What is the weather like in Newfoundland in July?

July is warm and generally the best weather month in Newfoundland. Average highs around 19-22°C in St. John's. Western Newfoundland around Gros Morne is typically warmer and drier than the Avalon Peninsula. Fog is common along the eastern and southern coasts. All tourism infrastructure is fully operating. This is peak tourist season.

Do I need a jacket in Newfoundland in July?

Yes. A warm mid-layer (fleece or down jacket) and waterproof outer shell are recommended even in July, particularly for whale watching boat tours, coastal hiking, and any elevated terrain. Whale watching boats in particular are significantly colder than land temperatures, and fog can drop temperatures quickly on exposed headlands.

Newfoundland Travel Tips

How Cold Is
Newfoundland in July?

Q: How cold is Newfoundland in July?

July is Newfoundland's warmest month, with average daytime highs of 19-22 degrees Celsius (66-72°F) in St. John's. However, coastal areas can be significantly cooler due to Atlantic winds, and evening temperatures regularly drop to 12-15°C even in July. Fog is common along the coast. Layered clothing including a warm mid-layer and waterproof jacket is advisable even in July.

July averages 19-22°C but coastal winds and Atlantic fog mean you still need layers. Here is exactly what to expect.

July is Newfoundland’s warmest month, averaging 19-22°C (66-72°F) during the day in St. John’s. However, Newfoundland’s Atlantic location means temperatures can feel significantly colder due to coastal winds, and fog is a regular feature of July weather along the eastern and southern coasts.

July Weather by Region

Region	Average High	Notes
St. John’s (Avalon Peninsula)	19-22°C	Foggier and cooler than western NL. Ocean influence.
Bonavista Peninsula	18-21°C	Similar to St. John’s. Atlantic breezes.
Central NL / Twillingate	20-23°C	Slightly warmer inland. Less fog.
Gros Morne / Rocky Harbour	20-24°C	Warmer and often sunnier than Avalon. Gulf of St. Lawrence.
Northern Peninsula / St. Anthony	17-20°C	Cooler. More wind. North Atlantic influence.
On a whale watching boat (any region)	Feels 5-8°C colder	Wind chill on open water is significant.

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Still Pack Layers for July

Even at peak summer temperatures, Newfoundland’s Atlantic weather can shift within hours. Evening temperatures in July regularly drop to 12-15°C, and exposed coastal headlands can feel much colder. A packable fleece and waterproof jacket should be in your daypack every day including in July.

July Activities and What to Pack

July is peak season for all Newfoundland experiences whale watching is at its best, puffins are active, hiking conditions are optimal, and all tours and visitor services are fully operating. It is also the busiest and most expensive month. Accommodation and rental cars should be booked months ahead.

? Frequently Asked Questions

Average daytime highs of 19-22°C in St. John’s, warmer in western Newfoundland around Gros Morne (20-24°C). Coastal winds and Atlantic fog can make it feel significantly colder. Evening temperatures regularly drop to 12-15°C.

Warm and generally the best weather month. All tourism infrastructure fully operating. Peak tourist season. Fog common on eastern and southern coasts. Western Newfoundland around Gros Morne typically warmer and drier.

Yes. A warm mid-layer and waterproof outer shell are recommended even in July, particularly for whale watching boat tours and coastal hiking. Wind on open water makes boat departures feel significantly colder than onshore temperatures.

Planning a July Newfoundland Trip?

Book car rental 3-4 months ahead. Summer inventory at YYT Airport sells out.

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