Ena climate — normals and trends
Ena (Japan) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 10.8 °C and it receives 2,318 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 (22.9 °C on average) and the coldest is January (-2.2 °C). Rainfall peaks in July.
Ena averages 110 frost days, 9 hot days (≥ 30 °C) and 180 rainy days per year.
Ena has warmed by +3.3 °C between 1940 and 2025, or +0.39 °C per decade. This trend is statistically significant.
The number of frost days there went from about 135 to 85 per year over the period.
The hottest day of the period reached 35.6 °C (on 23 July 2018) and the coldest -22.3 °C (on 17 January 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
EnaGifu
- coords
- 35.45°, 137.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
10.8°C
Average daily high
15.6°C
Average daily low
6.4°C
Annual rainfall
2,318mm
Sunshine / day
8.5h
Mean relative humidity
75%
Average peak wind
10.9km/h
Seasonal range
25.1°C
Frost days (< 0 °C)
110 d/yr
Hot days (≥ 30 °C)
9 d/yr
Rainy days (≥ 1 mm)
180 d/yr
Annual snowfall
81.2 cm
Average feels-like high
14.7 °C
Average feels-like low
4.9 °C
Average peak gust
37.1 km/h
Tropical nights (≥ 20 °C)
24 d/yr
Solar radiation
14.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+3.3 °C
since 1940
+0.4 °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
35.6 °C
23 July 2018
Coldest day
-22.3 °C
17 January 1942
Wettest day
174 mm
5 October 1945
Windiest day
54.6 km/h
26 September 1959
Strongest gust
215.3 km/h
26 September 1959
Hottest feels-like
40.0 °C
30 July 2025
Coldest feels-like
-27.1 °C
17 January 1942
Snowiest day
27.9 cm
15 February 2014
Sunniest day
14.0 h
10 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 | 3.9 °C | +0.9 °C | 67 mm | -20 mm |
| Feb | 2.8 °C | -1.4 °C | 75 mm | -27 mm |
| Mar | 10.9 °C | +2.4 °C | 196 mm | +31 mm |
| Apr | 17.0 °C | +2.1 °C | 130 mm | -66 mm |
| May | 20.6 °C | +1.1 °C | 262 mm | +44 mm |
| Jun | 25.2 °C | +2.8 °C | 316 mm | +1 mm |
| Jul | 29.9 °C | +3.9 °C | 194 mm | -162 mm |
| Aug | 29.9 °C | +2.5 °C | 224 mm | -8 mm |
| Sep | 26.7 °C | +2.8 °C | 279 mm | +28 mm |
| Oct | 19.8 °C | +1.5 °C | 208 mm | +26 mm |
| Nov | 12.7 °C | +0.2 °C | 64 mm | -59 mm |
| Dec | 7.7 °C | +1.6 °C | 97 mm | +6 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 Ena?
Ena has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 10.8 °C and it receives 2,318 mm of precipitation per year.
What is the hottest day ever recorded in Ena?
The hottest day measured in Ena between 1940 and 2025 was 23 July 2018, reaching 35.6 °C.
What is the coldest day in Ena?
The coldest day measured in Ena between 1940 and 2025 was 17 January 1942, at -22.3 °C.
Does it snow in Ena?
Yes. Ena gets on average 81.2 cm of snow per year and has around 110 frost days.
Has the climate of Ena warmed?
Yes: Ena warmed by +3.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ena?
The wettest day measured in Ena between 1940 and 2025 was 5 October 1945, with 174 mm of rain in 24 hours.
What was the windiest day in Ena?
The windiest day measured in Ena between 1940 and 2025 was 26 September 1959, with winds reaching 54.6 km/h.
What is the warmest month in Ena?
The warmest month in Ena is August (22.9 °C on average); the coldest is January (-2.2 °C).
How much does it rain in Ena?
Ena receives on average 2,318 mm of precipitation per year, spread over about 180 rainy days.
Is it sunny in Ena?
Ena gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ena?
The heaviest 24-hour snowfall measured in Ena between 1940 and 2025 was 15 February 2014, with 27.9 cm.
Are there tropical nights in Ena?
Yes: Ena has on average 24 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ena?
In Ena, between 1940 and 2025, the highest apparent temperature reached 40.0 °C on 30 July 2025, and the lowest was -27.1 °C on 17 January 1942.
Compare Ena with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ena