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Saint John Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint John.
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Climate overview of Saint John
Saint John, Saint John, US Virgin Islands, enjoys a steady climate throughout the year, with daytime temperatures typically around 28°C (82°F). September is the warmest month at 30°C (86°F), while February is the coolest at 27°C (81°F).
Annual rainfall is moderate at around 994 mm (39 in), with September being the wettest month. The city also has a distinct dry season from February to March.
Saint John Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint John - and find the best time to visit.
Monthly Temperature in Saint John
The temperature in Saint John remains steady throughout the year, providing a consistently comfortable climate. Average daytime temperatures reach a comfortable 30°C (86°F) in September. In February, the coolest month of the year, temperatures drop to a comfortable 27°C (81°F).
At night, temperatures range from around 27°C (81°F) in September to 24°C (75°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint John
Generally, Saint John has a moderate amount of precipitation, averaging 994 mm (39 in) of rainfall annually. Saint John can be quite wet during September, receiving approximately 145 mm (5.7 in) of precipitation over 19 rainy days.
In contrast, during the driest month (March), you will experience much drier conditions, with 33 mm (1.3 in) of precipitation spread across 14 rainy days. For more details, please visit our Saint John Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Saint John
For comfortable weather, consider visiting Saint John in January, February, March, April, May, June, July and December. Conditions are usually least favourable in August and September.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
excellent
Feb
excellent
Mar
excellent
Apr
excellent
May
excellent
Jun
excellent
Jul
excellent
Aug
mixed
Sep
mixed
Oct
very good
Nov
very good
Dec
excellent
- Best overall: January, February, March, April, May, June, July and December
- Warmest weather: May, June, July, August, September, October and November
- Fewer rainy days: February, March, April, May and June
- Seasonal pattern: A distinct dry season from February to March
Frequently asked questions about the climate in Saint John
What is the best time to visit Saint John?
January, February, March, April, May, June, July and December typically offer the most optimal weather in Saint John. In contrast, August and September tend to have less optimal conditions. Saint John has a distinct dry season from February to March.
What temperatures can I expect in Saint John?
Daytime highs range from 27°C (81°F) in February to 30°C (86°F) in September. Nighttime lows range from 24°C (75°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Saint John get?
Annual rainfall is around 994 mm (39 in). September is the wettest month with 145 mm (5.7 in), while March is the driest with 33 mm (1.3 in).
Saint John 3-Day Forecast
Saint John on the map
Saint John is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Lindbergh Bay
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