Deep River, Canada — Weather in May 2027

Climate Overview

Deep River, Canada in May has mild conditions, with highs averaging 18.3°C (65°F) and noticeably cooler mornings. Rain falls on about 12 days this month. Temperatures drop noticeably between day and night.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 14°C (57°F) at the start to 22°C (72°F) by month's end.

May sees fairly even rainfall, totalling about 86 mm across the month.

Expect around 7.2h of sunshine at the start of May, increasing to 11.2h by the end.

The warmest days tend to fall around the 28th, averaging 22.6°C (73°F).

Compared to April, this month is about 10°C warmer with 1 fewer rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

18°C / 7°C

Feels Like

17°C / 5°C

Rain

12 days · 87 mm

Sunshine

10h / day

Humidity

68% — Humid

Wind

15 km/h

Wind Direction

WNW (296°)

Gusts

37 km/h

Daylight

15 h

Cloud Cover

62%

Clear Sky Days

4.6

UV Index

5.7 — High

Dew Point

7°C — Dry

Moon Phase

Waxing Gibbous · 66%

Snow Days

1 days · 1 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 05:39

Daylight 15h

Sunset 20:36

What to Expect

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

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

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

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

Packing List

Warm evening layerUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Deep River?

May is typically good for visiting Deep River, with average highs of 18°C (65°F) and around 12 rainy days. Deep River, Canada in May has mild conditions, with highs averaging 18.3°C (65°F) and noticeably cooler mornings. Rain f

Does it rain a lot in Deep River in May?

Deep River typically sees around 12 rainy days in May with 87 mm (3.4 in) of total rainfall. Pack a waterproof jacket.

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

Nights in Deep River during May are cool at around 7°C (45°F). Bring a jacket or sweater for evenings.

What should I pack for Deep River in May?

With highs of 18°C (65°F) and lows of 7°C (45°F) in May, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

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

Yes, May 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 May?

The average UV index in Deep River during May 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 May?

Deep River gets approximately 15 hours of daylight per day in May, with around 10 hours of sunshine.

Does it snow in Deep River in May?

Yes, Deep River typically sees around 1 snow days in May with roughly 1 cm (0 in) of snowfall.

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