Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
May shows a rise in the average high-temperature, moving from April's refreshing 15.8°C (60.4°F) to an agreeable 21.4°C (70.5°F). In Il, an average nighttime temperature of 11°C (51.8°F) is expected during May.Humidity
With an average relative humidity of 64%, May is the least humid month.Rainfall
In Il, in May, during 6.7 rainfall days, 10mm (0.39") of precipitation is typically accumulated. In Il, during the entire year, the rain falls for 89.6 days and collects up to 259mm (10.2") of precipitation.Snowfall
April through December are months without snowfall.Daylight
In Il, the average length of the day in May is 14h and 5min.On the first day of the month, sunrise is at 05:08 and sunset at 18:49. On the last day of May, sunrise is at 04:46 and sunset at 19:13 +0330.
Sunshine
In Il, the average sunshine in May is 11.1h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 5 in May translates into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the least humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Il, Iran
- Average high temperature in May: 21.4°C
The warmest month (with the highest average high temperature) is July (26.3°C).
The months with the lowest average high temperature are January and February (7.8°C).
- Average low temperature in May: 11°C
The month with the highest average low temperature is July (16.9°C).
The coldest month (with the lowest average low temperature) is February (1.1°C).
Average pressure in May
Il, Iran
- Average pressure in May: 1012.7mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is July (1008.1mbar).
Average wind speed in May
Il, Iran
- Average wind speed in May: 7.4km/h
The windiest months (with the highest average wind speed) are January, February and March (8.1km/h).
The calmest months (with the lowest average wind speed) are August and September (7.3km/h).
Average humidity in May
Il, Iran
- Average humidity in May: 64%
The month with the highest relative humidity is September (76%).
The month with the lowest relative humidity is May (64%).
Average rainfall in May
Il, Iran
- Average rainfall in May: 10mm
The wettest month (with the highest rainfall) is November (41mm).
The driest month (with the least rainfall) is June (5mm).
Average rainfall days in May
Il, Iran
- Average rainfall days in May: 6.7 days
The month with the highest number of rainy days is March (10.9 days).
The months with the least rainy days are June, July and August (5.8 days).
Average snowfall in May
Il, Iran
- Average snowfall in May: 0mm
The month with the highest snowfall is March (7mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in May
Il, Iran
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are February and March (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).
Average daylight in May /
Average sunshine in May
Il, Iran
- Average daylight in May: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are February and November (Average sunshine: 5h and 48min).
Average sunshine days in May
Il, Iran
- Average sunshine days in May: 22.5 days
The month with the most sunshine days is July (24.7 days).
The month with the least sunshine days is March (18.8 days).
Average UV index in May
Il, 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 and December (UV index 2).
Average cloud cover in May
Il, Iran
- Average cloud cover in May: 21
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in May
Il, Iran
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is September (8km).
