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 snowfall in May
- Average snowfall days 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
Entering May, Perth's average high-temperature reads a mild 13.1°C (55.6°F), indicating a close resemblance to the previous month's climate. In the month of May, an average of 5°C (41°F) marks the low-temperature in Perth.Humidity
The average relative humidity in May is 82%.Rainfall
In Perth, in May, during 18.4 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Perth, United Kingdom, during the entire year, the rain falls for 193.4 days and collects up to 508mm (20") of precipitation.Snowfall
Months with snowfall in Perth, United Kingdom, are January through May, November and December. May is the last month it regularly snows in Perth. During 0.1 snowfall days, in May, Perth aggregates 1mm (0.04") of snow. Throughout the year, in Perth, there are 15.6 snowfall days, and 167mm (6.57") of snow is accumulated.Daylight
In May, the average length of the day is 16h and 25min.On the first day of May, sunrise is at 5:26 am and sunset at 8:55 pm. On the last day of the month, sunrise is at 4:33 am and sunset at 9:49 pm BST.
Sunshine
In May, the average sunshine in Perth is 7.3h.UV index
In Perth, the average daily maximum UV index in May is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in May interprets into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. It's recommended to limit sun exposure when its radiation is at its peak during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are the temperatures in Perth in May?
What is the average humidity in May in Perth?
How many days does it rain in May in Perth?
What is the last month it snows in Perth?
How many hours of daylight does Perth have in May?
When are sunrise and sunset in May in Perth?
How many hours of sunshine does Perth have in May?
What is the UV index reading in May in Perth?
Average temperature in May
Perth, United Kingdom
- Average high temperature in May: 13.1°C
The warmest month (with the highest average high temperature) is July (17.1°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in May: 5°C
The month with the highest average low temperature is August (9.4°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).
Average pressure in May
Perth, United Kingdom
- Average pressure in May: 1015.3mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in May
Perth, United Kingdom
- Average wind speed in May: 13.2km/h
The windiest month (with the highest average wind speed) is January (16.6km/h).
The calmest months (with the lowest average wind speed) are June and July (11.1km/h).
Average humidity in May
Perth, United Kingdom
- Average humidity in May: 82%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is April (81%).
Average rainfall in May
Perth, United Kingdom
- Average rainfall in May: 38mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in May
Perth, United Kingdom
- Average rainfall days in May: 18.4 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in May
Perth, United Kingdom
- Average snowfall in May: 1mm
The month with the highest snowfall is February (55mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Perth, United Kingdom
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Perth, United Kingdom
- Average daylight in May: 16h and 2min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is June (Average sunshine: 7h and 30min).
The months with the least sunshine are February and October (Average sunshine: 4h and 12min).
Average sunshine days in May
Perth, United Kingdom
- Average sunshine days in May: 9.8 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is July (5.5 days).
Average UV index in May
Perth, United Kingdom
- Average UV index in May: 3
The months with the highest UV index are June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Perth, United Kingdom
- Average cloud cover in May: 53
The month with the most cloud cover is June (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in May
Perth, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May and December (9km).
The months with the lowest visibility are June, July, August, September, October and November (8km).
Perth, United Kingdom
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