Buffalo vs Waterloo (Ontario): which is sunnier?
🇺🇸 United States vs 🇨🇦 Canada · 145 km apart · long-term climate normals (NASA POWER, 2001–2020)
Waterloo (Ontario) is the sunnier overall: about 2,026 hours of sunshine a year to Buffalo's 1,831. Waterloo (Ontario) has the higher Sunshine Score in 5 of 12 months, Buffalo in 1 (6 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Buffalo | Waterloo (Ontario) | |
|---|---|---|
| Sunshine hours / year | 1,831 | 2,026 |
| Sunniest month | August (75/100) | August (79/100) |
| Nov–Feb average score | 0/100 | 0/100 |
| Jun–Aug average score | 74/100 | 77/100 |
| Rain / year | 947 mm | 763 mm |
| Peak midday UV | 7 (high) | 7 (high) |
Buffalo vs Waterloo (Ontario) month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Buffalo | Waterloo (Ontario) | Buffalo | Waterloo (Ontario) | Buffalo | Waterloo (Ontario) | |
| January | 0 | 0 | -1° | -3° | 64 | 50 |
| February | 0 | 0 | 0° | -2° | 57 | 47 |
| March | 0 | 0 | 5° | 4° | 63 | 51 |
| April | 19 | 19 | 11° | 11° | 81 | 69 |
| May | 61 | 71 | 18° | 19° | 85 | 73 |
| June | 73 | 77 | 24° | 24° | 87 | 73 |
| July | 73 | 76 | 27° | 28° | 91 | 77 |
| August | 75 | 79 | 27° | 27° | 79 | 63 |
| September | 73 | 78 | 23° | 23° | 87 | 70 |
| October | 42 | 38 | 15° | 14° | 98 | 74 |
| November | 0 | 0 | 8° | 7° | 75 | 62 |
| December | 0 | 0 | 2° | 0° | 80 | 54 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May Waterloo (Ontario) · Jun Waterloo (Ontario) · Jul Waterloo (Ontario) · Aug Waterloo (Ontario) · Sep Waterloo (Ontario) · Oct Buffalo · Nov even · Dec even.
When to pick which
- November–February: too close to call — Buffalo averages 0/100, Waterloo (Ontario) 0/100. Daytime highs are similar (2°C vs 1°C). See the winter sun ranking.
- March–May: Waterloo (Ontario) (average score 30/100 vs 27). Daytime highs are similar (11°C vs 11°C).
- June–August: Waterloo (Ontario) (average score 77/100 vs 74). Daytime highs are similar (26°C vs 26°C).
- September–October: too close to call — Buffalo averages 58/100, Waterloo (Ontario) 58/100. Daytime highs are similar (19°C vs 19°C).
Full month-by-month guides: Buffalo weather by month · Waterloo (Ontario) weather by month · Best time to visit United States · Best time to visit Canada.
More comparisons: Buffalo vs Toronto · Buffalo vs Rochester · Waterloo (Ontario) vs Toronto · Waterloo (Ontario) vs Rochester · all head-to-heads