| < May >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Average Sea or Water Temp
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- The average sea tempeature is 28 °C (82.4 °F).
- The average temperature in Apia, Upolu in May is hot at 26 °C (78.8 °F).
- Afternoons can be very hot with average high temperatures reaching 29 °C (84.2 °F).
- Overnight temperatures are generally fairly hot with an average low of 23 °C (73.4 °F).
- The average diurnal temperature variation/ range in May is 6 °C (10.8 °F).
- The weather in May is slightly wettish with rain occasionally. Around 160mm (6.3in) of H2O is transfered across an average of 12 days.
- The skies in Apia, Upolu are a little sunny having an average of a welcome 7:17 of radiant solar radiation per day.
- The shortest day is 11:21 long and the longest day is 11:37 long with an average length of 11:28.
- There are approximately 4:04 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 64.2% of daylight hours and cloudy 35.8% of daylight hours.
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Weather Trend Graph for May in Apia, Upolu, Samoa
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