Climate and monthly weather forecast
Coffs Harbour, Australia

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The climate of Coffs Harbour

Located on Australia's east coast, Coffs Harbour is a prime example of Köppen’s Cfa climate designation, which signifies a subtropical climate with no dry season. A characteristic oscillation in weather variables is observed throughout the year reflecting the city's position in the climate zone.

Temperature in Coffs Harbour varies moderately over the year with a mean peak of 27.2°C (81°F) in January dropping to a trough of 17.8°C (64°F) by July. The trend of cooling continues from January to July subsequent to which there is a steady rise in temperature culminating again in December at 26.1°C (79°F). Minimum temperatures follow a similar pattern, starting at 20.4°C (68.7°F) in January, falling to 11.1°C (52°F) in July, and rising again to 18.8°C (65.8°F) in December.

Relatively high humidity levels are a constant across the year in Coffs Harbour, ranging from 71% to 79%. Rainfall in Coffs Harbour is most intense in February, reaching up to a peak of 110mm (4.33"). It lessens considerably by August, where it drops to its lowest at 37mm (1.46") before rising moderately until December. Cloud cover similarly exhibits a decrease from January to August with a subsequent moderate rebound as well.

The sea temperature varies from 20°C (68°F) to 26°C (78.8°F) throughout the year. Autumn shows a noticeable decrease in daylight hours from January’s high of 14.1h, reaching the lowest in June at 10.2h before climbing back up. Windspeed varies insignificantly through the year, only fluctuating between 11.6km/h (7.2mph) and 13.2km/h (8.2mph). It is worth noting that the Ultraviolet (UV) index fluctuates mildly over the year, with a peak value of 6 in January, February, November and December and a minimal level of 4 in June and July.

The best time to visit Coffs Harbour

Considering overall weather patterns throughout the year, September and October appear to offer the most favorable conditions for visiting Coffs Harbour. During these months, the temperatures are mild, varying between 13.4°C (56.1°F) and 23.3°C (73.9°F), sufficiently comfortable for outdoor activities. Rainfall during these months is relatively low, making it optimal for outdoor exploration. With daylight duration around 11.9h to 12.8h, visitors will have ample time to experience the sightseeing and outdoor pleasures Coffs Harbour has to offer.

The worst time to visit Coffs Harbour

February seems to be the least advantageous month to visit Coffs Harbour, despite having a high temperature between 20.1°C (68.2°F) to 26.3°C (79.3°F). The reasons include the highest rainfall of 110mm (4.33") along with 19.1 days of expected rainfall, potentially disrupting outdoor activities. Despite having one of the highest sea temperatures at 26°C (78.8°F), the wet weather may detract from the enjoyment of water-based activities.

Spring weather in Coffs Harbour

Spring season in the months of September, October and November in Coffs Harbour signals a relief from the comparative chill of winter. The temperature begins to climb, ranging from approximately 13.4°C (56.1°F) to 25.1°C (77.2°F). Rainfall stays relatively low, especially during September and October, while November sees a slight increase. The average daylight span of 11.9h in September extends to roughly 13.6h in November, providing lots of time for outdoor enjoyment.

Summer weather in Coffs Harbour

Summer months of December, January and February bring the highest temperatures in Coffs Harbour, ranging from 18.8°C (65.8°F) to 27.2°C (81°F). However, these months also involve significant rainfall, with February experiencing the highest precipitation of 110mm (4.33"). The sea temperature peaks at 26°C (78.8°F) making it ideal for water activities, even as the rainfall might prove disruptive at times.

Autumn weather in Coffs Harbour

Autumn in Coffs Harbour, namely March, April and May, is characterized by a gradual drop in temperature from 19.2°C (66.6°F) to 13.8°C (56.8°F). Rainfall begins with a peak in March at 101mm (3.98"), then substantially decreases over April and May. Daylight duration decreases from 12.3h in March to roughly 10.6h by May. Despite the shorter days and cooler temperatures, this time of year provides moderately favorable weather condition for a visit.

Winter weather in Coffs Harbour

Winter months of June, July and August mark the lowest temperatures of the year in Coffs Harbour, falling from 12.1°C (53.8°F) in June to 11.1°C (52°F) in July and then slightly rising to 11.3°C (52.3°F) in August. This period also witnesses the lowest rainfall, particularly in July and August. However, daylight hours are few, with June having the shortest daylight span of the year at 10.2h. Despite the cooler weather and reduced sunlight, winter brings its own quiet charm to Coffs Harbour.

Weather in January

Predictably, January establishes the year with a humid climate in Coffs Harbour, Australia, where the weather depiction comprises of a clash between high temperatures and high humidity levels. This month records the highest sea temperatures, creating suitable conditions for aquatic adventures. Weather in January »

Weather in February

Following on, February in Coffs Harbour continues to maintain relatively high temperatures and relatively high humidity levels. At this point, the year shifts into its wettest season, where rainfall measures an average of 110mm (4.33") throughout the month. Weather in February »

Weather in March

The city's dry summer attempts to linger into March, though a slight cooling trend begins to take precedence. With an average of 22.5 rainy days, this third month of the year provides a bridge transitioning from Coffs Harbour's typically dry summer conditions to a more mild and wet autumn. Weather in March »

Weather in April

April further demonstrates this cooling and drying trend, with the locals beginning to unpack their winter clothes in anticipation of the lowering temperatures. The rainfall, though still present, eases off this month garnering total precipitation of about 64mm (2.52"). Weather in April »

Weather in May

With the transition from autumn into the beginnings of winter, May sees further decreases in temperature and humidity levels. The rainfall drops notably in this month, averaging only 46mm (1.81") across the period and often making this a preferred month for those who wish to avoid heavy rainfall. Weather in May »

Weather in June

Throughout June, both residents and visitors in Coffs Harbour should note a considerable chill in the air, as temperatures continue to decrease. The month sees the annual minimum sea temperature, reaching as low as 21°C (69.8°F). Weather in June »

Weather in July

In July, Coffs Harbour officially steps into its winter season, with the weather continuing to cool and dry. The month is characterized by its lowest rainfall, recording a mere 37mm (1.46") throughout. This weather condition might not bode well for beach side activities, however, it does enhance the appeal of inland attractions, viewing wildlife, and exploring local terrains. Weather in July »

Weather in August

The weather starts its thaw in August with a noticeable creep upward in the temperature scale and a drop off in the city's humidity levels. With cloud cover percentage at its lowest, roughly 21%, the city experiences clearer skies. Weather in August »

Weather in September

September in Coffs Harbour signifies the advent of spring, as temperatures and overall conditions start to transition towards summer-like characteristics. Despite its sunny disposition, the month records the lowest rainfall quantity, with a measured average of only 26mm (1.02") precipitation. Weather in September »

Weather in October

October's weather builds upon the warmth developing since September and invites an increase in outdoor activities. The months display a wind surge, with gusts clocking in at a high of 20.1km/h (12.5mph). The buzz of activity extends from the land to the sea, as aquatic life also reinvigorates in response to temperate waters. Weather in October »

Weather in November

November in Coffs Harbour presents a climate leaning strongly towards summery conditions. While the days are perfectly crafted for beach picnics and sunbathing, it is worth noting the slight visibility reduction, dropping to 9km (5.6mi). Weather in November »

Weather in December

December rounds off the year in Coffs Harbour, blending a high heat index with moderate rainfall. On the contrary, the city's atmospheric pressure measures in at its lowest point during the year, averaging 1013.7mb. Coupled with warm days and decorated Christmas trees, Coffs Harbour celebrates the holiday season with a unique summer-styled Christmas, where an afternoon dip in the ocean concludes a truly memorable year. The ushering in of December in Coffs Harbour brings an average high-temperature of a still warm 26.1°C (79°F), closely mirroring the 25.1°C (77.2°F) of November. Weather in December »

Frequently asked questions

What time of the year is the hottest in Coffs Harbour?

In Coffs Harbour, January is the warmest month, with temperatures averaging a high of 27.2°C (81°F) and a low of 20.4°C (68.7°F).

How much does it rain in Coffs Harbour?

Throughout the year, in Coffs Harbour, Australia, there are 195.1 rainfall days, and 804mm (31.65") of precipitation is accumulated.

What are the months with the highest UV index in Coffs Harbour?

The months with the highest UV index in Coffs Harbour are January, February, November and December, with an average maximum UV index of 6.

What is the rainiest month in Coffs Harbour?

February is the month with the most rainfall in Coffs Harbour, Australia. Rain falls for 19.1 days and accumulates 110mm (4.33") of precipitation.

When is the sea warmest in Coffs Harbour?

With an average sea temperature of 26°C (78.8°F), February is the month with the warmest seawater.

What is the most humid month in Coffs Harbour?

With an average relative humidity of 79%, March is the most humid month.

When is Daylight Saving Time (DST) in Coffs Harbour?

On Sunday, 07. April 2024, at 3:00 am, Daylight Saving Time ends, and the time zone changes from AEDT to AEST. The next Daylight Saving Time starts on Sunday, 06. October 2024, at 2:00 am, and the time zone reverts from AEST to AEDT.

What is the month with the shortest days in Coffs Harbour?

June has the shortest days of the year, with an average of 10h and 12min of daylight.

What is the month with the least sunshine in Coffs Harbour?

The month with the least sunshine in Coffs Harbour is June, with an average of 6h of sunshine.

What is the month with the lowest UV index in Coffs Harbour?

June and July, with an average maximum UV index of 4, are months with the lowest UV index in Coffs Harbour, Australia.

What time of the year is the coldest in Coffs Harbour?

July is the coldest month, with the temperature often reaching an average high of 17.8°C (64°F) and an average low of 11.1°C (52°F).

What is the least humid month in Coffs Harbour?

August is the least humid month in Coffs Harbour, Australia, with an average relative humidity of 68%.

What is the month with the coldest sea water in Coffs Harbour?

With an average sea temperature of 20°C (68°F), August is the month with the coldest seawater in Coffs Harbour, Australia.

What is the driest month in Coffs Harbour?

The month with the least rainfall in Coffs Harbour, Australia, is September, when the rain falls for 10.9 days and typically collects 26mm (1.02") of precipitation.

What month has the most sunshine in Coffs Harbour?

The month with the most sunshine is November, with an average of 10.1h of sunshine.

When are the longest days in Coffs Harbour?

With an average of 14h and 6min of daylight, December has the longest days of the year.

Average temperature
Coffs Harbour, Australia

Average temperature - Coffs Harbour, Australia

The warmest month (with the highest average high temperature) is January (27.2°C).
The month with the lowest average high temperature is July (17.8°C).

The month with the highest average low temperature is January (20.4°C).
The coldest month (with the lowest average low temperature) is July (11.1°C).

Average pressure
Coffs Harbour, Australia

Average pressure - Coffs Harbour, Australia

The month with the highest atmospheric pressure is July (1020.7mbar).
The month with the lowest atmospheric pressure is January (1013mbar).

Average wind speed
Coffs Harbour, Australia

Average wind speed - Coffs Harbour, Australia

The windiest month (with the highest average wind speed) is January (13.2km/h).
The calmest months (with the lowest average wind speed) are April and May (11.6km/h).

Average humidity
Coffs Harbour, Australia

Average humidity - Coffs Harbour, Australia

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is August (68%).

Average rainfall
Coffs Harbour, Australia

Average rainfall - Coffs Harbour, Australia

The wettest month (with the highest rainfall) is February (110mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days
Coffs Harbour, Australia

Average rainfall days - Coffs Harbour, Australia

The month with the highest number of rainy days is March (22.5 days).
The month with the least rainy days is August (10.3 days).

Average sea temperature
Coffs Harbour, Australia

Average sea temperature - Coffs Harbour, Australia

The best month for swimming (with the highest average sea temperature) is February (26°C).
The coldest month (with the lowest average sea temperature) is August (20°C).

Average daylight / Average sunshine
Coffs Harbour, Australia

Average daylight / Average sunshine - Coffs Harbour, Australia

The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).

The month with the most sunshine is November (Average sunshine: 10h and 6min).
The month with the least sunshine is June (Average sunshine: 6h and 0min).

Average sunshine days
Coffs Harbour, Australia

Average sunshine days - Coffs Harbour, Australia

The month with the most sunshine days is August (17.4 days).
The month with the least sunshine days is March (5.4 days).

Average UV index
Coffs Harbour, Australia

Average UV index - Coffs Harbour, Australia

The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are June and July (UV index 4).

Average cloud cover
Coffs Harbour, Australia

Average cloud cover - Coffs Harbour, Australia

The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 21).

Average visibility
Coffs Harbour, Australia

Average visibility - Coffs Harbour, Australia

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (10km).
The month with the lowest visibility is November (9km).

Coffs Harbour, Australia

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