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May Weather in Honiara, Solomon Islands

Last updated: August 31, 2025

In Honiara, Solomon Islands, the average temperature in May hovers around 25°C (78°F), creating a pleasantly warm atmosphere. Expect temperatures to range from a minimum of 23°C (74°F) to a maximum of 28°C (83°F). With an average humidity of 76%, preparation for a bit of stickiness might be wise. However, be ready for some rain; there’s typically 278 mm (10.9 in) of precipitation spread over 28 days, adding a refreshing touch to the vibrant landscape.

May Temperature in Honiara

In May in Honiara, the average temperature is 25°C (78°F). Maximum temperatures can reach 28°C (83°F), while minimums can drop to as low as 23°C (74°F). This pleasant climate makes it an ideal destination for outdoor activities and exploration.

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

The chart illustrates May 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, May 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 (74°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.

May Precipitation in Honiara

In Honiara in May, the precipitation amount is 278 mm (10.9 in) spread over 28 days.

May Precipitation Trends in Honiara

The chart displays monthly precipitation patterns in Honiara, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Honiara, May typically receives around 278 mm (10.9 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec352422420376278212267232318301377443
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Honiara

In Honiara in May 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.

May Average Humidity in Honiara

This chart illustrates the average monthly humidity levels in Honiara, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Honiara

In Honiara in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Honiara.

Maximum UV Index Levels in Honiara for May

The chart shows the monthly maximum UV Index (UVI) for Honiara in May, 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 May, the maximum UV index in Honiara typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161616151210121415151515
Data source: Honiara May 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 May 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 May’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 May’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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