> Grapefruit wholesale price forecast for 14 series in Japan: 4- and 12-week ranges, typical error, and the months when grapefruit is cheapest. Updated daily.

Source: https://husfarm.com/forecasts/grapefruit/

[Home](https://husfarm.com/)›[Prices](https://husfarm.com/prices/)›[Price forecasts](https://husfarm.com/forecasts/)›GrapefruitPrice forecast · data of 13 Nov 2026

# Grapefruit price forecast for the next 12 weeks

14 wholesale grapefruit price series from 14 markets in Japan have a forecast. The median series points to a rise over the coming weeks (+13.5% by the end of the forecast), against a typical 12-week error of 11%. Below: when grapefruit is usually cheapest and dearest in 2 countries.

[Grapefruit prices today](https://husfarm.com/today-price/grapefruit/)[Method](https://husfarm.com/forecasts/#method)

[Forecasts](#forecasts)[All series](#all)[Seasonal calendar](#seasons)[Questions](#questions)

## Grapefruit forecasts: 4 markets with the longest test record

Weekly average priceMost likely path80% range: 8 in 10 past forecasts ended inside a range this wide

### [Grapefruit, imported](https://husfarm.com/prices/quotes/fukuoka-city-produce-market-vegfru-stadium/grapefruit-imported/)

🇯🇵 Fukuoka City Central Wholesale Market, Produce Market (Vegefru Stadium), Japan
Latest weekly average**259** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**253–352** most likely 296 · +14.2%
Week of 18 Jan 2027 +12 weeks**242–356** most likely 286 · +10.3%
Typical error in tests8.3% at 4 weeks, 9.2% at 12 weeks (“no change”: 4.9% and 12.1%)

### [Grapefruit, imported](https://husfarm.com/prices/quotes/hiroshima-city-central-wholesale-market/grapefruit-imported/)

🇯🇵 Hiroshima City Central Wholesale Market, Japan
Latest weekly average**198** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**163–241** most likely 199 · +0.6%
Week of 18 Jan 2027 +12 weeks**152–260** most likely 215 · +8.3%
Typical error in tests11.0% at 4 weeks, 11.1% at 12 weeks (“no change”: 11.2% and 17.5%)

### [Grapefruit, imported](https://husfarm.com/prices/quotes/kitakyushu-city-central-wholesale-market/grapefruit-imported/)

🇯🇵 Kitakyushu City Central Wholesale Market, Japan
Latest weekly average**314** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**298–396** most likely 342 · +8.8%
Week of 18 Jan 2027 +12 weeks**269–404** most likely 340 · +8.2%
Typical error in tests7.4% at 4 weeks, 9.8% at 12 weeks (“no change”: 8.0% and 15.0%)

### [Grapefruit, imported](https://husfarm.com/prices/quotes/kobe-city-central-wholesale-market/grapefruit-imported/)

🇯🇵 Kobe City Central Wholesale Market (Main Market), Japan
Latest weekly average**335** JPY/kg week of 26 Oct 2026
Week of 23 Nov 2026 +4 weeks**303–428** most likely 348 · +4.0%
Week of 18 Jan 2027 +12 weeks**289–467** most likely 357 · +6.6%
Typical error in tests7.0% at 4 weeks, 12.1% at 12 weeks (“no change”: 6.7% and 17.1%)

## All grapefruit forecasts

Prices in each market’s currency and unit. Range: 80%. Typical error: median error at 12 weeks in the test on the series’ own history.
Grapefruit price forecasts by market, data of 13 Nov 2026
| Quote and market | Latest week | In 4 weeks | In 12 weeks | Change | Typical error |
| --- | --- | --- | --- | --- | --- |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/fukuoka-city-produce-market-vegfru-stadium/grapefruit-imported/)🇯🇵 Fukuoka City Central Wholesale Market, Produce Market (Vegefru Stadium)
| 259 JPY/kg | 253–352 | 242–356 | +10.3% | ±9% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/hiroshima-city-central-wholesale-market/grapefruit-imported/)🇯🇵 Hiroshima City Central Wholesale Market
| 198 JPY/kg | 163–241 | 152–260 | +8.3% | ±11% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/kitakyushu-city-central-wholesale-market/grapefruit-imported/)🇯🇵 Kitakyushu City Central Wholesale Market
| 314 JPY/kg | 298–396 | 269–404 | +8.2% | ±10% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/kobe-city-central-wholesale-market/grapefruit-imported/)🇯🇵 Kobe City Central Wholesale Market (Main Market)
| 335 JPY/kg | 303–428 | 289–467 | +6.6% | ±12% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/kyoto-central-wholesale-market/grapefruit-imported/)🇯🇵 Kyoto City Central Wholesale Market
| 258 JPY/kg | 256–337 | 210–369 | +15.6% | ±11% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/nagoya-city-central-wholesale-market-honjo/grapefruit-imported/)🇯🇵 Nagoya City Central Wholesale Market (Main Market)
| 295 JPY/kg | 243–409 | 225–396 | +0.1% | ±8% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/osaka-city-central-wholesale-market-honjo/grapefruit-imported/)🇯🇵 Osaka City Central Wholesale Market (Main Market)
| 234 JPY/kg | 229–302 | 231–346 | +21.3% | ±12% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/sapporo-city-central-wholesale-market/grapefruit-imported/)🇯🇵 Sapporo City Central Wholesale Market
| 310 JPY/kg | 308–391 | 329–491 | +28.6% | ±10% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/sendai-city-central-wholesale-market-honjo/grapefruit-imported/)🇯🇵 Sendai City Central Wholesale Market (Main Market)
| 345 JPY/kg | 298–509 | 304–571 | +21.4% | ±16% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/toshima-market/grapefruit-imported/)🇯🇵 Toshima Market (Tokyo Metropolitan Central Wholesale Market)
| 215 JPY/kg | 167–465 | 157–490 | +30.2% | ±18% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/toyosu-market/grapefruit-imported/)🇯🇵 Toyosu Market (Tokyo Metropolitan Central Wholesale Market)
| 281 JPY/kg | 250–344 | 278–448 | +21.4% | ±15% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/yodobashi-market/grapefruit-imported/)🇯🇵 Yodobashi Market (Tokyo Metropolitan Central Wholesale Market)
| 284 JPY/kg | 245–412 | 266–467 | +12.8% | ±11% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/yokohama-central-wholesale-market-honjo/grapefruit-imported/)🇯🇵 Yokohama City Central Wholesale Market (Main Market)
| 202 JPY/kg | 185–303 | 168–357 | +14.1% | ±27% |
| [Grapefruit, imported](https://husfarm.com/prices/quotes/kanazawa-city-central-wholesale-market/grapefruit-imported/)🇯🇵 Kanazawa City Central Wholesale Market
| 287 JPY/kg | 222–409 | 232–437 | +12.1% | ±13% |

## When is grapefruit cheapest? Seasonal price calendar

Usual wholesale price in each month against the yearly average, by country.
Grapefruit wholesale prices by month, percent above or below the yearly average
| Country | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Cheapest | Dearest |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 🇯🇵 Japan18 series · 18 markets · 2024–2026 | +13 | +14 | +11 | +9 | +4 | −7 | −11 | −14 | −16 | −6 | +6 | +15 | September | December |
| 🇵🇱 Poland1 series · 1 market · 2018–2026 | +2 | +0 | +4 | −4 | +1 | +9 | +7 | −0 | −10 | −9 | −5 | +2 | September | June |

cheaper than the yearly average · dearer · figures in % · · no quotes in that month (season or data gap). Monthly averages of each series against its yearly average, after removing the long-term trend such as inflation; median across series and markets of the country, years with at least 10 months of quotes.

### A statistical forecast, not advice

The forecasts extend each series’ own seasonal pattern; they do not know about this year’s weather, harvests, policy or currency moves. Use the range, not only the central figure, and do not base trading, purchasing or credit decisions on them alone.

## Questions and answers

Will grapefruit prices go up or down in the coming weeks?Of 14 grapefruit price series with a forecast, 14 point higher and 0 lower or flat by the end of the forecast; the median series points to a rise (+13.5%). The forecasts repeat what the season usually does and are recalculated daily (data of 13 Nov 2026).
When is grapefruit cheapest?In Japan, wholesale grapefruit prices are usually lowest in September (−15.9% against the yearly average) and highest in December (+14.6%), based on 18 price series from 18 markets, 2024–2026. The calendar on this page shows 1 more country.
How accurate is the grapefruit price forecast?In tests on the last 52 weeks of each series, the typical 12-week error of the published grapefruit forecasts was 11%. Each series passed the test only because its errors were smaller than those of a “no change” forecast. Results of the archived forecasts are on the accuracy page.
Where do the grapefruit prices come from?From the wholesale markets and price services listed on each series, as published, in their own currencies and units. Husfarm does not adjust them except to compute weekly and monthly averages.

[Husfarm Grapefruit Index](https://husfarm.com/indices/grapefruit-world/) · [Grapefruit prices today](https://husfarm.com/today-price/grapefruit/) · [All price forecasts](https://husfarm.com/forecasts/) · [Accuracy](https://husfarm.com/forecasts/accuracy/)
Calculated from Husfarm price data; changes with every update. Data licensed under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).

---
Husfarm: https://husfarm.com/ · Site guide for agents: https://husfarm.com/llms.txt