May weather forecast
Secunda, South Africa

May

Weather in May

Winter becomes more pronounced in Secunda throughout May, featuring cooler temperatures and an average daylight period of 10.8 hours. This time of the year is characterized by a significant reduction in rainfall with an expectation of merely 5mm (0.2"). As winter unfolds, the prevalence of cloud cover diminishes, leading to clear skies. Carrying an average pressure of 1021.5mb, it is a period of steady atmospheric conditions. Further on, the low relative humidity of 50% makes the air feel a bit drier than the preceding months.

Temperature

Shifting into May, Secunda records an average high-temperature of a still agreeable 20.7°C (69.3°F), presenting minor fluctuations compared to the previous month. A noticeable temperature swing characterizes Secunda's May nights, dipping to an average of 8.2°C (46.8°F).

Humidity

In Secunda, the average relative humidity in May is 50%.

Rainfall

In Secunda, in May, during 3 rainfall days, 5mm (0.2") of precipitation is typically accumulated. Throughout the year, there are 118.9 rainfall days, and 476mm (18.74") of precipitation is accumulated.

Daylight

The average length of the day in May is 10h and 49min.
On the first day of the month, sunrise is at 06:27 and sunset at 17:32. On the last day of May, sunrise is at 06:43 and sunset at 17:18 SAST.

Sunshine

The average sunshine in May is 7.6h.

UV index

The months with the lowest UV index in Secunda are May through July, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: During May, 4 as the daily maximum UV index converts into the following advice:
Make use of precautions - It is urged to ward off sun damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What is the usual temperature for Secunda in May?
May temperatures vary between a high-temperature of 20.7°C (69.3°F) and a low-temperature of 8.2°C (46.8°F).
What is the average humidity in May in Secunda?
In May, the average relative humidity in Secunda is 50%.
How much does it rain in Secunda in May?
In Secunda, in May, it is raining for 3 days, with typically 5mm (0.2") of accumulated precipitation.
What is the average length of the day in May in Secunda?
In Secunda, South Africa, the average day length in May is 10h and 49min.
What time are sunrise and sunset in May in Secunda?
In May, on the first day of the month, sunrise is at 06:27 and sunset at 17:32. On the last day of the month, sunrise is at 06:43 and sunset at 17:18 SAST.
How many hours of sunshine does Secunda have in May?
In May, the average sunshine duration is 7.6h.
What are the months with the lowest UV index in Secunda?
May through July, with an average maximum UV index of 4, are months with the lowest UV index in Secunda.
What is the UV index reading in May in Secunda?
The average daily maximum UV index in May in Secunda is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Secunda, South Africa
  • Average high temperature in May: 20.7°C

The warmest month (with the highest average high temperature) is February (26.5°C).
The month with the lowest average high temperature is June (17.4°C).

  • Average low temperature in May: 8.2°C

The month with the highest average low temperature is December (14.5°C).
The coldest month (with the lowest average low temperature) is July (4.5°C).

Average pressure in May
Secunda, South Africa
  • Average pressure in May: 1021.5mbar

The month with the highest atmospheric pressure is July (1024.9mbar).
The month with the lowest atmospheric pressure is January (1014.2mbar).

Average wind speed in May
Secunda, South Africa
  • Average wind speed in May: 9.2km/h

The windiest month (with the highest average wind speed) is September (12.5km/h).
The calmest month (with the lowest average wind speed) is March (8.9km/h).

Average humidity in May
Secunda, South Africa
  • Average humidity in May: 50%

The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is September (36%).

Average rainfall in May
Secunda, South Africa
  • Average rainfall in May: 5mm

The wettest month (with the highest rainfall) is December (109mm).
The driest month (with the least rainfall) is July (0mm).

Average rainfall days in May
Secunda, South Africa
  • Average rainfall days in May: 3 days

The month with the highest number of rainy days is January (21.4 days).
The month with the least rainy days is July (0.6 days).

Average daylight in May /
Average sunshine in May
Secunda, South Africa
  • Average daylight in May: 10h and 5min

The month with the longest days is December (Average daylight: 13h and 48min).
The month with the shortest days is June (Average daylight: 10h and 30min).

  • Average sunshine in May: 7h and 4min

The month with the most sunshine is October (Average sunshine: 11h and 30min).
The month with the least sunshine is April (Average sunshine: 7h and 18min).

Average sunshine days in May
Secunda, South Africa
  • Average sunshine days in May: 27.2 days

The month with the most sunshine days is July (30.3 days).
The month with the least sunshine days is January (7.4 days).

Average UV index in May
Secunda, South Africa
  • Average UV index in May: 4

The month with the highest UV index is November (UV index 6).
The months with the lowest UV index are May, June and July (UV index 4).

Average cloud cover in May
Secunda, South Africa
  • Average cloud cover in May: 10

The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in May
Secunda, South Africa
  • Average visibility in May: 10km

The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).

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