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April weather forecast in St Catharines

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

30 March, sun

	754 mmHg		71%
	6.2 m/s		+3

30 March, Sunday. day, 6°; night, 1°; rain

31 March, mon

	752 mmHg		73%
	6.3 m/s		+3

31 March, Monday. day, 7°; night, 2°; rain

1 April, tue

	750 mmHg		73%
	6.7 m/s		+4

1 April, Tuesday. day, 7°; night, 3°; rain

2 April, wed

	753 mmHg		69%
	6.3 m/s		+3

2 April, Wednesday. day, 7°; night, 2°; partly cloudy

3 April, thu

	751 mmHg		74%
	6.5 m/s		+3

3 April, Thursday. day, 7°; night, 3°; overcast

4 April, fri

	750 mmHg		75%
	7.4 m/s		+3

4 April, Friday. day, 7°; night, 3°; rain

5 April, sat

	753 mmHg		68%
	6.4 m/s		+3

5 April, Saturday. day, 6°; night, 1°; rain

6 April, sun

	753 mmHg		71%
	6.1 m/s		+4

6 April, Sunday. day, 7°; night, 2°; rain

7 April, mon

	752 mmHg		72%
	6.2 m/s		+3

7 April, Monday. day, 7°; night, 2°; rain

8 April, tue

	751 mmHg		73%
	6.3 m/s		+3

8 April, Tuesday. day, 7°; night, 3°; rain

9 April, wed

	752 mmHg		71%
	6 m/s		+4

9 April, Wednesday. day, 7°; night, 3°; clear

10 April, thu

	754 mmHg		67%
	6.1 m/s		+4

10 April, Thursday. day, 8°; night, 3°; clear

11 April, fri

	754 mmHg		70%
	6.4 m/s		+4

11 April, Friday. day, 8°; night, 3°; overcast

12 April, sat

	752 mmHg		72%
	6.9 m/s		+4

12 April, Saturday. day, 10°; night, 5°; rain

13 April, sun

	753 mmHg		72%
	6.5 m/s		+4

13 April, Sunday. day, 9°; night, 4°; rain

14 April, mon

	754 mmHg		69%
	6 m/s		+4

14 April, Monday. day, 9°; night, 4°; clear

15 April, tue

	753 mmHg		69%
	6.2 m/s		+5

15 April, Tuesday. day, 10°; night, 4°; clear

16 April, wed

	752 mmHg		70%
	6.4 m/s		+5

16 April, Wednesday. day, 10°; night, 6°; rain

17 April, thu

	753 mmHg		70%
	6.5 m/s		+5

17 April, Thursday. day, 10°; night, 4°; partly cloudy

18 April, fri

	754 mmHg		71%
	6.2 m/s		+5

18 April, Friday. day, 10°; night, 4°; clear

19 April, sat

	752 mmHg		72%
	6.6 m/s		+5

19 April, Saturday. day, 11°; night, 6°; partly cloudy

20 April, sun

	753 mmHg		72%
	6 m/s		+6

20 April, Sunday. day, 11°; night, 5°; partly cloudy

21 April, mon

	752 mmHg		71%
	6.2 m/s		+5

21 April, Monday. day, 11°; night, 5°; overcast

22 April, tue

	753 mmHg		73%
	5.9 m/s		+5

22 April, Tuesday. day, 10°; night, 6°; rain

23 April, wed

	752 mmHg		71%
	6.2 m/s		+6

23 April, Wednesday. day, 10°; night, 5°; partly cloudy

24 April, thu

	752 mmHg		68%
	5.8 m/s		+6

24 April, Thursday. day, 10°; night, 5°; clear

25 April, fri

	752 mmHg		70%
	5.9 m/s		+5

25 April, Friday. day, 10°; night, 5°; rain

26 April, sat

	752 mmHg		72%
	6 m/s		+6

26 April, Saturday. day, 10°; night, 5°; rain

27 April, sun

	753 mmHg		69%
	6.3 m/s		+6

27 April, Sunday. day, 11°; night, 5°; clear

28 April, mon

	753 mmHg		70%
	6.4 m/s		+5

28 April, Monday. day, 10°; night, 6°; clear

29 April, tue

	754 mmHg		69%
	5.4 m/s		+6

29 April, Tuesday. day, 11°; night, 6°; clear

30 April, wed

	753 mmHg		70%
	5.7 m/s		+6

30 April, Wednesday. day, 11°; night, 7°; overcast

1 May, thu

	751 mmHg		73%
	6.2 m/s		+6

1 May, Thursday. day, 13°; night, 7°; rain

2 May, fri

	751 mmHg		76%
	6 m/s		+6

2 May, Friday. day, 12°; night, 8°; rain

3 May, sat

	752 mmHg		76%
	5.4 m/s		+7

3 May, Saturday. day, 12°; night, 8°; rain

Average data for 10 years

St Catharines April

9

sunny days

12

days with precipitation

10

cloudy days

9 sunny days; 12 days with precipitation; 10 cloudy days;

71

%

air humidity

4.19

m/s

WindS

101

mm of precipitation

(10% of annual average)

+5

°C

Water temperature

air humidity 71%; 101 millimeters of precipitation (10% of annual average); Wind southerly 4.19 Meters per second; Water temperature +5°

Weather graphs for April

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

SW

S

S

SW

S

S

S

S

S

SE

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

Toronto
Detroit
Pittsburgh
Cleveland
Macedonia
Burlington
Buffalo
Milan
London

Cities with similar weather in April

Riga
Stockholm
Oslo
Yurmala
Palanga
Dublin
Copenhagen
Chicago
Gdansk

The weather forecast for April 2025 is based on historical data from the past 10 years.

In April, the weather in St Catharines is typically warm. Average daily high temperature in April is about 9 degrees above zero. On average, St Catharines has 11 rainy, 9 sunny, 6 partly cloudy, and 4 cloudy days in April. The rains are usually heavy. April as well as January, February, March, and October is considered the most uncomfortable time to visit St Catharines.

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