Lancaster, Canada — Weather in May 2027

Climate Overview

Lancaster, Canada in May has mild conditions, with highs averaging 14°C (57°F) and noticeably cooler mornings. Rain falls on about 12 days this month. Sea temperature stays cool at 8.4°C (47°F).

This month falls at the end of Spring.

Daily highs in May gradually rise from around 12°C (53°F) at the start to 16°C (61°F) by month's end.

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

Expect around 7.7h of sunshine at the start of May, increasing to 9.7h by the end.

The warmest days tend to fall around the 30th, averaging 16.6°C (62°F).

Compared to April, this month is about 6°C warmer with 0 fewer rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

14°C / 7°C

Feels Like

12°C / 3°C

Rain

12 days · 102 mm

Sunshine

9.5h / day

Humidity

75% — Humid

Wind

23 km/h

Wind Direction

SW (223°)

Gusts

41 km/h

Daylight

14.9 h

Cloud Cover

65%

Clear Sky Days

3.5

UV Index

5.7 — High

Sea Temperature

8°C

Dew Point

6°C — Dry

Moon Phase

Waxing Gibbous · 66%

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 05:56

Daylight 14.9h

Sunset 20:48

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.

Recent yearly records for May have stayed close to the long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	-1°C / -8°C	-6°C / -14°C	13days (124 mm) Wet	5.3h Fair	75% Muggy	1.9 Low	Poor	View Details
February	0°C / -8°C	-6°C / -14°C	11days (106 mm) Wet	6.7h Fair	74% Muggy	2.9 Moderate	Poor	View Details
March	3°C / -4°C	-2°C / -10°C	13days (119 mm) Wet	7.6h Good	73% Muggy	3.5 Moderate	Poor	View Details
April	9°C / 2°C	5°C / -4°C	12days (119 mm) Wet	8.4h Good	72% Muggy	4.7 Moderate	Poor	View Details
May	14°C / 7°C	12°C / 3°C	12days (102 mm) Wet	9.5h Good	75% Muggy	5.7 High	Fair	View Details
June best	18°C / 12°C	18°C / 9°C	13days (106 mm) Wet	10.2h Excellent	81% Humid	5.8 High	Good	View Details
July best	22°C / 16°C	22°C / 15°C	11days (89 mm) Wet	10.5h Excellent	84% Humid	6.4 High	Excellent	View Details
August best	22°C / 16°C	22°C / 15°C	9days (99 mm) Wet	10.1h Excellent	82% Humid	5.9 High	Excellent	View Details
September best	19°C / 13°C	18°C / 11°C	8days (97 mm) Wet	8.6h Good	81% Humid	4.9 Moderate	Good	View Details
October	14°C / 8°C	11°C / 5°C	11days (120 mm) Wet	7.1h Good	78% Humid	3.4 Moderate	Fair	View Details
November	7°C / 1°C	3°C / -4°C	12days (129 mm) Wet	5.4h Fair	75% Muggy	1.9 Low	Poor	View Details
December	2°C / -5°C	-4°C / -11°C	13days (141 mm) Wet	4.8h Fair	74% Muggy	1.5 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

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Is May a good time to visit Lancaster?

May is typically fair for visiting Lancaster, with average highs of 14°C (57°F) and around 12 rainy days. Lancaster, Canada in May has mild conditions, with highs averaging 14°C (57°F) and noticeably cooler mornings. Rain fall

Does it rain a lot in Lancaster in May?

Lancaster typically sees around 12 rainy days in May with 102 mm (4 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Lancaster in May?

Nights in Lancaster during May are cool at around 7°C (44°F). Bring a jacket or sweater for evenings.

What should I pack for Lancaster in May?

With highs of 14°C (57°F) and lows of 7°C (44°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 Lancaster?

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

What is the UV index in Lancaster in May?

The average UV index in Lancaster 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 Lancaster in May?

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

Does it snow in Lancaster in May?

Snow is uncommon in Lancaster during May based on 10-year climate averages.

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