May weather forecastVaini, Tonga
May
Weather in May
May leads the charge into the mid-year, with significant dips in temperature ranges. The 7.4 hours of sunshine linger, casting a warm glow over the city despite the falling mercury levels. A sense of tranquility spreads, as cooler currents of wind carry light whispers of the sea. May is a comfortable respite from the searing tropical heat. Visitors and residents enjoy pleasant evenings, signifying the arrival of a relatively milder period.Temperature
The transition into May is marked with an average high-temperature of a still moderately hot 25.2°C (77.4°F), showing an insignificant shift from April's 26.2°C (79.2°F). During May, Vaini's nights hold steady with an average temperature of 23.9°C (75°F), barely dropping from the daytime highs.Humidity
In May, the average relative humidity in Vaini, Tonga, is 77%.Rainfall
In Vaini, in May, during 13 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Vaini, during the entire year, the rain falls for 193.9 days and collects up to 991mm (39.02") of precipitation.Daylight
The average length of the day in May is 11h and 6min.On the first day of the month, sunrise is at 06:58 and sunset at 18:16. On the last day of May, sunrise is at 07:10 and sunset at 18:06 +13.
Sunshine
In May, the average sunshine in Vaini is 7.4h.UV index
April through December, with an average maximum UV index of 6, are months with the lowest UV index in Vaini. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 6 in May leads to these recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vaini, Tonga
- Average high temperature in May: 25.2°C
The warmest month (with the highest average high temperature) is February (27.5°C).
The month with the lowest average high temperature is September (22.9°C).
- Average low temperature in May: 23.9°C
The month with the highest average low temperature is February (26.7°C).
The coldest month (with the lowest average low temperature) is August (21.6°C).
Average pressure in May
Vaini, Tonga
- Average pressure in May: 1014.2mbar
The months with the highest atmospheric pressure are August and September (1016.2mbar).
The months with the lowest atmospheric pressure are January and February (1008.6mbar).
Average wind speed in May
Vaini, Tonga
- Average wind speed in May: 25.5km/h
The windiest month (with the highest average wind speed) is July (25.6km/h).
The calmest month (with the lowest average wind speed) is January (23.3km/h).
Average humidity in May
Vaini, Tonga
- Average humidity in May: 77%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (75%).
Average rainfall in May
Vaini, Tonga
- Average rainfall in May: 59mm
The wettest month (with the highest rainfall) is February (163mm).
The driest month (with the least rainfall) is October (36mm).
Average rainfall days in May
Vaini, Tonga
- Average rainfall days in May: 13 days
The month with the highest number of rainy days is February (22.7 days).
The month with the least rainy days is October (12.9 days).
Average daylight in May /
Average sunshine in May
Vaini, Tonga
- Average daylight in May: 11h and 6min
The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).
- Average sunshine in May: 7h and 24min
The month with the most sunshine is November (Average sunshine: 8h and 54min).
The month with the least sunshine is August (Average sunshine: 6h and 48min).
Average sunshine days in May
Vaini, Tonga
- Average sunshine days in May: 15.1 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is February (3.8 days).
Average UV index in May
Vaini, Tonga
- Average UV index in May: 6
The months with the highest UV index are January, February and March (UV index 7).
The months with the lowest UV index are April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in May
Vaini, Tonga
- Average cloud cover in May: 46
The month with the most cloud cover is August (Cloud cover 51).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in May
Vaini, Tonga
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
