Average weather for Iran in May
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.
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. There’s little chance of precipitation. The weather’s mostly sunny and dry.
With the temperature difference between day and night, it’s smart to wear layers.
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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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.
Iran in May |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 22°C | |
 Max. temperature |
36°C | 28°C | |
| Min. temperature |
28°C | -5°C | |
 Total precipitation |
7,9 mm | 105 mm | |
| Rainy days |
2 days | 14 days | |
April
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.
Is May a good time to visit Iran?
May is a good month to be in Iran for sunny weather. You’ll have high temperatures and not too much rain.
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.
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.
Daily Temperature in May in Iran
This chart shows the average daily high and low temperatures in May for Iran, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in Iran
The chart below shows the average daily precipitation in May for Iran, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 2 days of precipitation in Iran.
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.
Temperature in May in Iran over the years
This chart shows the average temperature in May in Iran, measured in degrees Celsius, over the past few years.
Total precipitation in May in Iran over the years
This chart shows the average precipitation in May in Iran, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
Weather experiences in May in Iran
Have you been to Iran in May?
Share your weather experience in May in Iran.
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.
