Mori climate — normals and trends
Mori (Japan) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.0 °C and it receives 2,116 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 (26.7 °C on average) and the coldest is January (5.8 °C). Rainfall peaks in June.
Mori averages 10 frost days, 27 hot days (≥ 30 °C) and 153 rainy days per year.
Mori has warmed by +2.7 °C between 1940 and 2025, or +0.31 °C per decade. This trend is statistically significant.
The number of frost days there went from about 24 to 0 per year over the period.
The hottest day of the period reached 40.2 °C (on 17 August 2020) and the coldest -4.4 °C (on 13 February 1942).
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
MoriShizuoka
- coords
- 34.83°, 137.93°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.0°C
Average daily high
19.3°C
Average daily low
13.2°C
Annual rainfall
2,116mm
Sunshine / day
8.7h
Mean relative humidity
73%
Average peak wind
19.1km/h
Seasonal range
20.9°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
27 d/yr
Rainy days (≥ 1 mm)
153 d/yr
Annual snowfall
2.3 cm
Average feels-like high
18.9 °C
Average feels-like low
12.0 °C
Average peak gust
41.5 km/h
Tropical nights (≥ 20 °C)
98 d/yr
Solar radiation
14.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.7 °C
since 1940
+0.3 °C per decade · r² = 0.69 · 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
40.2 °C
17 August 2020
Coldest day
-4.4 °C
13 February 1942
Wettest day
236 mm
12 October 2019
Windiest day
70.6 km/h
1 October 2018
Strongest gust
168.1 km/h
26 September 1959
Hottest feels-like
44.5 °C
16 August 2020
Coldest feels-like
-10.5 °C
17 February 1947
Snowiest day
16.9 cm
15 February 1968
Sunniest day
14.0 h
13 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 | 10.8 °C | +1.4 °C | 37 mm | -30 mm |
| Feb | 9.9 °C | -0.2 °C | 32 mm | -59 mm |
| Mar | 15.2 °C | +2.0 °C | 171 mm | +16 mm |
| Apr | 19.5 °C | +1.7 °C | 139 mm | -38 mm |
| May | 22.4 °C | +0.7 °C | 310 mm | +102 mm |
| Jun | 27.6 °C | +3.0 °C | 226 mm | -54 mm |
| Jul | 31.1 °C | +2.8 °C | 208 mm | -59 mm |
| Aug | 32.4 °C | +2.8 °C | 123 mm | -96 mm |
| Sep | 29.9 °C | +3.3 °C | 240 mm | -11 mm |
| Oct | 22.8 °C | +1.0 °C | 193 mm | -12 mm |
| Nov | 17.4 °C | +0.4 °C | 40 mm | -86 mm |
| Dec | 13.2 °C | +1.3 °C | 96 mm | +24 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 Mori?
Mori has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.0 °C and it receives 2,116 mm of precipitation per year.
What is the hottest day ever recorded in Mori?
The hottest day measured in Mori between 1940 and 2025 was 17 August 2020, reaching 40.2 °C.
What is the coldest day in Mori?
The coldest day measured in Mori between 1940 and 2025 was 13 February 1942, at -4.4 °C.
Does it snow in Mori?
Yes. Mori gets on average 2.3 cm of snow per year and has around 10 frost days.
Has the climate of Mori warmed?
Yes: Mori warmed by +2.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mori?
The wettest day measured in Mori between 1940 and 2025 was 12 October 2019, with 236 mm of rain in 24 hours.
What was the windiest day in Mori?
The windiest day measured in Mori between 1940 and 2025 was 1 October 2018, with winds reaching 70.6 km/h.
What is the warmest month in Mori?
The warmest month in Mori is August (26.7 °C on average); the coldest is January (5.8 °C).
How much does it rain in Mori?
Mori receives on average 2,116 mm of precipitation per year, spread over about 153 rainy days.
Is it sunny in Mori?
Mori gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mori?
The heaviest 24-hour snowfall measured in Mori between 1940 and 2025 was 15 February 1968, with 16.9 cm.
Are there tropical nights in Mori?
Yes: Mori has on average 98 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mori?
In Mori, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 16 August 2020, and the lowest was -10.5 °C on 17 February 1947.
Compare Mori with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mori