April weather forecast
Tehran, Iran

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A golden illusion of the front view of the Zaid Mosque in Tehran, Iran
A golden illusion of the front view of the Zaid Mosque in Tehran, Iran

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.
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Frequently asked questions

What is the average April temperature in Tehran?

The high-temperature, in April, in Tehran, records 18.1°C (64.6°F), while the low-temperature is 9.3°C (48.7°F).

What is the average humidity in April in Tehran?

In April, the average relative humidity in Tehran is 38%.

What is the rainiest month in Tehran?

April is the month with the most rainfall. Rain falls for 13.5 days and accumulates 38mm (1.5") of precipitation.

How many days does it rain in April in Tehran?

In Tehran, in April, it is raining for 13.5 days, with typically 38mm (1.5") of accumulated precipitation.

When it does not snow in Tehran?

In Tehran, Iran, snow does not fall in April through October.

Does it snow in Tehran in April?

In April, in Tehran, Iran, it doesn't snow. March is the latest month when it typically snows.

What is the average length of the day in April in Tehran?

In Tehran, Iran, the average day length in April is 13h and 7min.

When are sunrise and sunset in April in Tehran?

In April, on the first day of the month, sunrise is at 05:50 and sunset at 18:26. On the last day of the month, in Tehran, sunrise is at 05:12 and sunset at 18:50 +0330.

How many hours of sunshine does Tehran have in April?

The average sunshine duration in April is 11.2h.

What is the UV index reading in April in Tehran?

The average daily maximum UV index in April is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in April
Tehran, Iran

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).

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Average pressure in April
Tehran, Iran

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).

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Average wind speed in April
Tehran, Iran

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).

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Average humidity in April
Tehran, Iran

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%).

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Average rainfall in April
Tehran, Iran

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).

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Average rainfall days in April
Tehran, Iran

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).

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Average snowfall in April
Tehran, Iran

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).

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Average snowfall days in April
Tehran, Iran

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).

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Average daylight in April /
Average sunshine in April
Tehran, Iran

Average daylight in April / Average sunshine in April - Tehran, Iran
  • Average daylight in April: 13h and 1min

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 1min

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).

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Average sunshine days in April
Tehran, Iran

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).

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Average UV index in April
Tehran, Iran

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).

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Average cloud cover in April
Tehran, Iran

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).

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Average visibility in April
Tehran, Iran

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).

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Tehran, Iran

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