Ukiah weather in June

In June, Ukiah sees average daytime highs of 78°F and overnight lows near 53°F, with 0.6 in of rain across 2.2 wet days and about 14.7 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 75°F in the first days to 82°F by the end. The sky is clear or mostly clear about 73% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 30 min at the start of June to 14 h 42 min by month's end. Set against the rest of the year, June is Ukiah's 4th-clearest and 1st-windiest month. For the whole year in context, see Ukiah's year-round climate.

Daytime high
78°
4th warmest
Overnight low
53°
9th coldest
Rainfall
0.6 in
2.2 wet days
Daylight
14 h 42 min
4:51 AM – 7:35 PM
Cloud cover
25%
4th clearest
Wind
5 mph
1st windiest
Solar energy
7.99 kWh/m²
Travel score
8.6
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 75°F in the first days to 82°F by the end.

A typical June day in Ukiah reaches about 78°F in the afternoon and slips back to 53°F overnight — a 26°F spread between the day's warmth and the night's chill. On most days the high lands between 67°F and 90°F. Set against its neighbours, June runs about 8°F warmer than May and about 7°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17450
27450
37551
47551
57551
67551
77651
87651
97651
107651
117752
127752
137852
147852
157852
167853
177953
187953
198053
208053
218054
228054
238154
248154
258155
268255
278255
288255
298255
308356

How June really feels in Ukiah

Once humidity and wind are folded in, June 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

June 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 June compares with the rest of the year at a glance. June is the 4th-warmest and 9th-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 73% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 10% of June, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27327
37327
47426
57426
67525
77624
87723
97822
107921
118020
128119
138218
148317
158416
168515
178614
188614
198614
208812
218812
228812
238812
248911
259010
269010
279010
28919
29919
30928

Chance of precipitation in June

Any precipitation

Ukiah gets around 0.6 in of rain over 2.2 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 7% and peaks near 12% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
112
212
311
411
510
610
79
89
98
108
117
127
136
146
156
165
175
185
195
205
215
225
235
245
255
265
275
284
294
304

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1946
2946
3946
4946
5946
6946
7946
8946
9946
10946
11946
12946
13946
14946
15937
16937
17928
18928
19919
20919
219010
229010
238911
248911
258812
268812
278812
288713
298713
308713

Wind in June

Winds average 5 mph in June, the windiest month of the year.

Across June, 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.

0246810151015202530
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
274calm
284calm
294calm
304calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 30 min at the start of June to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:54 AM to 4:54 AM, and sunset from 7:27 PM to 7:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:547:27
214.64:547:27
314.64:537:28
414.64:537:29
514.64:537:29
614.64:527:30
714.64:527:31
814.74:527:31
914.74:527:32
1014.74:517:32
1114.74:517:33
1214.74:517:33
1314.74:517:34
1414.74:517:34
1514.74:517:35
1614.74:517:35
1714.74:517:36
1814.74:517:36
1914.84:517:36
2014.84:517:36
2114.84:517:37
2214.84:527:37
2314.84:527:37
2414.84:527:37
2514.84:527:38
2614.84:537:38
2714.74:537:38
2814.74:537:38
2914.74:547:38
3014.74:547:38

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 7.99 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 — June's 7.99 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.7Intense
57.7Intense
67.8Intense
77.8Intense
87.8Intense
97.9Intense
107.9Intense
118.0Intense
128.0Intense
138.0Intense
148.1Intense
158.1Intense
168.1Intense
178.1Intense
188.1Intense
198.2Intense
208.2Intense
218.2Intense
228.2Intense
238.2Intense
248.2Intense
258.2Intense
268.2Intense
278.2Intense
288.2Intense
298.2Intense
308.3Intense
Planning a trip in June

Hazard calendar for Ukiah

In seasonPeak

None of Ukiah's seasonal hazards are active in June. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 June a good time to visit Ukiah?

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

8.6
Sightseeing
1st-best month of the year
8.0
Beach & pool
4th-best month of the year

June is one of the better times to visit Ukiah for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ukiah in June

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

In June, Ukiah sees daytime highs around 78°F and nights near 53°F. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Ukiah in June

The nearest coast averages about 52°F in June — 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 June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). 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 June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June 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
June 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).