May weather forecast
Honiara, Solomon Islands

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A tropical white sand beach in Honiara, in the glorious Solomon Islands, with palm trees and shrubs along the edge
A tropical white sand beach in Honiara, in the glorious Solomon Islands, with palm trees and shrubs along the edge

Weather in May

May in Honiara sees further reduction in rainfall, signifying a shift in the weather pattern. Temperatures remain within a comfortable range, supplementing the island's exotic charm. A gradual decrease in daily rainfall from April to 165mm (6.5") gives way to increased outdoor opportunities. The relative humidity dips slightly, reducing the overall warmth of the environment. The sea temperature starts to cool, yet continues to remain conducive for marine adventures.

Temperature

The introduction of May notes a subtle temperature variation to a still warm 28.8°C (83.8°F) from April's 29°C (84.2°F). The nights of May are characterized by an average low-temperature of 24.1°C (75.4°F), subtly descending from daytime highs.

Heat index

Throughout May, the heat index is computed to be a torrid 35°C (95°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Factoring in the heat index, values are geared towards shaded areas with light breezes. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'real feel', unifies temperature and humidity readings to offer a comprehensive feel of warmth. The influence of weather is personal, with varied individuals experiencing it differently due to differences in body mass, stature, and physical exertion levels. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. As the body accumulates more heat than it can release, body temperature goes up, increasing the risk of heat-related health issues.

Humidity

In Honiara, the average relative humidity in May is 84%.

Rainfall

In Honiara, in May, it is raining for 28 days, with typically 165mm (6.5") of accumulated precipitation. In Honiara, during the entire year, the rain falls for 327.8 days and collects up to 2474mm (97.4") of precipitation.

Sea temperature

In Honiara, in May, the average water temperature is 29.8°C (85.6°F).
Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.

Daylight

The average length of the day in May is 11h and 41min.
On the first day of the month, sunrise is at 06:23 and sunset at 18:10. On the last day of May, sunrise is at 06:29 and sunset at 18:06 +11.

Sunshine

In May, the average sunshine is 8.2h.

UV index

April, May, July and September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 7 during May translates into the following recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be on guard! The reflective nature of sand and water boosts UV exposure.

Frequently asked questions

How hot is it in May?

In May, the average high-temperature and low-temperature in Honiara are 28.8°C (83.8°F) and 24.1°C (75.4°F) respectively. In May, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 35°C (95°F).

What is the average humidity in May?

The average relative humidity in May is 84%.

How much does it rain in May?

In Honiara, in May, it is raining for 28 days, with typically 165mm (6.5") of accumulated precipitation.

What is the sea water temperature in May?

In May, the average sea temperature is 29.8°C (85.6°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Honiara have in May?

In May, the average day length is 11h and 41min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 06:23 and sunset at 18:10. On the last day of the month, sunrise is at 06:29 and sunset at 18:06 +11.

How long on average sun shines in May?

In Honiara, the average sunshine duration in May is 8.2h.

When is the highest UV index in Honiara?

April, May, July and September, with an average maximum UV index of 7, are months with the highest UV index.

What is the UV index reading in May?

The average daily maximum UV index in May is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to Sun's UV rays.

Average temperature in May
Honiara, Solomon Islands

Average temperature in May - Honiara, Solomon Islands
  • Average high temperature in May: 28.8°C

The warmest month (with the highest average high temperature) is December (29.3°C).
The month with the lowest average high temperature is July (27.8°C).

  • Average low temperature in May: 24.1°C

The month with the highest average low temperature is January (24.2°C).
The coldest months (with the lowest average low temperature) are August and September (23.4°C).

Average pressure in May
Honiara, Solomon Islands

Average pressure in May - Honiara, Solomon Islands
  • Average pressure in May: 1009.7mbar

The month with the highest atmospheric pressure is August (1010.5mbar).
The month with the lowest atmospheric pressure is January (1006.9mbar).

Average wind speed in May
Honiara, Solomon Islands

Average wind speed in May - Honiara, Solomon Islands
  • Average wind speed in May: 7.8km/h

The windiest month (with the highest average wind speed) is July (11.3km/h).
The calmest month (with the lowest average wind speed) is December (6km/h).

Average humidity in May
Honiara, Solomon Islands

Average humidity in May - Honiara, Solomon Islands
  • Average humidity in May: 84%

The months with the highest relative humidity are January, March and April (85%).
The months with the lowest relative humidity are August, September, October and November (83%).

Average rainfall in May
Honiara, Solomon Islands

Average rainfall in May - Honiara, Solomon Islands
  • Average rainfall in May: 165mm

The wettest months (with the highest rainfall) are March and December (299mm).
The driest month (with the least rainfall) is June (125mm).

Average rainfall days in May
Honiara, Solomon Islands

Average rainfall days in May - Honiara, Solomon Islands
  • Average rainfall days in May: 28 days

The months with the highest number of rainy days are January, March and December (29.3 days).
The month with the least rainy days is August (24.3 days).

Average sea temperature in May
Honiara, Solomon Islands

Average sea temperature in May - Honiara, Solomon Islands
  • Average sea temperature in May: 29.8°C

The best month for swimming (with the highest average sea temperature) is April (30.3°C).
The coldest month (with the lowest average sea temperature) is August (28.6°C).

Average daylight in May /
Average sunshine in May
Honiara, Solomon Islands

Average daylight in May / Average sunshine in May - Honiara, Solomon Islands
  • Average daylight in May: 11h and 4min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in May: 8h and 1min

The month with the most sunshine is November (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

Average sunshine days in May
Honiara, Solomon Islands

Average sunshine days in May - Honiara, Solomon Islands
  • Average sunshine days in May: 1.6 days

The month with the most sunshine days is August (4 days).
The month with the least sunshine days is January (0.3 days).

Average UV index in May
Honiara, Solomon Islands

Average UV index in May - Honiara, Solomon Islands
  • Average UV index in May: 7

The months with the highest UV index are April, May, July and September (UV index 7).
The months with the lowest UV index are January, February, March, June, August, October, November and December (UV index 6).

Average cloud cover in May
Honiara, Solomon Islands

Average cloud cover in May - Honiara, Solomon Islands
  • Average cloud cover in May: 41

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 41).

Average visibility in May
Honiara, Solomon Islands

Average visibility in May - Honiara, Solomon Islands
  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

Honiara, Solomon Islands

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