May weather forecast
Carnarvon, South Africa

May

Weather in May

The last month of the autumn, May, is also an agreeable month in Carnarvon, South Africa, with an average temperature fluctuating between 11.8°C (53.2°F) and 21.8°C (71.2°F).

Temperature

A moderate decline in average high-temperatures is noted in May, moving from a moderately hot 24.9°C (76.8°F) in April to an agreeable 21.8°C (71.2°F). The low-temperature averages to a fresh 11.8°C (53.2°F) during the nights of May.

Humidity

In Carnarvon, the average relative humidity in May is 39%.

Rainfall

In Carnarvon, South Africa, during May, the rain falls for 3.1 days and regularly aggregates up to 9mm (0.35") of precipitation. Throughout the year, in Carnarvon, there are 41.7 rainfall days, and 84mm (3.31") of precipitation is accumulated.

Daylight

The average length of the day in May in Carnarvon is 10h and 34min.
On the first day of the month, sunrise is at 07:02 and sunset at 17:54. On the last day of May, in Carnarvon, sunrise is at 07:20 and sunset at 17:37 SAST.

Sunshine

The months with the least sunshine in Carnarvon are May and June, with an average of 7.4h of sunshine.

UV index

May through July, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum UV index of 4 in May translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What is the average May temperature in Carnarvon?
In May, in Carnarvon, the average high-temperature is 21.8°C (71.2°F), and the average low-temperature is 11.8°C (53.2°F).
What is the average humidity in May in Carnarvon?
In May, the average relative humidity is 39%.
How many days does it rain in May in Carnarvon?
In May, in Carnarvon, the rain falls for 3.1 days. Throughout May, 9mm (0.35") of precipitation is accumulated.
What is the average length of the day in May in Carnarvon?
The average day length in May in Carnarvon is 10h and 34min.
When is the sunrise / sunset in May in Carnarvon?
In May, on the first day of the month, sunrise is at 07:02 and sunset at 17:54. On the last day of the month, sunrise is at 07:20 and sunset at 17:37 SAST.
What are the months with the least sunshine in Carnarvon?
The months with the least sunshine in Carnarvon are May and June, with an average of 7.4h of sunshine.
How long on average sun shines in May in Carnarvon?
In May, the average sunshine duration in Carnarvon, South Africa, is 7.4h.
What is the month with the lowest UV index in Carnarvon?
The months with the lowest UV index are May through July, with an average maximum UV index of 4.
What is the UV index reading in May in Carnarvon?
The average daily maximum UV index in May in Carnarvon, South Africa, is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Carnarvon, South Africa
  • Average high temperature in May: 21.8°C

The warmest month (with the highest average high temperature) is January (33.4°C).
The month with the lowest average high temperature is June (17°C).

  • Average low temperature in May: 11.8°C

The month with the highest average low temperature is January (21.8°C).
The coldest month (with the lowest average low temperature) is July (7°C).

Average pressure in May
Carnarvon, South Africa
  • Average pressure in May: 1019.4mbar

The month with the highest atmospheric pressure is July (1023.7mbar).
The month with the lowest atmospheric pressure is January (1010.4mbar).

Average wind speed in May
Carnarvon, South Africa
  • Average wind speed in May: 13.6km/h

The windiest month (with the highest average wind speed) is November (18.7km/h).
The calmest month (with the lowest average wind speed) is May (13.6km/h).

Average humidity in May
Carnarvon, South Africa
  • Average humidity in May: 39%

The month with the highest relative humidity is June (47%).
The month with the lowest relative humidity is November (23%).

Average rainfall in May
Carnarvon, South Africa
  • Average rainfall in May: 9mm

The wettest month (with the highest rainfall) is February (15mm).
The driest month (with the least rainfall) is September (2mm).

Average rainfall days in May
Carnarvon, South Africa
  • Average rainfall days in May: 3.1 days

The month with the highest number of rainy days is February (6.2 days).
The month with the least rainy days is August (1.3 days).

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

The month with the longest days is December (Average daylight: 14h and 6min).
The month with the shortest days is June (Average daylight: 10h and 12min).

  • Average sunshine in May: 7h and 2min

The months with the most sunshine are January, November and December (Average sunshine: 12h and 0min).
The months with the least sunshine are May and June (Average sunshine: 7h and 24min).

Average sunshine days in May
Carnarvon, South Africa
  • Average sunshine days in May: 27.3 days

The month with the most sunshine days is August (28.1 days).
The month with the least sunshine days is February (20.3 days).

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

The months with the highest UV index are January, February, November and December (UV index 7).
The months with the lowest UV index are May, June and July (UV index 4).

Average cloud cover in May
Carnarvon, South Africa
  • Average cloud cover in May: 11

The month with the most cloud cover is April (Cloud cover 13).
The month with the least cloud cover is December (Cloud cover 7).

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

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

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