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
Weather in May
Temperature
The advent of May brings an average high-temperature of an agreeable 22.7°C (72.9°F), almost identical to the preceding month. Against the high May temperatures, Harrismith records an average drop to a frosty 8.9°C (48°F) at night.Humidity
In Harrismith, the average relative humidity in May is 56%.Rainfall
In May, in Harrismith, South Africa, the rain falls for 5.3 days. Throughout May, 6mm (0.24") of precipitation is accumulated. Throughout the year, in Harrismith, there are 149.6 rainfall days, and 523mm (20.59") of precipitation is accumulated.Daylight
The average length of the day in May in Harrismith is 10h and 43min.On the first day of May in Harrismith, sunrise is at 06:30 and sunset at 17:30. On the last day of the month, sunrise is at 06:47 and sunset at 17:15 SAST.
Sunshine
The average sunshine in May is 7.4h.UV index
The months with the lowest UV index are May through July, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In May, a regular UV index of 4 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
What are the temperatures in Harrismith in May?
What is the average humidity in May in Harrismith?
How many days does it rain in May in Harrismith?
How many hours of daylight does Harrismith have in May?
When are sunrise and sunset in May in Harrismith?
How many hours of sunshine does Harrismith have in May?
When is the lowest UV index in Harrismith?
How high is the UV index in May in Harrismith?
Average temperature in May
Harrismith, South Africa
- Average high temperature in May: 22.7°C
The warmest month (with the highest average high temperature) is December (29.3°C).
The month with the lowest average high temperature is June (19.7°C).
- Average low temperature in May: 8.9°C
The month with the highest average low temperature is January (16°C).
The coldest month (with the lowest average low temperature) is July (6.2°C).
Average pressure in May
Harrismith, South Africa
- Average pressure in May: 1021.4mbar
The month with the highest atmospheric pressure is July (1024.6mbar).
The month with the lowest atmospheric pressure is December (1014.9mbar).
Average wind speed in May
Harrismith, South Africa
- Average wind speed in May: 6km/h
The windiest months (with the highest average wind speed) are October and November (8.9km/h).
The calmest month (with the lowest average wind speed) is May (6km/h).
Average humidity in May
Harrismith, South Africa
- Average humidity in May: 56%
The month with the highest relative humidity is February (73%).
The months with the lowest relative humidity are August and September (45%).
Average rainfall in May
Harrismith, South Africa
- Average rainfall in May: 6mm
The wettest month (with the highest rainfall) is January (99mm).
The driest month (with the least rainfall) is July (4mm).
Average rainfall days in May
Harrismith, South Africa
- Average rainfall days in May: 5.3 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is June (2.8 days).
Average daylight in May /
Average sunshine in May
Harrismith, South Africa
- Average daylight in May: 10h and 4min
The month with the longest days is December (Average daylight: 13h and 54min).
The month with the shortest days is June (Average daylight: 10h and 24min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is October (Average sunshine: 11h and 6min).
The month with the least sunshine is April (Average sunshine: 7h and 6min).
Average sunshine days in May
Harrismith, South Africa
- Average sunshine days in May: 23.9 days
The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is December (4.1 days).
Average UV index in May
Harrismith, South Africa
- Average UV index in May: 4
The months with the highest UV index are January, November and December (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).
Average cloud cover in May
Harrismith, South Africa
- Average cloud cover in May: 13
The month with the most cloud cover is January (Cloud cover 36).
The months with the least cloud cover are June and July (Cloud cover 9).
Average visibility in May
Harrismith, South Africa
- Average visibility in May: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).
Harrismith, South Africa
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