- WinterDec–Feb3°11°
- December4°13°
- January2°10°
- February3°11°
- SpringMar–May11°19°
- March6°14°
- April11°19°
- May16°24°
- SummerJun–Aug22°29°
- June19°26°
- July23°30°
- August24°31°
- AutumnSep–Nov15°22°
- September21°28°
- October15°22°
- November9°17°
Katsushika, Tokyo Weather by Month and Climate Averages
Katsushika, Tokyo gets 1469 mm of precipitation a year over about 103 rainy days. August is the warmest month (average high 31°C) and January the coldest (average low 2°C).
Katsushika climate at a glance
Katsushika, Tokyo has hot summers and chilly winters. Daytime highs range from about 10°C in January to 31°C in August. October is usually the wettest month. The most comfortable time to visit is typically April to June and November, when daytime highs sit near 22°C.
How much rain does Katsushika get?
Katsushika gets 1469 mm of precipitation in an average year, spread over about 103 days with measurable rain. That is fewer rainy days than 66% of Japan.
October is the wettest month, with 212 mm. December is the driest, with 49 mm. June has the most rainy days, about 12.
The longest dry spell in the last five years lasted 28 days, to February 9, 2022.
Katsushika weather by month
Katsushika weather in January
In January, Katsushika averages a high of 10°C and a low of 2°C. It gets 52 mm of precipitation over about 4 rainy days. The sun is out about 58% of daylight hours. The January record high is 20°C (1996) and the record low is -4°C (1970).
Katsushika weather in February
In February, Katsushika averages a high of 11°C and a low of 3°C. It gets 50 mm of precipitation over about 5 rainy days. The sun is out about 56% of daylight hours. The February record high is 24°C (2009) and the record low is -4°C (1977).
Katsushika weather in March
In March, Katsushika averages a high of 14°C and a low of 6°C. It gets 107 mm of precipitation over about 9 rainy days. The sun is out about 42% of daylight hours. The March record high is 26°C (2013) and the record low is -3°C (1977).
Katsushika weather in April
In April, Katsushika averages a high of 19°C and a low of 11°C. It gets 130 mm of precipitation over about 10 rainy days. The sun is out about 40% of daylight hours. The April record high is 29°C (2004) and the record low is 1°C (1988). April is one of the most comfortable months to visit.
Katsushika weather in May
In May, Katsushika averages a high of 24°C and a low of 16°C. It gets 126 mm of precipitation over about 10 rainy days. The sun is out about 29% of daylight hours. The May record high is 33°C (2019) and the record low is 8°C (1991). May is one of the most comfortable months to visit.
Katsushika weather in June
In June, Katsushika averages a high of 26°C and a low of 19°C. It gets 163 mm of precipitation over about 12 rainy days. The sun is out about 22% of daylight hours. The June record high is 37°C (2022) and the record low is 12°C (1989). June is one of the most comfortable months to visit.
Katsushika weather in July
In July, Katsushika averages a high of 30°C and a low of 23°C. It gets 140 mm of precipitation over about 11 rainy days. The sun is out about 27% of daylight hours. The July record high is 39°C (2004) and the record low is 14°C (1976).
Katsushika weather in August
In August, Katsushika averages a high of 31°C and a low of 24°C. It gets 136 mm of precipitation over about 8 rainy days. The sun is out about 39% of daylight hours. The August record high is 39°C (1994) and the record low is 18°C (1977).
Katsushika weather in September
In September, Katsushika averages a high of 28°C and a low of 21°C. It gets 211 mm of precipitation over about 12 rainy days. The sun is out about 31% of daylight hours. The September record high is 38°C (1984) and the record low is 13°C (2001).
Katsushika weather in October
In October, Katsushika averages a high of 22°C and a low of 15°C. It gets 212 mm of precipitation over about 10 rainy days. The sun is out about 41% of daylight hours. The October record high is 33°C (1979) and the record low is 7°C (1970).
Katsushika weather in November
In November, Katsushika averages a high of 17°C and a low of 9°C. It gets 93 mm of precipitation over about 7 rainy days. The sun is out about 55% of daylight hours. The November record high is 27°C (1977) and the record low is 1°C (2016). November is one of the most comfortable months to visit.
Katsushika weather in December
In December, Katsushika averages a high of 13°C and a low of 4°C. It gets 49 mm of precipitation over about 5 rainy days. The sun is out about 64% of daylight hours. The December record high is 25°C (2004) and the record low is -2°C (2021).
Sunshine, humidity and wind in Katsushika
December is the sunniest month in Katsushika, with sunshine about 64% of daylight hours. June is the cloudiest, at 22%. Over the year the sun shines about 42% of daylight hours. Katsushika is sunnier than 81% of Japan.
Humidity peaks in September at 79% and is lowest in February at 61%.
Katsushika has about 23 days a year above 32°C. Katsushika is hotter than 60% of Japan.
First and last freeze in Katsushika
The first fall freeze in Katsushika typically comes around December 19, and the last spring freeze around February 17. That leaves a frost-free growing season of about 305 days.
Katsushika weather records
The hottest temperature on record at the Katsushika station is 39°C, on July 20, 2004. The coldest is -4°C, on January 17, 1970.
The wettest day on record brought 261 mm of rain, on September 22, 1996.
43 all-time records have been set at the station since 1970.
The best time to visit Katsushika
The most comfortable time to visit is typically April to June and November, when daytime highs sit near 22°C.
Winter (December–February) is chilly, with average highs around 11°C and lows near 3°C.
Spring (March–May) is mild, with average highs around 19°C and lows near 10°C.
Summer (June–August) is hot, with average highs around 29°C and lows near 22°C. It can feel humid.
Autumn (September–November) is warm, with average highs around 22°C and lows near 15°C.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Sea temp | Record high | Record low |
|---|---|---|---|---|---|---|---|
| January | 52 mm | 4 | 64% | 58% | -11° | 20° | -4° |
| February | 50 mm | 5 | 61% | 56% | -12° | 24° | -4° |
| March | 107 mm | 9 | 66% | 42% | -11° | 26° | -3° |
| April | 130 mm | 10 | 68% | 40% | -9° | 29° | 1° |
| May | 126 mm | 10 | 72% | 29% | -7° | 33° | 8° |
| June | 163 mm | 12 | 77% | 22% | -6° | 37° | 12° |
| July | 140 mm | 11 | 78% | 27% | -3° | 39° | 14° |
| August | 136 mm | 8 | 75% | 39% | -2° | 39° | 18° |
| September | 211 mm | 12 | 79% | 31% | -3° | 38° | 13° |
| October | 212 mm | 10 | 75% | 41% | -6° | 33° | 7° |
| November | 93 mm | 7 | 71% | 55% | -8° | 27° | 1° |
| December | 49 mm | 5 | 66% | 64% | -10° | 25° | -2° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Katsushika climate questions
How much rain does Katsushika get?
Katsushika gets 1469 mm of precipitation in an average year, over about 103 rainy days.
What is the wettest month in Katsushika?
October is the wettest month in Katsushika, with 212 mm. December is the driest, with 49 mm.
How many rainy days does Katsushika have a year?
Katsushika has about 103 days with measurable rain in an average year. June has the most, about 12.
What is the hottest month in Katsushika?
August is the warmest month in Katsushika, with an average high of 31°C.
What is the coldest month in Katsushika?
January is the coldest month in Katsushika, with an average low of 2°C.
What is the record high temperature in Katsushika?
The record high at the Katsushika station is 39°C, set on July 20, 2004. The record low is -4°C, on January 17, 1970.
What is the sunniest month in Katsushika?
December is the sunniest month in Katsushika, with sunshine about 64% of daylight hours. June is the cloudiest.
When is the first frost in Katsushika?
The first fall freeze in Katsushika typically comes around December 19. The last spring freeze is around February 17.
What is the best time to visit Katsushika?
The most comfortable time to visit is typically April to June and November, when daytime highs sit near 22°C.
Source: NOAA GHCN-Daily station TOKYO (9 km away).
Climate for places near Katsushika, Tokyo
Normals from NOAA GHCN-Daily station TOKYO.