Dry weather: only 19 inches of rain and melted snow a year in Twin Lakes, less than in 90% of U.S. towns
On a normal January night the air cools to about 21°. Its July afternoons stay fresher than in 64% of U.S. towns. The latest 30-year average runs 1.4° warmer than 1901–2000’s, with January up the most. Radiators earn their keep from October to April, the months that average under 50°.
A year in Twin Lakes at a glance
Each month’s typical high and low, and what it brings.
What stands out about Twin Lakes’ climate
Compared with towns across the U.S., with Twin Lakes’ place in Washington beside it.
What a year in Twin Lakes feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 19 inches of rain a year
December is the wettest month and August the driest.
Rain + melted snow by month
Inches of water
Living with Twin Lakes’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 6a.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 9.9 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Twin Lakes from natural hazards, wildfire is the largest share (61%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Twin Lakes and similar climates
TownRatings has no climate map of the towns around Twin Lakes yet.
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
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°).
A smaller shift than in 50% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Twin Lakes compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Twin Lakes’ place among Washington’s.
Twin Lakes weather by month
Highs, lows and precipitation from NOAA’s grid at Twin Lakes’ center. 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" |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 20° to 37°. December is the most reliable, staying within 10°.
Where Twin Lakes’ numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Twin Lakes’ center.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Twin Lakes’ climate
What is the weather like in Twin Lakes?
A typical July afternoon reaches 84°, a January night drops to 21°. Colder January nights than 56% of U.S. towns; cooler July afternoons than 64% of U.S. towns.
How cold does it get in Twin Lakes in winter?
December nights average 20°. In the coldest December of the last 30 years the month averaged 19°.
How hot does it get in Twin Lakes?
July, with a typical high of 84°. 90° days are rare.
What growing zone is Twin Lakes in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −7°.
What is the best time of year to visit Twin Lakes?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Twin Lakes getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 50% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Twin Lakes.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.