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
May
Weather in May
Temperature
The shift into May finds Charleston at an average high-temperature of a still moderate 13.3°C (55.9°F), closely comparable to April's conditions. Charleston nights in May witness a mild cool down to an average temperature of 9.6°C (49.3°F).Humidity
The average relative humidity in May is 80%.Rainfall
In Charleston, New Zealand, in May, it is raining for 19.4 days, with typically 139mm (5.47") of accumulated precipitation. In Charleston, New Zealand, during the entire year, the rain falls for 222.4 days and collects up to 1480mm (58.27") of precipitation.Snowfall
January through June, August through December are months without snowfall in Charleston, New Zealand.Daylight
In May, the average length of the day in Charleston is 9h and 47min.On the first day of May, sunrise is at 7:22 am and sunset at 5:39 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:12 pm NZST.
Sunshine
The average sunshine in May in Charleston, New Zealand, is 6.5h.UV index
The months with the lowest UV index in Charleston are May through August, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in May interprets into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Charleston in May?
What is the average humidity in May in Charleston?
How much does it rain in Charleston in May?
When it does not snow in Charleston?
What is the average length of the day in May in Charleston?
When is the sunrise / sunset in May in Charleston?
How long on average sun shines in May in Charleston?
What are the months with the lowest UV index in Charleston?
How high is the UV index in May in Charleston?
Average temperature in May
Charleston, New Zealand
- Average high temperature in May: 13.3°C
The warmest month (with the highest average high temperature) is February (18.5°C).
The month with the lowest average high temperature is July (10.7°C).
- Average low temperature in May: 9.6°C
The months with the highest average low temperature are January and February (13.3°C).
The coldest month (with the lowest average low temperature) is July (7.2°C).
Average pressure in May
Charleston, New Zealand
- Average pressure in May: 1014.1mbar
The month with the highest atmospheric pressure is March (1017.9mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).
Average wind speed in May
Charleston, New Zealand
- Average wind speed in May: 14.2km/h
The windiest month (with the highest average wind speed) is October (15.6km/h).
The calmest month (with the lowest average wind speed) is March (12km/h).
Average humidity in May
Charleston, New Zealand
- Average humidity in May: 80%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is July (79%).
Average rainfall in May
Charleston, New Zealand
- Average rainfall in May: 139mm
The wettest month (with the highest rainfall) is October (153mm).
The driest month (with the least rainfall) is February (69mm).
Average rainfall days in May
Charleston, New Zealand
- Average rainfall days in May: 19.4 days
The month with the highest number of rainy days is October (22.2 days).
The month with the least rainy days is February (14.2 days).
Average snowfall in May
Charleston, New Zealand
- Average snowfall in May: 0mm
The month with the highest snowfall is July (1mm).
The months with the least snowfall are January, February, March, April, May, June, August, September, October, November and December (0mm).
Average snowfall days in May
Charleston, New Zealand
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is July (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Charleston, New Zealand
- Average daylight in May: 9h and 5min
The month with the longest days is December (Average daylight: 15h and 12min).
The month with the shortest days is June (Average daylight: 9h and 12min).
- Average sunshine in May: 6h and 3min
The month with the most sunshine is December (Average sunshine: 8h and 48min).
The month with the least sunshine is June (Average sunshine: 5h and 30min).
Average sunshine days in May
Charleston, New Zealand
- Average sunshine days in May: 10.3 days
The month with the most sunshine days is March (13 days).
The month with the least sunshine days is October (7.1 days).
Average UV index in May
Charleston, New Zealand
- Average UV index in May: 3
The months with the highest UV index are January and February (UV index 5).
The months with the lowest UV index are May, June, July and August (UV index 3).
Average cloud cover in May
Charleston, New Zealand
- Average cloud cover in May: 49
The month with the most cloud cover is October (Cloud cover 55).
The month with the least cloud cover is February (Cloud cover 43).
Average visibility in May
Charleston, New Zealand
- Average visibility in May: 9km
The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).
