Elmira climate — normals and trends
Elmira (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 8.5 °C and it receives 1,001 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 (21.0 °C on average) and the coldest is January (-4.5 °C). Rainfall peaks in May.
Elmira averages 130 frost days, 11 hot days (≥ 30 °C) and 133 rainy days per year.
Elmira has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 143 to 117 per year over the period.
The hottest day of the period reached 37.4 °C (on 21 July 2011) and the coldest -30.0 °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
ElmiraNew York
- coords
- 42.09°, -76.81°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.5°C
Average daily high
13.3°C
Average daily low
3.8°C
Annual rainfall
1,001mm
Sunshine / day
8.3h
Mean relative humidity
72%
Average peak wind
16.0km/h
Seasonal range
25.5°C
Frost days (< 0 °C)
130 d/yr
Hot days (≥ 30 °C)
11 d/yr
Rainy days (≥ 1 mm)
133 d/yr
Annual snowfall
115.6 cm
Average feels-like high
11.3 °C
Average feels-like low
0.9 °C
Average peak gust
39.7 km/h
Tropical nights (≥ 20 °C)
7 d/yr
Solar radiation
13.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
37.4 °C
21 July 2011
Coldest day
-30.0 °C
18 February 1979
Wettest day
115 mm
30 September 2010
Windiest day
46.7 km/h
25 November 1950
Strongest gust
141.8 km/h
25 November 1950
Hottest feels-like
40.6 °C
26 August 1948
Coldest feels-like
-35.0 °C
18 February 1979
Snowiest day
39.1 cm
14 February 1940
Sunniest day
14.7 h
21 June 2014
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 | -2.2 °C | -1.5 °C | 32 mm | -33 mm |
| Feb | 0.5 °C | -0.4 °C | 72 mm | +7 mm |
| Mar | 11.1 °C | +5.1 °C | 58 mm | -28 mm |
| Apr | 14.5 °C | +1.4 °C | 86 mm | -8 mm |
| May | 17.8 °C | -1.4 °C | 149 mm | +49 mm |
| Jun | 25.4 °C | +1.5 °C | 79 mm | -15 mm |
| Jul | 28.8 °C | +2.3 °C | 61 mm | -23 mm |
| Aug | 26.1 °C | +0.7 °C | 37 mm | -49 mm |
| Sep | 23.8 °C | +2.5 °C | 68 mm | -20 mm |
| Oct | 15.7 °C | +0.7 °C | 98 mm | +16 mm |
| Nov | 7.7 °C | -0.2 °C | 48 mm | -33 mm |
| Dec | 0.2 °C | -1.4 °C | 69 mm | -6 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 Elmira?
Elmira has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 8.5 °C and it receives 1,001 mm of precipitation per year.
What is the hottest day ever recorded in Elmira?
The hottest day measured in Elmira between 1940 and 2025 was 21 July 2011, reaching 37.4 °C.
What is the coldest day in Elmira?
The coldest day measured in Elmira between 1940 and 2025 was 18 February 1979, at -30.0 °C.
Does it snow in Elmira?
Yes. Elmira gets on average 115.6 cm of snow per year and has around 130 frost days.
Has the climate of Elmira warmed?
Yes: Elmira warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Elmira?
The wettest day measured in Elmira between 1940 and 2025 was 30 September 2010, with 115 mm of rain in 24 hours.
What was the windiest day in Elmira?
The windiest day measured in Elmira between 1940 and 2025 was 25 November 1950, with winds reaching 46.7 km/h.
What is the warmest month in Elmira?
The warmest month in Elmira is July (21.0 °C on average); the coldest is January (-4.5 °C).
How much does it rain in Elmira?
Elmira receives on average 1,001 mm of precipitation per year, spread over about 133 rainy days.
Is it sunny in Elmira?
Elmira 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 Elmira?
The heaviest 24-hour snowfall measured in Elmira between 1940 and 2025 was 14 February 1940, with 39.1 cm.
Are there tropical nights in Elmira?
Yes: Elmira has on average 7 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Elmira?
In Elmira, between 1940 and 2025, the highest apparent temperature reached 40.6 °C on 26 August 1948, and the lowest was -35.0 °C on 18 February 1979.
Compare Elmira with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Elmira