January weather forecast
Rennell Island, Solomon Islands

Rennell Island's weather in January is characterized by a high level of humidity due to the substantial amount of rainfall, which totals to 294mm (11.57"). It's worth noting that the overall climate is quite balmy, with steady tropical temperatures, encouraging flourishing flora on the island. The long daylight hours complement the warm weather, making January an ideal time for outdoor activities, despite frequent showers. Sea temperature remains pleasantly warm, ideal for water activities. Notably, the UV index is at its peak, necessitating ample sun protection.

Temperature

January, February, October and November represent the warmest period, with an average high-temperature of 31°C (87.8°F).

Rainfall

In Rennell Island, in January, during 19 rainfall days, 294mm (11.57") of precipitation is typically accumulated. Throughout the year, there are 196 rainfall days, and 2764mm (108.82") of precipitation is accumulated.

Sea temperature

The months with the warmest seawater are January and February, with an average sea temperature of 30°C (86°F).
Note: Swimming in waters heated beyond 30°C (86°F) can arguably feel less refreshing.

Daylight

In Rennell Island, the average length of the day in January is 12h and 43min.
On the first day of the month, sunrise is at 05:59 and sunset at 18:46. On the last day of January, sunrise is at 06:14 and sunset at 18:51 +11.

Sunshine

The months with the least sunshine are January through July, September and December, with an average of 6h of sunshine.

UV index

The months with the highest UV index are January through April, September through December, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an extreme threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 12 suggests this advice:
Employ every precaution of importance, unprotected skin and eyes could burn within moments. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Applying and reapplying a broad-spectrum sunscreen with a minimum SPF 30 after every two hours, outdoor workout, or swim is recommended. Alert! The Sun's UV rays are heightened by the reflection of sand and water.