Last updated: August 22, 2025
In December, the average temperature in Merriwa, Australia hovers around 23°C (73°F), providing a pleasant climate for outdoor activities. However, be prepared for a wide range, as temperatures can dip to a chilly 9°C (48°F) or soar to a scorching 42°C (108°F). During this month, expect about 67 mm (2.6 in) of precipitation over 8 days, contributing to an average humidity level of 68%. Whether you're exploring or relaxing, don't forget to stay hydrated!
In December in Merriwa, the average temperature is 23°C (73°F). Maximum can reach 42°C (108°F) and minimum can be as low as 9°C (48°F). Be prepared for a wide range of temperatures when traveling during this month, as both heat and cool conditions can occur.
In Merriwa in December, the total precipitation amount is 67 mm (2.6 in) over the course of 8 days.
In Merriwa in December humidity is 68%. With an average temperature of 23°C (73°F), this humidity feels like a soft blanket wrapping around you, making every step outside feel a bit heavier, but offering a warm embrace that encourages leisurely exploration and a relaxed pace for travel.
In Merriwa in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Merriwa.
UV Risk Categories
Weather in Merriwa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Merriwa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (77°F) | 32 mm (1.3 inches) | 65% | extreme |
| February Weather | 23°C (74°F) | 58 mm (2.3 inches) | 69% | extreme |
| March Weather | 21°C (69°F) | 100 mm (3.9 inches) | 72% | extreme |
| April Weather | 17°C (63°F) | 21 mm (0.8 inches) | 75% | very high |
| May Weather | 13°C (55°F) | 19 mm (0.8 inches) | 74% | high |
| June Weather | 10°C (51°F) | 28 mm (1.1 inches) | 72% | moderate |
| July Weather | 10°C (49°F) | 28 mm (1.1 inches) | 68% | moderate |
| August Weather | 10°C (51°F) | 26 mm (1.0 inches) | 67% | high |
| September Weather | 14°C (58°F) | 23 mm (0.9 inches) | 63% | very high |
| October Weather | 17°C (64°F) | 58 mm (2.3 inches) | 55% | extreme |
| November Weather | 20°C (68°F) | 82 mm (3.2 inches) | 57% | extreme |
| December Weather | 23°C (73°F) | 67 mm (2.6 inches) | 68% | extreme |