May weather forecast
Boksburg, South Africa

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Weather in May

May offers cool and drier conditions as winter slowly introduces itself in Boksburg. The decreasing trend in temperature continues, with peaks of around 21°C (69.8°F). A steep decline in precipitation occurs with a minimal amount of 4mm (0.16"), making it one of the driest months of the year. As autumn leaves adorn the city’s landscapes, the reduced humidity and near absence of rainfall produce clear skies and excellent visibility. While wind speed remains moderate, it brings a noticeable chill, underlining the season’s change.

Temperature

May's climate in Boksburg shows a minor adjustment in average high-temperatures to a still agreeable 21°C (69.8°F) from April's 22.7°C (72.9°F). Throughout May, Boksburg records an average temperature of 9.5°C (49.1°F) at night.

Humidity

In May, the average relative humidity in Boksburg is 48%.

Rainfall

In Boksburg, during May, the rain falls for 2.8 days and regularly aggregates up to 4mm (0.16") of precipitation. In Boksburg, during the entire year, the rain falls for 117 days and collects up to 425mm (16.73") of precipitation.

Daylight

In May, the average length of the day is 10h and 50min.
On the first day of the month, sunrise is at 06:31 and sunset at 17:37. On the last day of May, sunrise is at 06:46 and sunset at 17:22 SAST.

Sunshine

In Boksburg, the average sunshine in May is 7.6h.

UV index

May through July, with an average maximum UV index of 4, are months with the lowest UV index in Boksburg. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 4 in May suggests the following recommendations:
Be vigilant - Preventing sunburn is recommended. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What is the average May temperature in Boksburg?

The average high-temperature and low-temperature in Boksburg during May are 21°C (69.8°F) and 9.5°C (49.1°F) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in February is appraised at 29°C (84.2°F).

What is the average humidity in May in Boksburg?

In May, the average relative humidity in Boksburg, South Africa, is 48%.

How many days does it rain in May in Boksburg?

In Boksburg, South Africa, in May, it is raining for 2.8 days, with typically 4mm (0.16") of accumulated precipitation.

What is the average length of the day in May in Boksburg?

In Boksburg, the average day length in May is 10h and 50min.

What time are sunrise and sunset in May in Boksburg?

On the first day of May in Boksburg, sunrise is at 06:31 and sunset at 17:37. On the last day of the month, sunrise is at 06:46 and sunset at 17:22 SAST.

How long on average sun shines in May in Boksburg?

The average sunshine duration in May in Boksburg, South Africa, is 7.6h.

What is the month with the lowest UV index in Boksburg?

May through July, with an average maximum UV index of 4, are months with the lowest UV index in Boksburg, South Africa.

What is the UV index intensity in May in Boksburg?

The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Boksburg, South Africa

Average temperature in May - Boksburg, South Africa
  • Average high temperature in May: 21°C

The warmest months (with the highest average high temperature) are January, February and December (27.2°C).
The month with the lowest average high temperature is July (17.6°C).

  • Average low temperature in May: 9.5°C

The month with the highest average low temperature is January (16.2°C).
The coldest month (with the lowest average low temperature) is July (6°C).

Average pressure in May
Boksburg, South Africa

Average pressure in May - Boksburg, South Africa
  • Average pressure in May: 1021.2mbar

The month with the highest atmospheric pressure is July (1024.7mbar).
The month with the lowest atmospheric pressure is January (1013.3mbar).

Average wind speed in May
Boksburg, South Africa

Average wind speed in May - Boksburg, South Africa
  • Average wind speed in May: 8km/h

The windiest month (with the highest average wind speed) is November (11.7km/h).
The calmest month (with the lowest average wind speed) is May (8km/h).

Average humidity in May
Boksburg, South Africa

Average humidity in May - Boksburg, South Africa
  • Average humidity in May: 48%

The month with the highest relative humidity is February (65%).
The month with the lowest relative humidity is September (34%).

Average rainfall in May
Boksburg, South Africa

Average rainfall in May - Boksburg, South Africa
  • Average rainfall in May: 4mm

The wettest month (with the highest rainfall) is December (86mm).
The driest month (with the least rainfall) is July (1mm).

Average rainfall days in May
Boksburg, South Africa

Average rainfall days in May - Boksburg, South Africa
  • Average rainfall days in May: 2.8 days

The month with the highest number of rainy days is January (19.8 days).
The month with the least rainy days is July (1.5 days).

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

Average daylight in May / Average sunshine in May - Boksburg, 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 48min).
The month with the least sunshine is August (Average sunshine: 7h and 24min).

Average sunshine days in May
Boksburg, South Africa

Average sunshine days in May - Boksburg, South Africa
  • Average sunshine days in May: 27.3 days

The months with the most sunshine days are July and August (28.8 days).
The month with the least sunshine days is December (7.5 days).

Average UV index in May
Boksburg, South Africa

Average UV index in May - Boksburg, South Africa
  • Average UV index in May: 4

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

Average cloud cover in May
Boksburg, South Africa

Average cloud cover in May - Boksburg, South Africa
  • Average cloud cover in May: 9

The month with the most cloud cover is January (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in May
Boksburg, South Africa

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

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

Boksburg, South Africa

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