May weather forecastLirdaf, Iran
May
Weather in May
May, the last month of the spring in Lirdaf, is also a hot month, with an average temperature fluctuating between 34.9°C (94.8°F) and 30.5°C (86.9°F).Temperature
A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from 30.9°C (87.6°F) in April to a still hot 34.9°C (94.8°F). May nights cool to an average low-temperature of 30.5°C (86.9°F), a marginal decrease from its daytime equivalent.Heat index
The heat index in May is estimated at a very hot 39°C (102.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.In terms of the heat index, values are set with light wind and shade conditions in mind. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', ties air temperature with relative humidity to produce the perceived temperature sensation. One's perception of temperature is subjective, varying based on their activity and individual heat perception, influenced by factors like wind, clothing, and metabolic variations. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. In the presence of high relative humidity, the evaporation rate diminishes, resulting in the body retaining more warmth compared to dry conditions. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
May is the least humid month, with an average relative humidity of 46%.Rainfall
May is the last month it rains in Lirdaf. During 0.7 rainfall days, in May, Lirdaf aggregates 1mm (0.04") of precipitation. Throughout the year, in Lirdaf, there are 24.1 rainfall days, and 73mm (2.87") of precipitation is accumulated.Daylight
The average length of the day in May is 13h and 24min.On the first day of May, sunrise is at 04:57 and sunset at 18:05. On the last day of the month, sunrise is at 04:43 and sunset at 18:21 +0330.
Sunshine
In Lirdaf, the average sunshine in May is 12.2h.UV index
The month with the highest UV index in Lirdaf, Iran, is May, with an average maximum UV index of 9. A UV Index estimate of 8 to 10 represents a very high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 9 in May translates into these instructions:
Skin and eyes are vulnerable without protection. Ensure you always take precautions. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. Apply liberally and reapply a broad-spectrum sunscreen of SPF 30+ every two hours, and promptly after any outdoor workout or a swim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Lirdaf, Iran
- Average high temperature in May: 34.9°C
The warmest month (with the highest average high temperature) is June (35.9°C).
The month with the lowest average high temperature is January (23.2°C).
- Average low temperature in May: 30.5°C
The month with the highest average low temperature is June (31.8°C).
The coldest month (with the lowest average low temperature) is January (19.3°C).
Average pressure in May
Lirdaf, Iran
- Average pressure in May: 1004.8mbar
The month with the highest atmospheric pressure is January (1017.3mbar).
The month with the lowest atmospheric pressure is July (997.1mbar).
Average wind speed in May
Lirdaf, Iran
- Average wind speed in May: 14.4km/h
The windiest month (with the highest average wind speed) is July (15.3km/h).
The calmest month (with the lowest average wind speed) is November (11.1km/h).
Average humidity in May
Lirdaf, Iran
- Average humidity in May: 46%
The month with the highest relative humidity is August (65%).
The month with the lowest relative humidity is May (46%).
Average rainfall in May
Lirdaf, Iran
- Average rainfall in May: 1mm
The wettest month (with the highest rainfall) is January (23mm).
The driest months (with the least rainfall) are June, July and September (0mm).
Average rainfall days in May
Lirdaf, Iran
- Average rainfall days in May: 0.7 days
The month with the highest number of rainy days is March (5.2 days).
The month with the least rainy days is June (0.2 days).
Average daylight in May /
Average sunshine in May
Lirdaf, Iran
- Average daylight in May: 13h and 24min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in May: 12h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The months with the least sunshine are January and February (Average sunshine: 7h and 24min).
Average sunshine days in May
Lirdaf, Iran
- Average sunshine days in May: 30.1 days
The month with the most sunshine days is July (30.6 days).
The month with the least sunshine days is February (23.7 days).
Average UV index in May
Lirdaf, Iran
- Average UV index in May: 9
The month with the highest UV index is May (UV index 9).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in May
Lirdaf, Iran
- Average cloud cover in May: 4
The months with the most cloud cover are February and March (Cloud cover 12).
The month with the least cloud cover is September (Cloud cover 1).
Average visibility in May
Lirdaf, Iran
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





