Ottawa vs Burlington: which is sunnier?
🇨🇦 Canada vs 🇺🇸 United States · 220 km apart · long-term climate normals (NASA POWER, 2001–2020)
Ottawa is the sunnier overall: about 2,034 hours of sunshine a year to Burlington's 1,916. Ottawa has the higher Sunshine Score in 4 of 12 months, Burlington in 1 (7 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Ottawa | Burlington | |
|---|---|---|
| Sunshine hours / year | 2,034 | 1,916 |
| Sunniest month | September (75/100) | September (74/100) |
| Nov–Feb average score | 0/100 | 0/100 |
| Jun–Aug average score | 73/100 | 69/100 |
| Rain / year | 979 mm | 1,062 mm |
| Peak midday UV | 6 (high) | 6 (high) |
Ottawa vs Burlington month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Ottawa | Burlington | Ottawa | Burlington | Ottawa | Burlington | |
| January | 0 | 0 | -6° | -4° | 61 | 55 |
| February | 0 | 0 | -5° | -2° | 55 | 58 |
| March | 0 | 0 | 2° | 3° | 64 | 67 |
| April | 19 | 19 | 11° | 11° | 85 | 86 |
| May | 69 | 65 | 19° | 19° | 85 | 102 |
| June | 72 | 66 | 23° | 24° | 104 | 128 |
| July | 73 | 70 | 26° | 27° | 98 | 109 |
| August | 74 | 71 | 25° | 26° | 88 | 100 |
| September | 75 | 74 | 21° | 22° | 87 | 86 |
| October | 30 | 35 | 13° | 14° | 99 | 113 |
| November | 0 | 0 | 5° | 6° | 73 | 75 |
| December | 0 | 0 | -3° | 0° | 80 | 83 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May Ottawa · Jun Ottawa · Jul Ottawa · Aug Ottawa · Sep even · Oct Burlington · Nov even · Dec even.
When to pick which
- November–February: too close to call — Ottawa averages 0/100, Burlington 0/100. Burlington is the warmer, around 0°C daytime highs vs -2°C. See the winter sun ranking.
- March–May: too close to call — Ottawa averages 29/100, Burlington 28/100. Daytime highs are similar (11°C vs 11°C).
- June–August: Ottawa (average score 73/100 vs 69). Daytime highs are similar (25°C vs 26°C).
- September–October: too close to call — Ottawa averages 53/100, Burlington 55/100. Daytime highs are similar (17°C vs 18°C).
Full month-by-month guides: Ottawa weather by month · Burlington weather by month · Best time to visit Canada · Best time to visit United States.
More comparisons: Ottawa vs Montréal · Ottawa vs Montréal · Burlington vs Montréal · Burlington vs Montréal · Burlington vs Albany · all head-to-heads