Deep River, Canada — Weather in August 2026

Climate Overview

Deep River, Canada in August has warm conditions, with highs averaging 24.7°C (76°F). Rain falls on about 12 days this month.

This month falls at the end of Summer.

Daily highs in August gradually drop from around 26°C (79°F) at the start to 23°C (73°F) by month's end.

August sees fairly even rainfall, totalling about 105 mm across the month.

Expect around 10.9h of sunshine at the start of August, decreasing to 9.7h by the end.

The warmest days tend to fall around the 1th, averaging 26.3°C (79°F).

Compared to July, this month is about 2°C cooler with 0 fewer rainy days. Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

25°C / 16°C

Feels Like

26°C / 16°C

Rain

12 days · 104 mm

Sunshine

10.3h / day

Humidity

75% — Humid

Wind

14 km/h

Wind Direction

W (268°)

Gusts

34 km/h

Daylight

14.1 h

Cloud Cover

58%

Clear Sky Days

UV Index

5.6 — High

Dew Point

16°C — Comfortable

Moon Phase

Waxing Crescent · 3%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:11

Daylight 14.2h

Sunset 20:21

What to Expect

Daytime temperatures around 25°C (76°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain usually comes in shorter passing showers rather than all-day rain.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	-5°C / -13°C	-9°C / -18°C	10days (60 mm) Wet	4.5h Fair	78% Humid	1.7 Low	Poor	View Details
February	-3°C / -12°C	-8°C / -17°C	12days (66 mm) Wet	6h Fair	76% Humid	2.5 Moderate	Poor	View Details
March	2°C / -7°C	-2°C / -12°C	12days (78 mm) Wet	7.3h Good	73% Muggy	3.6 Moderate	Poor	View Details
April	9°C / -1°C	6°C / -5°C	13days (102 mm) Wet	8.2h Good	70% Muggy	4.3 Moderate	Poor	View Details
May best	18°C / 7°C	17°C / 5°C	12days (87 mm) Wet	10h Excellent	68% Muggy	5.7 High	Good	View Details
June best	24°C / 13°C	24°C / 12°C	12days (106 mm) Wet	10.7h Excellent	70% Muggy	6.1 High	Excellent	View Details
July best	26°C / 17°C	28°C / 17°C	12days (96 mm) Wet	11.8h Excellent	72% Muggy	6.4 High	Excellent	View Details
August best	25°C / 16°C	26°C / 16°C	12days (104 mm) Wet	10.3h Excellent	75% Muggy	5.6 High	Excellent	View Details
September best	21°C / 12°C	20°C / 11°C	9days (82 mm) Wet	8.6h Good	78% Humid	4.5 Moderate	Excellent	View Details
October	13°C / 6°C	11°C / 4°C	12days (91 mm) Wet	6.1h Fair	78% Humid	2.9 Moderate	Fair	View Details
November	4°C / -1°C	1°C / -6°C	12days (69 mm) Wet	4.3h Fair	78% Humid	1.7 Low	Poor	View Details
December	-2°C / -9°C	-6°C / -14°C	11days (72 mm) Wet	3.7h Poor	80% Humid	1.4 Low	Poor	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketBreathable clothingSunscreen (SPF 30+)Sun hatSunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Deep River?

August is typically excellent for visiting Deep River, with average highs of 25°C (76°F) and around 12 rainy days. Deep River, Canada in August has warm conditions, with highs averaging 24.7°C (76°F). Rain falls on about 12 days this m

Does it rain a lot in Deep River in August?

Deep River typically sees around 12 rainy days in August with 104 mm (4.1 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Deep River in August?

Evenings in Deep River during August are mild at 16°C (61°F). A light cardigan is usually enough.

What should I pack for Deep River in August?

With highs of 25°C (76°F) and lows of 16°C (61°F) in August, we recommend: Umbrella, Waterproof jacket, Breathable clothing, Sunscreen (SPF 30+), Sun hat. Comfortable walking shoes are essential.

Is August among the best months weather-wise in Deep River?

Yes, August offers some of the best weather conditions in Deep River with comfortable temperatures and lower chances of rain.

What is the UV index in Deep River in August?

The average UV index in Deep River during August is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Deep River in August?

Deep River gets approximately 14 hours of daylight per day in August, with around 10 hours of sunshine.

Does it snow in Deep River in August?

Snow is uncommon in Deep River during August based on 10-year climate averages.

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