Chitose climate — normals and trends
Chitose has a warm-summer humid continental climate, averaging 7.6 °C annually with 1,006 mm of rain per year.
Climate normals · ERA5
ChitoseHokkaido
- coords
- 42.82°, 141.65°
- period
- 1940–2025 · 86 yrs
The normals for this period
The average of every indicator across the whole window: temperature, water, sky, wind and notable days.
Mean daily temperature
7.6°C
Average daily high
10.4°C
Average daily low
4.7°C
Annual rainfall
1,006mm
Sunshine / day
8.8h
Mean relative humidity
77%
Average peak wind
19.7km/h
Seasonal range
25.5°C
Frost days (< 0 °C)
129 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
123 d/yr
Annual snowfall
95.0 cm
Average feels-like high
8.2 °C
Average feels-like low
1.8 °C
Average peak gust
34.7 km/h
Tropical nights (≥ 20 °C)
13 d/yr
Solar radiation
13.4 MJ/m²
Has the climate changed?
What the yearly averages say about warming here, and whether the slope is statistically solid.
+2.6 °C
since 1940
+0.3 °C per decade · r² = 0.66 · 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).
Climate month by month
How an average year unfolds: when it rains, when it turns hot, when the sun is out.
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
The most extreme days ever measured here, then the year-by-year detail.
Hottest day
30.0 °C
15 August 2007
Coldest day
-19.8 °C
20 January 1966
Wettest day
157 mm
5 August 1981
Windiest day
68.5 km/h
26 September 1954
Strongest gust
132.8 km/h
5 September 2018
Hottest feels-like
36.4 °C
25 August 2023
Coldest feels-like
-24.6 °C
20 January 1966
Snowiest day
33.8 cm
5 February 1969
Sunniest day
15.0 h
11 June 1941
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and compare it with the normal: warmer, drier, more extreme?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 1.7 °C | +3.3 °C | 35 mm | -3 mm |
| Feb | 2.3 °C | +3.2 °C | 28 mm | -9 mm |
| Mar | 5.0 °C | +2.3 °C | 73 mm | +16 mm |
| Apr | 10.3 °C | +2.1 °C | 118 mm | +38 mm |
| May | 15.1 °C | +2.4 °C | 68 mm | -25 mm |
| Jun | 20.3 °C | +3.8 °C | 116 mm | +30 mm |
| Jul | 25.2 °C | +4.6 °C | 66 mm | -44 mm |
| Aug | 26.2 °C | +3.2 °C | 140 mm | -5 mm |
| Sep | 23.1 °C | +2.7 °C | 243 mm | +102 mm |
| Oct | 14.8 °C | +0.3 °C | 69 mm | -29 mm |
| Nov | 9.2 °C | +2.0 °C | 118 mm | +46 mm |
| Dec | 3.4 °C | +2.2 °C | 102 mm | +52 mm |
The year's extremes
What was the weather like that day?
The weather actually measured on a given date, anywhere in the covered window.
Climate at a glance
What these normals say about the place, in a few sentences, and the notions needed to read them.
Chitose (Japan) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.6 °C and it receives 1,006 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 (20.8 °C on average) and the coldest is January (-4.7 °C). Rainfall peaks in August.
Chitose averages 129 frost days, 0 hot days (≥ 30 °C) and 123 rainy days per year.
Chitose has warmed by +2.6 °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 148 to 110 per year over the period.
The hottest day of the period reached 30.0 °C (on 15 August 2007) and the coldest -19.8 °C (on 20 January 1966).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Compare Chitose with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chitose
Other cities — Japan
Frequently asked questions
What is the climate of Chitose?
Chitose has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.6 °C and it receives 1,006 mm of precipitation per year.
What is the hottest day ever recorded in Chitose?
The hottest day measured in Chitose between 1940 and 2025 was 15 August 2007, reaching 30.0 °C.
What is the coldest day in Chitose?
The coldest day measured in Chitose between 1940 and 2025 was 20 January 1966, at -19.8 °C.
Does it snow in Chitose?
Yes. Chitose gets on average 95.0 cm of snow per year and has around 129 frost days.
Has the climate of Chitose warmed?
Yes: Chitose warmed by +2.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chitose?
The wettest day measured in Chitose between 1940 and 2025 was 5 August 1981, with 157 mm of rain in 24 hours.
What was the windiest day in Chitose?
The windiest day measured in Chitose between 1940 and 2025 was 26 September 1954, with winds reaching 68.5 km/h.
What is the warmest month in Chitose?
The warmest month in Chitose is August (20.8 °C on average); the coldest is January (-4.7 °C).
How much does it rain in Chitose?
Chitose receives on average 1,006 mm of precipitation per year, spread over about 123 rainy days.
Is it sunny in Chitose?
Chitose gets on average 8.8 hours of sunshine per day, roughly 3,212 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chitose?
The heaviest 24-hour snowfall measured in Chitose between 1940 and 2025 was 5 February 1969, with 33.8 cm.
Are there tropical nights in Chitose?
Yes: Chitose has on average 13 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chitose?
In Chitose, between 1940 and 2025, the highest apparent temperature reached 36.4 °C on 25 August 2023, and the lowest was -24.6 °C on 20 January 1966.
These forecasts and records come from our own weather API. Developer documentation →