Kamogawa climate — normals and trends
Kamogawa (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.5 °C and it receives 1,822 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (25.4 °C on average) and the coldest is February (8.1 °C). Rainfall peaks in October.
Kamogawa averages 0 frost days, 0 hot days (≥ 30 °C) and 151 rainy days per year.
Kamogawa has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The hottest day of the period reached 29.5 °C (on 17 August 2024) and the coldest -0.5 °C (on 5 February 1952).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
KamogawaChiba
- coords
- 35.10°, 140.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.5°C
Average daily high
18.0°C
Average daily low
15.0°C
Annual rainfall
1,822mm
Sunshine / day
8.3h
Mean relative humidity
77%
Average peak wind
32.5km/h
Seasonal range
17.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
151 d/yr
Annual snowfall
1.8 cm
Average feels-like high
17.2 °C
Average feels-like low
12.4 °C
Average peak gust
46.8 km/h
Tropical nights (≥ 20 °C)
107 d/yr
Solar radiation
14.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.42 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
29.5 °C
17 August 2024
Coldest day
-0.5 °C
5 February 1952
Wettest day
206 mm
27 October 2007
Windiest day
97.1 km/h
6 April 2013
Strongest gust
164.9 km/h
17 September 1995
Hottest feels-like
38.4 °C
21 August 1953
Coldest feels-like
-10.2 °C
15 February 1951
Snowiest day
11.8 cm
15 February 1951
Sunniest day
13.9 h
22 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 11.2 °C | +1.0 °C | 54 mm | -35 mm |
| Feb | 10.3 °C | +0.2 °C | 30 mm | -75 mm |
| Mar | 13.8 °C | +1.3 °C | 208 mm | +47 mm |
| Apr | 16.4 °C | +0.4 °C | 201 mm | +52 mm |
| May | 19.2 °C | +0.2 °C | 237 mm | +71 mm |
| Jun | 23.5 °C | +1.9 °C | 121 mm | -88 mm |
| Jul | 27.0 °C | +2.5 °C | 76 mm | -62 mm |
| Aug | 27.5 °C | +1.2 °C | 63 mm | -53 mm |
| Sep | 26.4 °C | +1.7 °C | 90 mm | -105 mm |
| Oct | 22.2 °C | +1.2 °C | 278 mm | +36 mm |
| Nov | 17.5 °C | +0.3 °C | 111 mm | -50 mm |
| Dec | 15.0 °C | +2.1 °C | 113 mm | +22 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Kamogawa?
Kamogawa has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.5 °C and it receives 1,822 mm of precipitation per year.
What is the hottest day ever recorded in Kamogawa?
The hottest day measured in Kamogawa between 1940 and 2025 was 17 August 2024, reaching 29.5 °C.
What is the coldest day in Kamogawa?
The coldest day measured in Kamogawa between 1940 and 2025 was 5 February 1952, at -0.5 °C.
Does it snow in Kamogawa?
Yes. Kamogawa gets on average 1.8 cm of snow per year and has around 0 frost days.
Has the climate of Kamogawa warmed?
Yes: Kamogawa warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Kamogawa?
The wettest day measured in Kamogawa between 1940 and 2025 was 27 October 2007, with 206 mm of rain in 24 hours.
What was the windiest day in Kamogawa?
The windiest day measured in Kamogawa between 1940 and 2025 was 6 April 2013, with winds reaching 97.1 km/h.
What is the warmest month in Kamogawa?
The warmest month in Kamogawa is August (25.4 °C on average); the coldest is February (8.1 °C).
How much does it rain in Kamogawa?
Kamogawa receives on average 1,822 mm of precipitation per year, spread over about 151 rainy days.
Is it sunny in Kamogawa?
Kamogawa gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Kamogawa?
The heaviest 24-hour snowfall measured in Kamogawa between 1940 and 2025 was 15 February 1951, with 11.8 cm.
Are there tropical nights in Kamogawa?
Yes: Kamogawa has on average 107 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Kamogawa?
In Kamogawa, between 1940 and 2025, the highest apparent temperature reached 38.4 °C on 21 August 1953, and the lowest was -10.2 °C on 15 February 1951.
Compare Kamogawa with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Kamogawa