Fountain Valley weather in June

In June, Fountain Valley sees average daytime highs of 74°F and overnight lows near 61°F, with 0.1 in of rain across 0.3 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 72°F in the first days to 77°F by the end. The sky is clear or mostly clear about 78% of the time in June, and the air most often feels comfortable.

Daylight stretches from about 14 h 06 min at the start of June to 14 h 12 min by month's end. Set against the rest of the year, June is Fountain Valley's 4th-clearest and 3rd-windiest month. For the whole year in context, see Fountain Valley's year-round climate.

Daytime high
74°
5th warmest
Overnight low
61°
9th coldest
Rainfall
0.1 in
0.3 wet days
Daylight
14 h 12 min
4:45 AM – 6:59 PM
Cloud cover
24%
4th clearest
Wind
6 mph
3rd windiest
Solar energy
7.89 kWh/m²
Travel score
9.1
out of 10

Fountain Valley is city in Orange County, California, United States.

Density
2,422/km²
people per km²
Founded
1957

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 72°F in the first days to 77°F by the end.

A typical June day in Fountain Valley reaches about 74°F in the afternoon and slips back to 61°F overnight — a 13°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 81°F. Set against its neighbours, June runs about 3°F warmer than May and about 5°F cooler than July.

50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
17259
27259
37260
47260
57260
67360
77360
87360
97360
107360
117360
127360
137461
147461
157461
167461
177461
187561
197561
207561
217562
227662
237662
247662
257662
267662
277662
287762
297763
307763

Fountain Valley weather by month

How June compares with the rest of the year at a glance. June is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan64° / 49°2.85.2106.8
Feb65° / 50°3.16.110.76.7
Mar66° / 53°1.85.111.77.0
Apr69° / 55°0.72.612.87.9
May71° / 58°0.31.513.78.3
Jun74° / 61°0.10.314.29.1
Jul79° / 64°0.10.4149.0
Aug81° / 65°0.00.113.38.9
Sep80° / 64°0.10.512.28.8
Oct76° / 60°0.61.911.28.8
Nov70° / 54°0.72.410.38.1
Dec65° / 49°1.94.99.86.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 78% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 9% of June, with mostly cloudy or overcast conditions the remaining 13%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18119
28218
38218
48317
58317
68317
78317
88317
98416
108515
118515
128515
138515
148614
158614
168713
178713
188812
198911
209010
219010
229010
239010
24919
25928
26928
27928
28928
29928
30928

Chance of precipitation in June

Any precipitation

Fountain Valley gets around 0.1 in of rain over 0.3 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
12
21
31
41
51
61
71
81
91
101
111
121
131
141
151
161
171
181
191
201
211
221
230
240
250
261
271
281
291
301

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the comfortable band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1395740
2375940
3356140
4336340
5316450
6306550
7286750
8266860
9256960
10237070
11227170
12207280
13197290
141773100
151673110
161573120
171374130
181273150
191173160
201073170
211071190
22970210
23870220
24768241
25767251
26666271
27565291
28564301
29463321
30461341

Wind in June

Winds average 6 mph in June.

Across June, daily wind ranges from about 5 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 06 min at the start of June to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 4:47 AM to 4:48 AM, and sunset from 6:51 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:476:51
214.14:476:52
314.14:476:53
414.14:466:53
514.14:466:54
614.14:466:54
714.24:466:55
814.24:466:55
914.24:456:56
1014.24:456:56
1114.24:456:57
1214.24:456:57
1314.24:456:58
1414.24:456:58
1514.24:456:58
1614.24:456:59
1714.24:456:59
1814.24:456:59
1914.24:467:00
2014.24:467:00
2114.24:467:00
2214.24:467:01
2314.24:467:01
2414.24:477:01
2514.24:477:01
2614.24:477:01
2714.24:477:01
2814.24:487:01
2914.24:487:02
3014.24:487:02

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 7.89 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.98 kWh/m² to a high of 7.89 kWh/m² in June across the year — June's 7.89 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
67.7Intense
77.7Intense
87.7Intense
97.8Intense
107.8Intense
117.8Intense
127.8Intense
137.8Intense
147.9Intense
157.9Intense
167.9Intense
177.9Intense
188.0Intense
198.0Intense
208.0Intense
218.0Intense
228.0Intense
238.0Intense
248.0Intense
258.1Intense
268.1Intense
278.1Intense
288.0Intense
298.0Intense
308.0Intense
Planning a trip in June

Is June a good time to visit Fountain Valley?

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

9.1
Sightseeing
1st-best month of the year
7.3
Beach & pool
5th-best month of the year

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

What to pack for Fountain Valley in June

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

In June, Fountain Valley sees daytime highs around 74°F and nights near 61°F. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Fountain Valley in June

The nearest coast averages about 65°F in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 69°F and coldest in February near 59°F.

It's comfortable for a long swim from Jul 13 to Sep 28 — about 2.6 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingcomfortable to swim
Sea temperature (°F)Comfort
Jan59Cool
Feb59Cool
Mar59Cool
Apr60Cool
May63Cool
Jun65Cool
Jul68Refreshing
Aug69Refreshing
Sep69Refreshing
Oct67Cool
Nov64Cool
Dec60Cool

UV index in Fountain Valley 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 Fountain Valley peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 17UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May8Very high
Jun10Extreme
Jul10Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Fountain Valley 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 Fountain Valley is worst in September — around 49 µg/m³ PM2.5 (poor), about 4.0× the cleanest month (May, 12 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateSep 1447 µg/m³May 1713 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb19Moderate
Mar19Moderate
Apr17Moderate
May12Moderate
Jun17Moderate
Jul19Moderate
Aug32Moderate
Sep49Poor
Oct21Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is Fountain Valley?

Fountain Valley sits at 33.7°N, 118.0°W, 33 ft above sea level, in United States. The nearest listed city is Huntington Beach, 4.3 mi away.

Topography around Fountain Valley

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

Within 2 miles, the terrain around Fountain Valley has only modest variations in elevation — a maximum elevation change of 69 ft around an average of 36 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 751 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,967 ft.

The land around Fountain Valley is covered by artificial surfaces (85%) within 2 miles, artificial surfaces (62%) and water (26%) within 10 miles, and water (40%) and artificial surfaces (25%) within 50 miles.

2 miles
69 ft
10 miles
751 ft
50 miles
9,967 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
June weather nearby: Huntington Beach 4.3 mi · Garden Grove 4.3 mi · Westminster 4.3 mi · Costa Mesa 5.0 mi · Santa Ana 5.6 mi · Newport Beach 6.2 mi · Stanton 6.8 mi · Tustin Legacy 7.5 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 Fountain Valley (33.7092°, -117.9537°, elevation 33 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).