Junction City climate — normals and trends
Junction City (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.7 °C and it receives 869 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 July (26.4 °C on average) and the coldest is January (-2.1 °C). Rainfall peaks in May.
Junction City averages 102 frost days, 69 hot days (≥ 30 °C) and 96 rainy days per year.
Junction City has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 110 to 94 per year over the period.
The hottest day of the period reached 43.4 °C (on 19 August 2023) and the coldest -32.1 °C (on 23 December 1989).
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
Junction CityKansas
- coords
- 39.03°, -96.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.7°C
Average daily high
18.4°C
Average daily low
7.5°C
Annual rainfall
869mm
Sunshine / day
9.4h
Mean relative humidity
66%
Average peak wind
20.8km/h
Seasonal range
28.5°C
Frost days (< 0 °C)
102 d/yr
Hot days (≥ 30 °C)
69 d/yr
Rainy days (≥ 1 mm)
96 d/yr
Annual snowfall
46.9 cm
Average feels-like high
16.6 °C
Average feels-like low
4.8 °C
Average peak gust
40.6 km/h
Tropical nights (≥ 20 °C)
55 d/yr
Solar radiation
16.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
43.4 °C
19 August 2023
Coldest day
-32.1 °C
23 December 1989
Wettest day
124 mm
21 September 1998
Windiest day
54.4 km/h
23 March 2009
Strongest gust
117.4 km/h
15 December 2021
Hottest feels-like
46.4 °C
21 August 2023
Coldest feels-like
-37.9 °C
23 December 1989
Snowiest day
26.0 cm
1 February 1983
Sunniest day
14.7 h
30 June 2025
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 | 0.4 °C | -2.8 °C | 47 mm | +19 mm |
| Feb | 4.3 °C | -1.9 °C | 14 mm | -22 mm |
| Mar | 18.9 °C | +6.7 °C | 23 mm | -47 mm |
| Apr | 20.4 °C | +1.8 °C | 109 mm | +13 mm |
| May | 24.1 °C | +0.5 °C | 85 mm | -47 mm |
| Jun | 29.7 °C | +0.5 °C | 140 mm | +22 mm |
| Jul | 33.1 °C | +1.1 °C | 87 mm | +5 mm |
| Aug | 29.7 °C | -1.5 °C | 103 mm | +24 mm |
| Sep | 26.8 °C | 0.0 °C | 140 mm | +57 mm |
| Oct | 21.8 °C | +1.4 °C | 68 mm | +3 mm |
| Nov | 14.3 °C | +2.4 °C | 57 mm | +11 mm |
| Dec | 9.3 °C | +3.8 °C | 9 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 Junction City?
Junction City has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 12.7 °C and it receives 869 mm of precipitation per year.
What is the hottest day ever recorded in Junction City?
The hottest day measured in Junction City between 1940 and 2025 was 19 August 2023, reaching 43.4 °C.
What is the coldest day in Junction City?
The coldest day measured in Junction City between 1940 and 2025 was 23 December 1989, at -32.1 °C.
Does it snow in Junction City?
Yes. Junction City gets on average 46.9 cm of snow per year and has around 102 frost days.
Has the climate of Junction City warmed?
Yes: Junction City warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Junction City?
The wettest day measured in Junction City between 1940 and 2025 was 21 September 1998, with 124 mm of rain in 24 hours.
What was the windiest day in Junction City?
The windiest day measured in Junction City between 1940 and 2025 was 23 March 2009, with winds reaching 54.4 km/h.
What is the warmest month in Junction City?
The warmest month in Junction City is July (26.4 °C on average); the coldest is January (-2.1 °C).
How much does it rain in Junction City?
Junction City receives on average 869 mm of precipitation per year, spread over about 96 rainy days.
Is it sunny in Junction City?
Junction City gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Junction City?
The heaviest 24-hour snowfall measured in Junction City between 1940 and 2025 was 1 February 1983, with 26.0 cm.
Are there tropical nights in Junction City?
Yes: Junction City has on average 55 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Junction City?
In Junction City, between 1940 and 2025, the highest apparent temperature reached 46.4 °C on 21 August 2023, and the lowest was -37.9 °C on 23 December 1989.
Compare Junction City with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Junction City