The weather in May in Iran
It's hot in May in Iran with an average temperature of 32°C. Temperatures this month range from a low of 28°C to a high of 36°C. At night, you can expect temperatures between 17°C and 23°C.
May is a good month to be in Iran for sunny weather. You’ll have high temperatures and not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Iran. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 41°C in 2021, Iran reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 20°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 9°C to a highest value of 27°C.
Rainfall amount
According to weather history, there is only 7,9 mm of precipitation in May. The wind speed is around 4 Bft, mostly coming from the West.
Daily weather in May for Iran
Click on any day in May to get detailed info about the usual weather on that day in Iran. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Iran | New York | |
|---|---|---|
| Average temperature | 32°C | 22°C |
| Max. temperature | 36°C | 28°C |
| Min. temperature | 17°C | -5°C |
| Total precipitation | 7,9 mm | 105 mm |
| Rainy days | 2 days | 14 days |
Start of May
The month of May starts in Iran with hot temps, averaging around 30°C during the day and nights around 19°C.
Mid May
By mid-May, daytime temps rise to around 32°C, with nights around 20°C. Not much precipitation expected during this period. It’s mostly dry and sunny.
End of May
By the end of May, the average daytime temperature in Iran is around 35°C, while nighttime temps are about 22°C. No precipitation expected at the end of the month; it’ll be mostly sunny.
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Iran for all months and discover the best travel time
The climate in Iran is based on weather data from Tehran. Other spots might have different weather. You can check out all destinations in Iran to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in May in Iran. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Iran
Temperature in May in Iran over the years
Precipitation charts
These charts show the average amount of precipitation in May in Iran. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Iran
Total precipitation in May in Iran over the years
Daily UV index in May in Iran
This chart shows the average daily UV index in May in Iran, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in May in Iran
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Average weather in Iran by month
Click on a month below to see detailed weather info for Iran. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.