Dover, Canada — Weather in May 2027

Climate Overview

Dover, Canada in May has mild conditions, with highs averaging 10.9°C (52°F) and noticeably cooler mornings. Rain falls on about 11 days this month. Sea temperature stays cool at 3.6°C (38°F).

This month falls at the end of Spring.

Daily highs in May gradually rise from around 8°C (47°F) at the start to 14°C (58°F) by month's end.

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

Expect around 6.1h of sunshine at the start of May, increasing to 8.6h by the end.

The warmest days tend to fall around the 31th, averaging 15.8°C (60°F).

Compared to April, this month is about 5°C warmer with 2 fewer rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

11°C / 3°C

Feels Like

8°C / -1°C

Rain

11 days · 73 mm

Sunshine

7.7h / day

Humidity

77% — Humid

Wind

20 km/h

Wind Direction

W (271°)

Gusts

42 km/h

Daylight

15.3 h

Cloud Cover

76%

Clear Sky Days

1.2

UV Index

5.2 — High

Sea Temperature

4°C

Dew Point

3°C — Dry

Moon Phase

Waxing Gibbous · 66%

Snow Days

3 days · 5.7 cm

Frost Days

2 days

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 05:26

Daylight 15.3h

Sunset 20:42

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

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

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

Packing List

Layered clothingLight jacketUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Dover?

May is typically poor for visiting Dover, with average highs of 11°C (52°F) and around 11 rainy days. Dover, Canada in May has mild conditions, with highs averaging 10.9°C (52°F) and noticeably cooler mornings. Rain falls

Does it rain a lot in Dover in May?

Dover typically sees around 11 rainy days in May with 73 mm (2.9 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Dover in May?

Yes, nights in Dover during May are cold, averaging 3°C (37°F). Pack warm layers and a coat for evenings.

What should I pack for Dover in May?

With highs of 11°C (52°F) and lows of 3°C (37°F) in May, we recommend: Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

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

May is not the most favourable month weather-wise in Dover. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Dover in May?

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

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

Dover gets approximately 15 hours of daylight per day in May, with around 8 hours of sunshine.

Does it snow in Dover in May?

Yes, Dover typically sees around 3 snow days in May with roughly 6 cm (2 in) of snowfall.

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