Kisarazu in Spring
In spring (March, April and May), Kisarazu sees average daytime highs around 16°C and overnight lows near 11°C, with 436 mm of precipitation over about 38 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 10°C in early March to 22°C by late May. The sky is clear or mostly clear about 31% of the time across spring, and the air most often feels dry.
Spring is Kisarazu's 3rd-best season to visit on our travel score. For the whole year in context, see Kisarazu's year-round climate.
- Avg daytime high
- 16°C
- 3rd-warmest season
- Avg overnight low
- 11°C
- Precipitation
- 436 mm
- 38 wet days
- Avg wind
- 16 km/h
- Travel score
- 4.6
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Kisarazu in Spring
Over the season highs climb from about 10°C in early March to 22°C by late May.
A typical spring day in Kisarazu reaches about 16°C and drops to 11°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Kisarazu
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Kisarazu weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 9° / 4° | 87 | 7.9 | 0.7 | 9.9 | 1.8 |
| Feb | 9° / 4° | 82 | 8.7 | 1.1 | 10.7 | 1.9 |
| Mar | 12° / 6° | 149 | 13 | 0.5 | 11.7 | 3.0 |
| Apr | 16° / 11° | 138 | 12.9 | 0 | 12.9 | 4.8 |
| May | 20° / 16° | 149 | 12.1 | 0 | 13.8 | 5.9 |
| Jun | 23° / 19° | 189 | 14.3 | 0 | 14.3 | 5.8 |
| Jul | 27° / 23° | 155 | 12.9 | 0 | 14.1 | 5.8 |
| Aug | 28° / 24° | 118 | 11.5 | 0 | 13.3 | 5.6 |
| Sep | 25° / 22° | 207 | 14.8 | 0 | 12.2 | 5.8 |
| Oct | 21° / 16° | 251 | 14.4 | 0 | 11.1 | 5.8 |
| Nov | 16° / 11° | 126 | 11.8 | 0 | 10.1 | 4.8 |
| Dec | 11° / 6° | 80 | 8.8 | 0.1 | 9.7 | 3.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 31% of the time across spring.
Chance of precipitation in Spring
Kisarazu gets around 436 mm of rain and snow over 38 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 16 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 12 min in early March to 14 h 12 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.7 kWh/m².
Hazard calendar for Kisarazu
In spring, Kisarazu overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Kisarazu sits in the Pacific typhoon belt; the season peaks July–October.
Is spring a good time to visit Kisarazu?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Kisarazu for sightseeing.
What to pack for Kisarazu in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Kisarazu sees daytime highs around 16°C and nights near 11°C. Pack a warm layer. Worth having: rain gear and sun protection. About 38 days see rain.
Sea temperature near Kisarazu in Spring
The nearest coast averages about 16°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 26°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 5 to Nov 9 — about 5.2 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 13 | 14 | 16 | 18 | 21 | 24 | 26 | 25 | 22 | 20 | 17 |
| Comfort | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 13 | Bracing |
| Mar | 14 | Bracing |
| Apr | 16 | Cool |
| May | 18 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Refreshing |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 20 | Cool |
| Dec | 17 | Cool |
UV index in Kisarazu in Spring
Clear-sky midday UV across spring averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kisarazu peaks around August 10 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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) | 2 | 4 | 5 | 7 | 8 | 9 | 10 | 10 | 8 | 6 | 4 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Very high | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 2 | Moderate |
Air quality in Kisarazu in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Kisarazu is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (September, 11 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 | 17 | 21 | 22 | 21 | 16 | 12 | 11 | 11 | 14 | 14 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 17 | Moderate |
| Mar | 21 | Moderate |
| Apr | 22 | Moderate |
| May | 21 | Moderate |
| Jun | 16 | Moderate |
| Jul | 12 | Good |
| Aug | 11 | Good |
| Sep | 11 | Good |
| Oct | 14 | Moderate |
| Nov | 14 | Moderate |
| Dec | 13 | Moderate |
Where is Kisarazu?
Kisarazu sits at 35.4°N, 139.9°E, 5 m above sea level, in Japan. The nearest listed city is Kimitsu, 7.0 km away.
Topography around Kisarazu
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kisarazu.
Within 3 km, the terrain around Kisarazu has only modest variations in elevation — a maximum elevation change of 75 m around an average of 13 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 380 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,656 m.
The land around Kisarazu is covered by artificial surfaces (59%) within 3 km, water (40%) and trees (32%) within 16 km, and water (45%), trees (23%) and artificial surfaces (22%) 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 Kisarazu (35.3833°, 139.9325°, elevation 5 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.