Mount Olive-Silverstone-Jamestown weather in June

In June, Mount Olive-Silverstone-Jamestown sees average daytime highs of 23°C and overnight lows near 13°C, with 77 mm of rain across 10.6 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 29% 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 12 min by month's end. Set against the rest of the year, June is Mount Olive-Silverstone-Jamestown's 4th-clearest and 10th-windiest month. For the whole year in context, see Mount Olive-Silverstone-Jamestown's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
13°
10th coldest
Rainfall
77 mm
10.6 wet days
Daylight
15 h 12 min
4:41 AM – 7:56 PM
Cloud cover
59%
4th clearest
Wind
11 km/h
10th windiest
Solar energy
6.28 kWh/m²
Travel score
6.7
out of 10

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 Mount Olive-Silverstone-Jamestown 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 6°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
52112
62212
72212
82212
92212
102213
112213
122313
132313
142313
152313
162314
172414
182414
192414
202414
212414
222415
232415
242515
252515
262515
272515
282515
292515
302515

How June really feels in Mount Olive-Silverstone-Jamestown

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.

Mount Olive-Silverstone-Jamestown 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-1° / -8°6010.27.29.10.0
Feb-0° / -8°497.86.110.20.0
Mar / -4°579.54.511.60.3
Apr11° / 7710.71.813.22.7
May18° / 7210.1014.55.5
Jun23° / 13°7710.6015.26.7
Jul26° / 16°719.7014.96.8
Aug25° / 16°668.8013.87.1
Sep21° / 12°698.7012.36.7
Oct14° / 7510.50.110.84.1
Nov / 67102.59.51.0
Dec / -4°61105.88.80.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54555
64654
74654
84654
94654
104654
114654
124753
134852
144951
154951
165050
175050
184951
195050
205050
215149
225149
235248
245248
255347
265446
275446
285545
295644
305644

Chance of precipitation in June

Any precipitation

Mount Olive-Silverstone-Jamestown gets around 77 mm of rain over 10.6 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 34% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
132
232
332
432
533
633
733
833
933
1033
1133
1233
1333
1434
1534
1635
1735
1836
1936
2037
2137
2237
2337
2436
2536
2636
2735
2835
2934
3034

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 8% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
171161030
268171140
368171140
466181240
565191240
664191340
762201341
860211441
959211541
1057221641
1156221741
1253231851
1352231951
1451241951
1549242061
1647252161
1746252271
1844252271
1943262381
2041262391
21402624101
22392624101
23382625111
24372625111
25362625121
26362525131
27352525131
28352525141
29342525142
30342525152

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
1012calm
1112calm
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 12 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 4:44 AM, and sunset from 7:46 PM to 7:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:467:46
215.04:457:47
315.14:457:48
415.14:447:49
515.14:447:49
615.14:437:50
715.14:437:51
815.14:437:52
915.24:427:52
1015.24:427:53
1115.24:427:53
1215.24:427:54
1315.24:417:55
1415.24:417:55
1515.24:417:55
1615.24:417:56
1715.34:417:56
1815.34:417:57
1915.34:417:57
2015.34:417:57
2115.34:427:58
2215.34:427:58
2315.34:427:58
2415.34:427:58
2515.34:437:58
2615.34:437:59
2715.34:437:59
2815.34:447:59
2915.24:447:59
3015.24:447:59

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.28 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.32 kWh/m² to a high of 6.28 kWh/m² in June across the year — June's 6.28 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in June

Is June a good time to visit Mount Olive-Silverstone-Jamestown?

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

6.7
Sightseeing
3rd-best month of the year
5.2
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Mount Olive-Silverstone-Jamestown for sightseeing.

What to pack for Mount Olive-Silverstone-Jamestown in June

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

In June, Mount Olive-Silverstone-Jamestown 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 Mount Olive-Silverstone-Jamestown in June

The nearest coast averages about 15°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 22 km away) is warmest in August at about 21°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 20 to Sep 2 — about 1.5 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May7Bracing
Jun15Bracing
Jul20Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov8Bracing
Dec5Bracing

UV index in Mount Olive-Silverstone-Jamestown 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 Mount Olive-Silverstone-Jamestown peaks around June 21 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Mount Olive-Silverstone-Jamestown 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 Mount Olive-Silverstone-Jamestown is worst in May — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMay 2021 µg/m³Dec 1010 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar18Moderate
Apr18Moderate
May22Moderate
Jun20Moderate
Jul20Moderate
Aug17Moderate
Sep17Moderate
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Mount Olive-Silverstone-Jamestown?

Mount Olive-Silverstone-Jamestown sits at 43.7°N, 79.6°W, 160 m above sea level, in Canada. The nearest listed city is West Humber-Clairville, 3.0 km away.

Topography around Mount Olive-Silverstone-Jamestown

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mount Olive-Silverstone-Jamestown.

Within 3 km, the terrain around Mount Olive-Silverstone-Jamestown has only modest variations in elevation — a maximum elevation change of 61 m around an average of 159 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 234 m; within 80 km, significant variations in elevation — a maximum elevation change of 527 m.

The land around Mount Olive-Silverstone-Jamestown is covered by artificial surfaces (58%) and trees (25%) within 3 km, artificial surfaces (56%) and trees (20%) within 16 km, and trees (27%), cropland (26%) and water (26%) within 80 km.

3 km
61 m
16 km
234 m
80 km
527 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: West Humber-Clairville 3.0 km · Humbermede 4.0 km · Black Creek 6.0 km · Glenfield-Jane Heights 6.0 km · Kingsview Village-The Westway 6.0 km · Willowridge-Martingrove-Richview 8.0 km · Weston 8.0 km · Downsview-Roding-CFB 8.0 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 Mount Olive-Silverstone-Jamestown (43.7469°, -79.5873°, elevation 160 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).