May weather forecastRiz, Iran

May

Weather in May

The last month of the spring, May, is a hot month in Riz, Iran, with an average temperature fluctuating between 33.5°C (92.3°F) and 23.8°C (74.8°F).

Temperature

Riz, Iran, in May experiences an increase in the average high-temperature, moving from April's warm 27.3°C (81.1°F) to a hot 33.5°C (92.3°F). The mean low-temperature during May nights is a warm 23.8°C (74.8°F).

Humidity

The average relative humidity in May in Riz is 17%.

Rainfall

May is the last month it rains in Riz, Iran. During 2.7 rainfall days, in May, Riz aggregates 5mm (0.2") of precipitation. In Riz, during the entire year, the rain falls for 39.7 days and collects up to 200mm (7.87") of precipitation.

Daylight

In May, the average length of the day is 13h and 32min.
On the first day of the month, sunrise is at 05:21 and sunset at 18:36. On the last day of May, in Riz, sunrise is at 05:05 and sunset at 18:53 +0330.

Sunshine

In May, the average sunshine is 11.7h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 8. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 8 in May translates into the following recommendations:
Ensure precautions are always in place. The risk to skin and eyes is high without them. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Riz, in May, the average high-temperature is 33.5°C (92.3°F), and the average low-temperature is 23.8°C (74.8°F).

The average relative humidity in May is 17%.

May is the last month it rains. During 2.7 rainfall days, in May, Riz aggregates 5mm (0.2") of precipitation.

In May, the average day length is 13h and 32min.

On the first day of May, sunrise is at 05:21 and sunset at 18:36. On the last day of the month, sunrise is at 05:05 and sunset at 18:53 +0330.

In Riz, the average sunshine duration in May is 11.7h.

May through August, with an average maximum UV index of 8, are months with the highest UV index.

In May, the average daily maximum UV index is 8. A UV Index reading of 8 to 10 represents a very high hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

27.3°C

33.5°C

38.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.4km/h

12.1km/h

11.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

23.7

27.6

29.7

Average UV index

Average cloud cover

15%

Average visibility

10km

Average temperature in May
Riz, Iran

Average high temperature in May: 33.5°C

The warmest month (with the highest average high temperature) is July (39.6°C).
The month with the lowest average high temperature is January (15.2°C).

Average low temperature in May: 23.8°C

The month with the highest average low temperature is July (29°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).

Average pressure in May
Riz, Iran

Average pressure in May: 1008.5mbar

The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is July (1000.3mbar).

Average wind speed in May
Riz, Iran

Average wind speed in May: 10.6km/h

The windiest month (with the highest average wind speed) is May (10.6km/h).
The calmest month (with the lowest average wind speed) is December (5.1km/h).

Average humidity in May
Riz, Iran

Average humidity in May: 17%

The month with the highest relative humidity is January (44%).
The month with the lowest relative humidity is June (12%).

Average rainfall in May
Riz, Iran

Average rainfall in May: 5mm

The wettest month (with the highest rainfall) is February (49mm).
The driest month (with the least rainfall) is June (0mm).

Average rainfall days in May
Riz, Iran

Average rainfall days in May: 2.7 days

The months with the highest number of rainy days are March and April (6.1 days).
The month with the least rainy days is June (0.3 days).

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

Average daylight in May: 13h and 30min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

Average sunshine in May: 11h and 42min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and February (Average sunshine: 7h and 6min).

Average sunshine days in May
Riz, Iran

Average sunshine days in May: 27.6 days

The month with the most sunshine days is June (29.7 days).
The month with the least sunshine days is February (21.6 days).

Average UV index in May
Riz, Iran

Average UV index in May: 8

The months with the highest UV index are May, June, July and August (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 4).

Average cloud cover in May
Riz, Iran

Average cloud cover in May: 9

The month with the most cloud cover is February (Cloud cover 17).
The month with the least cloud cover is September (Cloud cover 3).

Average visibility in May
Riz, Iran

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).