Jepara climate
Jepara is warmest in September, with average highs of 32 °C, and coldest in August, when nights average 24 °C. January is the wettest month (510 mm) and August the driest (21 mm). Figures are 1991–2020 climate normals.
Across a full year Jepara averages 2,646 mm of rain and 365 days above 25 °C.
Indonesia · population 1,257,912 · 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 September 32 °C
- Coldest month August 24 °C
- Driest month August 21 mm
- Wettest month January 510 mm
- Least cloud August 50 % cloud
- Hottest on record October 37 °C
- Coldest on record August 21 °C
- Warmest sea November 30 °C
What to expectJepara through the year
Jepara changes little through the year. Average daily highs stay between 31 and 32 °C, so no month stands out as a season in the way it would further from the equator.
Counted across a normal year, 365 days a year reach 25 °C, 177 of them reach 30 °C. The warmest reading in the 1991–2020 record is 37 °C, in October.
Rain is strongly seasonal. January averages 510 mm against 21 mm in August — 24 times as much. Planning around the dry months matters more here than planning around temperature.
The sea off Jepara is warmest in November at 30 °C and coldest in February at 28 °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 | 28.2 °C | 510 mm | 91 % |
| February | 28.2 °C | 425 mm | 92 % |
| March | 29.0 °C | 329 mm | 85 % |
| April | 29.6 °C | 243 mm | 78 % |
| May | 30.0 °C | 130 mm | 63 % |
| June | 30.1 °C | 86 mm | 57 % |
| July | 30.6 °C | 45 mm | 53 % |
| August | 31.4 °C | 21 mm | 50 % |
| September | 32.0 °C | 35 mm | 56 % |
| October | 31.7 °C | 112 mm | 67 % |
| November | 30.3 °C | 263 mm | 82 % |
| December | 28.9 °C | 448 mm | 91 % |
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 | 28.2 °C | 24.4 °C | 25.9 °C | 31.3 °C | 23.2 °C | 31 | 2 | 0 |
| February | 28.2 °C | 24.4 °C | 25.9 °C | 31.2 °C | 23.1 °C | 28 | 1 | 0 |
| March | 29.0 °C | 24.5 °C | 26.4 °C | 31.2 °C | 22.9 °C | 31 | 4 | 0 |
| April | 29.6 °C | 24.8 °C | 26.7 °C | 32.0 °C | 23.3 °C | 30 | 10 | 0 |
| May | 30.0 °C | 24.9 °C | 27.1 °C | 32.1 °C | 22.4 °C | 31 | 17 | 0 |
| June | 30.1 °C | 24.5 °C | 26.9 °C | 32.9 °C | 22.3 °C | 30 | 16 | 0 |
| July | 30.6 °C | 24.2 °C | 26.9 °C | 33.4 °C | 22.1 °C | 31 | 22 | 0 |
| August | 31.4 °C | 24.1 °C | 27.3 °C | 34.5 °C | 21.2 °C | 31 | 29 | 0 |
| September | 32.0 °C | 24.6 °C | 27.8 °C | 35.7 °C | 21.8 °C | 30 | 28 | 0 |
| October | 31.7 °C | 25.1 °C | 27.8 °C | 36.9 °C | 22.8 °C | 31 | 26 | 0 |
| November | 30.3 °C | 25.0 °C | 27.1 °C | 35.5 °C | 23.5 °C | 30 | 16 | 0 |
| December | 28.9 °C | 24.6 °C | 26.3 °C | 32.7 °C | 23.0 °C | 31 | 5 | 0 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind | Sea temp |
|---|---|---|---|---|---|---|---|
| January | 510 mm | 30 | 12 h/day | 91 % | 90 % | 18 km/h | 28.9 °C |
| February | 425 mm | 27 | 12 h/day | 92 % | 90 % | 18 km/h | 28.4 °C |
| March | 329 mm | 28 | 12 h/day | 85 % | 89 % | 14 km/h | 28.9 °C |
| April | 243 mm | 26 | 12 h/day | 78 % | 88 % | 12 km/h | 29.6 °C |
| May | 130 mm | 19 | 12 h/day | 63 % | 84 % | 13 km/h | 29.7 °C |
| June | 86 mm | 13 | 12 h/day | 57 % | 81 % | 14 km/h | 29.3 °C |
| July | 45 mm | 8 | 12 h/day | 53 % | 76 % | 16 km/h | 28.6 °C |
| August | 21 mm | 5 | 12 h/day | 50 % | 71 % | 16 km/h | 28.4 °C |
| September | 35 mm | 6 | 12 h/day | 56 % | 70 % | 16 km/h | 28.8 °C |
| October | 112 mm | 14 | 12 h/day | 67 % | 75 % | 14 km/h | 29.3 °C |
| November | 263 mm | 24 | 12 h/day | 82 % | 83 % | 12 km/h | 29.8 °C |
| December | 448 mm | 30 | 13 h/day | 91 % | 89 % | 15 km/h | 29.5 °C |
How Jepara compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Jepara | 32 °C | 24 °C | 2,646 mm | 365 |
| Semarang · Indonesia | 32 °C | 23 °C | 2,324 mm | 365 |
| Ungaran · Indonesia | 31 °C | 21 °C | 2,896 mm | 358 |
| Salatiga · Indonesia | 30 °C | 20 °C | 2,934 mm | 356 |
| Surakarta · Indonesia | 33 °C | 21 °C | 2,207 mm | 365 |
| Pekalongan · Indonesia | 31 °C | 23 °C | 3,350 mm | 365 |
Where Jepara ranks
| Ranking | Position | Value |
|---|---|---|
| Warmest sea temperatures in Asia in November | 13thof 50 | 30 °C |
| Warmest sea temperatures in the world in November | 13thof 50 | 30 °C |
| Warmest sea temperatures in Asia in December | 16thof 50 | 30 °C |
| Warmest sea temperatures in the world in December | 19thof 50 | 30 °C |
| Warmest sea temperatures in Asia in January | 23rdof 50 | 29 °C |
| Warmest sea temperatures in the world in January | 35thof 50 | 29 °C |
Planning a trip? See the best time to visit Jepara.
QuestionsCommon questions about Jepara’s climate
When is the best time to visit Jepara?
That depends on what you want, so the honest answer is a comparison rather than a single month. January, February, December sit closest to 20 °C on average, September is the warmest month and August the driest. The month-by-month table above has the full picture.
How hot does Jepara get?
In September, the warmest month, daily highs average 32 °C. About 177 days a year pass 30 °C. The highest value in the 1991–2020 record is 37 °C.
How cold does it get in winter?
Nights average 24 °C in August, the coldest month. Freezing nights are not part of a normal year here.
Which month is wettest in Jepara?
January, averaging 510 mm over 30 days with rain. The driest month is August with 21 mm. The year as a whole averages 2,646 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 Jepara 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.