Saint John
Elevation 30 m45.28° N, 66.06° W
When to go?
Mean −6 °C, 10 rain days in the month (126 mm).
Against
- Freezinglows of −11 °C
Mean −5 °C, 8 rain days in the month (106 mm).
Against
- Freezinglows of −10 °C
Mean −1 °C, 9 rain days in the month (118 mm).
Against
- Freezinglows of −6 °C
Mean 4 °C, 10 rain days in the month (109 mm).
Nothing against it.
Mean 10 °C, 10 rain days in the month (106 mm).
Nothing against it.
Mean 15 °C, 10 rain days in the month (112 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 18 °C, 9 rain days in the month (102 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 18 °C, 7 rain days in the month (89 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 15 °C, 7 rain days in the month (106 mm).
Good for
- Ideal to visitTemperature and rain in the ideal range.
Mean 9 °C, 9 rain days in the month (133 mm).
Nothing against it.
Mean 3 °C, 10 rain days in the month (138 mm).
Nothing against it.
Mean −2 °C, 11 rain days in the month (156 mm).
Against
- Freezinglows of −6 °C
The best months are June–September. Avoid December–March (freezing).
What is the climate like?
Temperature and rain
Monthly min and max temperature (°C)
Monthly min and max temperature (°C)
How much it rains
Rain days and how much water
Rain days and how much water
Bars: length = rain days, thickness = mm on a rain day, area = the month's rain. 3 mm a day7 mm a day15 mm a day
Colour = the month's rain: 103060100160250400mm
Daylight hours
Daylight and sky: sunrise, sunset and cloud cover
daylight under a clear sky (average share)daylight under cloud
daylight under a clear sky (average share)daylight under cloud
Times on the 15th of each month, in local time: daylight saving where and when it applies, standard time in the other months.
Sea temperature: Bay of Fundy
Monthly mean sea temperature: Bay of Fundy (°C)
Monthly mean sea temperature: Bay of Fundy (°C)
Snow on the ground
Mean snow depth on the ground (cm)
Mean snow depth on the ground (cm)
Effect of climate change
Today's climate (1996–2025) compared with 1961–1990:
In short
Year by year
Temperature of each year
Against 1961–1990 the mean temperature of today (1996–2025) has changed by +1.0 °C; in the last ten years by +1.6 °C. Warmest year: 2024 (+2.3 °C), coldest: 1972 (−0.9 °C).
December and February warmed the most (+2.2 and +1.3 °C), June the least (+0.6 °C). The warm season (above the annual mean of then, 5 °C) begins 5 days earlier and ends 2 days later.
Warming stripes: after an idea by Ed Hawkins (University of Reading), showyourstripes.info, CC BY 4.0.
Rain of each year (% against 1961–1990)
more rain than in 1961–1990less rain
Rain in a year: no clear trend, dry and wet years alternate as before.
The sea, then and now
+1.1 °Cthe sea today, compared with 1961–1990
Snow, then and now
≈no clear change of winter snow compared with 1961–1990