Niagara Falls Weather in May
Niagara Falls in May
The short of it: Niagara Falls in May averages a high of 19 °C (67 °F) and a low of 9 °C (47 °F), with 87 mm (3.4 in) of rain and about 14 h 39 min of daylight. Rated 3 of 5 for a visit; the best months are September and June. Source: TerraClimate climate normals, 1991–2020.
Average high 19° · low 9° · rain 87 mm · daylight 14 h 39 min
✦✦✦ Fair for a visit · best months: September & June
Thirty years of records give Niagara Falls an average May high of 19°, a low of 9° and some 87 mm of rain. Highs rise 7° against April, to near 19°; nights run about 9°. It is the wettest month of the year here, about 87 mm.
The sun is up for about 14 h 39 min in mid-May, 78 minutes more than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates May 3 of 5 for a visit; the finest months here are September and June.
Against its neighbours, Niagara Falls runs warmer than most and wetter than most in May. Niagara Falls, 1 km to the SE, sees much the same highs.
May in Niagara Falls, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 1st wettest of 12
- Versus April
- 7° warmer, 4.0 mm more rain
- Versus June
- 5° colder
- Day–night spread
- 11°
- Snow season
- Dec–Mar
- Daylight, mid-month
- 14 h 39 min
- Average wind
- 14 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Niagara FallsNew York | 1 km SE | 19° | 9° | 87 mm |
| St. CatharinesOntario | 16 km WNW | 19° | 9° | 82 mm |
| North TonawandaNew York | 18 km ESE | 19° | 9° | 84 mm |
| WellandOntario | 20 km SW | 19° | 8° | 89 mm |
| Fort ErieOntario | 25 km SSE | 19° | 8° | 84 mm |
| AmherstNew York | 26 km ESE | 20° | 9° | 86 mm |
| BuffaloNew York | 28 km SSE | 19° | 8° | 84 mm |
| East AmherstNew York | 31 km ESE | 20° | 9° | 82 mm |