Our verdict
The best time to visit St. John's is September
The warmest month of the year in St. John's is August, where the average temperature gets to around 18℃ (65℉), but temperatures can reach as high as 19℃ (66℉) on the hottest days in summer. The weather in the winter, especially around February, can reach a minimum of 6℃ (42℉).
If you’re keen to see the sights of St. John's during the day, the sun stays up the longest around July. The wet season in St. John's usually falls during the months surrounding November each year. It’s not uncommon to get some decent rainfall or light showers during this time, but on some days the weather tends to be fine for a majority of the day, with only a few drops of rain falling from a passing shower.
By the time you finish reading below, you’ll know everything you need to know about the best time to travel to St. John's. Once you’re ready, we’ve even provided all the tools you’ll ever need to help you book your travel!
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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St. John's seasons
Before you continue, it’s important to know when the seasons are in St. John's as they might be different to yours depending on where in the world you’re travelling from. St. John's is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in St. John's
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in St. John's for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
St. John's climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in St. John's for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
St. John's in January
- Average temperature: 9℃ (47℉)
- Average high temperature: 10℃ (49℉)
- Average low temperature: 7℃ (45℉)
- Average humidity: 79%
- Average sunny days: 8 days
- Average rainfall: 55mm (2") over 20 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in January, make sure you pack a warm jacket or coat.
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St. John's in February
- Average temperature: 8℃ (47℉)
- Average high temperature: 9℃ (48℉)
- Average low temperature: 7℃ (45℉)
- Average humidity: 78%
- Average sunny days: 8 days
- Average rainfall: 48mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in February, make sure you pack a warm jacket or coat.
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St. John's in March
- Average temperature: 9℃ (48℉)
- Average high temperature: 10℃ (50℉)
- Average low temperature: 8℃ (46℉)
- Average humidity: 80%
- Average sunny days: 13 days
- Average rainfall: 37mm (1") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in March, make sure you pack a warm jacket or coat.
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St. John's in April
- Average temperature: 10℃ (51℉)
- Average high temperature: 11℃ (53℉)
- Average low temperature: 9℃ (48℉)
- Average humidity: 80%
- Average sunny days: 14 days
- Average rainfall: 32mm (1") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in April, make sure you pack a warm jacket or coat.
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St. John's in May
- Average temperature: 12℃ (54℉)
- Average high temperature: 13℃ (56℉)
- Average low temperature: 11℃ (52℉)
- Average humidity: 82%
- Average sunny days: 15 days
- Average rainfall: 27mm (1") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in May, make sure you pack a warm jacket or coat.
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St. John's in June
- Average temperature: 15℃ (58℉)
- Average high temperature: 16℃ (60℉)
- Average low temperature: 14℃ (57℉)
- Average humidity: 84%
- Average sunny days: 15 days
- Average rainfall: 31mm (1") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in June, make sure you pack a light jumper or hoodie.
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St. John's in July
- Average temperature: 17℃ (62℉)
- Average high temperature: 18℃ (64℉)
- Average low temperature: 16℃ (60℉)
- Average humidity: 83%
- Average sunny days: 15 days
- Average rainfall: 27mm (1") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in July, make sure you pack a light jumper or hoodie.
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St. John's in August
- Average temperature: 17℃ (63℉)
- Average high temperature: 18℃ (65℉)
- Average low temperature: 16℃ (61℉)
- Average humidity: 81%
- Average sunny days: 15 days
- Average rainfall: 38mm (2") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in August, make sure you pack a light jumper or hoodie.
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St. John's in September
- Average temperature: 17℃ (62℉)
- Average high temperature: 17℃ (63℉)
- Average low temperature: 16℃ (60℉)
- Average humidity: 79%
- Average sunny days: 14 days
- Average rainfall: 29mm (1") over 13 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in September, make sure you pack a light jumper or hoodie.
St. John's in October
- Average temperature: 15℃ (59℉)
- Average high temperature: 16℃ (60℉)
- Average low temperature: 14℃ (56℉)
- Average humidity: 79%
- Average sunny days: 11 days
- Average rainfall: 55mm (2") over 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in October, make sure you pack a light jumper or hoodie.
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St. John's in November
- Average temperature: 12℃ (54℉)
- Average high temperature: 13℃ (55℉)
- Average low temperature: 11℃ (52℉)
- Average humidity: 78%
- Average sunny days: 7 days
- Average rainfall: 74mm (3") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in November, make sure you pack a warm jacket or coat.
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St. John's in December
- Average temperature: 10℃ (50℉)
- Average high temperature: 11℃ (52℉)
- Average low temperature: 9℃ (48℉)
- Average humidity: 78%
- Average sunny days: 7 days
- Average rainfall: 66mm (3") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. John's in December, make sure you pack a warm jacket or coat.
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