Fujisawa climate
Fujisawa is warmest in August, with average highs of 28 °C, and coldest in January, when nights average 3.1 °C. October is the wettest month (206 mm) and December the driest (67 mm). Figures are 1991–2020 climate normals.
Across a full year Fujisawa averages 1,601 mm of rain, 72 days above 25 °C and 5 days below freezing.
Japan · population 439,728 · 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 28 °C
- Coldest month January 3.1 °C
- Driest month December 67 mm
- Wettest month October 206 mm
- Least cloud January 42 % cloud
- Hottest on record August 35 °C
- Coldest on record February -6.6 °C
- Warmest sea August 26 °C
What to expectFujisawa through the year
Fujisawa has a clear annual cycle: average daily highs run from 8.8 °C in January to 28 °C in August, a swing of 20 °C in mean temperature across the year.
Counted across a normal year, 72 days a year reach 25 °C, 4 of them reach 30 °C, 5 nights drop below freezing. The warmest reading in the 1991–2020 record is 35 °C, in August.
Rain is strongly seasonal. October averages 206 mm against 67 mm in December — 3.1 times as much. Planning around the dry months matters more here than planning around temperature.
The sea off Fujisawa is warmest in August at 26 °C and coldest in February at 15 °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 | 8.8 °C | 76 mm | 42 % |
| February | 9.3 °C | 78 mm | 51 % |
| March | 12.0 °C | 133 mm | 59 % |
| April | 16.2 °C | 125 mm | 62 % |
| May | 20.0 °C | 141 mm | 69 % |
| June | 22.7 °C | 184 mm | 81 % |
| July | 26.1 °C | 169 mm | 74 % |
| August | 27.6 °C | 124 mm | 64 % |
| September | 25.0 °C | 202 mm | 67 % |
| October | 20.3 °C | 206 mm | 61 % |
| November | 15.8 °C | 96 mm | 53 % |
| December | 11.3 °C | 67 mm | 43 % |
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 | 8.8 °C | 3.1 °C | 5.9 °C | 17.3 °C | -5.1 °C | 0 | 0 | 3 |
| February | 9.3 °C | 3.3 °C | 6.2 °C | 18.6 °C | -6.6 °C | 0 | 0 | 2 |
| March | 12.0 °C | 6.1 °C | 9.1 °C | 20.6 °C | -0.7 °C | 0 | 0 | 0 |
| April | 16.2 °C | 10.6 °C | 13.5 °C | 23.7 °C | 1.0 °C | 0 | 0 | 0 |
| May | 20.0 °C | 15.2 °C | 17.6 °C | 26.8 °C | 7.0 °C | 0 | 0 | 0 |
| June | 22.7 °C | 18.9 °C | 20.8 °C | 29.6 °C | 12.6 °C | 4 | 0 | 0 |
| July | 26.1 °C | 22.6 °C | 24.3 °C | 33.1 °C | 17.0 °C | 21 | 1 | 0 |
| August | 27.6 °C | 23.8 °C | 25.6 °C | 34.7 °C | 17.9 °C | 28 | 3 | 0 |
| September | 25.0 °C | 21.0 °C | 22.9 °C | 31.9 °C | 14.0 °C | 17 | 1 | 0 |
| October | 20.3 °C | 15.9 °C | 18.1 °C | 29.1 °C | 8.3 °C | 1 | 0 | 0 |
| November | 15.8 °C | 10.7 °C | 13.3 °C | 22.6 °C | 2.2 °C | 0 | 0 | 0 |
| December | 11.3 °C | 5.8 °C | 8.5 °C | 22.4 °C | -3.5 °C | 0 | 0 | 0 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind | Sea temp |
|---|---|---|---|---|---|---|---|
| January | 76 mm | 8 | 10 h/day | 42 % | 64 % | 20 km/h | 16.3 °C |
| February | 78 mm | 9 | 11 h/day | 51 % | 65 % | 20 km/h | 15.3 °C |
| March | 133 mm | 13 | 12 h/day | 59 % | 70 % | 23 km/h | 15.6 °C |
| April | 125 mm | 12 | 13 h/day | 62 % | 75 % | 23 km/h | 16.8 °C |
| May | 141 mm | 12 | 14 h/day | 69 % | 80 % | 21 km/h | 18.9 °C |
| June | 184 mm | 15 | 15 h/day | 81 % | 85 % | 19 km/h | 21.3 °C |
| July | 169 mm | 14 | 14 h/day | 74 % | 87 % | 19 km/h | 23.9 °C |
| August | 124 mm | 13 | 14 h/day | 64 % | 85 % | 18 km/h | 26.0 °C |
| September | 202 mm | 14 | 12 h/day | 67 % | 81 % | 20 km/h | 25.3 °C |
| October | 206 mm | 12 | 11 h/day | 61 % | 77 % | 19 km/h | 23.0 °C |
| November | 96 mm | 9 | 10 h/day | 53 % | 72 % | 18 km/h | 20.8 °C |
| December | 67 mm | 7 | 9.8 h/day | 43 % | 67 % | 19 km/h | 18.4 °C |
How Fujisawa 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 |
|---|---|---|---|---|
| Fujisawa | 28 °C | 3.1 °C | 1,601 mm | 72 |
| Atsugi · Japan | 28 °C | 1.8 °C | 1,863 mm | 74 |
| Yokohama · Japan | 28 °C | 2.4 °C | 1,493 mm | 75 |
| Yokosuka · Japan | 27 °C | 4.3 °C | 1,517 mm | 70 |
| Machida · Japan | 28 °C | 0.4 °C | 1,619 mm | 75 |
| Hadano · Japan | 28 °C | 1.2 °C | 1,862 mm | 82 |
| Kawasaki · Japan | 29 °C | 1.6 °C | 1,484 mm | 87 |
Where Fujisawa ranks
| Ranking | Position | Value |
|---|---|---|
| The coolest places in Asia in June | 44th of 50 | 23 °C |
Planning a trip? See the best time to visit Fujisawa.
QuestionsCommon questions about Fujisawa’s climate
When is the best time to visit Fujisawa?
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 December the driest. The month-by-month table above has the full picture.
How hot does Fujisawa get?
In August, the warmest month, daily highs average 28 °C. About 4 days a year pass 30 °C. The highest value in the 1991–2020 record is 35 °C.
How cold does it get in winter?
Nights average 3.1 °C in January, the coldest month. A normal year has 5 nights below freezing.
Which month is wettest in Fujisawa?
October, averaging 206 mm over 12 days with rain. The driest month is December with 67 mm. The year as a whole averages 1,601 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 Fujisawa 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
- Data point
- 35.349°, 139.477° (the coordinates the reanalysis values are taken for)
- 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.