May weather forecast
Flagstaff, South Africa

May

Weather in May

May, the last month of the autumn in Flagstaff, is also an enjoyable month, with temperature in the range of an average high of 18.7°C (65.7°F) and an average low of 7.2°C (45°F).

Temperature

As Flagstaff, South Africa, steps into May, the average high-temperature holds at a still comfortable 18.7°C (65.7°F), hinting at a minor fluctuation from the prior month. Flagstaff temperatures generally rest at a low of 7.2°C (45°F) during the May nights.

Humidity

In Flagstaff, South Africa, the average relative humidity in May is 66%.

Rainfall

In Flagstaff, in May, it is raining for 5.8 days, with typically 15mm (0.59") of accumulated precipitation. Throughout the year, there are 150.4 rainfall days, and 609mm (23.98") of precipitation is accumulated.

Snowfall

In Flagstaff, snow does not fall in January through June, September through December.

Daylight

In May, the average length of the day is 10h and 33min.
On the first day of May, sunrise is at 06:32 and sunset at 17:25. On the last day of the month, sunrise is at 06:51 and sunset at 17:07 SAST.

Sunshine

In Flagstaff, the average sunshine in May is 7h.

UV index

The months with the lowest UV index are May and June, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 3 in May translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.

Frequently asked questions

What is the average May temperature?
In Flagstaff, in May, the average high-temperature is 18.7°C (65.7°F), and the average low-temperature is 7.2°C (45°F).
What is the average humidity in May?
In May, the average relative humidity is 66%.
How many days does it rain in May?
In Flagstaff, in May, during 5.8 rainfall days, 15mm (0.59") of precipitation is typically accumulated.
When it does not snow in Flagstaff?
In Flagstaff, snow does not fall in January through June, September through December.
How many hours of daylight does Flagstaff have in May?
The average day length in May is 10h and 33min.
What time are sunrise and sunset in May?
On the first day of May, sunrise is at 06:32 and sunset at 17:25. On the last day of the month, sunrise is at 06:51 and sunset at 17:07 SAST.
How many hours of sunshine does Flagstaff have in May?
In Flagstaff, the average sunshine duration in May is 7h.
What is the month with the lowest UV index?
The months with the lowest UV index are May and June, with an average maximum UV index of 3.
How high is the UV index in May?
In Flagstaff, the average daily maximum UV index in May is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May - Flagstaff, South Africa
Average temperature in May
Flagstaff, South Africa
  • Average high temperature in May: 18.7°C

The warmest month (with the highest average high temperature) is January (23.3°C).
The month with the lowest average high temperature is July (16.3°C).

  • Average low temperature in May: 7.2°C

The month with the highest average low temperature is January (13.5°C).
The coldest month (with the lowest average low temperature) is July (4.3°C).

Average pressure in May - Flagstaff, South Africa
Average pressure in May
Flagstaff, South Africa
  • Average pressure in May: 1020.4mbar

The month with the highest atmospheric pressure is July (1023.7mbar).
The month with the lowest atmospheric pressure is January (1014.5mbar).

Average wind speed in May - Flagstaff, South Africa
Average wind speed in May
Flagstaff, South Africa
  • Average wind speed in May: 7.9km/h

The windiest month (with the highest average wind speed) is August (9.4km/h).
The calmest months (with the lowest average wind speed) are February and March (7.3km/h).

Average humidity in May - Flagstaff, South Africa
Average humidity in May
Flagstaff, South Africa
  • Average humidity in May: 66%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (56%).

Average rainfall in May - Flagstaff, South Africa
Average rainfall in May
Flagstaff, South Africa
  • Average rainfall in May: 15mm

The wettest month (with the highest rainfall) is January (113mm).
The driest month (with the least rainfall) is June (6mm).

Average rainfall days in May - Flagstaff, South Africa
Average rainfall days in May
Flagstaff, South Africa
  • Average rainfall days in May: 5.8 days

The month with the highest number of rainy days is January (23.3 days).
The month with the least rainy days is June (3.2 days).

Average snowfall in May - Flagstaff, South Africa
Average snowfall in May
Flagstaff, South Africa
  • Average snowfall in May: 0mm

The month with the highest snowfall is August (12mm).
The months with the least snowfall are January, February, March, April, May, June, September, October, November and December (0mm).

Average snowfall days in May - Flagstaff, South Africa
Average snowfall days in May
Flagstaff, South Africa
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are July and August (0.3 days).
The months with the least snowfall days are January, February, March, April, May, September, October, November and December (0 days).

Average daylight in May / Average sunshine in May - Flagstaff, South Africa
Average daylight in May /
Average sunshine in May
Flagstaff, South Africa
  • Average daylight in May: 10h and 3min

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 0min

The month with the most sunshine is October (Average sunshine: 8h and 54min).
The month with the least sunshine is April (Average sunshine: 6h and 24min).

Average sunshine days in May - Flagstaff, South Africa
Average sunshine days in May
Flagstaff, South Africa
  • Average sunshine days in May: 23.6 days

The month with the most sunshine days is June (25.6 days).
The month with the least sunshine days is January (5.7 days).

Average UV index in May - Flagstaff, South Africa
Average UV index in May
Flagstaff, South Africa
  • Average UV index in May: 3

The months with the highest UV index are January, February, November and December (UV index 5).
The months with the lowest UV index are May and June (UV index 3).

Average cloud cover in May - Flagstaff, South Africa
Average cloud cover in May
Flagstaff, South Africa
  • Average cloud cover in May: 24

The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 17).

Average visibility in May - Flagstaff, South Africa
Average visibility in May
Flagstaff, South Africa
  • Average visibility in May: 9km

The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January and December (6km).

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