May weather forecast
Westville, South Africa

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Weather in May

May, the last month of the autumn in Westville, is also a moderately hot month, with an average temperature ranging between max 23.3°C (73.9°F) and min 15.5°C (59.9°F).

Temperature

With the arrival of May, Westville's average high-temperature registers at a still moderately hot 23.3°C (73.9°F), indicating a subtle variation from the previous month. Westville, during the nights of May, experiences an average temperature drop to a mild 15.5°C (59.9°F).

Humidity

In May, the average relative humidity in Westville is 72%.

Rainfall

In Westville, during May, the rain falls for 8.6 days and regularly aggregates up to 21mm (0.83") of precipitation. Throughout the year, in Westville, there are 172.9 rainfall days, and 545mm (21.46") of precipitation is accumulated.

Daylight

The average length of the day in May is 10h and 38min.
On the first day of the month, sunrise is at 06:25 and sunset at 17:21. On the last day of May, in Westville, sunrise is at 06:43 and sunset at 17:04 SAST.

Sunshine

In May, the average sunshine is 6.9h.

UV index

The months with the lowest UV index in Westville are April through November, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the maximum UV index of 5 translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

What are May temperatures in Westville?

The average high-temperature, in May, in Westville, is 23.3°C (73.9°F), while the average low-temperature is 15.5°C (59.9°F).

What is the average humidity in May in Westville?

The average relative humidity in May in Westville is 72%.

How many days does it rain in May in Westville?

In Westville, during May, the rain falls for 8.6 days and regularly aggregates up to 21mm (0.83") of precipitation.

How many hours of daylight does Westville have in May?

In May, the average day length in Westville is 10h and 38min.

When is the sunrise / sunset in May in Westville?

On the first day of May in Westville, South Africa, sunrise is at 06:25 and sunset at 17:21. On the last day of the month, sunrise is at 06:43 and sunset at 17:04 SAST.

How many hours of sunshine does Westville have in May?

The average sunshine duration in May in Westville, South Africa, is 6.9h.

When is the lowest UV index in Westville?

The months with the lowest UV index are April through November, with an average maximum UV index of 5.

How high is the UV index in May in Westville?

In May, the average daily maximum UV index in Westville is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.

Average temperature in May
Westville, South Africa

Average temperature in May - Westville, South Africa
  • Average high temperature in May: 23.3°C

The warmest month (with the highest average high temperature) is February (26.6°C).
The month with the lowest average high temperature is July (21.2°C).

  • Average low temperature in May: 15.5°C

The month with the highest average low temperature is February (20°C).
The coldest month (with the lowest average low temperature) is July (13.2°C).

Average pressure in May
Westville, South Africa

Average pressure in May - Westville, South Africa
  • Average pressure in May: 1019.7mbar

The month with the highest atmospheric pressure is July (1023.2mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).

Average wind speed in May
Westville, South Africa

Average wind speed in May - Westville, South Africa
  • Average wind speed in May: 10.7km/h

The windiest month (with the highest average wind speed) is October (13.9km/h).
The calmest month (with the lowest average wind speed) is May (10.7km/h).

Average humidity in May
Westville, South Africa

Average humidity in May - Westville, South Africa
  • Average humidity in May: 72%

The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are June and July (64%).

Average rainfall in May
Westville, South Africa

Average rainfall in May - Westville, South Africa
  • Average rainfall in May: 21mm

The wettest month (with the highest rainfall) is December (78mm).
The driest month (with the least rainfall) is June (10mm).

Average rainfall days in May
Westville, South Africa

Average rainfall days in May - Westville, South Africa
  • Average rainfall days in May: 8.6 days

The month with the highest number of rainy days is December (21.7 days).
The month with the least rainy days is June (5.8 days).

Average daylight in May /
Average sunshine in May
Westville, South Africa

Average daylight in May / Average sunshine in May - Westville, South Africa
  • Average daylight in May: 10h and 4min

The month with the longest days is December (Average daylight: 14h and 0min).
The month with the shortest days is June (Average daylight: 10h and 18min).

  • Average sunshine in May: 6h and 5min

The month with the most sunshine is February (Average sunshine: 8h and 36min).
The month with the least sunshine is April (Average sunshine: 6h and 0min).

Average sunshine days in May
Westville, South Africa

Average sunshine days in May - Westville, South Africa
  • Average sunshine days in May: 20.8 days

The months with the most sunshine days are June and July (22.1 days).
The month with the least sunshine days is December (6.5 days).

Average UV index in May
Westville, South Africa

Average UV index in May - Westville, South Africa
  • Average UV index in May: 5

The months with the highest UV index are January, February, March and December (UV index 6).
The months with the lowest UV index are April, May, June, July, August, September, October and November (UV index 5).

Average cloud cover in May
Westville, South Africa

Average cloud cover in May - Westville, South Africa
  • Average cloud cover in May: 23

The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is June (Cloud cover 17).

Average visibility in May
Westville, South Africa

Average visibility in May - Westville, South Africa
  • Average visibility in May: 10km

The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).

Westville, South Africa

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