Less rain and snow falls on Lake Davis than on 87% of U.S. towns: 26 inches a year
High summer brings afternoon highs near 84°. Warming shows here too: 1.4° more than in 1901–2000, led by January. Seedlings are safe outdoors from about June 11, with the first autumn frost due around September 10.
A year in Lake Davis at a glance
Each month’s typical high and low, and what it brings.
What stands out about Lake Davis’ climate
Compared with towns across the U.S., with Lake Davis’ place in California beside it.
What a year in Lake Davis feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 91 frost-free days a year
In half of years the last 32° night comes by June 11 and the first by September 10. Frost and day counts come from Portola, CA, 3 miles away.
The 2023 USDA map puts Lake Davis’ center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −4°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 38 inches of snow a winter
Snow, measured at Portola, CA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 26 inches a year; December is the wettest month and August the driest. Rain or snow falls on about 62 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Lake Davis
98% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Portola, CA.
Living with Lake Davis’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
91 frost-free days in zone 6b. The last frost comes by Jun 11 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 10.
Months with highs of 62–84° and lows of 40° or more: June, August and September. 2.8 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Lake Davis from natural hazards, river flooding is the largest share (47%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Lake Davis and its neighbors
Portola the hottest July afternoons (86°, 2° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Lake Davis’, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Lake Davis, CA | 23° | 84° | 26" | 38" |
| Moscow, ID | 25° | 84° | 25" | 51" |
| Liberty Lake, WA | 25° | 84° | 22" | 45" |
| Oregon, OH | 21° | 85° | 33" | 37" |
| Temperance, MI | 20° | 85° | 34" | 37" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Lake Davis averaged 1.4° warmer than the 1900s. The biggest change is in January (+2.4°).
A bigger shift than in 51% 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 Lake Davis compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Lake Davis’ place among California’s.
Lake Davis weather by month
Highs, lows and precipitation from NOAA’s grid at Lake Davis’ center; snow, wet days and snow on the ground from Portola, CA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 43° | 23° | 4.5" | 11.7" | 9 | 9 | 23° – 39° |
| February | 45° | 24° | 4.1" | 7.6" | 9 | 6 | 28° – 43° |
| March | 50° | 28° | 3.8" | 6.4" | 8 | 5 | 31° – 45° |
| April | 56° | 31° | 2.0" | 1.8" | 6 | 1 | 38° – 48° |
| May | 65° | 38° | 1.5" | 0.2" | 6 | 0 | 44° – 58° |
| June | 75° | 43° | 0.7" | 0.0" | 3 | 0 | 55° – 64° |
| July | 84° | 49° | 0.3" | 0.0" | 1 | 0 | 62° – 72° |
| August | 83° | 48° | 0.2" | 0.0" | 1 | 0 | 62° – 69° |
| September | 77° | 42° | 0.5" | 0.1" | 2 | 0 | 55° – 63° |
| October | 64° | 34° | 1.4" | 0.4" | 4 | 0 | 45° – 53° |
| November | 51° | 27° | 2.4" | 2.4" | 6 | 1 | 30° – 43° |
| December | 41° | 22° | 4.7" | 7.2" | 8 | 6 | 26° – 36° |
| Year | 61° | 34° | 26.1" | 37.8" | 62 | 29 |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 23° to 39°. August is the most reliable, staying within 7°.
Where Lake Davis’ 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 Lake Davis’ center.
- Snow: Portola, CA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Portola, CA, 3 miles from the town’s center, 640 ft lower; no station nearby passes every check; this is the nearest one in the same valley, flagged above.
- 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 Lake Davis’ climate
What is the weather like in Lake Davis?
A typical July afternoon reaches 84°, a January night drops to 23°, and about 38 inches of snow falls in a normal winter. Milder January nights than 54% of U.S. towns; cooler July afternoons than 58% of U.S. towns.
How cold does it get in Lake Davis in winter?
December nights average 22°. About 205 nights a year reach 32° or below and 2 reach 0° or below. In the coldest December of the last 30 years the month averaged 26°.
How much snow does Lake Davis get?
About 38 inches in a normal winter at Portola, CA, most of it in January, with snow on the ground about 29 days a year.
How hot does it get in Lake Davis?
July, with a typical high of 84° and a low of 49°. About 22 days a year reach 90° (Portola, CA).
When is the first and last frost in Lake Davis?
In half of years the last spring frost (32°) comes by June 11 and the first fall frost by September 10, about 91 frost-free days, at Portola, CA.
What growing zone is Lake Davis in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −4°.
What is the best time of year to visit Lake Davis?
By one simple rule (highs of 62–84° and lows of 40° or more), June, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Lake Davis getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 51% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Lake Davis.
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.