An alternative way to discover Sydney
We have made an overview of the sights in Sydney that you must see if you want to visit Sydney in an alternative way.
Sideia Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sideia.
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Climate overview of Sideia
The climate in Sideia, Papua New Guinea, is remarkably consistent, with temperatures year-round averaging 28°C (82°F). The warmest month is February at 30°C (86°F), and the coolest is August at 27°C (81°F).
The city has a wet climate, receiving around 2500 mm (98 in) of rainfall per year. April is the wettest month.
Sideia Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sideia - and find the best time to visit.
Monthly Temperature in Sideia
In Sideia temperatures are generally consistent throughout the year. On average, daytime temperatures range from a very warm 30°C (86°F) in February to a comfortable 27°C (81°F) in August.
Nighttime temperatures range from 26°C (79°F) in February to 24°C (75°F) in August.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sideia
Sideia experiences significant rainfall throughout the year, averaging 2500 mm (98 in) of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, April, sees around 279 mm (11 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, December, still receives a respectable 141 mm (5.6 in) of rainfall. For more details, please visit our Sideia Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Water Temperature in Sideia
The mean water temperature over the year ranges from 26°C (79°F) in July to 29°C (84°F) in January.
Water temperature over the year
Humidity in Sideia by Month
The relative humidity is high throughout the year in Sideia.
The city experiences its highest humidity in June, reaching 84%. In January, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Sideia
The most comfortable overall weather for exploring Sideia is usually found in November and December. Conditions are generally least comfortable in January, February, March, April and May.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
wet
Feb
very wet
Mar
very wet
Apr
very wet
May
very wet
Jun
mixed
Jul
good
Aug
good
Sep
good
Oct
good
Nov
very good
Dec
very good
- Best overall: November and December
- Warmest weather: January, February, March, April, November and December
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
Frequently asked questions about the climate in Sideia
What is the best time to visit Sideia?
November and December typically offer the most optimal weather in Sideia. In contrast, January, February, March, April and May tend to have less optimal conditions.
What temperatures can I expect in Sideia?
Daytime highs range from 27°C (81°F) in August to 30°C (86°F) in February. Nighttime lows range from 24°C (75°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Sideia get?
Annual rainfall is around 2500 mm (98 in). April is the wettest month with 279 mm (11 in), while December is the driest with 141 mm (5.6 in).
Sideia 3-Day Forecast
Sideia on the map
Sideia is highlighted - select any city to see its climate.
Popular in September
Where to go in September - average daytime high across popular destinations.
Rabaul
29°C (84°F) Madang30°C (86°F) Port Moresby
30°C (86°F) Kokopo29°C (84°F) Alotau28°C (82°F) Lae27°C (81°F) Goroka24°C (75°F) Mount Hagen22°C (72°F) Bucket list
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