Precipitation in Blairsden trails that of 86% of U.S. towns: 29 inches a year
Nights in January average 23°. The gap between a January night and a July afternoon is 64°. Summer afternoons here are warmer than in 60% of U.S. towns. Warm coats and heating bills mark the months from November to April, when means dip under 50°.
A year in Blairsden at a glance
Each month’s typical high and low, and what it brings.
What stands out about Blairsden’s climate
Compared with towns across the U.S., with Blairsden’s place in California beside it.
What a year in Blairsden 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 NOAA’s station at Portola, CA, 8 miles from the town’s center, 350 ft higher.
The 2023 USDA map puts Blairsden’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 1°. 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 29 inches a year; December is the wettest month and July 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 Blairsden
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 Blairsden’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
91 frost-free days in zone 7a. 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 and September.
Parks & trails →Of the yearly building losses FEMA expects in Blairsden from natural hazards, river flooding is the largest share (58%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Blairsden and its neighbors
Every town next door is within a degree of Blairsden in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Blairsden’s, 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 |
|---|---|---|---|---|
| Blairsden, CA | 23° | 87° | 29" | 38" |
| Toledo, OH | 21° | 85° | 34" | 37" |
| Temperance, MI | 20° | 85° | 34" | 37" |
| Liberty Lake, WA | 25° | 84° | 22" | 45" |
| Moscow, ID | 25° | 84° | 25" | 51" |
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 Blairsden averaged 1.3° warmer than the 1900s. The biggest change is in January (+2.2°).
A smaller shift than in 55% 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 Blairsden compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Blairsden’s place among California’s.
Blairsden weather by month
Highs, lows and precipitation from NOAA’s grid at Blairsden’s 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 | 44° | 23° | 5.0" | 11.7" | 9 | 9 | 25° – 40° |
| February | 48° | 25° | 4.7" | 7.6" | 9 | 6 | 30° – 44° |
| March | 53° | 28° | 4.1" | 6.4" | 8 | 5 | 33° – 47° |
| April | 59° | 31° | 2.2" | 1.8" | 6 | 1 | 39° – 49° |
| May | 68° | 38° | 1.5" | 0.2" | 6 | 0 | 44° – 60° |
| June | 78° | 43° | 0.6" | 0.0" | 3 | 0 | 56° – 66° |
| July | 87° | 48° | 0.2" | 0.0" | 1 | 0 | 63° – 72° |
| August | 86° | 46° | 0.2" | 0.0" | 1 | 0 | 63° – 70° |
| September | 80° | 41° | 0.4" | 0.1" | 2 | 0 | 56° – 64° |
| October | 67° | 33° | 1.6" | 0.4" | 4 | 0 | 46° – 54° |
| November | 53° | 27° | 2.9" | 2.4" | 6 | 1 | 31° – 45° |
| December | 43° | 23° | 5.3" | 7.2" | 8 | 6 | 28° – 37° |
| Year | 64° | 34° | 28.6" | 37.8" | 62 | 29 |
How much a month can swing
A normal is an average. May swings the most: from 1991 to 2020 its average ranged from 44° to 60°. August is the most reliable, staying within 7°.
Where Blairsden’s 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 Blairsden’s center.
- Snow: Portola, CA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Portola, CA, 8 miles from the town’s center, 350 ft higher; the nearest station that passes our checks for distance, height and agreement with the grid.
- 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 Blairsden’s climate
What is the weather like in Blairsden?
A typical July afternoon reaches 87°, a January night drops to 23°, and about 38 inches of snow falls in a normal winter. Milder January nights than 56% of U.S. towns; hotter July afternoons than 60% of U.S. towns.
How cold does it get in Blairsden in winter?
December nights average 23°. 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 28°.
How much snow does Blairsden 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 Blairsden?
July, with a typical high of 87° and a low of 48°. About 22 days a year reach 90° (Portola, CA).
When is the first and last frost in Blairsden?
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 Blairsden in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 1°.
What is the best time of year to visit Blairsden?
By one simple rule (highs of 62–84° and lows of 40° or more), June and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Blairsden getting warmer?
Yes: 1991–2020 averaged 1.3° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 55% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Blairsden.
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.