April weather forecastTehran, Iran
April
Weather in April
The heart of spring takes over in April, with temperatures further increasing, reaching highs of 18.1°C (64.6°F). A significant feature of April is its rainfall as it receives the maximum rainfall of the year at 38mm (1.5"), spread across roughly 14 days. The city transforms into a vibrant bloom of flowers, thanks to the mix of moderate temperatures and notable rain showers. The ample daylight running about 13.1 hours per day provides a slight but pleasant warmth. With the winter chill truly behind, the blossoming city prepares to cruise into the heat of summer.Temperature
As April arrives, a rise in the average high-temperature is observed, moving from a fresh 12.8°C (55°F) in March to a comfortable 18.1°C (64.6°F). Tehran, in April, witnesses an average low-temperature of 9.3°C (48.7°F).Humidity
In April, the average relative humidity in Tehran, Iran, is 38%.Rainfall
The month with the most rainfall is April, when the rain falls for 13.5 days and typically aggregates up to 38mm (1.5") of precipitation.Snowfall
In Tehran, snow does not fall in April through October.Daylight
In April, the average length of the day in Tehran is 13h and 7min.On the first day of the month, sunrise is at 05:50 and sunset at 18:26. On the last day of April, sunrise is at 05:12 and sunset at 18:50 +0330.
Sunshine
In April, the average sunshine is 11.2h.UV index
The average daily maximum UV index in April in Tehran is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 5 in April leads to these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Tehran, Iran
- Average high temperature in April: 18.1°C
The warmest month (with the highest average high temperature) is July (33.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in April: 9.3°C
The month with the highest average low temperature is July (24.3°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in April
Tehran, Iran
- Average pressure in April: 1014.4mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is July (1007.1mbar).
Average wind speed in April
Tehran, Iran
- Average wind speed in April: 8.4km/h
The windiest month (with the highest average wind speed) is June (9.4km/h).
The calmest months (with the lowest average wind speed) are November and December (5.5km/h).
Average humidity in April
Tehran, Iran
- Average humidity in April: 38%
The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is July (19%).
Average rainfall in April
Tehran, Iran
- Average rainfall in April: 38mm
The wettest month (with the highest rainfall) is April (38mm).
The driest month (with the least rainfall) is September (6mm).
Average rainfall days in April
Tehran, Iran
- Average rainfall days in April: 13.5 days
The month with the highest number of rainy days is April (13.5 days).
The month with the least rainy days is September (2.9 days).
Average snowfall in April
Tehran, Iran
- Average snowfall in April: 0mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in April
Tehran, Iran
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Tehran, Iran
- Average daylight in April: 13h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in April: 11h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is February (Average sunshine: 7h and 0min).
Average sunshine days in April
Tehran, Iran
- Average sunshine days in April: 9.5 days
The months with the most sunshine days are July and September (22.8 days).
The month with the least sunshine days is April (9.5 days).
Average UV index in April
Tehran, Iran
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in April
Tehran, Iran
- Average cloud cover in April: 19
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in April
Tehran, Iran
- Average visibility in April: 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).
