Glendora weather in June

In June, Glendora sees average daytime highs of 80°F and overnight lows near 58°F, with 0.2 in of rain across 0.9 wet days and about 14.2 hours of daylight. It is the 4th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 76°F in the first days to 84°F by the end. The sky is clear or mostly clear about 84% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of June to 14 h 18 min by month's end. Set against the rest of the year, June is Glendora's 3rd-clearest and 8th-windiest month. For the whole year in context, see Glendora's year-round climate.

Daytime high
80°
4th warmest
Overnight low
58°
9th coldest
Rainfall
0.2 in
0.9 wet days
Daylight
14 h 18 min
4:44 AM – 7:00 PM
Cloud cover
16%
3rd clearest
Wind
4 mph
8th windiest
Solar energy
8.23 kWh/m²
Travel score
8.6
out of 10

Glendora is city in the San Gabriel Valley in Los Angeles County, California, United States.

Density
1,027/km²
people per km²
Founded
1887

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 76°F in the first days to 84°F by the end.

A typical June day in Glendora reaches about 80°F in the afternoon and slips back to 58°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 71°F and 88°F. Set against its neighbours, June runs about 8°F warmer than May and about 6°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17655
27655
37655
47755
57755
67756
77856
87856
97856
107856
117957
127957
137957
148057
158058
168058
178058
188158
198159
208159
218259
228259
238260
248360
258360
268360
278361
288461
298461
308461

Glendora weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan58° / 41°3.661.6104.7
Feb58° / 42°3.972.110.74.7
Mar62° / 44°2.46.91.211.75.9
Apr67° / 47°1.14.30.612.87.3
May73° / 52°0.53.3013.88.3
Jun80° / 58°0.20.9014.28.6
Jul86° / 63°0.42.60146.6
Aug87° / 64°0.32.3013.36.2
Sep83° / 61°0.32012.27.8
Oct74° / 54°0.82.7011.18.7
Nov65° / 47°0.930.410.27.2
Dec57° / 41°2.45.30.99.84.7

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 7% of June, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
18416
28416
38515
48515
58713
68713
78713
88812
98812
108812
119010
129010
139010
14919
15919
16928
17928
18937
19937
20937
21937
22937
23937
24937
25937
26937
27937
28937
29937
30937

Chance of precipitation in June

Any precipitation

Glendora gets around 0.2 in of rain over 0.9 wet days in June, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202530
Rain chance (%)
15
24
34
44
54
63
73
83
93
103
113
123
133
143
153
163
173
183
193
203
213
223
233
243
253
264
274
284
295
305

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19550
29550
39550
49460
59460
69460
79460
89460
99460
109460
119460
129460
139460
149550
159550
169550
179550
189550
199550
209460
219460
229370
239280
249280
259091
2689101
2789101
2887112
2986122
3084133

Wind in June

Winds average 4 mph in June.

Across June, daily wind ranges from about 3 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 06 min at the start of June to 14 h 18 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 4:46 AM to 4:47 AM, and sunset from 6:52 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:466:52
214.14:466:53
314.14:456:53
414.14:456:54
514.24:456:54
614.24:456:55
714.24:446:56
814.24:446:56
914.24:446:57
1014.24:446:57
1114.24:446:58
1214.24:446:58
1314.24:446:58
1414.34:446:59
1514.34:446:59
1614.34:447:00
1714.34:447:00
1814.34:447:00
1914.34:447:01
2014.34:447:01
2114.34:447:01
2214.34:457:01
2314.34:457:02
2414.34:457:02
2514.34:457:02
2614.34:467:02
2714.34:467:02
2814.34:467:02
2914.34:477:02
3014.34:477:02

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 8.23 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 8.23 kWh/m² in June across the year — June's 8.23 kWh/m² sits near the top of that range.

02468151015202530
Solar energy (kWh/m²)Level
17.9Intense
28.0Intense
38.0Intense
48.0Intense
58.0Intense
68.1Intense
78.1Intense
88.1Intense
98.1Intense
108.1Intense
118.2Intense
128.2Intense
138.2Intense
148.2Intense
158.2Intense
168.3Intense
178.3Intense
188.3Intense
198.3Intense
208.3Intense
218.3Intense
228.3Intense
238.3Intense
248.3Intense
258.3Intense
268.3Intense
278.3Intense
288.3Intense
298.3Intense
308.3Intense
Planning a trip in June

Is June a good time to visit Glendora?

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

8.6
Sightseeing
2nd-best month of the year
8.6
Beach & pool
4th-best month of the year

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

What to pack for Glendora in June

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

In June, Glendora sees daytime highs around 80°F and nights near 58°F. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Glendora 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 at the nearest coast (about 34 mi away) is warmest in August at about 68°F and coldest in February near 59°F.

It's comfortable for a long swim from Aug 4 to Sep 13 — about 1.3 months when the water holds above 68°F.

60°65°70°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°F)Comfort
Jan59Bracing
Feb59Bracing
Mar59Bracing
Apr59Cool
May62Cool
Jun65Cool
Jul67Cool
Aug68Refreshing
Sep68Refreshing
Oct66Cool
Nov63Cool
Dec60Cool

UV index in Glendora in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Glendora peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 11UV 11Dec 16UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Glendora 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 Glendora is worst in September — around 39 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (May, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateSep 1537 µg/m³May 1612 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb15Moderate
Mar16Moderate
Apr14Moderate
May12Moderate
Jun15Moderate
Jul18Moderate
Aug22Moderate
Sep39Poor
Oct15Moderate
Nov17Moderate
Dec14Moderate
Location & terrain

Where is Glendora?

Glendora sits at 34.1°N, 117.9°W, 774 ft above sea level, in United States. The nearest listed city is Azusa, 2.5 mi away.

Topography around Glendora

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

Within 2 miles, the terrain around Glendora has large variations in elevation — a maximum elevation change of 2,031 ft around an average of 938 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 5,164 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,013 ft.

The land around Glendora is covered by artificial surfaces (61%) and trees (20%) within 2 miles, artificial surfaces (41%), shrubs (28%) and trees (23%) within 10 miles, and artificial surfaces (26%) and grassland (20%) within 50 miles.

2 miles
2,031 ft
10 miles
5,164 ft
50 miles
10,013 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Azusa 2.5 mi · Covina 3.7 mi · San Dimas 3.7 mi · La Verne 6.2 mi · West Covina 6.2 mi · Duarte 6.2 mi · Baldwin Park 6.2 mi · Monrovia 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 Glendora (34.1361°, -117.8653°, elevation 774 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).