Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Friday Harbor area. Max: 9.3°C / 47.6°F Avg: 7.9°C / 46.2°F Min: 6.5°C / 44.8°F. Friday Harbor/San Juan Isl. Humidity. Yearly wind and weather averages for Friday Harbor/San Juan Isl. Historical weather data available. ): 6.6 [The annual snowfall in inches.Precipitation Days: 135 [The annual number of days with measurable precipitation (over .01 inch).Sunny Days: 157 [The average number of days per year that are predominantly sunny.Average July High Temperature: 70 Average Weather at Friday Harbor Airport Washington, United States. The measurements for the water temperature in Friday Harbor, Washington are provided by the daily satellite readings provided by the NOAA. Friday Harbor Weather Forecasts. Monthly average temperatures, rainfall, snow days & record high and low temperatures msn back to msn home weather records and averages powered by Microsoft News Average Weather during December in Friday Harbor (Washington State), United States of America. The average water summer water temperature is 50 º. Monthly Friday Harbor water temperature chart. Average Weather during July in Friday Harbor (Washington State), United States of America. Monthly average water temp. Friday Harbour wasn’t designed to be a place. Annual Weather Averages Near Palm Harbor. According to the United States Census Bureau, the town has a total area of 2.16 square miles (5.59 km 2), of which, 2.09 square miles (5.41 km 2) is land and 0.07 square miles (0.18 km 2) is water.. Friday Harbor has a Mediterranean climate (Köppen Csb) with warm, dry summers and cold, though not severe, and rainy winters. Based on weather reports collected during 1985–2015. Average Weather during December in Friday Harbor (Washington State), United States of America. Averages are for St. Petersburg / Clearwater International Airport, which is 12 miles from Palm Harbor. Mike Vouri Photo ... Rainfall in the park averages 29 inches per year at English camp on northwestern San Juan Island and 20 inches per year at American Camp on the island’s southern end. Average Weather in October in Friday Harbor Washington, United States. September is a dry month with an average of 28mm (1.1in) rain. Be prepared with the most accurate 10-day forecast for Palm Harbor, FL with highs, lows, chance of precipitation from The Weather Channel and Weather.com It was designed to be a destination. Over the course of the year, the temperature typically varies from 36°F to 73°F and is rarely below 26°F or above 82°F. A Northwest Treasure™ This is a Northwest treasure made up of more than just peaceful landscapes, diverse wildlife and pristine harbors. High Temp: 90 °F. Looking for weather data for a specific period in the past? … Whether you arrive to take in the peaceful serenity of the lake, spend hours in the Nature Preserve or mingle with friends over a gourmet meal, there’s no shortage of ways to enjoy your days. 7°C / 45°F (overcast clouds) Wind. Showing: All Year Climate & Weather Averages in Palm Harbor. Friday Harbor, Washington - Travel and vacation weather averages, current conditions and forecasts. When the storm tracks shift northward in summer, San Juan Island is left exceptionally dry and sunny. Weather. The American Camp visitor center parking area glistens under a typical January rainfall. Summer is without a doubt Friday Harbor's busiest tourist season. The average minimum temperature (usually the minimum temperature is noted during the night) in Friday Harbor in July is 12.0°C (53.6°F). Historical or past weather forecast page provides historical weather forecast from 1 st July, 2008 till now in 3 hourly interval. The average minimum temperature (usually the minimum temperature is noted during the night) in Friday Harbor in April is 6.0°C (42.8°F). The amount of rain in December is high with an average of 110mm (4.3in). Your Travel Guide for all things Friday Harbor & San Juan Island. San Juan Island is filled with farmers, artists, chefs and makers of all kinds. Also view: monthly average temperatures, precipitation, snow depth, wind speed, air quality and pollution. This month generally has very pleasant temperatures. Westsound/Orcas Isl. The average minimum temperature (usually the minimum temperature is noted during the night) in Friday Harbor in December is 3.5°C (38.3°F). 16 mph. July is a dry month with an average of 14mm (0.6in) rain. The San Juan Islands enjoy an average of 247 days with sunshine and about half the rainfall of the Seattle area, thanks to the "rain shadow" effect of the Olympic Mountains to the south. Be prepared with the most accurate 10-day forecast for Friday Harbor, WA with highs, lows, chance of precipitation from The Weather Channel and Weather.com April is a dry month with an average of 28mm (1.1in) rain. Friday Harbor, WA Weather. US Climate Data; Washington; Friday Harbor; Monthly Averages. Average Weather during September in Friday Harbor (Washington State), United States of America. July is the driest month of the year.