Northam 2024 Climate Summary
Northam's weather tells a compelling story across the seasons. The temperature and rainfall patterns provide valuable insight into what to expect throughout the year.
Temperature extremes span from 7.4°C up to 35.7°C, with a notable 16.8°C difference between the warmest and coldest periods.
Jul brings the heaviest precipitation at 83mm, contrasting sharply with Jan's mere 1mm. The city receives 337mm annually over approximately 61 rain days.
Northam runs 1.7°C cooler than the Western Australia average. The 337mm annual rainfall aligns closely with regional patterns.
Understanding these patterns helps determine the best times to visit Northam. Whether you prefer warm dry conditions or milder temperatures, Northam's climate offers distinct seasonal advantages throughout the year.
Note on methodology: this page summarises 2024 observations only. Long-record climate trend analysis drawn from ACORN-SAT (1910 to present) is in development. For context on multi-decade change, see the BOM State of the Climate report.
Temperature Profile
Monthly maximum and minimum temperature ranges showing seasonal variation in Northam's climate.
Climate Analysis
The temperature data for Northam reveals clear seasonal patterns. The annual average maximum is 25.8°C, while the average minimum is 13.0°C. This 12.8°C range demonstrates the city's seasonal temperature variation.
Rainfall Pattern
Monthly rainfall distribution throughout Northam showing wet and dry season patterns.
Annual rainfall totals 337mm, distributed across the calendar year. The distribution pattern shows distinct wet and dry periods that influence local climate conditions.
Climate Summary Table
Complete monthly climate averages including temperature, precipitation, solar radiation, and humidity data.
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % |
|---|---|---|---|---|---|---|
| January | 34.4 | 18.8 | 1 | 0 | 30.0 | 21% |
| February | 35.7 | 19.9 | 16 | 2 | 26.2 | 18% |
| March | 29.1 | 16.4 | 14 | 2 | 21.3 | 33% |
| April | 26.3 | 13.8 | 6 | 1 | 17.2 | 28% |
| May | 23.9 | 12.0 | 26 | 6 | 11.8 | 34% |
| June | 18.2 | 8.5 | 58 | 11 | 9.5 | 53% |
| July | 17.0 | 7.4 | 83 | 12 | 10.3 | 56% |
| August | 17.7 | 7.9 | 64 | 12 | 12.6 | 57% |
| September | 20.9 | 8.5 | 16 | 4 | 19.6 | 41% |
| October | 25.7 | 11.6 | 20 | 4 | 23.4 | 32% |
| November | 27.8 | 13.7 | 33 | 6 | 26.8 | 28% |
| December | 33.1 | 17.3 | 2 | 1 | 30.1 | 23% |