Grand Falls -Windsor (NL) Temperature by Month
The average annual maximum temperature in Grand Falls -Windsor, Newfoundland and Labrador, Canada is 10°C (50°F), with daytime highs ranging from -2°C (28°F) in January to 23°C (73°F) in July. This page covers monthly averages, day-night differences, and how Grand Falls -Windsor compares to cities worldwide.
Grand Falls -Windsor Monthly Temperatures
Visitors to Grand Falls -Windsor can expect significant temperature changes throughout the year. Nighttime temperatures also vary widely, ranging from 12°C (54°F) in July to -12°C (10°F) in January.
The chart below illustrates the average maximum day and minimum night temperatures in Grand Falls -Windsor by month:
Low temperatures are most often recorded between 4 AM and 6 AM, while highs typically occur around 3 PM.
The chart below shows the average temperature throughout the year:
Temperature: Grand Falls -Windsor vs Canada
The map below shows the annual temperature across Canada. You can also select individual months if you want to compare a specific time of year.
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Grand Falls -Windsor vs World: Temperature Compared
Grand Falls -Windsor's average annual maximum temperature is 10°C (50°F). To put that in context, here's how it compares to a few well-known destinations:
Seville, Spain averages 23°C (73°F) a year — one of the warmer cities in Western Europe, with long hot summers.
Interlaken, Switzerland averages 8°C (46°F) a year, with cold winters and cool summers thanks to its Alpine setting.
Chicago, USA averages 15°C (59°F) annually — known for extreme seasonal swings, from bitterly cold winters to warm summers.
Adelaide, Australia averages 21°C (70°F) a year, with warm summers, mild winters, and relatively low rainfall year-round.
Climate temperature data is typically calculated as a 30-year average. This smooths out year-to-year variability and gives a more reliable picture of what a place is actually like, rather than what happened in any single unusual year.
The readings come from a range of sources — land-based weather stations, ocean buoys, ships, and satellites. That data is collected by weather services around the world, then pooled, quality-checked, and averaged to produce the climate records you see here.
For cities and regions with significant elevation, altitude is one of the biggest factors shaping local temperatures. As a rule of thumb, temperatures fall by around 6°C for every 1,000 metres gained — so a city at 2,000 metres will typically be around 12°C cooler than a city at sea level in the same region. Higher ground also tends to see more dramatic day-to-night temperature swings, since thinner air loses heat faster after sunset.
For more on Grand Falls -Windsor's weather — including monthly rainfall, sunshine hours, and humidity — visit our Grand Falls -Windsor climate page.
