Climate and monthly weather forecastPerth, Canada
Climate and monthly weather forecast
Weather in January
January, the same as December, in Perth, Canada, is another subzero cold winter month, with an average temperature fluctuating between -11.8°C (10.8°F) and -4.4°C (24.1°F). Temperature records mark January as the coldest month, with highs averaging -4.4°C (24.1°F) and lows at -11.8°C (10.8°F). Weather in January »Weather in February
February, the last month of the winter in Perth, is another freezing cold month, with temperature in the range of an average low of -10.4°C (13.3°F) and an average high of -3.2°C (26.2°F). With the transition into February, Perth notes an average high-temperature of a still subzero cold -3.2°C (26.2°F), closely resembling January. Weather in February »Weather in March
March, the first month of the spring in Perth, is an icy month, with temperature in the range of an average high of 2.4°C (36.3°F) and an average low of -4.8°C (23.4°F). In March, the meteorological conditions change with the average high-temperature moving from a subzero cold -3.2°C (26.2°F) in February to a wintry 2.4°C (36.3°F). Weather in March »Weather in April
April is a fresh spring month in Perth, Canada, with an average temperature varying between 10.3°C (50.5°F) and 1.5°C (34.7°F). Perth, Canada, experiences a temperature shift with the start of April, with average high-temperatures moving from a wintry 2.4°C (36.3°F) in March to a fresh 10.3°C (50.5°F). Weather in April »Weather in May
May, the last month of the spring in Perth, is a refreshing month, with an average temperature fluctuating between 18.2°C (64.8°F) and 7.8°C (46°F). The arrival of May brings a change in Perth's weather, with average high-temperatures moving from April's fresh 10.3°C (50.5°F) to a comfortable 18.2°C (64.8°F). Weather in May »Weather in June
The first month of the summer, June, is an agreeable month in Perth, Canada, with an average temperature varying between 11.6°C (52.9°F) and 21.7°C (71.1°F). The shift into June is characterized by a subtle rise in the average high-temperature, transitioning from May's enjoyable 18.2°C (64.8°F) to a pleasant 21.7°C (71.1°F). Weather in June »Weather in July
July is a moderately hot summer month in Perth, Canada, with an average temperature varying between 15.3°C (59.5°F) and 25.1°C (77.2°F). July, with an average high of 25.1°C (77.2°F) and a low of 15.3°C (59.5°F), signifies the warmest month of the year. Weather in July »Weather in August
August, the last month of the summer in Perth, is another warm month, with temperature in the range of an average low of 14.4°C (57.9°F) and an average high of 24.4°C (75.9°F). As August takes its course, Perth's average high-temperature registers at a still moderately hot 24.4°C (75.9°F), closely aligning with the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Perth, Canada, with an average temperature ranging between max 20.7°C (69.3°F) and min 10.7°C (51.3°F). Perth's progression into September involves a gentle drop in the average high-temperature, from a moderately hot 24.4°C (75.9°F) in August to a pleasant 20.7°C (69.3°F). Weather in September »Weather in October
October, like September, is another mild autumn month in Perth, Canada, with an average temperature ranging between min 5.7°C (42.3°F) and max 13.2°C (55.8°F). With October's arrival, Perth's weather changes as the average high-temperature falls from an agreeable 20.7°C (69.3°F) in September to a moderate 13.2°C (55.8°F). Weather in October »Weather in November
November, the last month of the autumn in Perth, is also a frosty month, with an average temperature varying between -0.9°C (30.4°F) and 6°C (42.8°F). As November commences, the average high-temperature shows a reduction, transitioning from a moderate 13.2°C (55.8°F) in October to a chilly 6°C (42.8°F). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Perth, Canada, with temperature in the range of an average high of -0.8°C (30.6°F) and an average low of -6.1°C (21°F). December's onset brings a reduction in the average high-temperature, from a frosty 6°C (42.8°F) in November to a subzero cold -0.8°C (30.6°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Perth, Canada
The warmest month (with the highest average high temperature) is July (25.1°C).
The month with the lowest average high temperature is January (-4.4°C).
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-11.8°C).
Average pressure
Perth, Canada
- Average pressure in January:
1016.8mbar - Average pressure in February:
1016.4mbar - Average pressure in March:
1018mbar - Average pressure in April:
1014.4mbar - Average pressure in May:
1014.9mbar - Average pressure in June:
1012.7mbar
- Average pressure in July:
1013.4mbar - Average pressure in August:
1014.4mbar - Average pressure in September:
1017.2mbar - Average pressure in October:
1015.6mbar - Average pressure in November:
1018.2mbar - Average pressure in December:
1017.4mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1012.7mbar).
Average wind speed
Perth, Canada
- Average wind speed in January:
14.6km/h - Average wind speed in February:
14.9km/h - Average wind speed in March:
14.5km/h - Average wind speed in April:
14.8km/h - Average wind speed in May:
12.4km/h - Average wind speed in June:
11.1km/h
- Average wind speed in July:
10.6km/h - Average wind speed in August:
10.6km/h - Average wind speed in September:
11.1km/h - Average wind speed in October:
13.4km/h - Average wind speed in November:
14km/h - Average wind speed in December:
13.8km/h
The windiest month (with the highest average wind speed) is February (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity
Perth, Canada
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall
Perth, Canada
The wettest month (with the highest rainfall) is August (70mm).
The driest months (with the least rainfall) are March and November (43mm).
Average rainfall days
Perth, Canada
- Average rainfall days in January:
5 days - Average rainfall days in February:
5.4 days - Average rainfall days in March:
8.6 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
16.2 days - Average rainfall days in September:
11.7 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
9 days - Average rainfall days in December:
9 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is January (5 days).
Average snowfall
Perth, Canada
The month with the highest snowfall is February (157mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Perth, Canada
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
13.3 days - Average snowfall days in March:
9.2 days - Average snowfall days in April:
2.9 days - Average snowfall days in May:
0.5 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
5 days - Average snowfall days in December:
11.4 days
The months with the highest number of snowfall days are January and February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Perth, Canada
- Average daylight in January:
9h and 18min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 30min - Average daylight in May:
14h and 54min - Average daylight in June:
15h and 30min
- Average daylight in July:
15h and 12min - Average daylight in August:
14h and 0min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 36min - Average daylight in December:
8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
2h and 42min - Average sunshine in March:
4h and 36min - Average sunshine in April:
7h and 0min - Average sunshine in May:
8h and 30min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 6min - Average sunshine in October:
4h and 48min - Average sunshine in November:
4h and 30min - Average sunshine in December:
3h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 42min).
Average sunshine days
Perth, Canada
- Average sunshine days in January:
15.3 days - Average sunshine days in February:
12.8 days - Average sunshine days in March:
15.5 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
12.8 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.1 days - Average sunshine days in August:
12.2 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
15.7 days - Average sunshine days in November:
17.2 days - Average sunshine days in December:
14.4 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.1 days).
Average UV index
Perth, Canada
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Perth, Canada
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility
Perth, Canada
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March and December (8km).





