Waterloo, Canada — Weather in March 2027

Monthly climate averages for Waterloo, Canada. Based on 10-year ERA5 reanalysis data.

Dfb Warm-Summer Continental
1.5 /10
Poor

March is a poor month in Waterloo

Climate Overview

Waterloo, Canada in March has cold conditions, with highs averaging around 5.4°C (42°F). Rain falls on about 11 days this month.

This month falls at the beginning of Spring. Cold conditions dominate the month.

Daily highs in March gradually rise from around 2°C (36°F) at the start to 8°C (46°F) by month's end.

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

Expect around 7.0h of sunshine at the start of March, decreasing to 6.5h by the end.

The warmest days tend to fall around the 29th, averaging 8.2°C (47°F).

Compared to February, this month is about 5°C warmer with 0 fewer rainy days. Temperatures will rise further into April.

LIVE Current Weather Local Time
LIVE Air Quality

Monthly March Averages

Temperature
5°C / -4°C
Feels Like
1°C / -9°C
Rain
11 days · 79 mm
Sunshine
7.5h / day
Humidity
71% — Humid
Wind
22 km/h
Wind Direction
W (278°)
Gusts
46 km/h
Daylight
12 h
Cloud Cover
69%
Clear Sky Days
2.6
UV Index
4 — Moderate
Dew Point
-4°C — Dry
Moon Phase
First Quarter · 46%
Snow Days
11 days · 16.5 cm
Frost Days
23 days

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

16°C 12°C 8°C 4°C 0°C -4°C -8°C -12°C 151015202531
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 8 mm 151015202531
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202531
Sunshine

Daily Wind Speed

0 6 12 18 24 30 151015202531
Wind Speed
Sun Position
Sunrise 07:36
Daylight 11.9h
Sunset 19:29

What to Expect

Cold daytime highs of 5°C (42°F) mean shorter outdoor excursions with warming breaks.

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

3 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

January
Poor
Temp
-1°C / -8°C
Feels Like
-6°C / -13°C
Rain
12days (72 mm) Wet
Sun
4.6h Fair
Humidity
79% Humid
UV
2.2 Moderate
Snow Days
18days
View Details
February
Poor
Temp
1°C / -8°C
Feels Like
-4°C / -13°C
Rain
11days (69 mm) Wet
Sun
6.3h Fair
Humidity
76% Humid
UV
3.2 Moderate
Snow Days
14days
View Details
March
Poor
Temp
5°C / -4°C
Feels Like
1°C / -9°C
Rain
11days (79 mm) Wet
Sun
7.5h Good
Humidity
71% Muggy
UV
4 Moderate
Snow Days
11days
View Details
April
Poor
Temp
12°C / 2°C
Feels Like
8°C / -3°C
Rain
14days (94 mm) Wet
Sun
8.7h Good
Humidity
67% Muggy
UV
4.8 Moderate
Snow Days
6days
View Details
May best
Good
Temp
19°C / 8°C
Feels Like
18°C / 6°C
Rain
11days (75 mm) Wet
Sun
10.5h Excellent
Humidity
67% Muggy
UV
6 High
Snow Days
1days
View Details
June best
Excellent
Temp
24°C / 14°C
Feels Like
24°C / 13°C
Rain
11days (94 mm) Wet
Sun
12h Excellent
Humidity
67% Muggy
UV
6.6 High
View Details
July best
Excellent
Temp
26°C / 17°C
Feels Like
28°C / 17°C
Rain
12days (78 mm) Wet
Sun
11.9h Excellent
Humidity
70% Muggy
UV
6.8 High
View Details
August best
Excellent
Temp
25°C / 16°C
Feels Like
26°C / 17°C
Rain
11days (86 mm) Wet
Sun
11h Excellent
Humidity
74% Muggy
UV
6 High
View Details
September best
Excellent
Temp
22°C / 13°C
Feels Like
22°C / 12°C
Rain
8days (60 mm) Wet
Sun
9.5h Good
Humidity
74% Muggy
UV
5.1 High
View Details
October
Fair
Temp
15°C / 7°C
Feels Like
12°C / 5°C
Rain
11days (79 mm) Wet
Sun
6.8h Fair
Humidity
76% Humid
UV
3.4 Moderate
View Details
November
Poor
Temp
7°C / 0°C
Feels Like
3°C / -4°C
Rain
12days (65 mm) Wet
Sun
5.4h Fair
Humidity
77% Humid
UV
2.2 Moderate
Snow Days
8days
View Details
December
Poor
Temp
1°C / -5°C
Feels Like
-3°C / -10°C
Rain
13days (77 mm) Wet
Sun
4h Fair
Humidity
80% Humid
UV
1.6 Low
Snow Days
16days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January -1°C / -8°C -6°C / -13°C 12days (72 mm) Wet 4.6h Fair 79% Humid 2.2 Moderate Poor View Details
February 1°C / -8°C -4°C / -13°C 11days (69 mm) Wet 6.3h Fair 76% Humid 3.2 Moderate Poor View Details
March 5°C / -4°C 1°C / -9°C 11days (79 mm) Wet 7.5h Good 71% Muggy 4 Moderate Poor View Details
April 12°C / 2°C 8°C / -3°C 14days (94 mm) Wet 8.7h Good 67% Muggy 4.8 Moderate Poor View Details
May best 19°C / 8°C 18°C / 6°C 11days (75 mm) Wet 10.5h Excellent 67% Muggy 6 High Good View Details
June best 24°C / 14°C 24°C / 13°C 11days (94 mm) Wet 12h Excellent 67% Muggy 6.6 High Excellent View Details
July best 26°C / 17°C 28°C / 17°C 12days (78 mm) Wet 11.9h Excellent 70% Muggy 6.8 High Excellent View Details
August best 25°C / 16°C 26°C / 17°C 11days (86 mm) Wet 11h Excellent 74% Muggy 6 High Excellent View Details
September best 22°C / 13°C 22°C / 12°C 8days (60 mm) Wet 9.5h Good 74% Muggy 5.1 High Excellent View Details
October 15°C / 7°C 12°C / 5°C 11days (79 mm) Wet 6.8h Fair 76% Humid 3.4 Moderate Fair View Details
November 7°C / 0°C 3°C / -4°C 12days (65 mm) Wet 5.4h Fair 77% Humid 2.2 Moderate Poor View Details
December 1°C / -5°C -3°C / -10°C 13days (77 mm) Wet 4h Fair 80% Humid 1.6 Low Poor View Details

What to Wear

Full winter gear is a must — insulated coat, thermal base layers, warm hat, gloves, and waterproof boots.

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

Packing List

Warm coatThermal base layersScarf & glovesUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

March is typically poor for visiting Waterloo, with average highs of 5°C (42°F) and around 11 rainy days. Waterloo, Canada in March has cold conditions, with highs averaging around 5.4°C (42°F). Rain falls on about 11 days thi
Waterloo typically sees around 11 rainy days in March with 79 mm (3.1 in) of total rainfall. Pack a waterproof jacket.
Yes, nights in Waterloo during March are cold, averaging -4°C (26°F). Pack warm layers and a coat for evenings.
With highs of 5°C (42°F) and lows of -4°C (26°F) in March, we recommend: Warm coat, Thermal base layers, Scarf & gloves, Umbrella, Waterproof jacket. Comfortable walking shoes are essential.
March is not the most favourable month weather-wise in Waterloo. Consider visiting during months with milder temperatures or less rainfall for a better experience.
The average UV index in Waterloo during March is 4 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Waterloo gets approximately 12 hours of daylight per day in March, with around 8 hours of sunshine.
Yes, Waterloo typically sees around 11 snow days in March with roughly 17 cm (6 in) of snowfall.

Last updated: