Weather in January
Temperature
Lowest temperatures are observed in January through August, November and December, averaging a high-temperature of 31°C (87.8°F).Rainfall
In January, in Rabaul, the rain falls for 22 days. Throughout January, 230mm (9.06") of precipitation is accumulated. Throughout the year, there are 248 rainfall days, and 2022mm (79.61") of precipitation is accumulated.Sea temperature
In Rabaul, in January, the average water temperature is 29.9°C (85.8°F).Note: For water activities like swimming, diving, and more, temperatures ranging between 25°C (77°F) and 29°C (84.2°F) offer superior comfort and enjoyment for lengthy durations.
Daylight
The average length of the day in January in Rabaul is 12h and 20min.On the first day of January in Rabaul, sunrise is at 05:43 and sunset at 18:05. On the last day of the month, sunrise is at 05:55 and sunset at 18:13 +10.
Sunshine
January, March through June, August through November, with an average of 6h of sunshine, are months with the most sunshine.UV index
January through May, August through December, with an average maximum UV index of 12, are months with the highest UV index in Rabaul. A UV Index estimate of 11, and higher, represents an extreme health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 12 in January suggests the following recommendations:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Following every swim or outdoor workout, a sunscreen with an SPF of not less than 30 should be liberally applied and re-applied frequently, even on overcast days. Be mindful! Sand and water reflections can up the Sun's UV exposure.
Frequently asked questions
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What time are sunrise and sunset in January in Rabaul?
What is the month with the most sunshine in Rabaul?
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When is the highest UV index in Rabaul?
How high is the UV index in January in Rabaul?
Average temperature in January
Rabaul, Papua New Guinea
- Average high temperature in January: 31°C
The warmest months (with the highest average high temperature) are September and October (32°C).
The months with the lowest average high temperature are January, February, March, April, May, June, July, August, November and December (31°C).
- Average low temperature in January: 23°C
The months with the highest average low temperature are January, February, March, April, May, June, July, August, September, October, November and December (23°C).
The coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August, September, October, November and December (23°C).
Average rainfall in January
Rabaul, Papua New Guinea
- Average rainfall in January: 230mm
The wettest month (with the highest rainfall) is March (257mm).
The driest month (with the least rainfall) is September (91mm).
Average rainfall days in January
Rabaul, Papua New Guinea
- Average rainfall days in January: 22 days
The months with the highest number of rainy days are January, March and April (22 days).
The months with the least rainy days are June, August and September (19 days).
Average sea temperature in January
Rabaul, Papua New Guinea
- Average sea temperature in January: 29.9°C
The best months for swimming (with the highest average sea temperature) are November and December (30.3°C).
The coldest month (with the lowest average sea temperature) is August (29.1°C).
Average daylight in January /
Average sunshine in January
Rabaul, Papua New Guinea
- Average daylight in January: 12h and 2min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in January: 6h
The months with the most sunshine are January, March, April, May, June, August, September, October and November (Average sunshine: 6h).
The months with the least sunshine are February, July and December (Average sunshine: 5h).
Average UV index in January
Rabaul, Papua New Guinea
- Average UV index in January: 12
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 11).
Rabaul, Papua New Guinea
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