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March Weather in Honiara, Solomon Islands

Last updated: August 31, 2025

In Honiara, Solomon Islands, the average temperature in March reaches a pleasant 25°C (78°F). Daily temperatures can vary, with a minimum of 23°C (73°F) and a maximum of 28°C (83°F). However, be prepared for the weather, as precipitation amounts to 420 mm (16.5 in) over 29 days, accompanied by an average humidity level of 76%.

March Temperature in Honiara

In March in Honiara, the average temperature is 25°C (78°F). Maximums can reach 28°C (83°F), while minimums can drop as low as 23°C (73°F). This pleasant weather makes it an ideal time for travelers to explore the area and enjoy outdoor activities.

March Weather in Honiara: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Honiara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Honiara, March typically has an average temperature of 25°C (78°F), with highs reaching up to 28°C (83°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec787777777777777777777777
Data source: Temperature data for Honiara generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Honiara

In Honiara in March, the precipitation amount is 420 mm (16.5 in) spread over 29 days.

March Precipitation Trends in Honiara

The chart displays monthly precipitation patterns in Honiara, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Honiara, March typically receives around 420 mm (16.5 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec352422420376278212267232318301377443
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Honiara

In Honiara in March humidity is 76%. With an average temperature of 25°C (78°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick, causing travelers to seek shade and refreshment more often.

March Average Humidity in Honiara

This chart illustrates the average monthly humidity levels in Honiara, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Honiara is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%76%76%77%76%80%83%83%83%84%81%78%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Honiara

In Honiara in March, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Honiara.

Maximum UV Index Levels in Honiara for March

The chart shows the monthly maximum UV Index (UVI) for Honiara in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in Honiara typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161616151210121415151515
Data source: Honiara March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How March Weather in Honiara Compares to Other Months

Weather in Honiara varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Honiara, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Honiara, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)352 mm (13.9 inches)78%extreme
February Weather25°C (78°F)422 mm (16.6 inches)76%extreme
March Weather25°C (78°F)420 mm (16.5 inches)76%extreme
April Weather25°C (77°F)376 mm (14.8 inches)76%extreme
May Weather25°C (78°F)278 mm (10.9 inches)76%extreme
June Weather25°C (77°F)212 mm (8.4 inches)80%very high
July Weather25°C (77°F)267 mm (10.5 inches)83%extreme
August Weather25°C (77°F)232 mm (9.1 inches)83%extreme
September Weather25°C (77°F)318 mm (12.5 inches)83%extreme
October Weather25°C (77°F)301 mm (11.8 inches)84%extreme
November Weather25°C (77°F)377 mm (14.8 inches)81%extreme
December Weather25°C (78°F)443 mm (17.4 inches)78%extreme

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