Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average sea temperature in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The shift to May signals an average high-temperature of a refreshing 19.7°C (67.5°F), subtly varied from April's 22.6°C (72.7°F). May nights cool down to an average low-temperature of 12.7°C (54.9°F).Humidity
In May, the average relative humidity in Greenwich is 70%.Rainfall
In Greenwich, during May, the rain falls for 11.6 days and regularly aggregates up to 44mm (1.73") of precipitation. Throughout the year, in Greenwich, there are 169 rainfall days, and 647mm (25.47") of precipitation is accumulated.Sea temperature
In Greenwich, the average seawater temperature in May is 20.8°C (69.4°F).Note: The majority of individuals find swimming in 20.8°C (69.4°F) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Greenwich, the average length of the day in May is 10h and 23min.On the first day of the month, sunrise is at 6:29 am and sunset at 5:14 pm. On the last day of May, sunrise is at 6:51 am and sunset at 4:54 pm AEST.
Sunshine
The average sunshine in May is 7.7h.UV index
May through September, with an average maximum UV index of 4, are months with the lowest UV index in Greenwich. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The solar radiation around mid-day is intense; avoid the Sun and stay safe. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Frequently asked questions
What are the temperatures in Greenwich in May?
What is the average humidity in May in Greenwich?
How much does it rain in Greenwich in May?
What is the sea water temperature in May in Greenwich?
How many hours of daylight does Greenwich have in May?
When are sunrise and sunset in May in Greenwich?
How long on average sun shines in May in Greenwich?
What are the months with the lowest UV index in Greenwich?
How high is the UV index in May in Greenwich?
Average temperature in May
Greenwich, Australia
- Average high temperature in May: 19.7°C
The warmest month (with the highest average high temperature) is January (27.3°C).
The month with the lowest average high temperature is July (16.6°C).
- Average low temperature in May: 12.7°C
The month with the highest average low temperature is January (19.8°C).
The coldest month (with the lowest average low temperature) is July (9.7°C).
Average pressure in May
Greenwich, Australia
- Average pressure in May: 1020.1mbar
The month with the highest atmospheric pressure is June (1020.9mbar).
The month with the lowest atmospheric pressure is January (1012.9mbar).
Average wind speed in May
Greenwich, Australia
- Average wind speed in May: 12.8km/h
The windiest months (with the highest average wind speed) are January and August (14km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).
Average humidity in May
Greenwich, Australia
- Average humidity in May: 70%
The month with the highest relative humidity is February (75%).
The months with the lowest relative humidity are August and September (66%).
Average rainfall in May
Greenwich, Australia
- Average rainfall in May: 44mm
The wettest month (with the highest rainfall) is February (92mm).
The driest month (with the least rainfall) is September (35mm).
Average rainfall days in May
Greenwich, Australia
- Average rainfall days in May: 11.6 days
The month with the highest number of rainy days is March (18.8 days).
The month with the least rainy days is August (10.1 days).
Average sea temperature in May
Greenwich, Australia
- Average sea temperature in May: 20.8°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).
Average daylight in May /
Average sunshine in May
Greenwich, Australia
- Average daylight in May: 10h and 2min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in May: 7h and 4min
The month with the most sunshine is November (Average sunshine: 9h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in May
Greenwich, Australia
- Average sunshine days in May: 16.3 days
The month with the most sunshine days is August (17.9 days).
The month with the least sunshine days is March (8.8 days).
Average UV index in May
Greenwich, Australia
- Average UV index in May: 4
The months with the highest UV index are January, February, November and December (UV index 6).
The months with the lowest UV index are May, June, July, August and September (UV index 4).
Average cloud cover in May
Greenwich, Australia
- Average cloud cover in May: 26
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in May
Greenwich, Australia
- 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).
Greenwich, Australia
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