Climate averages 1991–2020
Erie weather
in May.
A mild, wet month: the 5th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Erie: daytime highs average 17.8°C and nights cool to about 11.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 98 mm of rain on roughly 13 days, which makes May a wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 33 min on an average May day.
The nearest other city in this atlas is Brantford (113 km away). In May its highs average 19.1°C, 1.3°C warmer than Erie, with 87 mm of rain.
Among the 498 cities listed in the United States, Erie ranks joint 475th of 498 for the warmest May highs and joint 356th of 498 for the driest May (rainfall, lowest first). The mean May high of those 498 cities is 23.8°C; Erie is 6.0°C cooler than that mean.
From May to June, average highs rise by 5.3°C to 23.1°C, and monthly rainfall rises from 98 mm to 115 mm.
The annual picture
May in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Erie climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 0.0°C-5.7°C | -5.7°C | 112 | 16.6 | 9.59 h |
| February | 0.5°C-6.2°C | -6.2°C | 78 | 12.1 | 10.511 h |
| March | 4.3°C-2.4°C | -2.4°C | 93 | 12.2 | 11.912 h |
| April | 10.9°C4.2°C | 4.2°C | 109 | 13.1 | 13.313 h |
| May, selected | 17.8°C11.2°C | 11.2°C | 98 | 12.6 | 14.515 h |
| June | 23.1°C17.1°C | 17.1°C | 115 | 13.1 | 15.215 h |
| July | 25.3°C19.8°C | 19.8°C | 121 | 13.4 | 14.915 h |
| August | 24.6°C19.1°C | 19.1°C | 111 | 12.6 | 13.914 h |
| September | 21.2°C15.6°C | 15.6°C | 106 | 11.1 | 12.513 h |
| October | 14.8°C9.5°C | 9.5°C | 125 | 14.5 | 11.111 h |
| November | 8.2°C3.5°C | 3.5°C | 123 | 15.5 | 9.810 h |
| December | 2.9°C-1.5°C | -1.5°C | 129 | 17.8 | 9.29 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Brantford in MayCanada · 113 kmHigh 19.1°C · Low 8.8°C · 87 mm rain
- Stoney Creek in MayCanada · 124 kmHigh 19.1°C · Low 9.0°C · 83 mm rain
- Hamilton in MayCanada · 126 kmHigh 17.0°C · Low 9.6°C · 83 mm rain
- Buffalo in MayUnited States · 130 kmHigh 18.0°C · Low 10.2°C · 87 mm rain
- London, Canada in MayCanada · 134 kmHigh 18.9°C · Low 9.0°C · 98 mm rain
- St. Catharines in MayCanada · 135 kmHigh 17.4°C · Low 9.5°C · 83 mm rain
- Niagara Falls in MayCanada · 136 kmHigh 18.3°C · Low 9.7°C · 87 mm rain
- Cambridge, Canada in MayCanada · 138 kmHigh 18.8°C · Low 8.3°C · 87 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Erie) is explained once on the Erie year overview and on the Sources, method and limits page.