Temperatures 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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Iran in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Iran with hot temperatures, averaging around 30°C during the day and nights close to 19°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-May
By mid-May, the average daytime temperature rises to around 32°C, with nights close to 20°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of May
By the end of May, the average daytime temperature in Iran will be around 35°C, with nights close to 22°C. No precipitation expected, with plenty of sunshine on the horizon. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Precipitation in May
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.
The average chance of precipitation is only 8% in May.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Iran. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Iran in May |
UK | ||
|---|---|---|---|
 Average Temperature |
32°C | 18°C | |
 High Temp |
36°C | 21°C | |
| Low Temp |
28°C | 15°C | |
 Total Precipitation |
7,9 mm | 46 mm | |
| Rainy Days |
2 days | 8 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 great month to be in Iran for sunny weather. You’ll get high temperatures and not too much rain this month.
Temperature records for Iran in May
With 41°C, Iran hit the highest temperature in the last 10 years in May 2021. The lowest daytime temperature in this month was 20°C in 2023. The extreme night temperatures ranged from a low of 9°C to a high of 27°C.
Check out the climate of Iran for all months and discover the best travel time
The climate of Iran is based on weather data from Tehran. Other locations might have different weather. You can check out all destinations in Iran for a full picture of the climate.
Daily Temperature in May in Iran
This chart shows the average daily temperatures, both day and night, for each day in May in Iran, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Iran
The chart below shows the average daily precipitation in May for Iran, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 2 days of rain 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 years.
Total Precipitation in May in Iran Over the Years
This chart shows the average precipitation in May in Iran, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Iran
Click on a specific day in May for detailed info on the typical 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.
