May weather forecastSis, Iran
May
Weather in May
May, the last month of the spring in Sis, is an agreeable month, with an average temperature fluctuating between 10.5°C (50.9°F) and 20.8°C (69.4°F).Temperature
The arrival of May sees a shift in the average high-temperature, moving from a moderate 14.3°C (57.7°F) in April to a pleasant 20.8°C (69.4°F). An average low-temperature of 10.5°C (50.9°F) marks the month of May.Humidity
In May, the average relative humidity is 49%.Rainfall
In Sis, in May, during 16.5 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, there are 120.5 rainfall days, and 352mm (13.86") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Sis, the average length of the day in May is 14h and 15min.On the first day of the month, sunrise is at 05:29 and sunset at 19:18. On the last day of May, sunrise is at 05:05 and sunset at 19:43 +0330.
Sunshine
The average sunshine in May is 11.5h.UV index
In Sis, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In May, the UV index of 5 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sis, Iran
- Average high temperature in May: 20.8°C
The warmest month (with the highest average high temperature) is July (29.6°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in May: 10.5°C
The month with the highest average low temperature is July (17.8°C).
The coldest month (with the lowest average low temperature) is January (-7°C).
Average pressure in May
Sis, Iran
- Average pressure in May: 1013.2mbar
The month with the highest atmospheric pressure is December (1022.4mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in May
Sis, Iran
- Average wind speed in May: 10.1km/h
The windiest month (with the highest average wind speed) is July (11.8km/h).
The calmest month (with the lowest average wind speed) is December (6.8km/h).
Average humidity in May
Sis, Iran
- Average humidity in May: 49%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (42%).
Average rainfall in May
Sis, Iran
- Average rainfall in May: 50mm
The wettest month (with the highest rainfall) is April (52mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in May
Sis, Iran
- Average rainfall days in May: 16.5 days
The month with the highest number of rainy days is April (17.3 days).
The month with the least rainy days is August (4.7 days).
Average snowfall in May
Sis, Iran
- Average snowfall in May: 0mm
The month with the highest snowfall is January (184mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Sis, Iran
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Sis, Iran
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 11h and 30min
The month with the most sunshine is August (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 6h and 30min).
Average sunshine days in May
Sis, Iran
- Average sunshine days in May: 8.5 days
The month with the most sunshine days is August (22.7 days).
The month with the least sunshine days is May (8.5 days).
Average UV index in May
Sis, 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, February, March, November and December (UV index 2).
Average cloud cover in May
Sis, Iran
- Average cloud cover in May: 17
The month with the most cloud cover is January (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in May
Sis, Iran
- Average visibility in May: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
