Leavenworth climate — normals and trends
Leavenworth (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 12.5 °C and it receives 960 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 (25.9 °C on average) and the coldest is January (-2.3 °C). Rainfall peaks in May.
Leavenworth averages 99 frost days, 57 hot days (≥ 30 °C) and 102 rainy days per year.
Leavenworth has warmed by +1.5 °C between 1940 and 2025, or +0.18 °C per decade. This trend is statistically significant.
The number of frost days there went from about 108 to 90 per year over the period.
The hottest day of the period reached 43.0 °C (on 12 July 1954) and the coldest -32.3 °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
LeavenworthKansas
- coords
- 39.31°, -94.92°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
12.5°C
Average daily high
17.7°C
Average daily low
7.7°C
Annual rainfall
960mm
Sunshine / day
9.3h
Mean relative humidity
68%
Average peak wind
18.9km/h
Seasonal range
28.2°C
Frost days (< 0 °C)
99 d/yr
Hot days (≥ 30 °C)
57 d/yr
Rainy days (≥ 1 mm)
102 d/yr
Annual snowfall
47.1 cm
Average feels-like high
16.3 °C
Average feels-like low
5.2 °C
Average peak gust
38.7 km/h
Tropical nights (≥ 20 °C)
57 d/yr
Solar radiation
15.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.24 · 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
43.0 °C
12 July 1954
Coldest day
-32.3 °C
23 December 1989
Wettest day
139 mm
3 October 1986
Windiest day
51.7 km/h
5 May 1950
Strongest gust
114.5 km/h
15 December 2021
Hottest feels-like
46.3 °C
13 July 1954
Coldest feels-like
-37.6 °C
23 December 1989
Snowiest day
25.3 cm
22 October 1996
Sunniest day
14.8 h
24 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 | 0.5 °C | -2.1 °C | 56 mm | +21 mm |
| Feb | 3.6 °C | -1.9 °C | 16 mm | -26 mm |
| Mar | 17.3 °C | +5.8 °C | 72 mm | -7 mm |
| Apr | 18.9 °C | +0.9 °C | 131 mm | +23 mm |
| May | 23.2 °C | 0.0 °C | 123 mm | -9 mm |
| Jun | 28.9 °C | +0.4 °C | 167 mm | +44 mm |
| Jul | 31.3 °C | +0.3 °C | 167 mm | +82 mm |
| Aug | 29.0 °C | -1.3 °C | 59 mm | -25 mm |
| Sep | 27.1 °C | +1.2 °C | 61 mm | -32 mm |
| Oct | 21.9 °C | +2.3 °C | 72 mm | -11 mm |
| Nov | 13.4 °C | +2.0 °C | 65 mm | +10 mm |
| Dec | 8.0 °C | +3.0 °C | 27 mm | -14 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 Leavenworth?
Leavenworth has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 12.5 °C and it receives 960 mm of precipitation per year.
What is the hottest day ever recorded in Leavenworth?
The hottest day measured in Leavenworth between 1940 and 2025 was 12 July 1954, reaching 43.0 °C.
What is the coldest day in Leavenworth?
The coldest day measured in Leavenworth between 1940 and 2025 was 23 December 1989, at -32.3 °C.
Does it snow in Leavenworth?
Yes. Leavenworth gets on average 47.1 cm of snow per year and has around 99 frost days.
Has the climate of Leavenworth warmed?
Yes: Leavenworth warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Leavenworth?
The wettest day measured in Leavenworth between 1940 and 2025 was 3 October 1986, with 139 mm of rain in 24 hours.
What was the windiest day in Leavenworth?
The windiest day measured in Leavenworth between 1940 and 2025 was 5 May 1950, with winds reaching 51.7 km/h.
What is the warmest month in Leavenworth?
The warmest month in Leavenworth is July (25.9 °C on average); the coldest is January (-2.3 °C).
How much does it rain in Leavenworth?
Leavenworth receives on average 960 mm of precipitation per year, spread over about 102 rainy days.
Is it sunny in Leavenworth?
Leavenworth gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Leavenworth?
The heaviest 24-hour snowfall measured in Leavenworth between 1940 and 2025 was 22 October 1996, with 25.3 cm.
Are there tropical nights in Leavenworth?
Yes: Leavenworth has on average 57 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Leavenworth?
In Leavenworth, between 1940 and 2025, the highest apparent temperature reached 46.3 °C on 13 July 1954, and the lowest was -37.6 °C on 23 December 1989.
Compare Leavenworth with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Leavenworth