Erie climate — normals and trends
Erie (United States) has a hot-summer humid continental climate (Dfa) under the Köppen-Geiger classification. Its mean annual temperature is 9.3 °C and it receives 1,316 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 (22.5 °C on average) and the coldest is February (-3.7 °C). Rainfall peaks in November.
Erie averages 97 frost days, 0 hot days (≥ 30 °C) and 168 rainy days per year.
Erie has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The number of frost days there went from about 112 to 82 per year over the period.
The hottest day of the period reached 31.8 °C (on 3 August 1988) and the coldest -24.9 °C (on 17 January 1982).
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
EriePennsylvania
- coords
- 42.13°, -80.09°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
9.3°C
Average daily high
11.6°C
Average daily low
7.3°C
Annual rainfall
1,316mm
Sunshine / day
8.7h
Mean relative humidity
76%
Average peak wind
27.5km/h
Seasonal range
26.2°C
Frost days (< 0 °C)
97 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
168 d/yr
Annual snowfall
146.7 cm
Average feels-like high
9.1 °C
Average feels-like low
3.4 °C
Average peak gust
41.0 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
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.20 · 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
31.8 °C
3 August 1988
Coldest day
-24.9 °C
17 January 1982
Wettest day
96 mm
15 October 1954
Windiest day
76.1 km/h
6 April 1979
Strongest gust
120.6 km/h
6 April 1979
Hottest feels-like
38.0 °C
3 August 1988
Coldest feels-like
-35.1 °C
17 January 1982
Snowiest day
25.6 cm
17 January 2022
Sunniest day
14.9 h
5 July 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 | -1.2 °C | -0.7 °C | 104 mm | -2 mm |
| Feb | 0.0 °C | +0.8 °C | 106 mm | +23 mm |
| Mar | 6.4 °C | +3.9 °C | 71 mm | -30 mm |
| Apr | 8.1 °C | +0.3 °C | 119 mm | +13 mm |
| May | 13.3 °C | -1.4 °C | 188 mm | +87 mm |
| Jun | 21.0 °C | -0.8 °C | 68 mm | -45 mm |
| Jul | 25.3 °C | +0.8 °C | 68 mm | -47 mm |
| Aug | 23.2 °C | -0.6 °C | 69 mm | -43 mm |
| Sep | 20.9 °C | +0.5 °C | 37 mm | -71 mm |
| Oct | 15.4 °C | +1.1 °C | 159 mm | +44 mm |
| Nov | 7.9 °C | -0.2 °C | 153 mm | +22 mm |
| Dec | 2.5 °C | -0.3 °C | 135 mm | +8 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 Erie?
Erie has a hot-summer humid continental climate (Köppen Dfa). Over 1940-2025, the average annual temperature is 9.3 °C and it receives 1,316 mm of precipitation per year.
What is the hottest day ever recorded in Erie?
The hottest day measured in Erie between 1940 and 2025 was 3 August 1988, reaching 31.8 °C.
What is the coldest day in Erie?
The coldest day measured in Erie between 1940 and 2025 was 17 January 1982, at -24.9 °C.
Does it snow in Erie?
Yes. Erie gets on average 146.7 cm of snow per year and has around 97 frost days.
Has the climate of Erie warmed?
Yes: Erie warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Erie?
The wettest day measured in Erie between 1940 and 2025 was 15 October 1954, with 96 mm of rain in 24 hours.
What was the windiest day in Erie?
The windiest day measured in Erie between 1940 and 2025 was 6 April 1979, with winds reaching 76.1 km/h.
What is the warmest month in Erie?
The warmest month in Erie is July (22.5 °C on average); the coldest is February (-3.7 °C).
How much does it rain in Erie?
Erie receives on average 1,316 mm of precipitation per year, spread over about 168 rainy days.
Is it sunny in Erie?
Erie 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 Erie?
The heaviest 24-hour snowfall measured in Erie between 1940 and 2025 was 17 January 2022, with 25.6 cm.
Are there tropical nights in Erie?
Yes: Erie has on average 46 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Erie?
In Erie, between 1940 and 2025, the highest apparent temperature reached 38.0 °C on 3 August 1988, and the lowest was -35.1 °C on 17 January 1982.
Compare Erie with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Erie