Henrietta climate — normals and trends
Henrietta (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 9.0 °C and it receives 1,003 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 (21.8 °C on average) and the coldest is January (-4.1 °C). Rainfall peaks in April.
Henrietta averages 120 frost days, 17 hot days (≥ 30 °C) and 148 rainy days per year.
Henrietta has warmed by +1.6 °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 131 to 109 per year over the period.
The hottest day of the period reached 37.0 °C (on 9 July 1988) and the coldest -28.6 °C (on 18 February 1979).
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
HenriettaNew York
- coords
- 43.06°, -77.61°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.0°C
Average daily high
13.5°C
Average daily low
4.7°C
Annual rainfall
1,003mm
Sunshine / day
8.3h
Mean relative humidity
72%
Average peak wind
17.1km/h
Seasonal range
25.9°C
Frost days (< 0 °C)
120 d/yr
Hot days (≥ 30 °C)
17 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
126.7 cm
Average feels-like high
11.5 °C
Average feels-like low
1.7 °C
Average peak gust
39.8 km/h
Tropical nights (≥ 20 °C)
13 d/yr
Solar radiation
13.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °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
37.0 °C
9 July 1988
Coldest day
-28.6 °C
18 February 1979
Wettest day
81 mm
21 October 1995
Windiest day
49.4 km/h
13 November 2003
Strongest gust
110.2 km/h
15 October 1954
Hottest feels-like
41.0 °C
20 June 1953
Coldest feels-like
-33.5 °C
18 February 1979
Snowiest day
32.1 cm
10 March 1964
Sunniest day
14.8 h
29 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 | -1.8 °C | -1.2 °C | 57 mm | -11 mm |
| Feb | -0.1 °C | -0.6 °C | 75 mm | +9 mm |
| Mar | 10.4 °C | +4.8 °C | 48 mm | -33 mm |
| Apr | 13.7 °C | +0.9 °C | 96 mm | +1 mm |
| May | 18.2 °C | -1.1 °C | 161 mm | +69 mm |
| Jun | 25.7 °C | +1.3 °C | 99 mm | +7 mm |
| Jul | 28.9 °C | +2.0 °C | 48 mm | -42 mm |
| Aug | 26.0 °C | +0.2 °C | 73 mm | -11 mm |
| Sep | 23.6 °C | +1.7 °C | 38 mm | -45 mm |
| Oct | 16.1 °C | +0.7 °C | 107 mm | +19 mm |
| Nov | 7.6 °C | -0.7 °C | 78 mm | -8 mm |
| Dec | 1.0 °C | -1.0 °C | 77 mm | -2 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 Henrietta?
Henrietta has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 9.0 °C and it receives 1,003 mm of precipitation per year.
What is the hottest day ever recorded in Henrietta?
The hottest day measured in Henrietta between 1940 and 2025 was 9 July 1988, reaching 37.0 °C.
What is the coldest day in Henrietta?
The coldest day measured in Henrietta between 1940 and 2025 was 18 February 1979, at -28.6 °C.
Does it snow in Henrietta?
Yes. Henrietta gets on average 126.7 cm of snow per year and has around 120 frost days.
Has the climate of Henrietta warmed?
Yes: Henrietta warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Henrietta?
The wettest day measured in Henrietta between 1940 and 2025 was 21 October 1995, with 81 mm of rain in 24 hours.
What was the windiest day in Henrietta?
The windiest day measured in Henrietta between 1940 and 2025 was 13 November 2003, with winds reaching 49.4 km/h.
What is the warmest month in Henrietta?
The warmest month in Henrietta is July (21.8 °C on average); the coldest is January (-4.1 °C).
How much does it rain in Henrietta?
Henrietta receives on average 1,003 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Henrietta?
Henrietta gets on average 8.3 hours of sunshine per day, roughly 3,030 hours per year over 1940-2025.
What is the biggest single-day snowfall in Henrietta?
The heaviest 24-hour snowfall measured in Henrietta between 1940 and 2025 was 10 March 1964, with 32.1 cm.
Are there tropical nights in Henrietta?
Yes: Henrietta has on average 13 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Henrietta?
In Henrietta, between 1940 and 2025, the highest apparent temperature reached 41.0 °C on 20 June 1953, and the lowest was -33.5 °C on 18 February 1979.
Compare Henrietta with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Henrietta