7 to 27°C
temperature
1017 hours
sunshine per day
1275 mm
rain
168 days
dry
187 days
rain
10 days
snow

Climate of West Lake Sammamish

West Lake Sammamish has a mediterranean climate. The summers are warm and dry, and the temperature is cold in the winter. The average annual temperature for West Lake Sammamish is 31° degrees and there is about 502 inch of rain in a year. It is dry for 155 days a year with an average humidity of 75% and an UV-index of 3.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 7°C and 27°C
  • Night:the average nighttime temperature is between 2°C and 17°C
  • Rain: it rains 187 days and there is a total of approximately 1275 mm rainfall
  • Snow: it snows an average of 10 days per year
  • Sun hours: throughout the year there are 1017 sun hours
Maximum temperature: between 7°C and 27°C
Warmest month: 27°C in July
Coldest month: 7°C in December
Night temperature: between 2°C and 17°C
Dry days: 168 days
Days with rain: 187 days
Days with snow: 10 days
Total rain sum: 1275 mm
Hours of sunshine: 1017 hours

Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for West Lake Sammamish.

Precipitation graph

This graph shows the average amount of rainfall per month for West Lake Sammamish.

Climate table of West Lake Sammamish

In this climate table you can see at a glance what the average weather per month is for West Lake Sammamish. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for West Lake Sammamish might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°F) 46 48 52 58 66 71 80 80 73 62 50 44
Night temp. (°F) 37 37 39 44 50 55 61 62 55 48 41 35
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (inch) 72 48 67 42 31 17 6 7 23 54 74 59
Days with rain 19 18 22 19 16 12 7 7 11 17 21 18
Days with snow 1 3 2 - - - - - - - 1 3
Dry days 11 7 7 11 15 18 24 24 19 14 8 10
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 2 2 2 3 4 4 4 4 4 2 2 2
Wind force (Bft) 2 2 2 2 2 2 2 2 2 2 2 2
UV-index 2 2 3 4 4 4 5 4 4 3 2 2

Best time to visit West Lake Sammamish

The best time to visit West Lake Sammamish in the state of Washington is from May through September. In this period you have a warm temperature and little precipitation. The highest average temperature in West Lake Sammamish is 80°F in July and the lowest is 44°F in December.

Climate of West Lake Sammamish by month

What is the average climate in a given month for West Lake Sammamish? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

West Lake Sammamish weather experiences

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