Whitby weather in June

In June, Whitby sees average daytime highs of 23°C and overnight lows near 13°C, with 93 mm of rain across 11.4 wet days and about 15.2 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 25°C by the end. The sky is clear or mostly clear about 28% of the time in June, and the air most often feels dry.

Daylight stretches from about 15 hours at the start of June to 15 h 18 min by month's end. Set against the rest of the year, June is Whitby's 4th-clearest and 10th-windiest month. For the whole year in context, see Whitby's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
13°
10th coldest
Rainfall
93 mm
11.4 wet days
Daylight
15 h 18 min
4:38 AM – 7:54 PM
Cloud cover
60%
4th clearest
Wind
11 km/h
10th windiest
Solar energy
6.39 kWh/m²
Travel score
6.5
out of 10

Whitby is town in Durham Region, Ontario, Canada.

Density
944/km²
people per km²
Founded
1855

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 21°C in the first days to 25°C by the end.

A typical June day in Whitby reaches about 23°C in the afternoon and slips back to 13°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 29°C. Set against its neighbours, June runs about 5°C warmer than May and about 3°C cooler than July.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12111
22111
32111
42112
52212
62212
72212
82212
92212
102213
112313
122313
132313
142313
152313
162313
172414
182414
192414
202414
212414
222414
232414
242515
252515
262515
272515
282515
292515
302515

How June really feels in Whitby

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.

Whitby weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -10°6410.68.89.10.0
Feb-1° / -10°518.26.910.20.0
Mar / -5°6110.35.711.60.2
Apr11° / 8411.52.113.22.7
May18° / 8111.2014.55.5
Jun23° / 13°9311.4015.26.5
Jul26° / 16°8811.2014.96.6
Aug25° / 15°8510.2013.86.9
Sep21° / 11°809.4012.36.5
Oct13° / 8311.40.310.83.7
Nov / -1°7310.639.50.7
Dec / -6°6510.67.38.80.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 20% of June, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34357
44456
54456
64456
74456
84456
94555
104654
114654
124753
134753
144753
154852
164852
174951
184852
194951
205050
214951
224951
235050
245149
255149
265149
275149
285248
295347
305248

Chance of precipitation in June

Any precipitation

Whitby gets around 93 mm of rain over 11.4 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
437
537
637
737
836
936
1036
1136
1237
1337
1437
1537
1638
1738
1838
1939
2039
2139
2239
2339
2439
2539
2638
2738
2838
2937
3037

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
174141020
272151120
370161130
470161130
569171130
667181230
766191230
865201230
963201331
1061211431
1159221441
1257231541
1356231641
1454241741
1552251841
1650251951
1749261951
1848262051
1947262161
2045272160
2144272260
2243272370
2342272370
2441272381
2541272391
2640272391
27392723101
28392723111
29382623111
30382623121

Wind in June

Winds average 11 km/h in June.

Across June, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 15 hours at the start of June to 15 h 18 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 4:43 AM to 4:41 AM, and sunset from 7:44 PM to 7:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:437:44
215.04:427:45
315.14:417:46
415.14:417:46
515.14:417:47
615.14:407:48
715.14:407:49
815.24:397:49
915.24:397:50
1015.24:397:51
1115.24:397:51
1215.24:387:52
1315.24:387:52
1415.24:387:53
1515.34:387:53
1615.34:387:54
1715.34:387:54
1815.34:387:55
1915.34:387:55
2015.34:387:55
2115.34:387:56
2215.34:397:56
2315.34:397:56
2415.34:397:56
2515.34:397:56
2615.34:407:56
2715.34:407:56
2815.34:407:57
2915.34:417:57
3015.34:417:56

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.39 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 6.39 kWh/m² in June across the year — June's 6.39 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in June

Is June a good time to visit Whitby?

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

6.5
Sightseeing
3rd-best month of the year
5.1
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Whitby for sightseeing.

What to pack for Whitby in June

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

In June, Whitby sees daytime highs around 23°C and nights near 13°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Whitby 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 offshore is warmest in August at about 21°C and coldest in March near 3°C.

It's comfortable for a long swim from Jul 27 to Sep 2 — about 1.2 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May7Bracing
Jun14Bracing
Jul19Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov8Bracing
Dec5Bracing

UV index in Whitby in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Whitby peaks around June 20 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 21 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 highHighModerateLowJun 20UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul7Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Whitby 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 Whitby is worst in June — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1616 µg/m³Dec 108 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb12Good
Mar14Moderate
Apr14Moderate
May16Moderate
Jun16Moderate
Jul16Moderate
Aug14Moderate
Sep12Moderate
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Whitby?

Whitby sits at 43.9°N, 78.9°W, 87 m above sea level, in Canada. The nearest listed city is Oshawa, 7.0 km away.

Topography around Whitby

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

Within 3 km, the terrain around Whitby has only modest variations in elevation — a maximum elevation change of 73 m around an average of 100 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 240 m; within 80 km, significant variations in elevation — a maximum elevation change of 444 m.

The land around Whitby is covered by artificial surfaces (46%) and trees (36%) within 3 km, water (32%) and trees (23%) within 16 km, and water (41%) and trees (24%) within 80 km.

3 km
73 m
16 km
240 m
80 km
444 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
June weather nearby: Oshawa 7.0 km · Brooklin 9.0 km · Ajax 9.0 km · Pickering 16 km · Bowmanville 20 km · Rouge 21 km · West Hill 24 km · Morningside 24 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 Whitby (43.8834°, -78.9329°, elevation 87 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. 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).