Hiratsuka weather in January
In January, Hiratsuka sees average daytime highs of 9°C and overnight lows near 4°C, with 98 mm of precipitation across 10 wet days and about 9.9 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.
Day-to-day highs hold fairly steady near 9°C through the month. The sky is clear or mostly clear about 47% of the time in January, and the air most often feels dry.
Daylight stretches from about 9 h 42 min at the start of January to 10 h 12 min by month's end. Set against the rest of the year, January is Hiratsuka's 2nd-clearest and 7th-windiest month. For the whole year in context, see Hiratsuka's year-round climate.
- Daytime high
- 9°
- 12th warmest
- Overnight low
- 4°
- 2nd coldest
- Precipitation
- 98 mm
- 10 wet days
- Daylight
- 9 h 54 min
- 6:56 AM – 4:48 PM
- Cloud cover
- 47%
- 2nd clearest
- Wind
- 13 km/h
- 7th windiest
- Solar energy
- 2.72 kWh/m²
- Travel score
- 1.7
- out of 10
Hiratsuka is city in Kanagawa prefecture, Japan.
- Density
- 3,810/km²
- people per km²
- Founded
- 1932
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 9°C through the month.
A typical January day in Hiratsuka reaches about 9°C in the afternoon and slips back to 4°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 12°C. Set against its neighbours, January runs about 3°C cooler than December and on par with February.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Avg low (°C) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 9 | 5 |
| 2 | 9 | 5 |
| 3 | 9 | 5 |
| 4 | 9 | 5 |
| 5 | 9 | 5 |
| 6 | 9 | 5 |
| 7 | 9 | 5 |
| 8 | 9 | 5 |
| 9 | 9 | 5 |
| 10 | 9 | 5 |
| 11 | 9 | 5 |
| 12 | 9 | 5 |
| 13 | 9 | 5 |
| 14 | 9 | 5 |
| 15 | 9 | 4 |
| 16 | 8 | 4 |
| 17 | 8 | 4 |
| 18 | 8 | 4 |
| 19 | 8 | 4 |
| 20 | 8 | 4 |
| 21 | 8 | 4 |
| 22 | 8 | 4 |
| 23 | 8 | 4 |
| 24 | 8 | 4 |
| 25 | 8 | 4 |
| 26 | 8 | 4 |
| 27 | 8 | 4 |
| 28 | 8 | 4 |
| 29 | 8 | 4 |
| 30 | 8 | 4 |
| 31 | 8 | 4 |
Hiratsuka weather by month
How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 4° | 98 | 10 | 2.3 | 9.9 | 1.7 |
| Feb | 9° / 4° | 107 | 11.3 | 2.7 | 10.7 | 1.7 |
| Mar | 12° / 7° | 186 | 16.3 | 1.6 | 11.7 | 2.6 |
| Apr | 15° / 11° | 176 | 14.4 | 0.3 | 12.9 | 4.2 |
| May | 19° / 15° | 181 | 13.6 | 0 | 13.8 | 5.5 |
| Jun | 22° / 19° | 231 | 15.9 | 0 | 14.3 | 5.3 |
| Jul | 25° / 22° | 200 | 14.7 | 0 | 14.1 | 5.8 |
| Aug | 27° / 24° | 154 | 13.5 | 0 | 13.3 | 6.0 |
| Sep | 24° / 21° | 241 | 15.5 | 0 | 12.2 | 5.8 |
| Oct | 20° / 17° | 267 | 15.5 | 0 | 11.1 | 5.5 |
| Nov | 16° / 12° | 141 | 13.1 | 0 | 10.1 | 4.5 |
| Dec | 11° / 7° | 94 | 10.9 | 0.3 | 9.7 | 2.8 |
Cloud cover in January
The sky is clear or mostly clear about 47% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 71 | 71 | 71 | 71 | 70 | 70 | 69 | 69 | 68 | 67 | 66 | 65 | 63 | 62 | 61 | 60 | 59 | 58 | 58 | 57 | 57 | 57 | 57 | 58 | 58 | 58 | 58 | 59 | 59 | 60 | 60 |
| Cloudier (%) | 29 | 29 | 29 | 29 | 30 | 30 | 31 | 31 | 32 | 33 | 34 | 35 | 37 | 38 | 39 | 40 | 41 | 42 | 42 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 42 | 41 | 41 | 40 | 40 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 71 | 29 |
| 2 | 71 | 29 |
| 3 | 71 | 29 |
| 4 | 71 | 29 |
| 5 | 70 | 30 |
| 6 | 70 | 30 |
| 7 | 69 | 31 |
| 8 | 69 | 31 |
| 9 | 68 | 32 |
| 10 | 67 | 33 |
| 11 | 66 | 34 |
| 12 | 65 | 35 |
| 13 | 63 | 37 |
| 14 | 62 | 38 |
| 15 | 61 | 39 |
| 16 | 60 | 40 |
| 17 | 59 | 41 |
| 18 | 58 | 42 |
| 19 | 58 | 42 |
| 20 | 57 | 43 |
| 21 | 57 | 43 |
| 22 | 57 | 43 |
| 23 | 57 | 43 |
| 24 | 58 | 42 |
| 25 | 58 | 42 |
| 26 | 58 | 42 |
| 27 | 58 | 42 |
| 28 | 59 | 41 |
| 29 | 59 | 41 |
| 30 | 60 | 40 |
| 31 | 60 | 40 |
Chance of precipitation in January
Hiratsuka gets around 98 mm of rain and snow over 10 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 33% and peaks near 36% on the wettest days, and about 2 days bring snow. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 31 | 32 | 32 | 33 | 34 | 34 | 34 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 |
| Snow chance (%) | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 28 | 3 |
| 2 | 28 | 3 |
| 3 | 28 | 4 |
| 4 | 28 | 4 |
| 5 | 29 | 4 |
| 6 | 29 | 4 |
| 7 | 29 | 5 |
| 8 | 30 | 5 |
| 9 | 30 | 5 |
| 10 | 31 | 6 |
| 11 | 32 | 6 |
| 12 | 32 | 7 |
| 13 | 33 | 7 |
| 14 | 34 | 7 |
| 15 | 34 | 8 |
| 16 | 34 | 8 |
| 17 | 35 | 8 |
| 18 | 35 | 9 |
| 19 | 35 | 9 |
| 20 | 36 | 9 |
| 21 | 36 | 9 |
| 22 | 36 | 10 |
| 23 | 36 | 10 |
| 24 | 35 | 10 |
| 25 | 35 | 10 |
| 26 | 35 | 10 |
| 27 | 35 | 10 |
| 28 | 34 | 10 |
| 29 | 34 | 10 |
| 30 | 34 | 10 |
| 31 | 34 | 10 |
Humidity in January
Most of January feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Dry (%) | |
|---|---|
| 1 | 100 |
| 2 | 100 |
| 3 | 100 |
| 4 | 100 |
| 5 | 100 |
| 6 | 100 |
| 7 | 100 |
| 8 | 100 |
| 9 | 100 |
| 10 | 100 |
| 11 | 100 |
| 12 | 100 |
| 13 | 100 |
| 14 | 100 |
| 15 | 100 |
| 16 | 100 |
| 17 | 100 |
| 18 | 100 |
| 19 | 100 |
| 20 | 100 |
| 21 | 100 |
| 22 | 100 |
| 23 | 100 |
| 24 | 100 |
| 25 | 100 |
| 26 | 100 |
| 27 | 100 |
| 28 | 100 |
| 29 | 100 |
| 30 | 100 |
| 31 | 100 |
Wind in January
Winds average 13 km/h in January.
Across January, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
| 31 | 13 | light breeze |
Sunrise & sunset in January
Daylight runs from about 9 h 42 min at the start of January to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 30 minutes over January. Sunrise moves from 6:56 AM to 6:50 AM, and sunset from 4:35 PM to 5:02 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 10.0 | 10.0 | 10.0 | 10.0 | 10.1 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 | 10.2 |
| Sunrise (AM) | 6:56 | 6:56 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:57 | 6:56 | 6:56 | 6:56 | 6:56 | 6:56 | 6:55 | 6:55 | 6:55 | 6:54 | 6:54 | 6:53 | 6:53 | 6:52 | 6:52 | 6:51 | 6:51 | 6:50 | 6:50 |
| Sunset (PM) | 4:35 | 4:36 | 4:37 | 4:38 | 4:38 | 4:39 | 4:40 | 4:41 | 4:42 | 4:42 | 4:43 | 4:44 | 4:45 | 4:46 | 4:47 | 4:48 | 4:49 | 4:50 | 4:51 | 4:52 | 4:52 | 4:53 | 4:54 | 4:55 | 4:56 | 4:57 | 4:58 | 4:59 | 5:00 | 5:01 | 5:02 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 9.7 | 6:56 | 4:35 |
| 2 | 9.7 | 6:56 | 4:36 |
| 3 | 9.7 | 6:57 | 4:37 |
| 4 | 9.7 | 6:57 | 4:38 |
| 5 | 9.7 | 6:57 | 4:38 |
| 6 | 9.7 | 6:57 | 4:39 |
| 7 | 9.7 | 6:57 | 4:40 |
| 8 | 9.7 | 6:57 | 4:41 |
| 9 | 9.7 | 6:57 | 4:42 |
| 10 | 9.8 | 6:57 | 4:42 |
| 11 | 9.8 | 6:57 | 4:43 |
| 12 | 9.8 | 6:57 | 4:44 |
| 13 | 9.8 | 6:57 | 4:45 |
| 14 | 9.8 | 6:56 | 4:46 |
| 15 | 9.8 | 6:56 | 4:47 |
| 16 | 9.9 | 6:56 | 4:48 |
| 17 | 9.9 | 6:56 | 4:49 |
| 18 | 9.9 | 6:56 | 4:50 |
| 19 | 9.9 | 6:55 | 4:51 |
| 20 | 9.9 | 6:55 | 4:52 |
| 21 | 10.0 | 6:55 | 4:52 |
| 22 | 10.0 | 6:54 | 4:53 |
| 23 | 10.0 | 6:54 | 4:54 |
| 24 | 10.0 | 6:53 | 4:55 |
| 25 | 10.1 | 6:53 | 4:56 |
| 26 | 10.1 | 6:52 | 4:57 |
| 27 | 10.1 | 6:52 | 4:58 |
| 28 | 10.1 | 6:51 | 4:59 |
| 29 | 10.2 | 6:51 | 5:00 |
| 30 | 10.2 | 6:50 | 5:01 |
| 31 | 10.2 | 6:50 | 5:02 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 2.72 kWh/m².
For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.18 kWh/m² in May across the year — January's 2.72 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 | 2.7 | 2.7 | 2.7 | 2.8 | 2.8 | 2.8 | 2.8 | 2.9 | 2.9 | 2.9 | 3.0 | 3.0 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.6 | Moderate |
| 2 | 2.6 | Moderate |
| 3 | 2.6 | Moderate |
| 4 | 2.6 | Moderate |
| 5 | 2.6 | Moderate |
| 6 | 2.6 | Moderate |
| 7 | 2.6 | Moderate |
| 8 | 2.6 | Moderate |
| 9 | 2.6 | Moderate |
| 10 | 2.6 | Moderate |
| 11 | 2.6 | Moderate |
| 12 | 2.6 | Moderate |
| 13 | 2.6 | Moderate |
| 14 | 2.6 | Moderate |
| 15 | 2.6 | Moderate |
| 16 | 2.6 | Moderate |
| 17 | 2.6 | Moderate |
| 18 | 2.6 | Moderate |
| 19 | 2.6 | Moderate |
| 20 | 2.7 | Moderate |
| 21 | 2.7 | Moderate |
| 22 | 2.7 | Moderate |
| 23 | 2.8 | Moderate |
| 24 | 2.8 | Moderate |
| 25 | 2.8 | Moderate |
| 26 | 2.8 | Moderate |
| 27 | 2.9 | Moderate |
| 28 | 2.9 | Moderate |
| 29 | 2.9 | Moderate |
| 30 | 3.0 | Moderate |
| 31 | 3.0 | Moderate |
Hazard calendar for Hiratsuka
In January, Hiratsuka sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Hiratsuka sits in the Pacific typhoon belt; the season peaks July–October.
Is January a good time to visit Hiratsuka?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in Hiratsuka.
What to pack for Hiratsuka in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Hiratsuka sees daytime highs around 9°C and nights near 4°C. Pack a warm layer. Worth having: rain gear. About 10 days see rain.
Sea temperature near Hiratsuka in January
The nearest coast averages about 16°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 23 km away) is warmest in August at about 26°C and coldest in February near 15°C.
It's comfortable for a long swim from May 31 to Nov 26 — about 5.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 16 | 15 | 16 | 17 | 19 | 21 | 24 | 26 | 25 | 23 | 21 | 18 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Refreshing | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 16 | Cool |
| Feb | 15 | Cool |
| Mar | 16 | Cool |
| Apr | 17 | Cool |
| May | 19 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 23 | Refreshing |
| Nov | 21 | Refreshing |
| Dec | 18 | Cool |
UV index in Hiratsuka in January
Clear-sky midday UV in January peaks around 3. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Hiratsuka peaks around July 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 7 | 9 | 9 | 10 | 10 | 9 | 6 | 4 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 9 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Extreme |
| Aug | 10 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 2 | Moderate |
Air quality in Hiratsuka in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Hiratsuka is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 12 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 14 | 25 | 23 | 26 | 21 | 18 | 13 | 12 | 12 | 14 | 14 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 25 | Moderate |
| Mar | 23 | Moderate |
| Apr | 26 | Moderate |
| May | 21 | Moderate |
| Jun | 18 | Moderate |
| Jul | 13 | Moderate |
| Aug | 12 | Moderate |
| Sep | 12 | Moderate |
| Oct | 14 | Moderate |
| Nov | 14 | Moderate |
| Dec | 12 | Good |
Where is Hiratsuka?
Hiratsuka sits at 35.3°N, 139.3°E, 8 m above sea level, in Japan. The nearest listed city is Ōiso, 2.0 km away.
Topography around Hiratsuka
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Hiratsuka.
Within 3 km, the terrain around Hiratsuka has only modest variations in elevation — a maximum elevation change of 179 m around an average of 13 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,245 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,737 m.
The land around Hiratsuka is covered by artificial surfaces (62%) and water (21%) within 3 km, water (39%), artificial surfaces (31%) and trees (22%) within 16 km, and trees (42%) and water (34%) within 80 km.
Japan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 100 V · 50 / 60 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $35,951
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.2
- per 100k, 2023
- Road deaths
- 3.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 446
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Hiratsuka (35.3278°, 139.3373°, elevation 8 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).