Grimshaw, Canada — Weather in May 2027

Climate Overview

Grimshaw, Canada in May has mild conditions, with highs averaging 17.8°C (64°F) and noticeably cooler mornings. Temperatures drop noticeably between day and night.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 16°C (61°F) at the start to 20°C (68°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 12.1h of sunshine at the start of May, increasing to 12.9h by the end.

The warmest days tend to fall around the 26th, averaging 19.9°C (68°F).

Compared to April, this month is about 9°C warmer with 2 more rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

18°C / 5°C

Feels Like

15°C / 2°C

Rain

7 days · 47 mm

Sunshine

12.3h / day

Humidity

58% — Moderate

Wind

16 km/h

Wind Direction

SW (228°)

Gusts

38 km/h

Daylight

16.4 h

Cloud Cover

59%

Clear Sky Days

3.7

UV Index

5.4 — High

Dew Point

3°C — Dry

Moon Phase

Waxing Gibbous · 66%

Snow Days

1 days · 4.6 cm

Frost Days

3 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 05:38

Daylight 16.3h

Sunset 21:59

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	-8°C / -15°C	-12°C / -20°C	6days (20 mm) Good	3.9h Poor	80% Humid	1 Low	Poor	View Details
February	-7°C / -17°C	-12°C / -22°C	5days (19 mm) Good	6.3h Fair	76% Humid	2 Low	Poor	View Details
March	0°C / -11°C	-4°C / -16°C	5days (16 mm) Good	8.8h Good	73% Muggy	3.4 Moderate	Poor	View Details
April	9°C / -3°C	5°C / -7°C	5days (19 mm) Good	10.9h Excellent	61% Muggy	4.5 Moderate	Poor	View Details
May	18°C / 5°C	15°C / 2°C	7days (47 mm) Good	12.3h Excellent	58% Moderate	5.4 High	Fair	View Details
June best	21°C / 10°C	19°C / 8°C	11days (72 mm) Wet	12.5h Excellent	65% Muggy	5.7 High	Good	View Details
July best	23°C / 13°C	22°C / 11°C	13days (80 mm) Wet	13h Excellent	69% Muggy	6.1 High	Excellent	View Details
August best	22°C / 12°C	21°C / 10°C	10days (58 mm) Wet	11.4h Excellent	70% Muggy	5 Moderate	Excellent	View Details
September	17°C / 7°C	15°C / 4°C	8days (31 mm) Wet	9.4h Good	70% Muggy	3.9 Moderate	Fair	View Details
October	8°C / 0°C	4°C / -4°C	6days (28 mm) Good	6.6h Fair	73% Muggy	2.2 Moderate	Poor	View Details
November	-2°C / -9°C	-6°C / -13°C	6days (22 mm) Good	4.4h Fair	79% Humid	1.2 Low	Poor	View Details
December	-9°C / -17°C	-14°C / -22°C	7days (25 mm) Good	3.5h Poor	79% Humid	0.7 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.

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

Layered clothingLight jacketUmbrellaComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Grimshaw?

May is typically fair for visiting Grimshaw, with average highs of 18°C (64°F) and around 7 rainy days. Grimshaw, Canada in May has mild conditions, with highs averaging 17.8°C (64°F) and noticeably cooler mornings. Temperat

Does it rain a lot in Grimshaw in May?

Grimshaw typically sees around 7 rainy days in May with 47 mm (1.9 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Grimshaw in May?

Yes, nights in Grimshaw during May are cold, averaging 5°C (41°F). Pack warm layers and a coat for evenings.

What should I pack for Grimshaw in May?

With highs of 18°C (64°F) and lows of 5°C (41°F) in May, we recommend: Layered clothing, Light jacket, Umbrella, Comfortable walking shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Grimshaw in May?

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

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

Grimshaw gets approximately 16 hours of daylight per day in May, with around 12 hours of sunshine.

Does it snow in Grimshaw in May?

Yes, Grimshaw typically sees around 1 snow days in May with roughly 5 cm (2 in) of snowfall.

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