Thunder Bay
Canada
Perched on the rugged edge of Lake Superior, this port city is the gateway to vast northern Ontario wilderness.
Warmest month is July at 24°C on average. Coolest is January at -7°C.
Six lead datapoints
- CoffeeWorld Bank PPP baseline$5.00 (~$3.75)PPP price tier 3 / 4
- $6.75 (~$5.00)PPP price tier 3 / 4
- Flight timeMethodology8h from London HeathrowGreat-circle plus routing overhead.
- Flight CO2eDEFRA 2024 factors2,275 kg return from London HeathrowDEFRA 2024 economy factors, includes radiative forcing.
- FCDO advisorygov.uk, snapshot compiled 2026-07-11No specific FCDO warnings against travel.Check the latest FCDO advice before booking.
- Tap waterCDC / WHO guidanceTap water is generally safe to drink.
| Month | Avg high | Swing | Rain days |
|---|---|---|---|
| January | -7° | ±9° | · |
| February | -6° | ±9° | · |
| March | 1° | ±7° | · |
| April | 7° | ±7° | · |
| May | 15° | ±7° | · |
| June | 21° | ±6° | · |
| July | 24° | ±4° | · |
| August | 23° | ±5° | · |
| September | 19° | ±6° | · |
| October | 11° | ±8° | · |
| November | 3° | ±8° | · |
| December | -4° | ±8° | · |
What to do
- Hike the Sleeping Giant
- Visit Fort William Historical Park
- See Kakabeka Falls
- Sail on Lake Superior
How we know this
Values are the average of the last ten calendar years of daily readings from Visual Crossing, snapped to the destination cluster. Swing is the p10 to p90 range of daily highs, halved for the ± figure. Rain days count any day with at least 1 mm of precipitation.