Duncan weather in June

In June, Duncan sees average daytime highs of 19°C and overnight lows near 10°C, with 52 mm of rain across 9.3 wet days and about 15.9 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 20% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 h 36 min at the start of June to 15 h 54 min by month's end. Set against the rest of the year, June is Duncan's 4th-clearest and 5th-windiest month. For the whole year in context, see Duncan's year-round climate.

Daytime high
19°
4th warmest
Overnight low
10°
10th coldest
Rainfall
52 mm
9.3 wet days
Daylight
15 h 54 min
4:17 AM – 8:13 PM
Cloud cover
64%
4th clearest
Wind
6 km/h
5th windiest
Solar energy
6.17 kWh/m²
Travel score
6.2
out of 10

Duncan is city in British Columbia, Canada.

Air quality
Good
PM2.5 7.5 µg/m³ · 2019
Density
10,724/km²
people per km²
Founded
1912

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 18°C in the first days to 21°C by the end.

A typical June day in Duncan reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, June runs about 3°C warmer than May and about 4°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
1189
2189
3189
4189
5189
6189
71810
81810
91810
101810
111810
121910
131910
141910
151910
161910
171910
181910
191910
202010
212011
222011
232011
242011
252011
262111
272111
282111
292111
302111

How June really feels in Duncan

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Duncan weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 21317.87.18.50.1
Feb / 13314.46.39.80.7
Mar / 15717.46.611.61.4
Apr12° / 11015.61.713.42.8
May16° / 7011.40.1155.0
Jun19° / 10°529.3015.96.2
Jul23° / 13°275015.57.8
Aug23° / 13°395.1014.27.9
Sep19° / 10°668.7012.46.5
Oct13° / 14013.70.210.53.4
Nov / 21218.13.891.0
Dec / 21017.78.68.10.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 18% of June, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33466
43466
53466
63466
73466
83466
93565
103565
113664
123565
133664
143664
153664
163763
173763
183961
193961
204060
214159
224159
234159
244159
254159
264258
274258
284357
294456
304555

Chance of precipitation in June

Any precipitation

Duncan gets around 52 mm of rain over 9.3 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 31% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
336
436
536
635
735
835
935
1034
1134
1233
1333
1432
1532
1631
1730
1830
1929
2028
2127
2227
2326
2425
2525
2625
2724
2824
2924
3023

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1991
2991
3991
41000
51000
61000
71000
81000
91000
101000
111000
121000
13991
14991
15991
16991
17982
18982
19982
20973
21973
22964
23964
24964
25955
26955
27946
28946
29946
30937

Wind in June

Winds average 6 km/h in June.

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

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 h 36 min at the start of June to 15 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over June. Sunrise moves from 4:23 AM to 4:20 AM, and sunset from 8:01 PM to 8:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.64:238:01
215.74:238:02
315.74:228:03
415.74:218:04
515.74:218:05
615.84:208:06
715.84:208:07
815.84:198:08
915.84:198:08
1015.84:198:09
1115.94:188:10
1215.94:188:11
1315.94:188:11
1415.94:188:12
1515.94:178:12
1615.94:178:13
1715.94:178:13
1815.94:178:14
1915.94:178:14
2016.04:178:14
2116.04:178:15
2216.04:188:15
2316.04:188:15
2416.04:188:15
2516.04:188:15
2615.94:198:16
2715.94:198:16
2815.94:208:16
2915.94:208:16
3015.94:208:15

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.17 kWh/m².

For context, solar energy here swings from a low near 0.83 kWh/m² to a high of 6.62 kWh/m² in July across the year — June's 6.17 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Bright
26.0Bright
36.0Bright
46.0Bright
56.0Bright
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Intense
116.1Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in June

Hazard calendar for Duncan

In seasonPeak

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

Duncan's rainy season runs October–April, 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 Duncan?

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

6.2
Sightseeing
4th-best month of the year
2.8
Beach & pool
4th-best month of the year

June is a reasonable time to visit Duncan for sightseeing.

What to pack for Duncan in June

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

In June, Duncan sees daytime highs around 19°C and nights near 10°C. Pack sun protection. Worth having: rain gear. About 9 days see rain.

sun protectionrain gear

Sea temperature near Duncan in June

The nearest coast averages about 14°C 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 26 km away) is warmest in August at about 16°C and coldest in January near 7°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan7Bracing
Feb7Bracing
Mar8Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul16Cool
Aug16Cool
Sep14Bracing
Oct11Bracing
Nov9Bracing
Dec8Bracing

UV index in Duncan in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Duncan peaks around July 18 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 18UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar4Moderate
Apr5Moderate
May7High
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Duncan?

Duncan sits at 48.8°N, 123.7°W, 14 m above sea level, in Canada. The nearest listed city is North Cowichan, 7.0 km away.

Topography around Duncan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Duncan.

Within 3 km, the terrain around Duncan has only modest variations in elevation — a maximum elevation change of 113 m around an average of 35 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,155 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,571 m.

The land around Duncan is covered by trees (54%) and grassland (21%) within 3 km, trees (73%) within 16 km, and water (48%) and trees (45%) within 80 km.

3 km
113 m
16 km
1,155 m
80 km
1,571 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: North Cowichan 7.0 km · Central Saanich 32 km · Saanich 36 km · Langford 40 km · Carey 41 km · Colwood 42 km · Gordon Head 44 km · Esquimalt 44 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 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 Duncan (48.7829°, -123.7027°, elevation 14 m), 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).