 |
| June | 26.4 °C | 19.0 °C | 22.4 °C | 35.1 °C | 12.2 °C | 21 | 2 | 0 |
| July | 29.5 °C | 23.0 °C | 25.8 °C | 37.6 °C | 16.7 °C | 29 | 15 | 0 |
| August | 30.9 °C | 23.5 °C | 26.8 °C | 38.8 °C | 16.5 °C | 30 | 20 | 0 |
| September | 27.6 °C | 19.7 °C | 23.2 °C | 35.3 °C | 10.6 °C | 24 | 6 | 0 |
| October | 22.5 °C | 13.8 °C | 17.7 °C | 31.2 °C | 4.4 °C | 6 | 0 | 0 |
| November | 16.8 °C | 8.4 °C | 12.2 °C | 25.3 °C | -0.5 °C | 0 | 0 | 0 |
| December | 11.2 °C | 3.6 °C | 7.1 °C | 22.4 °C | -3.2 °C | 0 | 0 | 3 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind | Sea temp |
|---|---|---|---|---|---|---|---|
| January | 62 mm | 8 | 10 h/day | 65 % | 74 % | 14 km/h | 14.3 °C |
| February | 84 mm | 8 | 11 h/day | 63 % | 74 % | 15 km/h | 13.2 °C |
| March | 131 mm | 11 | 12 h/day | 63 % | 75 % | 15 km/h | 14.0 °C |
| April | 149 mm | 11 | 13 h/day | 63 % | 75 % | 15 km/h | 16.1 °C |
| May | 164 mm | 11 | 14 h/day | 68 % | 77 % | 13 km/h | 18.9 °C |
| June | 378 mm | 17 | 14 h/day | 81 % | 84 % | 13 km/h | 22.0 °C |
| July | 323 mm | 18 | 14 h/day | 73 % | 86 % | 14 km/h | 25.4 °C |
| August | 175 mm | 14 | 13 h/day | 62 % | 83 % | 13 km/h | 27.3 °C |
| September | 192 mm | 12 | 12 h/day | 59 % | 81 % | 13 km/h | 26.1 °C |
| October | 103 mm | 8 | 11 h/day | 49 % | 78 % | 13 km/h | 23.0 °C |
| November | 88 mm | 8 | 10 h/day | 52 % | 77 % | 13 km/h | 19.6 °C |
| December | 68 mm | 8 | 10.0 h/day | 58 % | 75 % | 14 km/h | 16.6 °C |
Planning a trip? See the best time to visit Kurume.
QuestionsCommon questions about Kurume’s climate
When is the best time to visit Kurume?
That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, October sit closest to 20 °C on average, August is the warmest month and January the driest. The month-by-month table above has the full picture.
How hot does Kurume get?
In August, the warmest month, daily highs average 31 °C. About 44 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.
How cold does it get in winter?
Nights average 1.8 °C in January, the coldest month. A normal year has 18 nights below freezing.
Which month is wettest in Kurume?
June, averaging 378 mm over 17 days with rain. The driest month is January with 62 mm. The year as a whole averages 1,917 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Kurume rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.