Monthly weather forecast and climate
Perth, United Kingdom

January, like December, in Perth, United Kingdom, is a wintry winter month, with average temperature ranging between min 0.8°C (33.4°F) and max 4.3°C (39.7°F). With an average high-temperature of 4.3°C (39.7°F) and an average low-temperature of 0.8°C (33.4°F), January is the coldest month. Weather in January »

February, the last month of the winter, in Perth, is another cold month, with temperature in the range of an average high of 5.3°C (41.5°F) and an average low of 0.9°C (33.6°F). In February, the average high-temperature is almost the same as in January - a still wintry 5.3°C (41.5°F). Weather in February »

March, the first month of the spring, in Perth, is a frosty month, with temperature in the range of an average high of 7.6°C (45.7°F) and an average low of 1.8°C (35.2°F). In March, the average high-temperature is essentially the same as in February - a chilly 7.6°C (45.7°F). Weather in March »

April is a fresh spring month in Perth, United Kingdom, with average temperature varying between 10.4°C (50.7°F) and 3.4°C (38.1°F). In Perth, the average high-temperature is almost the same as in March - a fresh 10.4°C (50.7°F). Weather in April »

May, the last month of the spring, in Perth, is a mild month, with temperature in the range of an average high of 13.1°C (55.6°F) and an average low of 5°C (41°F). In Perth, the average high-temperature in May is almost the same as in April - a mild 13.1°C (55.6°F). Weather in May »

June, the first month of the summer, in Perth, is also a moderate month, with temperature in the range of an average low of 7.5°C (45.5°F) and an average high of 15.4°C (59.7°F). In Perth, the average high-temperature is practically the same as in May - a still moderate 15.4°C (59.7°F). Weather in June »

July in Perth, United Kingdom, is a comfortable summer month, with temperature in the range of an average low of 9.3°C (48.7°F) and an average high of 17.1°C (62.8°F). The warmest month is July, with an average high-temperature of 17.1°C (62.8°F) and an average low-temperature of 9.3°C (48.7°F). Weather in July »

August, the last month of the summer, in Perth, is another comfortable month, with average temperature varying between 16.8°C (62.2°F) and 9.4°C (48.9°F). In August, the average high-temperature is almost the same as in July - a still comfortable 16.8°C (62.2°F). Weather in August »

The first month of the autumn, September, is also a moderate month in Perth, United Kingdom, with average temperature fluctuating between 8.2°C (46.8°F) and 14.5°C (58.1°F). In Perth, the average high-temperature in September is almost the same as in August - a moderate 14.5°C (58.1°F). Weather in September »

October, like September, in Perth, United Kingdom, is a cool autumn month, with average temperature varying between 11.3°C (52.3°F) and 6°C (42.8°F). In Perth, the average high-temperature marginally drops, from a moderate 14.5°C (58.1°F) in September, to a fresh 11.3°C (52.3°F). Weather in October »

The last month of the autumn, November, is also a frosty month in Perth, United Kingdom, with temperature in the range of an average high of 7.3°C (45.1°F) and an average low of 2.9°C (37.2°F). In November, the average high-temperature marginally drops, from a cool 11.3°C (52.3°F) in October, to a chilly 7.3°C (45.1°F). Weather in November »

The first month of the winter, December, is also a wintry month in Perth, United Kingdom, with temperature in the range of an average high of 4.8°C (40.6°F) and an average low of 1°C (33.8°F). In December, the average high-temperature is practically the same as in November - a cold 4.8°C (40.6°F). Weather in December »

What is the coldest month in Perth?

The coldest month is January, with an average high-temperature of 4.3°C (39.7°F) and an average low-temperature of 0.8°C (33.4°F).

What is the most humid month in Perth?

January, November and December, with an average relative humidity of 89%, are most humid months in Perth.

How many days does it rain in Perth?

Throughout the year, there are 193.4 rainfall days, and 508mm (20") of precipitation is accumulated.

When does it snow in Perth?

Months with snowfall are January through May, November and December.

How much does it snow in Perth?

In Perth, during the entire year, snow falls for 15.6 days, and aggregates up to 167mm (6.57") of snow.

When is the lowest UV index in Perth?

With an average maximum UV index of 1, January is the month with the lowest UV index in Perth.

What is the snowiest month in Perth?

The month with the most snowfall in Perth, United Kingdom, is February when snow falls for 4.7 days and typically aggregates up to 55mm (2.17") of snow.

What is the month with the least sunshine in Perth?

Months with the least sunshine in Perth are February and October, with an average of 4.2h of sunshine.

What is the least humid month in Perth?

April is the least humid month in Perth, with an average relative humidity of 81%.

What is the driest month in Perth?

The month with the least rainfall in Perth, United Kingdom, is April when the rain falls for 14.3 days and typically collects 22mm (0.87") of precipitation.

When it does not snow in Perth?

In Perth snow does not fall in June through October.

When are the longest days in Perth?

The month with the longest days in Perth is June, with an average of 17.6h of daylight.

What month has the most sunshine in Perth?

With an average of 7.5h of sunshine, June has the most sunshine of the year in Perth.

What are the months with the highest UV index in Perth?

Months with the highest UV index are June through August, with an average maximum UV index of 4.

What is the warmest month in Perth?

The warmest month is July, with an average high-temperature of 17.1°C (62.8°F) and an average low-temperature of 9.3°C (48.7°F).

What is the wettest month in Perth?

August is the month with the most rainfall in Perth. Rain falls for 20.7 days and accumulates 67mm (2.64") of precipitation.

What is the month with the shortest days in Perth?

December has the shortest days of the year, with an average of 7h of daylight.
Average humidity - Perth, United Kingdom
Average rainfall - Perth, United Kingdom
Average rainfall days - Perth, United Kingdom

The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is February (11.9 days).

Average snowfall - Perth, United Kingdom
Average snowfall days - Perth, United Kingdom

The month with the highest number of snowfall days is February (4.7 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine - Perth, United Kingdom

The month with the longest days is June (Average daylight: 17.6h).
The month with the shortest days is December (Average daylight: 7h).

The month with the most sunshine is June (Average sunshine: 7.5h).
Months with the least sunshine are February and October (Average sunshine: 4.2).