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IranThe weather in May in Semnān
It's warm in May in Semnān with an average temperature of 29°C. Temperatures this month range from a low of 26°C to a high of 32°C. At night, you can expect temperatures between 16°C and 21°C.
Looking for great weather? May is a good time to be in Semnān. The temperatures are nice, and there’s 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 Semnān, 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 42°C in 2015, Semnān reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 16°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 26°C.
Rainfall amount
In May, there is an average of 27 mm of precipitation, spread over 6 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in May for Semnān
Click on any day in May to get detailed info about the usual weather on that day in Semnān. Check out the historical temperatures and precipitation over the past 10 years on this day.
May weather comparison
| Semnān | New York | |
|---|---|---|
| Average temperature | 29°C | 22°C |
| Max. temperature | 32°C | 28°C |
| Min. temperature | 16°C | -5°C |
| Total precipitation | 27 mm | 105 mm |
| Rainy days | 6 days | 14 days |
Start of May
The month of May starts in Semnān with hot temps, averaging around 28°C during the day and nights around 17°C.
Mid May
By mid-May, daytime temps rise to around 29°C, with nights around 18°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 Semnān is around 32°C, while nighttime temps are about 20°C. There’s hardly any chance of precipitation. The weather will be mostly dry with plenty of sun.
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 Semnān for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Semnān, Iran. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Semnān
Temperature in May in Semnān over the years
Precipitation charts
These charts show the average amount of precipitation in May in Semnān, 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 Semnān
Total precipitation in May in Semnān over the years
Daily UV index in May in Semnān
This chart shows the average daily UV index in May in Semnān, 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 Semnān
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Average weather in Semnān by month
Click on a month below to see detailed weather info for Semnān. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.