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What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
Temperature
24°C76°F -
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
High Temperature
31°C88°F -
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
Low Temperature
18°C64°F -
What is Average Day Temperature?
The average temperature recorded between sunrise and sunset
Day Temperature
26°C80°F -
What is Average Night Temperature?
The average temperature recorded between sunset and sunrise
Night Temperature
22°C73°F -
What is Average Sea Temperature?
Average daily sea temperatures and divided by the number of days in the month. Sea Temperatures are taken from buoys, ships and even satellites can calculate sea temperature based on energy that is radiated from the sea's surface
Sea Temperature
21°C70°F -
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
Sunshine Hours
13 hours -
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
Rainfall Days
5 days -
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
Rainfall
10 mm
Sun
Mon
Tue
Wed
1
Avg
24º
75º
Thu
2
Avg
24º
75º
Fri
3
Avg
24º
75º
Sat
4
Avg
23º
73º
5
Avg
24º
75º
6
Avg
25º
77º
7
Avg
24º
75º
8
Avg
24º
75º
9
Avg
24º
75º
10
Avg
23º
73º
11
Avg
24º
75º
12
Avg
23º
73º
13
Avg
24º
75º
14
Avg
24º
75º
15
Avg
25º
77º
16
Avg
25º
77º
17
Avg
26º
79º
18
Avg
24º
75º
19
Avg
24º
75º
20
Avg
24º
75º
21
Avg
24º
75º
22
Avg
24º
75º
23
Avg
25º
77º
24
Avg
24º
75º
25
Avg
25º
77º
26
Avg
26º
79º
27
Avg
26º
79º
28
Avg
26º
79º
29
Avg
25º
77º
30
Avg
26º
79º
31
Avg
25º
77º
Forecast
Avg
Historical Daily Average
January Weather Averages
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Perth Events January
Horse Fair
1
Jan
2026
1
Jan
2026
Perth Cup – Ascot Racecourse 🐎
he Perth Cup is a major thoroughbred horse race run at Ascot Racecourse over 2400 m under handicap conditions. Attendees watch the field parade, join wagering activity, and enjoy on-course entertainment and hospitality marquees. The race is a highlight of the summer racing calendar in Perth.
Swimming event
2
Jan
2026
2
Jan
2026
New Year’s Dive & Swim 🏊
A recreational open-water event invites swimmers and families to join a non-competitive swim or dive off Perth’s shores or along the Swan River. Lifeguards supervise activity, and spectators gather for a morning beachside event marking the start of the new year.
Music Festival
3
Jan
2026
3
Jan
2026
Wildlands Festival – Arena Joondalup 🎙
Wildlands Festival is a large outdoor music event featuring electronic music, DJs and live acts at Arena Joondalup. Attendees enjoy main stage performances, immersive installations and late-night sets in a summer festival environment north of Perth’s central business district
National
26
Jan
2026
26
Jan
2026
Australia Day – Langley Park 🏞
Perth observes Australia Day with public celebrations, community festivals, fireworks and cultural programmes at Langley Park and along the Swan River waterfront. Indigenous communities also host Sovereignty Day reflections, community concerts and public installations
