May weather forecast
Shiraz, Iran

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Weather in May

Spring morphs into summer in May, with temperatures soaring into the 30s°C. The warmth gets intensified as humidity dips to the lowest for the year, making the heat more palpable. With only 7mm (0.28") of rainfall, May can be considered as the start of the arid period in Shiraz. People take advantage of 13.6 hours daylight while managing to escape the heat during peak hours. The days with intensified brightness suggest carrying a good supply of water and sun protection while venturing outdoors.

Temperature

May in Shiraz brings a rise in the average high-temperature, transitioning from April's warm 23.8°C (74.8°F) to a tropical 30.6°C (87.1°F). Shiraz, in May, displays a significant temperature downturn during the night, with an average reading of 13.2°C (55.8°F).

Humidity

In Shiraz, Iran, the average relative humidity in May is 32%.

Rainfall

In Shiraz, during May, the rain falls for 2.1 days and regularly aggregates up to 7mm (0.28") of precipitation. Throughout the year, there are 46.6 rainfall days, and 306mm (12.05") of precipitation is accumulated.

Snowfall

In Shiraz, Iran, snow does not fall in March through November.

Daylight

The average length of the day in May in Shiraz is 13h and 38min.
On the first day of the month, sunrise is at 05:16 and sunset at 18:36. On the last day of May, sunrise is at 05:00 and sunset at 18:54 +0330.

Sunshine

In Shiraz, the average sunshine in May is 10.5h.

UV index

The months with the highest UV index in Shiraz are May through August, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In May, the maximum UV index of 12 suggests these recommendations:
Execute every important safeguard, as unprotected skin and eyes could burn within moments. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. Use liberally and reapply a broad-spectrum SPF 30+ sunscreen every two hours, or straight away after any outdoor workout or swim.

Frequently asked questions

How hot is it in Shiraz in May?

The average high-temperature, in May, in Shiraz, is 30.6°C (87.1°F), while the average low-temperature is 13.2°C (55.8°F).

What is the average humidity in May in Shiraz?

In May, the average relative humidity is 32%.

How much does it rain in Shiraz in May?

In Shiraz, Iran, in May, during 2.1 rainfall days, 7mm (0.28") of precipitation is typically accumulated.

When it does not snow in Shiraz?

In Shiraz, snow does not fall in March through November.

How many hours of daylight does Shiraz have in May?

In Shiraz, Iran, the average day length in May is 13h and 38min.

When is the sunrise / sunset in May in Shiraz?

On the first day of May in Shiraz, sunrise is at 05:16 and sunset at 18:36. On the last day of the month, sunrise is at 05:00 and sunset at 18:54 +0330.

How many hours of sunshine does Shiraz have in May?

In May, the average sunshine duration in Shiraz is 10.5h.

What are the months with the highest UV index in Shiraz?

May through August, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index intensity in May in Shiraz?

In May, the average daily maximum UV index is 12. A UV Index of 11, and more, symbolizes an extreme health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Shiraz, Iran

Average temperature in May - Shiraz, Iran
  • Average high temperature in May: 30.6°C

The warmest month (with the highest average high temperature) is July (37.8°C).
The month with the lowest average high temperature is January (12.1°C).

  • Average low temperature in May: 13.2°C

The month with the highest average low temperature is July (19.9°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).

Average humidity in May
Shiraz, Iran

Average humidity in May - Shiraz, Iran
  • Average humidity in May: 32%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is June (22%).

Average rainfall in May
Shiraz, Iran

Average rainfall in May - Shiraz, Iran
  • Average rainfall in May: 6.6mm

The wettest month (with the highest rainfall) is January (79.8mm).
The driest month (with the least rainfall) is September (0mm).

Average rainfall days in May
Shiraz, Iran

Average rainfall days in May - Shiraz, Iran
  • Average rainfall days in May: 2.1 days

The month with the highest number of rainy days is January (8.7 days).
The month with the least rainy days is September (0.1 days).

Average snowfall days in May
Shiraz, Iran

Average snowfall days in May - Shiraz, Iran
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average daylight in May /
Average sunshine in May
Shiraz, Iran

Average daylight in May / Average sunshine in May - Shiraz, Iran
  • Average daylight in May: 13h and 4min

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

  • Average sunshine in May: 10h and 3min

The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).

Average UV index in May
Shiraz, Iran

Average UV index in May - Shiraz, Iran
  • Average UV index in May: 12

The months with the highest UV index are May, June, July and August (UV index 12).
The months with the lowest UV index are January and December (UV index 4).

Shiraz, Iran

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