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 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
May
Weather in May
Temperature
Upon the onset of May, Cardiff witnesses an average high-temperature of a still refreshing 59.5°F, showing a close resemblance to the prior month. Cardiff registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 52.7°F during May.Humidity
May through October and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In May, the rain falls for 15.9 days. Throughout May, 3.7" of precipitation is accumulated. In Cardiff, during the entire year, the rain falls for 184.4 days and collects up to 34.57" of precipitation.Daylight
The average length of the day in May in Cardiff is 9h and 59min.On the first day of the month, sunrise is at 7:06 am and sunset at 5:33 pm. On the last day of May, sunrise is at 7:33 am and sunset at 5:08 pm NZST.
Sunshine
The average sunshine in May is 6.6h.UV index
The months with the lowest UV index are May through July, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The UV index of 3 in May translates into these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Cardiff?
What is the most humid month in Cardiff?
What is the average humidity in May in Cardiff?
How much does it rain in Cardiff in May?
What is the average length of the day in May in Cardiff?
What time are sunrise and sunset in May in Cardiff?
How many hours of sunshine does Cardiff have in May?
When is the lowest UV index in Cardiff?
What is the UV index reading in May in Cardiff?
Average temperature in May
Cardiff, New Zealand
- Average high temperature in May: 59.5°F
The warmest month (with the highest average high temperature) is February (70.3°F).
The month with the lowest average high temperature is July (54.7°F).
- Average low temperature in May: 52.7°F
The month with the highest average low temperature is February (60.1°F).
The coldest month (with the lowest average low temperature) is July (47.8°F).
Average pressure in May
Cardiff, New Zealand
- Average pressure in May: 29.98"Hg
The month with the highest atmospheric pressure is March (30.07"Hg).
The month with the lowest atmospheric pressure is September (29.93"Hg).
Average wind speed in May
Cardiff, New Zealand
- Average wind speed in May: 11.4mph
The windiest month (with the highest average wind speed) is September (12.4mph).
The calmest month (with the lowest average wind speed) is February (9.1mph).
Average humidity in May
Cardiff, New Zealand
- Average humidity in May: 80%
The months with the highest relative humidity are May, June, July, August, September, October and December (80%).
The months with the lowest relative humidity are January, March and November (78%).
Average rainfall in May
Cardiff, New Zealand
- Average rainfall in May: 3.7"
The wettest month (with the highest rainfall) is July (4.06").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in May
Cardiff, New Zealand
- Average rainfall days in May: 15.9 days
The month with the highest number of rainy days is September (19 days).
The month with the least rainy days is February (10.7 days).
Average daylight in May /
Average sunshine in May
Cardiff, New Zealand
- Average daylight in May: 10h and 0min
The month with the longest days is December (Average daylight: 14h and 54min).
The month with the shortest days is June (Average daylight: 9h and 24min).
- Average sunshine in May: 6h and 4min
The month with the most sunshine is December (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 6h and 6min).
Average sunshine days in May
Cardiff, New Zealand
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is January (15.7 days).
The month with the least sunshine days is September (8.2 days).
Average UV index in May
Cardiff, New Zealand
- Average UV index in May: 3
The months with the highest UV index are January, February, March and December (UV index 5).
The months with the lowest UV index are May, June and July (UV index 3).
Average cloud cover in May
Cardiff, New Zealand
- Average cloud cover in May: 47
The month with the most cloud cover is June (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 37).
Average visibility in May
Cardiff, New Zealand
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
