Climate and monthly weather forecastCoffs Harbour, Australia
Climate and monthly weather forecast
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 »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 in January:
1013mbar - Average pressure in February:
1014.1mbar - Average pressure in March:
1016.5mbar - Average pressure in April:
1018.7mbar - Average pressure in May:
1020mbar - Average pressure in June:
1020.4mbar
- Average pressure in July:
1020.7mbar - Average pressure in August:
1018.6mbar - Average pressure in September:
1018mbar - Average pressure in October:
1018mbar - Average pressure in November:
1015.1mbar - Average pressure in December:
1013.7mbar
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 in January:
13.2km/h - Average wind speed in February:
12.5km/h - Average wind speed in March:
11.8km/h - Average wind speed in April:
11.6km/h - Average wind speed in May:
11.6km/h - Average wind speed in June:
12.5km/h
- Average wind speed in July:
12.3km/h - Average wind speed in August:
11.9km/h - Average wind speed in September:
12.5km/h - Average wind speed in October:
13.1km/h - Average wind speed in November:
12.9km/h - Average wind speed in December:
13.1km/h
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
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 in January:
86mm - Average rainfall in February:
110mm - Average rainfall in March:
101mm - Average rainfall in April:
64mm - Average rainfall in May:
46mm - Average rainfall in June:
82mm
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 in January:
17.8 days - Average rainfall days in February:
19.1 days - Average rainfall days in March:
22.5 days - Average rainfall days in April:
19.3 days - Average rainfall days in May:
14.8 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
12.7 days - Average rainfall days in August:
10.3 days - Average rainfall days in September:
10.9 days - Average rainfall days in October:
16.3 days - Average rainfall days in November:
17.6 days - Average rainfall days in December:
17.9 days
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
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 in January:
13h and 48min - Average daylight in February:
13h and 12min - Average daylight in March:
12h and 18min - Average daylight in April:
11h and 24min - Average daylight in May:
10h and 36min - Average daylight in June:
10h and 12min
- Average daylight in July:
10h and 24min - Average daylight in August:
11h and 0min - Average daylight in September:
11h and 54min - Average daylight in October:
12h and 48min - Average daylight in November:
13h and 36min - Average daylight in December:
14h and 6min
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).
- Average sunshine in January:
8h and 54min - Average sunshine in February:
7h and 36min - Average sunshine in March:
7h and 36min - Average sunshine in April:
8h and 12min - Average sunshine in May:
7h and 36min - Average sunshine in June:
6h and 0min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
8h and 48min - Average sunshine in September:
8h and 54min - Average sunshine in October:
8h and 24min - Average sunshine in November:
10h and 6min - Average sunshine in December:
9h and 54min
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 in January:
10 days - Average sunshine days in February:
6.4 days - Average sunshine days in March:
5.4 days - Average sunshine days in April:
8.2 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
15.7 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
15.7 days - Average sunshine days in October:
11.8 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
9.6 days
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
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
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
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).





