Lava Beds Nat Mon, California climate: Climate normals at a NOAA weather station
Lava Beds Nat Mon's normal year runs from 22°F December nights to 86°F July afternoons, with 14.2 inches of precipitation and 43 inches of snow a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 9.3°C, December lows of −5°C, July highs of 30°C, 361 mm of precipitation a year.
- NOAA stationLava Beds Nat Mon
- Station IDUSC00044838
- Location41.70°N 121.50°W
- Elevation4,770 ft (1,454 m)
On October 23, the normal high in Lava Beds Nat Mon is 62°F and the normal low 34°F, and the chance of measurable rain or snow is 20%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Lava Beds Nat Mon.
- Jan 43° 23°
- Feb 46° 25°
- Mar 52° 28°
- Apr 57° 31°
- May 66° 38°
- Jun 76° 44°
- Jul 86° 53°
- Aug 86° 51°
- Sep 78° 45°
- Oct 66° 36°
- Nov 50° 27°
- Dec 41° 22°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like at Lava Beds Nat Mon each month?
July is the warmest month, with normal highs of 86°F; December the coldest, with normal lows of 22°F. The most precipitation falls in February (2.10 in), the least in August (0.34 in).
| Month | High | Low | Mean | Precip. | Snow | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | 43°F | 23°F | 32.8°F | 1.63 | 8.7 | 11 | <1 | 28 | 9 h 30 min |
| February | 46°F | 25°F | 35.2°F | 2.10 | 9.3 | 9 | <1 | 24 | 10 h 30 min |
| March | 52°F | 28°F | 39.7°F | 1.85 | 6.9 | 11 | <1 | 23 | 11 h 50 min |
| April | 57°F | 31°F | 43.9°F | 1.30 | 4.0 | 10 | <1 | 17 | 13 h 20 min |
| May | 66°F | 38°F | 52.4°F | 1.37 | 1.0 | 7 | <1 | 8 | 14 h 30 min |
| June | 76°F | 44°F | 59.8°F | 0.99 | 0.1 | 6 | 2 | 2 | 15 h 10 min |
| July | 86°F | 53°F | 69.2°F | 0.36 | 0.0 | 3 | 11 | <1 | 15 h |
| August | 86°F | 51°F | 68.3°F | 0.34 | 0.0 | 2 | 9 | <1 | 13 h 50 min |
| September | 78°F | 45°F | 61.5°F | 0.44 | 0.0 | 3 | 2 | 2 | 12 h 30 min |
| October | 66°F | 36°F | 50.9°F | 0.85 | 0.3 | 5 | <1 | 10 | 11 h 10 min |
| November | 50°F | 27°F | 38.8°F | 1.46 | 5.0 | 9 | <1 | 22 | 9 h 50 min |
| December | 41°F | 22°F | 31.8°F | 1.53 | 7.9 | 8 | <1 | 28 | 9 h 10 min |
| Year (annual) | 62°F | 35°F | 48.7°F | 14.22 | 43.2 | 85 | 24 | 164 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. | Snow |
|---|---|---|---|---|---|
| January | 6°C | −5°C | 0.4°C | 41 mm | 22 cm |
| February | 8°C | −4°C | 1.8°C | 53 mm | 24 cm |
| March | 11°C | −2°C | 4.3°C | 47 mm | 18 cm |
| April | 14°C | 0°C | 6.6°C | 33 mm | 10 cm |
| May | 19°C | 3°C | 11.3°C | 35 mm | 3 cm |
| June | 24°C | 7°C | 15.4°C | 25 mm | 0 cm |
| July | 30°C | 11°C | 20.7°C | 9 mm | 0 cm |
| August | 30°C | 11°C | 20.2°C | 9 mm | 0 cm |
| September | 26°C | 7°C | 16.4°C | 11 mm | 0 cm |
| October | 19°C | 2°C | 10.5°C | 22 mm | 1 cm |
| November | 10°C | −3°C | 3.8°C | 37 mm | 13 cm |
| December | 5°C | −5°C | −0.1°C | 39 mm | 20 cm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00044838; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
Which months are mildest at Lava Beds Nat Mon?
Normal highs sit between 65°F and 85°F in May, June, September and October. Of those, September has the fewest days with rain (3).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00044838.
When is the last frost at Lava Beds Nat Mon?
In Lava Beds Nat Mon, the last spring frost (32°F) comes after June 6 in half of years and after June 22 in one year in ten; the first autumn frost comes before September 28 in half of years and before September 8 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- June 61 year in 10 after June 22; 9 in 10 after May 16
- First autumn frost, half of years before
- September 281 year in 10 before September 8; 9 in 10 before October 17
NOAA puts the median frost-free season at 113 days, and the season without a hard freeze (28°F) at 149 days.
A hard freeze (28°F) comes after May 16 in half of springs and before October 15 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Lava Beds Nat Mon in zone 6b in ZIP code 96134, the nearest ZIP area.
Frost dates for every NOAA station in California · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00044838; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get at Lava Beds Nat Mon?
In a normal year in Lava Beds Nat Mon, 24 days a year reach 90°F, 164 nights fall to 32°F or colder and 85 days bring measurable precipitation.
- Days at 90°F or more
- 24a normal year
- Days at 100°F or more
- fewer than 1a normal year
- Nights at 32°F or colder
- 164a normal year
- Days that stay below freezing
- 8high of 32°F or less
- Days with 0.01 inch of precipitation
- 85a normal year
- Days with 1 inch of snow or more
- 14a normal year
Source: NOAA NCEI 1991-2020 annual normals, station USC00044838.
How sunny is it at Lava Beds Nat Mon?
Over a year 83% of the sunlight that would reach the ground under clear skies gets through the clouds at Lava Beds Nat Mon, 4.9 kWh per square metre a day. July is the sunniest month (95%) and December the cloudiest (65%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 69% | 2.0 |
| February | 72% | 3.0 |
| March | 71% | 4.1 |
| April | 76% | 5.6 |
| May | 81% | 6.9 |
| June | 89% | 8.0 |
| July | 95% | 8.2 |
| August | 94% | 7.2 |
| September | 92% | 5.7 |
| October | 85% | 3.9 |
| November | 72% | 2.3 |
| December | 65% | 1.6 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How many heating and cooling degree days does Lava Beds Nat Mon record?
A normal year at Lava Beds Nat Mon brings 6,328 heating degree days, 18% more than the median U.S. place (5,373), and 402 cooling degree days, 56% fewer than the median (908). Eight months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 2,151 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 998 | 0 |
| February | 836 | 0 |
| March | 784 | 0 |
| April | 633 | 0 |
| May | 401 | 9 |
| June | 192 | 34 |
| July | 35 | 166 |
| August | 37 | 140 |
| September | 155 | 48 |
| October | 443 | 4 |
| November | 784 | 0 |
| December | 1,031 | 0 |
| Year (annual) | 6,328 | 402 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00044838. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
How does Lava Beds Nat Mon's climate compare?
Lava Beds Nat Mon is warmer than 14 of the 219 places with their own NOAA record in California, and wetter than 96. Across the 7,247 U.S. stations with normals, its annual mean of 48.7°F is warmer than 35%.
In the Köppen classification computed from these normals, Lava Beds Nat Mon is Dsb: continental, dry-summer, warm summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Which places near Lava Beds Nat Mon share this climate record?
Tennant has no NOAA station with 1991-2020 normals of its own, and this station is the nearest full record. A place's own climate can differ from these figures, by several degrees where it sits much higher or lower than the station, nearer the coast, or inside a large city's heat; for the larger places the next nearest records are named with their yearly mean, so the spread around them is visible, and places of 50,000 or more have their own page with NOAA's gridded normals.
- Tennant, CA69 people · 23 mi W
Source: Census Bureau 2024 Gazetteer (place centers) and Vintage 2024 population estimates. Distance and direction from the station to each place's center.
Questions about Lava Beds Nat Mon's climate
What is the coldest month at Lava Beds Nat Mon?
December, with a normal high of 41°F and a normal low of 22°F. The warmest is July (86°F by day, 53°F at night).
Does it snow at Lava Beds Nat Mon?
Yes: 43 inches in a normal year, falling on 31 days with 0.1 inch or more, the most in February (9.3 inches).
What is the rainiest month at Lava Beds Nat Mon?
February, with 2.10 in of precipitation in a normal year; the driest is August with 0.34 in.
What plant hardiness zone is Lava Beds Nat Mon in?
The USDA's 2023 map puts Lava Beds Nat Mon in zone 6b in ZIP code 96134, the nearest ZIP area.
How late can frost come at Lava Beds Nat Mon?
In half of years the last 32°F night comes after June 6; in one year in ten it comes after June 22. Waiting until June 22 leaves about a one-in-ten chance of a later frost.
Nearby and next
- California climateThe statewide normals and every place in the state
- Tulelake, CA18 miles from this station, 47.4°F a year
- Klamath Falls, OR33 miles from this station, 47.1°F a year
- Keno, OR34 miles from this station, 47.5°F a year
- Canby, CA37 miles from this station, 47.7°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made