Henderson climate — normals and trends
Henderson (United States) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.1 °C and it receives 1,130 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 (26.0 °C on average) and the coldest is January (0.9 °C). Rainfall peaks in April.
Henderson averages 74 frost days, 61 hot days (≥ 30 °C) and 117 rainy days per year.
Henderson 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 83 to 65 per year over the period.
The hottest day of the period reached 40.3 °C (on 29 June 2012) and the coldest -30.0 °C (on 2 February 1951).
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
HendersonKentucky
- coords
- 37.84°, -87.59°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.1°C
Average daily high
19.0°C
Average daily low
9.5°C
Annual rainfall
1,130mm
Sunshine / day
9.0h
Mean relative humidity
69%
Average peak wind
16.3km/h
Seasonal range
25.1°C
Frost days (< 0 °C)
74 d/yr
Hot days (≥ 30 °C)
61 d/yr
Rainy days (≥ 1 mm)
117 d/yr
Annual snowfall
28.1 cm
Average feels-like high
18.3 °C
Average feels-like low
7.6 °C
Average peak gust
35.1 km/h
Tropical nights (≥ 20 °C)
69 d/yr
Solar radiation
15.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.30 · 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
40.3 °C
29 June 2012
Coldest day
-30.0 °C
2 February 1951
Wettest day
112 mm
9 March 1964
Windiest day
51.9 km/h
11 February 2009
Strongest gust
109.8 km/h
10 January 1975
Hottest feels-like
44.3 °C
13 July 1966
Coldest feels-like
-35.7 °C
2 February 1951
Snowiest day
22.9 cm
19 March 1996
Sunniest day
14.1 h
19 June 1943
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 | 3.3 °C | -1.8 °C | 110 mm | +19 mm |
| Feb | 8.3 °C | +0.6 °C | 162 mm | +72 mm |
| Mar | 18.1 °C | +4.8 °C | 154 mm | +38 mm |
| Apr | 21.4 °C | +1.8 °C | 211 mm | +95 mm |
| May | 23.6 °C | -0.9 °C | 220 mm | +106 mm |
| Jun | 29.7 °C | +0.6 °C | 148 mm | +57 mm |
| Jul | 31.9 °C | +1.2 °C | 108 mm | +19 mm |
| Aug | 29.5 °C | -0.6 °C | 15 mm | -62 mm |
| Sep | 28.7 °C | +1.9 °C | 70 mm | -7 mm |
| Oct | 22.1 °C | +1.4 °C | 113 mm | +35 mm |
| Nov | 14.6 °C | +1.5 °C | 64 mm | -30 mm |
| Dec | 8.1 °C | +0.7 °C | 49 mm | -48 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 Henderson?
Henderson has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.1 °C and it receives 1,130 mm of precipitation per year.
What is the hottest day ever recorded in Henderson?
The hottest day measured in Henderson between 1940 and 2025 was 29 June 2012, reaching 40.3 °C.
What is the coldest day in Henderson?
The coldest day measured in Henderson between 1940 and 2025 was 2 February 1951, at -30.0 °C.
Does it snow in Henderson?
Yes. Henderson gets on average 28.1 cm of snow per year and has around 74 frost days.
Has the climate of Henderson warmed?
Yes: Henderson warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Henderson?
The wettest day measured in Henderson between 1940 and 2025 was 9 March 1964, with 112 mm of rain in 24 hours.
What was the windiest day in Henderson?
The windiest day measured in Henderson between 1940 and 2025 was 11 February 2009, with winds reaching 51.9 km/h.
What is the warmest month in Henderson?
The warmest month in Henderson is July (26.0 °C on average); the coldest is January (0.9 °C).
How much does it rain in Henderson?
Henderson receives on average 1,130 mm of precipitation per year, spread over about 117 rainy days.
Is it sunny in Henderson?
Henderson gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Henderson?
The heaviest 24-hour snowfall measured in Henderson between 1940 and 2025 was 19 March 1996, with 22.9 cm.
Are there tropical nights in Henderson?
Yes: Henderson has on average 69 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Henderson?
In Henderson, between 1940 and 2025, the highest apparent temperature reached 44.3 °C on 13 July 1966, and the lowest was -35.7 °C on 2 February 1951.
Compare Henderson with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Henderson