Sideia Weather in January
January in Sideia brings high temperatures, with highs of 30°C (86°F) and nights dropping to 26°C (79°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.
Rainfall in Sideia in January
Sideia is in the rainy season in January, with rain on around 20 days and an average of 189 mm (7.4 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Sideia in January
In January, expect high temperatures in Sideia, with highs of 30°C (86°F) and lows of 26°C (79°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Average water temperature in January
At 29°C (84°F), the water is very warm — more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.Our weather planner can help you find worldwide destinations with pleasant weather during this period. November and December typically offer the best weather for Sideia.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Sideia's climate page.
Sideia Temperature in January
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F)
Chance of Rain
67%
Precipitation
189 mm (7.4 in)
Rainy days
20 days
Humidity
75%
Historical weather for Sideia in January
Browse day-by-day weather records for Sideia spanning 26 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sideia historical weather extremes in January
Based on weather observations in Sideia between 2006 and 2025, these are the recorded extremes during January.
- Sideia recorded its highest January temperature of 36°C (97°F) on January 15, 2018.
- The coldest January day was on January 9, 2022, with a maximum of 27°C (81°F).
- Sideia registered its coldest January night on January 16, 2022, with temperatures dropping to 23°C (73°F).
- Peak precipitation in January occurred on January 9, 2022, when 119 mm (4.7 in) of precipitation was measured.
Best Places in Papua New Guinea in January
Find out more about the weather in Papua New Guinea and which places have the best travel conditions in this month. See all of Papua New Guinea in January →
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What to Wear in Sideia in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off.What To Do in Sideia in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Sideia's climate page.
Temperature Rainfall Humidity Water Temp
See the full Sideia climate overview or explore weather in Papua New Guinea.
