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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, in Upper Swan, Australia, is a hot summer month, with an average temperature varying between 31.8°C (89.2°F) and 18.4°C (65.1°F). Shifting into January, Upper Swan records an average high-temperature of a still hot 31.8°C (89.2°F), presenting minor fluctuations compared to the previous month. Weather in January »
Weather in February
February, the last month of the summer in Upper Swan, is also a hot month, with an average temperature varying between 32°C (89.6°F) and 18.9°C (66°F). During the warmest month, February, temperatures average a high of 32°C (89.6°F) and a low of 18.9°C (66°F). The heat index value for February is computed to be a hot 34°C (93.2°F). Weather in February »
Weather in March
The first month of the autumn, March, is also a moderately hot month in Upper Swan, Australia, with an average temperature fluctuating between 17.4°C (63.3°F) and 29.1°C (84.4°F). Upon the onset of March, Upper Swan witnesses an average high-temperature of a warm 29.1°C (84.4°F), showing a close resemblance to the prior month. Weather in March »
Weather in April
April, the same as March, is another warm autumn month in Upper Swan, Australia, with an average temperature varying between 15°C (59°F) and 25.5°C (77.9°F). The arrival of April corresponds with a minor reduction in the average high-temperature, down from March's 29.1°C (84.4°F) to a still warm 25.5°C (77.9°F). Weather in April »
Weather in May
The last month of the autumn, May, is another pleasant month in Upper Swan, Australia, with temperature in the range of an average low of 11.7°C (53.1°F) and an average high of 20.8°C (69.4°F). May signals a slight drop in average high-temperature, sliding from April's moderately hot 25.5°C (77.9°F) to an agreeable 20.8°C (69.4°F). Weather in May »
Weather in June
The first month of the winter, June, is still a refreshing month in Upper Swan, Australia, with an average temperature ranging between min 9.9°C (49.8°F) and max 18.1°C (64.6°F). Upper Swan observes a minor difference in average high-temperatures between May's 20.8°C (69.4°F) and June's 18.1°C (64.6°F). Weather in June »
Weather in July
July, the same as June, is another enjoyable winter month in Upper Swan, Australia, with an average temperature varying between 16.8°C (62.2°F) and 8.6°C (47.5°F). During the coldest month, July, temperatures average a high of 16.8°C (62.2°F) and a low of 8.6°C (47.5°F). Weather in July »
Weather in August
August, the last month of the winter in Upper Swan, is another comfortable month, with an average temperature ranging between max 17.4°C (63.3°F) and min 8.5°C (47.3°F). In August, Upper Swan experiences a minor shift in meteorological conditions with average high-temperatures marked at a still enjoyable 17.4°C (63.3°F), closely mirroring the climate in July. Weather in August »
Weather in September
The first month of the spring, September, is still a refreshing month in Upper Swan, Australia, with an average temperature ranging between min 8.7°C (47.7°F) and max 19.1°C (66.4°F). Transitioning from August to September, Upper Swan observes an average high-temperature of a still refreshing 19.1°C (66.4°F), differing subtly from the previous month. Weather in September »
Weather in October
October in Upper Swan, Australia, is an agreeable spring month, with an average temperature varying between 22.7°C (72.9°F) and 11.4°C (52.5°F). Observing a minor shift, the average high-temperature during October adjusts from September's refreshing 19.1°C (66.4°F) to an agreeable 22.7°C (72.9°F). Weather in October »
Weather in November
The last month of the spring, November, is a moderately hot month in Upper Swan, Australia, with an average temperature varying between 14.3°C (57.7°F) and 26.9°C (80.4°F). The start of November signals a slight increase in the average high-temperature, moving from an agreeable 22.7°C (72.9°F) in October to a moderately hot 26.9°C (80.4°F). Weather in November »
Weather in December
December, the first month of the summer in Upper Swan, is a tropical month, with temperature in the range of an average low of 16.7°C (62.1°F) and an average high of 30°C (86°F). December's arrival brings a modest temperature shift, moving from a warm 26.9°C (80.4°F) in November to a tropical 30°C (86°F). Weather in December »
Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the least humid month in Upper Swan?
January is the least humid month in Upper Swan, with an average relative humidity of 49%.
How many days does it rain in Upper Swan?
Throughout the year, there are 100 rainfall days, and 290mm (11.42") of precipitation is accumulated.
What are the months with the most sunshine in Upper Swan?
January and December, with an average of 11.5h of sunshine, are months with the most sunshine in Upper Swan.
What are the warmest months in Upper Swan?
In Upper Swan, February is known for its average highest temperatures, reaching a high of 32°C (89.6°F) and a low of 18.9°C (66°F).
What is the month with the highest UV index in Upper Swan?
February is the month with the highest UV index, with an average maximum UV index of 7.
What is the driest month in Upper Swan?
March and December are months with the least rain in Upper Swan, Australia, when the rain falls for 6.2 days and typically aggregates up to 9mm (0.35") of rain.
When is the lowest UV index in Upper Swan?
May through August, with an average maximum UV index of 4, are months with the lowest UV index in Upper Swan, Australia.
What is the wettest month in Upper Swan?
June is the month with the most rainfall in Upper Swan. Rain falls for 10.2 days and accumulates 51mm (2.01") of precipitation.
What is the month with the shortest days in Upper Swan?
June has the shortest days of the year, with an average of 10h and 6min of daylight.
What time of the year is the coldest in Upper Swan?
In Upper Swan, July is the month with the lowest recorded average temperatures, measuring a high of 16.8°C (62.2°F) and a low of 8.6°C (47.5°F).
What is the most humid month in Upper Swan?
July and August, with an average relative humidity of 78%, are most humid months.
What is the month with the least sunshine in Upper Swan?
With an average of 5.7h of sunshine, August has the least sunshine of the year in Upper Swan.
When are the longest days in Upper Swan?
December has the longest days of the year, with an average of 14h and 12min of daylight.
Is there Daylight Saving Time (DST) in Upper Swan?
Upper Swan, Australia, does not utilize Daylight Saving Time (DST). AWST timezone is used over the entire year.
Average temperature
Upper Swan, Australia
The warmest month (with the highest average high temperature) is February (32°C).
The month with the lowest average high temperature is July (16.8°C).
The month with the highest average low temperature is February (18.9°C).
The coldest month (with the lowest average low temperature) is August (8.5°C).
Average pressure
Upper Swan, Australia
- Average pressure in January:
1011mbar - Average pressure in February:
1012.3mbar - Average pressure in March:
1015.3mbar - Average pressure in April:
1017.7mbar - Average pressure in May:
1019.9mbar - Average pressure in June:
1020.4mbar
- Average pressure in July:
1020.7mbar - Average pressure in August:
1019.5mbar - Average pressure in September:
1019.1mbar - Average pressure in October:
1017.2mbar - Average pressure in November:
1014.2mbar - Average pressure in December:
1012.2mbar
The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is January (1011mbar).
Average wind speed
Upper Swan, Australia
- Average wind speed in January:
12.6km/h - Average wind speed in February:
12.6km/h - Average wind speed in March:
11.9km/h - Average wind speed in April:
10.1km/h - Average wind speed in May:
10km/h - Average wind speed in June:
10.1km/h
- Average wind speed in July:
10km/h - Average wind speed in August:
10.3km/h - Average wind speed in September:
10.7km/h - Average wind speed in October:
11.4km/h - Average wind speed in November:
12.2km/h - Average wind speed in December:
12.4km/h
The windiest months (with the highest average wind speed) are January and February (12.6km/h).
The calmest months (with the lowest average wind speed) are May and July (10km/h).
Average humidity
Upper Swan, Australia
The months with the highest relative humidity are July and August (78%).
The month with the lowest relative humidity is January (49%).
Average rainfall
Upper Swan, Australia
The wettest month (with the highest rainfall) is June (51mm).
The driest months (with the least rainfall) are March and December (9mm).
Average rainfall days
Upper Swan, Australia
- Average rainfall days in January:
5.1 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
6.2 days - Average rainfall days in April:
8.2 days - Average rainfall days in May:
8.1 days - Average rainfall days in June:
10.2 days
- Average rainfall days in July:
13.5 days - Average rainfall days in August:
13.4 days - Average rainfall days in September:
11.2 days - Average rainfall days in October:
8.6 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
5.2 days
The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is February (4.8 days).
Average daylight / Average sunshine
Upper Swan, Australia
- Average daylight in January:
14h and 0min - Average daylight in February:
13h and 1min - Average daylight in March:
12h and 2min - Average daylight in April:
11h and 2min - Average daylight in May:
10h and 3min - Average daylight in June:
10h and 1min
- Average daylight in July:
10h and 2min - Average daylight in August:
11h and 0min - Average daylight in September:
11h and 5min - Average daylight in October:
12h and 5min - Average daylight in November:
13h and 4min - Average daylight in December:
14h and 1min
The month with the longest days is December (Average daylight: 14h and 12min).
The month with the shortest days is June (Average daylight: 10h and 6min).
- Average sunshine in January:
11h and 3min - Average sunshine in February:
11h and 0min - Average sunshine in March:
9h and 1min - Average sunshine in April:
7h and 2min - Average sunshine in May:
6h and 3min - Average sunshine in June:
6h and 1min
- Average sunshine in July:
5h and 5min - Average sunshine in August:
5h and 4min - Average sunshine in September:
7h and 5min - Average sunshine in October:
10h and 1min - Average sunshine in November:
11h and 1min - Average sunshine in December:
11h and 3min
The months with the most sunshine are January and December (Average sunshine: 11h and 30min).
The month with the least sunshine is August (Average sunshine: 5h and 42min).
Average sunshine days
Upper Swan, Australia
- Average sunshine days in January:
24.3 days - Average sunshine days in February:
21.7 days - Average sunshine days in March:
24.4 days - Average sunshine days in April:
20.9 days - Average sunshine days in May:
21.7 days - Average sunshine days in June:
17.8 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
16.6 days - Average sunshine days in October:
20.7 days - Average sunshine days in November:
21.9 days - Average sunshine days in December:
24.5 days
The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is July (15.1 days).
Average UV index
Upper Swan, Australia
The month with the highest UV index is February (UV index 7).
The months with the lowest UV index are May, June, July and August (UV index 4).
Average cloud cover
Upper Swan, Australia
The months with the most cloud cover are July and August (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 14).
Average visibility
Upper Swan, Australia
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).
