Dover, Canada — Weather in August 2026

Climate Overview

Dover, Canada in August has warm conditions, with highs averaging 22.2°C (72°F). Rain falls on about 11 days this month. Sea temperature stays cool at 16.5°C (62°F).

This month falls at the end of Summer.

Daily highs in August gradually drop from around 23°C (73°F) at the start to 21°C (69°F) by month's end.

Rainfall is heaviest during the last third of the month, while the first third tends to be drier.

Expect around 9.7h of sunshine at the start of August, decreasing to 7.8h by the end.

Wind speeds pick up through the month, from 18 km/h (11 mph) to 21 km/h (13 mph).

The warmest days tend to fall around the 12th, averaging 23.6°C (74°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

22°C / 15°C

Feels Like

22°C / 14°C

Rain

11 days · 75 mm

Sunshine

8.5h / day

Humidity

78% — Humid

Wind

19 km/h

Wind Direction

SW (222°)

Gusts

39 km/h

Daylight

14.3 h

Cloud Cover

66%

Clear Sky Days

2.4

UV Index

5.2 — High

Sea Temperature

17°C

Dew Point

15°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 06:00

Daylight 14.4h

Sunset 20:24

What to Expect

Daytime temperatures around 22°C (72°F) are ideal for full-day outdoor exploration.

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

1 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	0°C / -6°C	-5°C / -12°C	14days (101 mm) Wet	3.8h Poor	80% Humid	1.5 Low	Poor	View Details
February	-1°C / -8°C	-6°C / -14°C	12days (104 mm) Wet	5.4h Fair	77% Humid	2.3 Moderate	Poor	View Details
March	2°C / -5°C	-3°C / -10°C	13days (102 mm) Wet	6.4h Fair	78% Humid	3.2 Moderate	Poor	View Details
April	6°C / -1°C	2°C / -5°C	13days (96 mm) Wet	6.7h Fair	79% Humid	4.3 Moderate	Poor	View Details
May	11°C / 3°C	8°C / -1°C	11days (73 mm) Wet	7.7h Good	77% Humid	5.2 High	Poor	View Details
June best	17°C / 9°C	16°C / 6°C	11days (73 mm) Wet	8.2h Good	78% Humid	5.3 High	Good	View Details
July best	22°C / 14°C	22°C / 13°C	11days (80 mm) Wet	9h Good	78% Humid	5.9 High	Excellent	View Details
August best	22°C / 15°C	22°C / 14°C	11days (75 mm) Wet	8.5h Good	78% Humid	5.2 High	Excellent	View Details
September best	18°C / 11°C	16°C / 9°C	12days (83 mm) Wet	6.7h Fair	79% Humid	4 Moderate	Good	View Details
October	12°C / 7°C	9°C / 3°C	11days (87 mm) Wet	5.4h Fair	81% Humid	2.6 Moderate	Fair	View Details
November	7°C / 2°C	3°C / -3°C	16days (133 mm) Wet	3.6h Poor	82% Humid	1.3 Low	Poor	View Details
December	2°C / -2°C	-3°C / -8°C	13days (117 mm) Wet	3h Poor	81% Humid	1.1 Low	Poor	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

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

Packing List

UmbrellaWaterproof jacketSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Dover?

August is typically excellent for visiting Dover, with average highs of 22°C (72°F) and around 11 rainy days. Dover, Canada in August has warm conditions, with highs averaging 22.2°C (72°F). Rain falls on about 11 days this month.

Does it rain a lot in Dover in August?

Dover typically sees around 11 rainy days in August with 75 mm (3 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Dover in August?

Evenings in Dover during August are mild at 15°C (59°F). A light cardigan is usually enough.

What should I pack for Dover in August?

With highs of 22°C (72°F) and lows of 15°C (59°F) in August, we recommend: Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.

Is August among the best months weather-wise in Dover?

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

What is the UV index in Dover in August?

The average UV index in Dover during August is 5 (moderate). Sunscreen and sunglasses are recommended during midday hours.

How many hours of daylight are there in Dover in August?

Dover gets approximately 14 hours of daylight per day in August, with around 9 hours of sunshine.

Does it snow in Dover in August?

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

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