April weather forecastSis, Iran
April
Weather in April
April in Sis, Iran, is a mild spring month, with an average temperature ranging between max 14.3°C (57.7°F) and min 5.3°C (41.5°F).Temperature
As Sis transitions into April, the average high-temperature shows a change, moving from a frosty 7.9°C (46.2°F) in March to a refreshing 14.3°C (57.7°F). April's nights observe an average temperature of 5.3°C (41.5°F).Humidity
In Sis, the average relative humidity in April is 56%.Rainfall
April is the month with the most rainfall. Rain falls for 17.3 days and accumulates 52mm (2.05") of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Sis aggregates 21mm (0.83") of snow. Throughout the year, in Sis, there are 33.8 snowfall days, and 550mm (21.65") of snow is accumulated.Daylight
The average length of the day in April is 13h and 12min.On the first day of the month, sunrise is at 06:10 and sunset at 18:49. On the last day of April, sunrise is at 05:30 and sunset at 19:17 +0330.
Sunshine
The average sunshine in April is 10.2h.UV index
In April, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In April, the maximum UV index of 4 suggests this advice:
Take precautions - Protection against sun damage is advised. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Sis, Iran
- Average high temperature in April: 14.3°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 April: 5.3°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 April
Sis, Iran
- Average pressure in April: 1014.4mbar
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 April
Sis, Iran
- Average wind speed in April: 10km/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 April
Sis, Iran
- Average humidity in April: 56%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (42%).
Average rainfall in April
Sis, Iran
- Average rainfall in April: 52mm
The wettest month (with the highest rainfall) is April (52mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in April
Sis, Iran
- Average rainfall days in April: 17.3 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 April
Sis, Iran
- Average snowfall in April: 21mm
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 April
Sis, Iran
- Average snowfall days in April: 0.8 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 April /
Average sunshine in April
Sis, Iran
- Average daylight in April: 13h 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 April: 10h and 12min
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 April
Sis, Iran
- Average sunshine days in April: 9.3 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 April
Sis, Iran
- Average UV index in April: 4
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 April
Sis, Iran
- Average cloud cover in April: 26
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 April
Sis, Iran
- Average visibility in April: 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).
