December Weather in Geraldton, Australia

Last updated: February 26, 2025

Experience the vibrant climate of Geraldton, Australia, in December, where the summer heat truly comes alive. With maximum temperatures reaching a sizzling 37°C (98°F) and an average of 23°C (73°F), visitors can bask in long, sun-drenched days. The minimum temperature dips down to a comfortable 15°C (58°F), providing a pleasant evening retreat. Despite this warmth, Geraldton enjoys a low precipitation amount of just 5 mm (0.2 in) over the course of a mere 1 day, ensuring mostly dry conditions. With relative humidity sitting at 73%, the air retains a balmy feel, making December an ideal time to explore the stunning coastal scenery and vibrant local culture.

December Temperature in Geraldton

In Geraldton, Australia, December ushers in the height of summer, showcasing a range of temperatures that reflect the region's warm climate. With minimums hovering around 15°C (58°F) and averaging a comfortable 23°C (73°F), residents and visitors alike can relish in the pleasant conditions. The mercury can soar to a sweltering 37°C (98°F), mirroring the peak heat of the season. Notably, December's average temperatures align closely with those of the preceding months, maintaining a steady warmth that gradually rises from the mild early summer. As daylight lengthens and the sun shines bright, Geraldton transforms into a vibrant locale perfect for outdoor activities, beach outings, and enjoying the festive spirit of the season.

December Weather in Geraldton: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Geraldton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec757575726864626163656973
Data source: Temperature data for Geraldton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Geraldton

In December, Geraldton experiences a notable drop in precipitation, recording only 5 mm (0.2 in) of rain over just one day. This minimal rainfall caps a month characterized by a gradual decrease in moisture compared to the wetter winter months preceding it. After a series of wetter conditions through the middle of the year, where June and July both saw 58 mm (2.3 in) of rain across numerous days, the trend shifts towards drier conditions as the year winds down. With only two rainy days in November and now just one in December, it's clear that the region is transitioning into its drier summer months, making December an ideal time for outdoor activities under the warm Australian sun.

December Precipitation Trends in Geraldton

The chart displays monthly precipitation patterns in Geraldton, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1122311265858501718145
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Geraldton

In Geraldton, Australia, December brings a humidity level of 73%, which is consistent with the trends observed throughout the year. The humidity peaks in April at 75%, while the winter months of July and August show a slight dip to 66%. Interestingly, the humidity fluctuates moderately between the months, with January and February maintaining slightly higher levels at 73% and 74% respectively. As the year draws to a close, December's levels not only align with the winter months but also reflect a gentle return to the humidity range typical for the beginning of the year. This cyclical pattern highlights Geraldton's comfortable coastal climate, making it an inviting destination year-round.

December Average Humidity in Geraldton

This chart illustrates the average monthly humidity levels in Geraldton, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec73%74%73%75%69%70%66%66%67%70%72%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Geraldton

In December, Geraldton experiences a UV Index of 14, categorized as extreme, with a rapid burn time of just 10 minutes. This trend maintains the high levels of sun intensity observed in the previous months of November and October, both sharing the same extreme rating. As we transition from the warmer months of early summer, the UV Index remains consistently elevated, reflecting a pattern that highlights the region's intense solar exposure. From January to March, the sun's rays are particularly relentless, peaking at an astonishing 15 in January, before slightly easing in subsequent months. If you're planning outdoor activities, be sure to take precautions to protect your skin! For more details, check the complete Geraldton UV Index.

Maximum UV Index Levels in Geraldton for December

The chart shows the monthly maximum UV Index (UVI) for Geraldton in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec1514121075579121414
Data source: Geraldton December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Geraldton

In December, Geraldton, Australia, basks in the glow of an impressive 375 hours of sunshine, marking one of the sunniest months of the year. This vibrant increase in daylight follows a steady rise throughout the spring and into the summer, as the region transitions from November’s 347 hours to the sun-soaked days of December. This upward trend is a delightful invitation for both locals and tourists to revel in outdoor activities, beach outings, and picturesque sunsets. The sunshine hours hint at a broader pattern, where the annual cycle enjoys peaks during the summer months, particularly from November to January, making this coastal gem a shining star for sun-seekers.

Monthly Sunshine Duration in Geraldton: December Highlighted

The December sunshine duration represents the total number of hours Geraldton experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec300h312h321h293h287h273h282h296h304h336h347h375h
Data source: Geraldton December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Geraldton During December

In Geraldton, Australia, December brings a likelihood of sunny weather that aligns beautifully with the region's typical climatic patterns. With a 76% chance of sunshine, December stands out as a month of ample sunlight, reminiscent of the vibrant weather seen in earlier months like March (76%) and November (82%). As temperatures peak, this month transitions from the warmer spring days, maintaining a consistent trend of favorable weather. Notably, December's sunny probabilities remain significantly higher than the winter months, particularly July, which sees only a 43% chance of sun. For anyone seeking to bask in the light of the Australian summer, December in Geraldton promises an inviting atmosphere.

Percentage of Sunny Days in December in Geraldton

The chart illustrates the percentage of sunny days in Geraldton throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Geraldton experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec71%67%76%57%58%67%43%72%77%66%83%76%
Data source: Geraldton December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Geraldton in December

In Geraldton, Australia, daylight duration follows a captivating annual rhythm, peaking at 13 hours in both January and February, offering extended evenings perfect for outdoor activities. As the seasons transition into the cooler months, daylight gradually diminishes, reaching a low of 10 hours from May through July. However, as spring blooms in August, daylight begins to increase once again, signaling a return to longer days. By the time December rolls around, residents can once again enjoy 13 hours of sunlight, echoing the bright start to the year. This cyclical pattern showcases the striking balance between long summer days and the shorter, cozy winter months in this vibrant coastal town.

Average Daylight Hours in Geraldton for December

The chart illustrates the variation in daylight duration in Geraldton throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 43m13h 4m12h 13m11h 22m10h 40m10h 19m10h 29m11h 6m11h 54m12h 46m13h 32m13h 55m
Data source: Geraldton daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Geraldton

As December settles over Geraldton, Australia, the winds pick up, bringing an average speed of 7.2 m/s (16 mph), marking a slight increase from the preceding months. This uptick in wind speed mirrors the pattern seen in the earlier summer months of January and February, both also averaging 7.0 m/s. Interestingly, throughout the year, the wind tends to fluctuate, dipping to its lowest in June at 5.3 m/s before gradually strengthening again in the latter half of the year. December's breezy conditions welcome the summer season, engaging outdoor enthusiasts and watersport lovers alike, and signifying a vibrant close to the year in this coastal town.

Average December Wind Speed in Geraldton

The chart displays monthly wind speed patterns in Geraldton, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.07.05.85.95.55.36.25.45.86.56.67.2 m/s
Data source: Geraldton December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Geraldton Compares to Other Months

The weather in Geraldton changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Geraldton and find detailed weather information for every month.

December's weather is characterized by warmer daytime temperatures, with averages around 23°C (73°F) and a maximum that can reach up to 37°C (98°F). Throughout the month, it experiences minimal precipitation, totaling only 5 mm (0.2 in) over just one rainy day, while maintaining a consistent humidity level of 73%. In contrast, January sees a slight increase in both minimum and average temperatures, with lows of 17°C (63°F) and an average of 24°C (75°F). Precipitation also rises in January to 11 mm (0.4 in), still over a single rainy day, but the humidity remains the same at 73%. For a detailed look at weather specifics in January, you can check Geraldton weather in January.

December and February in Geraldton exhibit warm temperatures and relatively low precipitation, but with some notable differences. In December, the minimum temperature averages around 15°C (58°F), while February sees a slightly warmer minimum of 18°C (64°F). Despite both months reaching a maximum of 37°C (98°F), February tends to be a tad more humid at 74% compared to December's 73%. Additionally, February experiences more rainfall, with 22 mm (0.9 in) recorded over 3 days, whereas December only has about 5 mm (0.2 in) of precipitation over just 1 day. For a more detailed look at the February weather, you can visit Geraldton weather in February.

In December, the weather features a minimum temperature of 15°C (58°F) and an average of 23°C (73°F), reaching a maximum of 37°C (98°F). Although precipitation is relatively low at 5 mm (0.2 in), there is at least one rainy day, and humidity remains consistent at 73%. In contrast, March sees slightly warmer temperatures with a minimum of 17°C (62°F) and an average of 24°C (76°F), while the maximum temperature drops to 34°C (93°F). Notably, March experiences even less precipitation, totaling just 3 mm (0.1 in) across no rainy days, maintaining the same humidity level. For more detailed insights, you can check Geraldton weather in March.

December and April in Geraldton present a contrast in weather conditions, with December generally being warmer. In December, temperatures range from a minimum of 15°C (58°F) to a maximum of 37°C (98°F), with an average of 23°C (73°F). The precipitation is low at just 5 mm (0.2 in), and humidity sits at around 73%. In comparison, April sees slightly cooler temperatures, with a minimum of 14°C (58°F), an average of 22°C (72°F), and a maximum of 34°C (94°F). Precipitation increases to 11 mm (0.4 in), but still occurs on only one day, with humidity rising slightly to 75%. For more detailed information, you can check Geraldton weather in April.

In December, the weather is considerably warmer, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 37°C (98°F), and an average of 23°C (73°F). The month sees minimal rainfall, with only 5 mm (0.2 in) of precipitation occurring over just one day, paired with relatively high humidity at 73%. In contrast, May experiences cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 28°C (83°F), leading to an average of 20°C (68°F). This month is also wetter, receiving 26 mm (1.0 in) of rainfall over four days, and slightly lower humidity at 69%. For more detailed information on May weather in Geraldton, you can refer to Geraldton weather in May.

In December, the weather is significantly warmer, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 37°C (98°F), and an average of 23°C (73°F). This month experiences minimal precipitation, with only 5 mm (0.2 in) over just one day and humidity levels at 73%. In contrast, June sees cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 26°C (80°F), averaging at 18°C (64°F). Precipitation is more frequent in June, accumulating to 58 mm (2.3 in) over seven days, and humidity is slightly lower at 70%. For a more detailed look into June weather, check out Geraldton weather in June.

In comparing the weather between December and July, December tends to be much warmer, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 37°C (98°F) and an average of 23°C (73°F). In contrast, July experiences cooler temperatures, with a minimum of 11°C (52°F), an average of 17°C (62°F), and a maximum of 24°C (76°F). December also boasts lower precipitation, with only 5 mm (0.2 in) over just 1 day, while July sees significantly more rainfall at 58 mm (2.3 in) over 9 days. Despite the added moisture in July, it has slightly lower humidity at 66% compared to December's 73%. For a detailed look at July's weather, check out this link: Geraldton weather in July.

When comparing December and August weather, December tends to be much warmer, with temperatures ranging from a minimum of 15°C (58°F) to a maximum of 37°C (98°F) and an average of 23°C (73°F). In contrast, August experiences cooler temperatures, with a minimum of 10°C (51°F) and a maximum of 26°C (78°F), averaging 16°C (62°F). Additionally, December is relatively dry with only 5 mm (0.2 in) of precipitation over just one day, while August sees a significant increase in rainfall, totaling 50 mm (2.0 in) over nine days. Notably, December's humidity stands at 73%, slightly higher than August's 66%, contributing to a warmer and more humid climate during the summer month. For more detailed information, you can check Geraldton weather in August.

Comparing the weather in December and September reveals some notable differences. December typically features warmer temperatures, with minimums around 15°C (58°F) and maximums reaching as high as 37°C (98°F), contrasting with September's cooler range of 11°C (52°F) to a maximum of 28°C (83°F). Additionally, December sees significantly less precipitation, averaging just 5 mm (0.2 in) over one day, while September experiences about 17 mm (0.7 in) of rain spread over four days. Despite the slightly higher humidity in December at 73%, September maintains a comfortable level of 67%. For more detailed insights into September weather, visit Geraldton weather in September.

In December, the weather in Geraldton tends to be warmer and more humid compared to October. December sees a minimum temperature of 15°C (58°F), with average temperatures reaching around 23°C (73°F) and maximums soaring up to 37°C (98°F). In contrast, October experiences slightly cooler conditions, with minimum temperatures at 12°C (54°F), an average of 19°C (66°F), and a maximum of 31°C (88°F). Additionally, December has significantly less precipitation, averaging only 5 mm over just 1 day, while October receives about 18 mm across 4 days. For more detailed information, you can check Geraldton weather in October.

In comparing the weather between November and December, December shows a notable increase in temperature, with average highs reaching 37°C (98°F) compared to November's max of 33°C (92°F). The minimum temperatures are also slightly higher, with December starting at 15°C (58°F) versus November's 13°C (57°F). Precipitation levels drop significantly in December, bringing only 5 mm (0.2 in) over just one day, whereas November experiences 14 mm (0.6 in) over two days. Despite the slight increase in humidity, remaining at 73% in December compared to November's 72%, the overall trend points towards drier and warmer conditions in December. For more details about November's climate, you can check out Geraldton weather in November.

Compare Geraldton's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Geraldton

As December arrives in Geraldton, the weather transforms into a warm embrace, marked by higher temperatures and increased humidity. With average highs soaring around 37°C (98°F), it’s a stark contrast to the cooler months experienced earlier in the year. The low precipitation, with just a single day of rain, keeps the landscape predominantly dry, allowing for plenty of sunshine to bask in. This month epitomizes the shift towards summer, inviting both locals and visitors to enjoy the vibrant atmosphere and outdoor activities that Geraldton has to offer. For a more detailed look at seasonal variations, visit Geraldton Climate.