Susanville weather in March

In March, Susanville sees average daytime highs of 46°F and overnight lows near 28°F, with 3.2 in of precipitation across 10.5 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 43°F in the first days to 49°F by the end. The sky is clear or mostly clear about 27% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of March to 12 h 24 min by month's end. Set against the rest of the year, March is Susanville's 9th-clearest and 4th-windiest month. For the whole year in context, see Susanville's year-round climate.

Daytime high
46°
9th warmest
Overnight low
28°
4th coldest
Precipitation
3.2 in
10.5 wet days
Daylight
11 h 42 min
6:22 AM – 6:02 PM
Cloud cover
61%
9th clearest
Wind
5 mph
4th windiest
Solar energy
4.93 kWh/m²
Travel score
1.3
out of 10

Susanville is city in and county seat of Lassen County, California, United States.

Density
733/km²
people per km²
Founded
1900

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 43°F in the first days to 49°F by the end.

A typical March day in Susanville reaches about 46°F in the afternoon and slips back to 28°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 36°F and 58°F. Set against its neighbours, March runs about 5°F warmer than February and about 7°F cooler than April.

20°40°60°151015202531
Avg high (°F)Avg low (°F)
14325
24325
34326
44426
54426
64426
74426
84526
94527
104527
114627
124627
134627
144627
154728
164728
174728
184728
194728
204728
214728
224828
234828
244829
254829
264829
274829
284929
294929
304929
314929

How March really feels in Susanville

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 31 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
31
wind chill below the day's low

The story in March is cold — wind chill drags the overnight "feels like" below the raw low.

Susanville weather by month

How March compares with the rest of the year at a glance. March is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan38° / 22°3.59.69.19.40.0
Feb41° / 24°3.39.69.110.40.1
Mar46° / 28°3.210.59.211.71.3
Apr53° / 32°2.09.46133.2
May64° / 40°1.98.51.814.26.0
Jun75° / 48°0.94.80.314.88.0
Jul85° / 55°0.42.7014.66.9
Aug84° / 54°0.42.6013.67.3
Sep75° / 48°0.630.112.38.5
Oct62° / 39°1.14.51.210.96.4
Nov47° / 29°2.27.55.59.81.6
Dec37° / 22°3.810.59.69.20.0

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54159
64159
74258
84258
94357
104357
114357
124357
134357
144258
154258
164159
174159
184060
194060
204159
214060
224060
234060
244060
254159
264159
274159
284159
294159
304258
314258

Chance of precipitation in March

Any precipitationSnow

Susanville gets around 3.2 in of rain and snow over 10.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 33% and peaks near 37% on the wettest days, and about 9 days bring snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
13734
23734
33633
43633
53632
63532
73531
83430
93430
103329
113329
123228
133228
143228
153228
163228
173228
183228
193329
203329
213329
223329
233329
243328
253328
263328
273328
283228
293227
303227
313227

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in March

Winds average 5 mph in March.

Across March, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 hours at the start of March to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over March. Sunrise moves from 6:46 AM to 5:57 AM, and sunset from 5:46 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:465:46
211.06:455:47
311.16:435:48
411.16:415:49
511.26:405:50
611.26:385:51
711.36:375:52
811.36:355:54
911.46:345:55
1011.46:325:56
1111.46:305:57
1211.56:295:58
1311.56:275:59
1411.66:266:00
1511.66:246:01
1611.76:226:02
1711.76:216:03
1811.86:196:04
1911.86:176:06
2011.96:166:07
2111.96:146:08
2211.96:126:09
2312.06:106:10
2412.06:096:11
2512.16:076:12
2612.16:056:13
2712.26:046:14
2812.26:026:15
2912.36:006:16
3012.35:596:17
3112.45:576:18

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.93 kWh/m².

For context, solar energy here swings from a low near 2.08 kWh/m² to a high of 8.22 kWh/m² in July across the year — March's 4.93 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.3Bright
44.3Bright
54.4Bright
64.4Bright
74.5Bright
84.5Bright
94.6Bright
104.6Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.5Bright
285.5Bright
295.6Bright
305.6Bright
315.7Bright
Planning a trip in March

Hazard calendar for Susanville

In seasonPeak

In March, Susanville sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Susanville's rainy season runs November–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Susanville?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

1.3
Sightseeing
9th-best month of the year
0.0
Beach & pool
9th-best month of the year

March is a weaker month for outdoor sightseeing in Susanville.

What to pack for Susanville in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Susanville sees daytime highs around 46°F and nights near 28°F. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 11 days see rain.

a warm layera heavy coatrain gearsun protection

UV index in Susanville in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Susanville peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 11Dec 13UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Moderate

Air quality in Susanville in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Susanville is worst in August — around 148 µg/m³ PM2.5 (unhealthy), about 33.7× the cleanest month (December, 4 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyGoodAug 16136 µg/m³Dec 195 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar8Good
Apr9Good
May8Good
Jun7Good
Jul55Poor
Aug148Unhealthy
Sep45Poor
Oct8Good
Nov6Good
Dec4Good
Location & terrain

Where is Susanville?

Susanville sits at 40.4°N, 120.7°W, 4,186 ft above sea level, in United States. The nearest listed city is Paradise, 68 mi away.

Topography around Susanville

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Susanville.

Within 2 miles, the terrain around Susanville has only modest variations in elevation — a maximum elevation change of 735 ft around an average of 4,308 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,652 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,543 ft.

The land around Susanville is covered by grassland (58%) and trees (22%) within 2 miles, trees (50%) and grassland (45%) within 10 miles, and trees (50%) and grassland (40%) within 50 miles.

2 miles
735 ft
10 miles
3,652 ft
50 miles
8,543 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Paradise 68 mi · Spanish Springs 73 mi · Sun Valley 73 mi · Reno 76 mi · Sparks 77 mi · Chico 79 mi · Oroville 79 mi · Truckee 79 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Susanville (40.4163°, -120.653°, elevation 4,186 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).