Monthly weather forecast and climate
Tehran, Iran

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 January

January, like December, in Tehran, Iran, is another cold winter month, with average temperature ranging between max 5.8°C (42.4°F) and min -2.3°C (27.9°F). January is the coldest month, with an average high-temperature of 5.8°C (42.4°F) and an average low-temperature of -2.3°C (27.9°F). Weather in January »

Weather in February

February, the last month of the winter, in Tehran, is a frosty month, with average temperature fluctuating between -1°C (30.2°F) and 7.4°C (45.3°F). In February, the average high-temperature is practically the same as in January - a chilly 7.4°C (45.3°F). Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Tehran, Iran, with average temperature fluctuating between 4°C (39.2°F) and 12.8°C (55°F). In March, the average high-temperature rises, from a chilly 7.4°C (45.3°F) in February, to a fresh 12.8°C (55°F). Weather in March »

Weather in April

April in Tehran, Iran, is a comfortable spring month, with average temperature varying between 18.1°C (64.6°F) and 9.3°C (48.7°F). In Tehran, the average high-temperature rises, from a cool 12.8°C (55°F) in March, to a comfortable 18.1°C (64.6°F). Weather in April »

Weather in May

The last month of the spring, May, is a warm month in Tehran, Iran, with average temperature varying between 25°C (77°F) and 15.7°C (60.3°F). In May, the average high-temperature increases, from an enjoyable 18.1°C (64.6°F) in April, to a moderately hot 25°C (77°F). Weather in May »

Weather in June

June, the first month of the summer, in Tehran, is a tropical month, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 31°C (87.8°F). In June, the average high-temperature rises, from a moderately hot 25°C (77°F) in May, to a tropical 31°C (87.8°F). Weather in June »

Weather in July

July, the same as June, in Tehran, Iran, is another tropical summer month, with temperature in the range of an average low of 24.3°C (75.7°F) and an average high of 33.8°C (92.8°F). With an average high-temperature of 33.8°C (92.8°F) and an average low-temperature of 24.3°C (75.7°F), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Tehran, Iran, with average temperature fluctuating between 32.1°C (89.8°F) and 22.8°C (73°F). In Tehran, the average high-temperature is almost the same as in July - a still tropical 32.1°C (89.8°F). Weather in August »

Weather in September

September, the first month of the autumn, in Tehran, is still a warm month, with temperature in the range of an average low of 18.6°C (65.5°F) and an average high of 27.8°C (82°F). In Tehran, Iran, the average high-temperature marginally drops, from a tropical 32.1°C (89.8°F) in August, to a warm 27.8°C (82°F). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Tehran, Iran, with average temperature fluctuating between 20.7°C (69.3°F) and 12.1°C (53.8°F). In Tehran, Iran, the average high-temperature in October decreases, from a moderately hot 27.8°C (82°F) in September, to an agreeable 20.7°C (69.3°F). Weather in October »

Weather in November

November, the last month of the autumn, in Tehran, is also a fresh month, with average temperature ranging between max 11.7°C (53.1°F) and min 4.5°C (40.1°F). In Tehran, the average high-temperature significantly decreases, from a pleasant 20.7°C (69.3°F) in October, to a fresh 11.7°C (53.1°F). Weather in November »

Weather in December

December, the first month of the winter, in Tehran, is still a chilly month, with temperature in the range of an average low of -0.1°C (31.8°F) and an average high of 7.6°C (45.7°F). In Tehran, the average high-temperature slightly decreases, from a fresh 11.7°C (53.1°F) in November, to a frosty 7.6°C (45.7°F). Weather in December »
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FAQ

What is the coldest month in Tehran?

January is the coldest month, with an average high-temperature of 5.8°C (42.4°F) and an average low-temperature of -2.3°C (27.9°F).

How much does it rain in Tehran?

Throughout the year, there are 93.2 rainfall days, and 244mm (9.61") of precipitation is accumulated.

When does it snow in Tehran?

Months with snowfall in Tehran, Iran, are January through March, November and December.

How much does it snow in Tehran?

In Tehran, Iran, during the entire year, snow falls for 8.5 days, and aggregates up to 80mm (3.15") of snow.

What is the snowiest month in Tehran?

The month with the most snowfall is January when snow falls for 3.3 days and typically aggregates up to 27mm (1.06") of snow.

When is the lowest UV index in Tehran?

Months with the lowest UV index are January and December, with an average maximum UV index of 2.

What is the most humid month in Tehran?

With an average relative humidity of 52%, February is the most humid month in Tehran, Iran.

What is the month with the least sunshine in Tehran?

February has the least sunshine of the year in Tehran, Iran, with an average of 7h of sunshine.

What is the wettest month in Tehran?

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

When it does not snow in Tehran?

April through October are months without snowfall in Tehran, Iran.

When are the longest days in Tehran?

The month with the longest days is June, with an average of 14.5h of daylight.

What month has the most sunshine in Tehran?

June has the most sunshine of the year, with an average of 12.2h of sunshine.

What are the months with the highest UV index in Tehran?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the warmest month in Tehran?

The warmest month in Tehran is July, with an average high-temperature of 33.8°C (92.8°F) and an average low-temperature of 24.3°C (75.7°F).

What is the least humid month in Tehran?

The least humid month in Tehran is July, with an average relative humidity of 19%.

What is the driest month in Tehran?

The month with the least rainfall in Tehran, Iran, is September when the rain falls for 2.9 days and typically collects 6mm (0.24") of precipitation.

What is the month with the shortest days in Tehran?

The month with the shortest days in Tehran, Iran, is December, with an average of 9.8h of daylight.

Average pressure
Tehran, Iran

Average pressure - Tehran, Iran

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
Tehran, Iran

Average wind speed - Tehran, Iran

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 rainfall
Tehran, Iran

Average rainfall - Tehran, Iran

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
Tehran, Iran

Average rainfall days - Tehran, Iran

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
Tehran, Iran

Average snowfall - Tehran, Iran

The month with the highest snowfall is January (27mm).
Months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days
Tehran, Iran

Average snowfall days - Tehran, Iran

The month with the highest number of snowfall days is January (3.3 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Tehran, Iran

Average daylight / Average sunshine - Tehran, Iran

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.8h).

The month with the most sunshine is June (Average sunshine: 12.2h).
The month with the least sunshine is February (Average sunshine: 7h).

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Average sunshine days
Tehran, Iran

Average sunshine days - Tehran, Iran

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 visibility
Tehran, Iran

Average visibility - Tehran, Iran

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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