Our verdict
The best time to visit Saint John's is January-April
In summer, temperatures can reach as high as 29℃ (84℉) in the middle of the day. In the colder months such as March, temperatures usually get down to an average minimum of 25℃ (77℉).
If you want to get the most out of your time visiting Saint John's, or you’re just afraid of the dark, the days in August are usually the longest between sunrise and sunset. On average it rains the most days in October, making it the wettest month of the year. Although it’s the wet season, it can often rain a little bit during the day or evening but have fine weather for a majority of the day too, so don’t let this put you off.
Continue reading to find out loads more about when to travel to Saint John's, then use the handy tools below to search for the best flight and hotel options that are right for you.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Saint John's seasons
Before you continue, it’s important to know when the seasons are in Saint John's as they might be different to yours depending on where in the world you’re travelling from. Saint 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 Saint 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 Saint 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.
Saint 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 Saint 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:
Saint John's in January
- Average temperature: 26℃ (79℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 26℃ (78℉)
- Average humidity: 75%
- Average sunny days: 5 days
- Average rainfall: 34mm (1") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in January, make sure you pack t-shirts and light clothing.
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Saint John's in February
- Average temperature: 26℃ (78℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 25℃ (77℉)
- Average humidity: 75%
- Average sunny days: 6 days
- Average rainfall: 23mm (1") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in February, make sure you pack t-shirts and light clothing.
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Saint John's in March
- Average temperature: 26℃ (78℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 25℃ (77℉)
- Average humidity: 75%
- Average sunny days: 9 days
- Average rainfall: 24mm (1") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in March, make sure you pack t-shirts and light clothing.
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Saint John's in April
- Average temperature: 26℃ (79℉)
- Average high temperature: 26℃ (80℉)
- Average low temperature: 26℃ (78℉)
- Average humidity: 77%
- Average sunny days: 7 days
- Average rainfall: 37mm (1") over 19 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in April, make sure you pack t-shirts and light clothing.
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Saint John's in May
- Average temperature: 27℃ (81℉)
- Average high temperature: 27℃ (81℉)
- Average low temperature: 26℃ (79℉)
- Average humidity: 78%
- Average sunny days: 2 days
- Average rainfall: 65mm (3") over 24 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in May, make sure you pack t-shirts and light clothing.
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Saint John's in June
- Average temperature: 28℃ (82℉)
- Average high temperature: 28℃ (82℉)
- Average low temperature: 27℃ (81℉)
- Average humidity: 78%
- Average sunny days: 1 days
- Average rainfall: 56mm (2") over 21 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in June, make sure you pack t-shirts and light clothing.
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Saint John's in July
- Average temperature: 28℃ (82℉)
- Average high temperature: 28℃ (83℉)
- Average low temperature: 27℃ (81℉)
- Average humidity: 78%
- Average sunny days: 1 days
- Average rainfall: 68mm (3") over 24 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in July, make sure you pack t-shirts and light clothing.
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Saint John's in August
- Average temperature: 28℃ (83℉)
- Average high temperature: 29℃ (83℉)
- Average low temperature: 28℃ (82℉)
- Average humidity: 78%
- Average sunny days: 2 days
- Average rainfall: 89mm (4") over 24 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in August, make sure you pack t-shirts and light clothing.
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Saint John's in September
- Average temperature: 28℃ (83℉)
- Average high temperature: 29℃ (84℉)
- Average low temperature: 28℃ (82℉)
- Average humidity: 77%
- Average sunny days: 3 days
- Average rainfall: 89mm (3") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in September, make sure you pack t-shirts and light clothing.
Saint John's in October
- Average temperature: 28℃ (83℉)
- Average high temperature: 29℃ (83℉)
- Average low temperature: 28℃ (82℉)
- Average humidity: 76%
- Average sunny days: 5 days
- Average rainfall: 100mm (4") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in October, make sure you pack t-shirts and light clothing.
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Saint John's in November
- Average temperature: 28℃ (82℉)
- Average high temperature: 28℃ (82℉)
- Average low temperature: 27℃ (81℉)
- Average humidity: 76%
- Average sunny days: 4 days
- Average rainfall: 96mm (4") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in November, make sure you pack t-shirts and light clothing.
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Saint John's in December
- Average temperature: 27℃ (80℉)
- Average high temperature: 27℃ (80℉)
- Average low temperature: 26℃ (79℉)
- Average humidity: 75%
- Average sunny days: 4 days
- Average rainfall: 56mm (2") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Saint John's in December, make sure you pack t-shirts and light clothing.
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