Ukiah weather in March

In March, Ukiah sees average daytime highs of 59°F and overnight lows near 40°F, with 6.0 in of precipitation across 11.8 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 57°F in the first days to 60°F by the end. The sky is clear or mostly clear about 32% 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 18 min by month's end. Set against the rest of the year, March is Ukiah's 9th-clearest and 4th-windiest month. For the whole year in context, see Ukiah's year-round climate.

Daytime high
59°
9th warmest
Overnight low
40°
4th coldest
Precipitation
6.0 in
11.8 wet days
Daylight
11 h 42 min
6:32 AM – 6:13 PM
Cloud cover
60%
9th clearest
Wind
4 mph
4th windiest
Solar energy
4.33 kWh/m²
Travel score
4.5
out of 10

Ukiah is city in and county seat of Mendocino County, California, United States.

Density
1,301/km²
people per km²
Founded
1876

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 57°F in the first days to 60°F by the end.

A typical March day in Ukiah reaches about 59°F in the afternoon and slips back to 40°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 48°F and 71°F. Set against its neighbours, March runs about 3°F warmer than February and about 4°F cooler than April.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
15738
25738
35738
45738
55838
65839
75839
85839
95939
105939
115940
125940
135940
146040
156040
166040
176040
186040
196040
206040
216040
226040
236040
246040
256040
266040
276040
286040
296040
306040
316040

How March really feels in Ukiah

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 0 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
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ukiah 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
Jan54° / 37°7.212.41.99.63.0
Feb56° / 38°6.710.82.310.53.6
Mar59° / 40°6.011.8211.74.5
Apr63° / 42°3.18.30.5135.9
May70° / 47°1.95.4014.17.5
Jun78° / 53°0.62.2014.78.6
Jul85° / 57°0.00.3014.57.1
Aug85° / 57°0.10.4013.57.2
Sep82° / 54°0.31.4012.38.3
Oct73° / 47°2.24.60118.1
Nov60° / 40°4.38.50.39.95.0
Dec53° / 36°7.812.21.39.32.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24456
34456
44456
54555
64456
74456
84555
94555
104456
114555
124555
134456
144357
154357
164357
174258
184258
194357
204456
214456
224456
234555
244555
254555
264654
274753
284753
294852
304951
314951

Chance of precipitation in March

Any precipitationSnow

Ukiah gets around 6.0 in of rain and snow over 11.8 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 37% and peaks near 41% on the wettest days, and about 2 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1418
2418
3408
4407
5407
6397
7397
8386
9376
10376
11366
12366
13366
14366
15366
16376
17376
18376
19386
20386
21386
22376
23376
24376
25366
26366
27356
28356
29346
30335
31335

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 4 mph in March.

Across March, daily wind ranges from about 4 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
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 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over March. Sunrise moves from 6:55 AM to 6:08 AM, and sunset from 5:57 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.06:555:57
211.16:535:58
311.16:525:59
411.26:516:00
511.26:496:02
611.36:486:03
711.36:466:04
811.36:456:05
911.46:436:06
1011.46:416:07
1111.56:406:08
1211.56:386:09
1311.66:376:10
1411.66:356:11
1511.66:346:12
1611.76:326:13
1711.76:306:14
1811.86:296:15
1911.86:276:16
2011.96:266:17
2111.96:246:18
2211.96:226:19
2312.06:216:20
2412.06:196:21
2512.16:176:22
2612.16:166:23
2712.26:146:24
2812.26:136:25
2912.36:116:26
3012.36:096:27
3112.36:086:28

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.33 kWh/m².

For context, solar energy here swings from a low near 1.92 kWh/m² to a high of 8.22 kWh/m² in July across the year — March's 4.33 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.7Moderate
43.8Moderate
53.8Moderate
63.9Moderate
73.9Moderate
84.0Moderate
94.0Bright
104.1Bright
114.1Bright
124.2Bright
134.2Bright
144.3Bright
154.3Bright
164.3Bright
174.4Bright
184.4Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.7Bright
244.7Bright
254.8Bright
264.8Bright
274.9Bright
284.9Bright
295.0Bright
305.1Bright
315.1Bright
Planning a trip in March

Hazard calendar for Ukiah

In seasonPeak

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

Ukiah's rainy season runs November–March, 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 Ukiah?

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

4.5
Sightseeing
9th-best month of the year
0.2
Beach & pool
9th-best month of the year

March is a reasonable time to visit Ukiah for sightseeing.

What to pack for Ukiah in March

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

In March, Ukiah sees daytime highs around 59°F and nights near 40°F. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Ukiah in March

The nearest coast averages about 53°F in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 29 mi away) is warmest in September at about 55°F and coldest in April near 52°F.

The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.

50°52°54°56°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°F)Comfort
Jan53Bracing
Feb53Bracing
Mar53Bracing
Apr52Bracing
May52Bracing
Jun52Bracing
Jul53Bracing
Aug54Bracing
Sep55Bracing
Oct55Bracing
Nov55Bracing
Dec54Bracing

UV index in Ukiah 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 Ukiah peaks around July 10 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateLowJul 10UV 10Dec 15UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar5Moderate
Apr6High
May9Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep6High
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Ukiah 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 Ukiah is worst in September — around 31 µg/m³ PM2.5 (moderate), about 5.8× the cleanest month (June, 5 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1031 µg/m³Jun 106 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar9Good
Apr8Good
May6Good
Jun5Good
Jul14Moderate
Aug29Moderate
Sep31Moderate
Oct14Moderate
Nov8Good
Dec6Good
Location & terrain

Where is Ukiah?

Ukiah sits at 39.2°N, 123.2°W, 633 ft above sea level, in United States. The nearest listed city is Clearlake, 34 mi away.

Topography around Ukiah

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

Within 2 miles, the terrain around Ukiah has significant variations in elevation — a maximum elevation change of 1,765 ft around an average of 827 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 3,415 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 7,362 ft.

The land around Ukiah is covered by trees (51%), artificial surfaces (25%) and grassland (20%) within 2 miles, trees (72%) and grassland (24%) within 10 miles, and trees (59%) and water (21%) within 50 miles.

2 miles
1,765 ft
10 miles
3,415 ft
50 miles
7,362 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Clearlake 34 mi · Windsor 47 mi · Santa Rosa 56 mi · Rohnert Park 62 mi · Agua Caliente 69 mi · Petaluma 70 mi · Napa 77 mi · Novato 80 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 Ukiah (39.1502°, -123.2078°, elevation 633 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).