Twin Lakes, WA climate
Twin Lakes has chilly winters and pleasant summers, with very little rain. A typical July afternoon reaches 84°, a January night drops to 21°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Twin Lakes feels like
Winter
Spring
Summer
Fall
Twin Lakes weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 32° | 21° | 2.1" | 18° – 32° |
| February | 38° | 23° | 1.6" | 20° – 37° |
| March | 48° | 28° | 1.8" | 33° – 44° |
| April | 57° | 33° | 1.6" | 39° – 54° |
| May | 67° | 41° | 2.0" | 48° – 60° |
| June | 73° | 46° | 1.9" | 55° – 69° |
| July | 84° | 52° | 0.8" | 59° – 73° |
| August | 83° | 52° | 0.5" | 61° – 72° |
| September | 74° | 44° | 0.7" | 54° – 65° |
| October | 57° | 34° | 1.5" | 40° – 52° |
| November | 40° | 27° | 2.1" | 28° – 40° |
| December | 30° | 20° | 2.4" | 19° – 30° |
| Year | 57° | 35° | 19.1" |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Twin Lakes
Twin Lakes gets 19 inches of rain and melted snow a year. December is the wettest month and August the driest.
How Twin Lakes compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Twin Lakes averaged 1.4° warmer than the 1900s. The biggest change is in January (+4.5°). The shift is larger than in 60% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Twin Lakes’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 20° to 37°. December is the most reliable, staying within 10°.
Common questions about Twin Lakes’s climate
What is the coldest month in Twin Lakes?
December, with a typical high of 30° and a low of 20°.
What is the hottest month in Twin Lakes?
July, with a typical high of 84° and a low of 52°.
What is the rainiest month in Twin Lakes?
December, with 2.4 inches of rain and melted snow. The year totals 19 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Twin Lakes itself (about a 3-mile square). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.