Orcas (WA) Temperature by Month
The average annual maximum temperature in Orcas, Washington State, United States of America is 14°C (57°F), with daytime highs ranging from 7°C (45°F) in December to 22°C (72°F) in July. This page covers monthly averages, day-night differences, and how Orcas compares to cities worldwide.
Orcas Monthly Temperatures
In Orcas, temperatures can shift dramatically between pleasant in summer and cold in winter. Nights follow the same pattern, with lows ranging from 11°C (52°F) in July to 2°C (36°F) in December.
The chart below illustrates the average maximum day and minimum night temperatures in Orcas by month:
From around 4 AM to 6 AM temperatures are at their lowest; by 3 PM they've climbed to their daily peak. July, the warmest month, averages 331 hours of sunshine.
The chart below shows the average temperature throughout the year:
Temperature: Orcas vs the United States of America
The map below shows the annual temperature across the United States of America. You can also select individual months if you want to compare a specific time of year.
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Orcas vs World: Temperature Compared
Orcas's average annual maximum temperature is 14°C (57°F). To put that in context, here's how it compares to a few well-known destinations:
Lisbon, Portugal averages 21°C (70°F) annually — warm summers, mild winters, and rain mainly in the cooler months.
Glasgow, Scotland averages 13°C (55°F) a year — mild but often grey, with cold winters and rarely hot summers.
Osaka, Japan averages 22°C (72°F) annually, with hot humid summers, mild winters, and pleasant spring and autumn seasons.
Melbourne, Australia averages 20°C (68°F) annually — known for unpredictable weather, with four seasons sometimes happening in one day.
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.
Seasonal temperature shifts influence more than just how warm it feels — they also drive changes in rainfall, cloud cover, and wind patterns throughout the year.
Warmer air holds more moisture, which tends to mean heavier or more frequent rain during the warmer months. When temperatures drop in winter, any precipitation that does fall is more likely to come as snow or sleet, though in Orcas this rarely lasts long on the ground.
For more on Orcas's weather — including monthly rainfall, sunshine hours, and humidity — visit our Orcas climate page.
