Cobourg in Summer

In summer (June, July and August), Cobourg sees average daytime highs around 24°C and overnight lows near 17°C, with 229 mm of rain over about 31 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.

Over the season highs climb from about 19°C in early June to 23°C by late August. The sky is clear or mostly clear about 33% of the time across summer, and the air most often feels humid.

Summer is Cobourg's best season of the year to visit on our travel score. For the whole year in context, see Cobourg's year-round climate.

Avg daytime high
24°C
warmest season of the year
Avg overnight low
17°C
Rainfall
229 mm
31 wet days
Avg wind
12 km/h
Travel score
6.8
best season of the year
Months
Jun · Jul · Aug

Temperature in Cobourg in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 19°C in early June to 23°C by late August.

A typical summer day in Cobourg reaches about 24°C and drops to 17°C overnight. The warmest of the three months is July, the coolest June.

10°15°20°25°30°JunJulAug

How summer really feels in Cobourg

Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Cobourg weather by month

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -9°6710.98.59.10.0
Feb-2° / -9°528.26.610.20.0
Mar / -4°6110.35.411.60.0
Apr / 8410.6213.21.9
May15° / 7010.6014.54.7
Jun22° / 14°7810.4015.26.5
Jul25° / 18°7610.2014.96.9
Aug24° / 17°7510013.87.0
Sep20° / 13°809.2012.36.5
Oct14° / 8411.70.110.83.7
Nov / 7510.32.49.41.0
Dec / -4°7111.16.28.80.0

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Cobourg gets around 229 mm of rain over 31 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 12 km/h across summer.

051015JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 15 hours in early June to 13 h 06 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 6.1 kWh/m².

0246JunJulAug
Planning a trip in summer

Is summer a good time to visit Cobourg?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.8
Sightseeing
1st-best month of the year
5.5
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Cobourg for sightseeing.

What to pack for Cobourg in Summer

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

In summer, Cobourg sees daytime highs around 24°C and nights near 17°C. Pack sun protection. Worth having: light clothes and rain gear. About 31 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Cobourg in Summer

The nearest coast averages about 18°C across summer — 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 2°C.

It's comfortable for a long swim from Jul 23 to Sep 6 — about 1.5 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar2Bracing
Apr3Bracing
May6Bracing
Jun14Bracing
Jul20Cool
Aug21Refreshing
Sep19Cool
Oct14Bracing
Nov8Bracing
Dec5Bracing

UV index in Cobourg in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Cobourg peaks around June 22 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 22UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Cobourg?

Cobourg sits at 44.0°N, 78.2°W, 82 m above sea level, in Canada. The nearest listed city is Peterborough, 40 km away.

Topography around Cobourg

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

Within 3 km, the terrain around Cobourg has only modest variations in elevation — a maximum elevation change of 65 m around an average of 86 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 282 m; within 80 km, significant variations in elevation — a maximum elevation change of 394 m.

The land around Cobourg is covered by water (42%), trees (21%) and artificial surfaces (21%) within 3 km, water (48%) and trees (23%) within 16 km, and water (46%) and trees (29%) within 80 km.

3 km
65 m
16 km
282 m
80 km
394 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
Summer weather nearby: Peterborough 40 km · Bowmanville 42 km · Quinte West 54 km · Oshawa 55 km · Whitby 62 km · Lindsay 63 km · Brooklin 64 km · Belleville 67 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 Cobourg (43.9598°, -78.1651°, elevation 82 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.