May weather forecastIsti, Iran

May

Weather in May

The last month of the spring, May, is an agreeable month in Isti, Iran, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 20.3°C (68.5°F).

Temperature

Isti, Iran, sees a rise in temperature during May, with average high-temperatures transitioning from a mild 13.8°C (56.8°F) in April to a pleasant 20.3°C (68.5°F). Isti witnesses an average low-temperature of 10.8°C (51.4°F) throughout the month of May.

Humidity

In Isti, the average relative humidity in May is 69%.

Rainfall

In May, the rain falls for 16 days. Throughout May, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 131.9 rainfall days, and 530mm (20.87") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Isti, Iran, the average length of the day in May is 14h and 18min.
On the first day of the month, sunrise is at 05:19 and sunset at 19:11. On the last day of May, in Isti, Iran, sunrise is at 04:55 and sunset at 19:37 +0330.

Sunshine

In May, the average sunshine in Isti is 11.3h.

UV index

In Isti, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 5 in May interprets into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

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

Frequently asked questions

In Isti, 20.3°C (68.5°F) is the average high-temperature and 10.8°C (51.4°F) is the average low-temperature during May.

In May, the average relative humidity in Isti is 69%.

In May, in Isti, the rain falls for 16 days. Throughout May, 41mm (1.61") of precipitation is accumulated.

May through September are months without snowfall in Isti.

In May, in Isti, it doesn't snow. April is the latest month when it typically snows.

The average day length in May in Isti, Iran, is 14h and 18min.

On the first day of May in Isti, sunrise is at 05:19 and sunset at 19:11. On the last day of the month, sunrise is at 04:55 and sunset at 19:37 +0330.

In May, the average sunshine duration is 11.3h.

In Isti, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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

13.8°C

20.3°C

24.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.1km/h

9km/h

10.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

8.2

8.8

14.6

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Isti, Iran

Average high temperature in May: 20.3°C

The warmest month (with the highest average high temperature) is July (27.3°C).
The month with the lowest average high temperature is January (5°C).

Average low temperature in May: 10.8°C

The month with the highest average low temperature is July (17.3°C).
The coldest month (with the lowest average low temperature) is February (-0.5°C).

Average pressure in May
Isti, Iran

Average pressure in May: 1013.2mbar

The month with the highest atmospheric pressure is November (1022.1mbar).
The month with the lowest atmospheric pressure is July (1009.4mbar).

Average wind speed in May
Isti, Iran

Average wind speed in May: 8.2km/h

The windiest months (with the highest average wind speed) are July and August (10km/h).
The calmest month (with the lowest average wind speed) is December (7.7km/h).

Average humidity in May
Isti, Iran

Average humidity in May: 69%

The month with the highest relative humidity is October (78%).
The month with the lowest relative humidity is July (57%).

Average rainfall in May
Isti, Iran

Average rainfall in May: 41mm

The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is July (13mm).

Average rainfall days in May
Isti, Iran

Average rainfall days in May: 16 days

The month with the highest number of rainy days is October (16.3 days).
The month with the least rainy days is August (6.5 days).

Average snowfall in May
Isti, Iran

Average snowfall in May: 0mm

The month with the highest snowfall is January (415mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in May
Isti, Iran

Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in May: 14h and 18min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

Average sunshine in May: 11h and 18min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 30min).

Average sunshine days in May
Isti, Iran

Average sunshine days in May: 8.8 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is April (8.2 days).

Average UV index in May
Isti, Iran

Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).