Greenburgh climate — normals and trends
Greenburgh (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 11.5 °C and it receives 1,109 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 (24.1 °C on average) and the coldest is January (-1.2 °C). Rainfall peaks in March.
Greenburgh averages 80 frost days, 18 hot days (≥ 30 °C) and 119 rainy days per year.
Greenburgh has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 91 to 69 per year over the period.
The hottest day of the period reached 39.7 °C (on 6 July 2010) and the coldest -24.0 °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
GreenburghNew York
- coords
- 41.03°, -73.84°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.5°C
Average daily high
15.3°C
Average daily low
8.1°C
Annual rainfall
1,109mm
Sunshine / day
8.7h
Mean relative humidity
71%
Average peak wind
16.8km/h
Seasonal range
25.3°C
Frost days (< 0 °C)
80 d/yr
Hot days (≥ 30 °C)
18 d/yr
Rainy days (≥ 1 mm)
119 d/yr
Annual snowfall
68.7 cm
Average feels-like high
13.9 °C
Average feels-like low
5.7 °C
Average peak gust
36.2 km/h
Tropical nights (≥ 20 °C)
46 d/yr
Solar radiation
14.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.40 · 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
39.7 °C
6 July 2010
Coldest day
-24.0 °C
18 February 1979
Wettest day
132 mm
14 September 1944
Windiest day
55.1 km/h
25 November 1950
Strongest gust
138.2 km/h
25 November 1950
Hottest feels-like
43.2 °C
26 June 1952
Coldest feels-like
-30.0 °C
18 February 1979
Snowiest day
31.6 cm
14 March 2017
Sunniest day
14.2 h
12 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 | 1.6 °C | -0.6 °C | 34 mm | -50 mm |
| Feb | 3.4 °C | 0.0 °C | 78 mm | -2 mm |
| Mar | 11.4 °C | +3.5 °C | 107 mm | +6 mm |
| Apr | 15.8 °C | +1.6 °C | 92 mm | -5 mm |
| May | 19.8 °C | -0.1 °C | 169 mm | +72 mm |
| Jun | 26.0 °C | +0.9 °C | 59 mm | -26 mm |
| Jul | 29.5 °C | +1.5 °C | 120 mm | +21 mm |
| Aug | 26.4 °C | -0.5 °C | 40 mm | -59 mm |
| Sep | 24.2 °C | +1.2 °C | 78 mm | -11 mm |
| Oct | 17.7 °C | +0.6 °C | 127 mm | +38 mm |
| Nov | 10.8 °C | -0.1 °C | 56 mm | -36 mm |
| Dec | 3.3 °C | -1.6 °C | 75 mm | -22 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 Greenburgh?
Greenburgh has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 11.5 °C and it receives 1,109 mm of precipitation per year.
What is the hottest day ever recorded in Greenburgh?
The hottest day measured in Greenburgh between 1940 and 2025 was 6 July 2010, reaching 39.7 °C.
What is the coldest day in Greenburgh?
The coldest day measured in Greenburgh between 1940 and 2025 was 18 February 1979, at -24.0 °C.
Does it snow in Greenburgh?
Yes. Greenburgh gets on average 68.7 cm of snow per year and has around 80 frost days.
Has the climate of Greenburgh warmed?
Yes: Greenburgh warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Greenburgh?
The wettest day measured in Greenburgh between 1940 and 2025 was 14 September 1944, with 132 mm of rain in 24 hours.
What was the windiest day in Greenburgh?
The windiest day measured in Greenburgh between 1940 and 2025 was 25 November 1950, with winds reaching 55.1 km/h.
What is the warmest month in Greenburgh?
The warmest month in Greenburgh is July (24.1 °C on average); the coldest is January (-1.2 °C).
How much does it rain in Greenburgh?
Greenburgh receives on average 1,109 mm of precipitation per year, spread over about 119 rainy days.
Is it sunny in Greenburgh?
Greenburgh gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Greenburgh?
The heaviest 24-hour snowfall measured in Greenburgh between 1940 and 2025 was 14 March 2017, with 31.6 cm.
Are there tropical nights in Greenburgh?
Yes: Greenburgh has on average 46 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Greenburgh?
In Greenburgh, between 1940 and 2025, the highest apparent temperature reached 43.2 °C on 26 June 1952, and the lowest was -30.0 °C on 18 February 1979.
Compare Greenburgh with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Greenburgh