Monthly weather forecast and climate
Heydar Didehban, Iran

January, like December, in Heydar Didehban, Iran, is a wintry winter month, with average temperature varying between -5.6°C (21.9°F) and 1.9°C (35.4°F). The coldest month is January, with an average high-temperature of 1.9°C (35.4°F) and an average low-temperature of -5.6°C (21.9°F). Weather in January »

The last month of the winter, February, is also a wintry month in Heydar Didehban, Iran, with temperature in the range of an average high of 3.8°C (38.8°F) and an average low of -4.1°C (24.6°F). In February, the average high-temperature is practically the same as in January - a still wintry 3.8°C (38.8°F). Weather in February »

The first month of the spring, March, is a frosty month in Heydar Didehban, Iran, with average temperature ranging between max 9.3°C (48.7°F) and min 0.2°C (32.4°F). In Heydar Didehban, the average high-temperature in March rises, from a cold 3.8°C (38.8°F) in February, to a frosty 9.3°C (48.7°F). Weather in March »

April is a moderate spring month in Heydar Didehban, Iran, with average temperature ranging between max 15.6°C (60.1°F) and min 4.4°C (39.9°F). In April, the average high-temperature increases, from a chilly 9.3°C (48.7°F) in March, to a moderate 15.6°C (60.1°F). Weather in April »

May, the last month of the spring, in Heydar Didehban, is a pleasant month, with temperature in the range of an average low of 9.3°C (48.7°F) and an average high of 22°C (71.6°F). In May, the average high-temperature rises, from a mild 15.6°C (60.1°F) in April, to an agreeable 22°C (71.6°F). Weather in May »

June, the first month of the summer, in Heydar Didehban, is a warm month, with average temperature ranging between min 13.9°C (57°F) and max 28.4°C (83.1°F). In June, the average high-temperature increases, from an agreeable 22°C (71.6°F) in May, to a moderately hot 28.4°C (83.1°F). Weather in June »

July in Heydar Didehban, Iran, is a hot summer month, with temperature in the range of an average high of 32.8°C (91°F) and an average low of 18°C (64.4°F). The warmest month is July, with an average high-temperature of 32.8°C (91°F) and an average low-temperature of 18°C (64.4°F). Weather in July »

The last month of the summer, August, is another tropical month in Heydar Didehban, Iran, with average temperature fluctuating between 17.6°C (63.7°F) and 32°C (89.6°F). In August, the average high-temperature is practically the same as in July - a still hot 32°C (89.6°F). Weather in August »

September, the first month of the autumn, in Heydar Didehban, is also a moderately hot month, with average temperature fluctuating between 12.8°C (55°F) and 27.1°C (80.8°F). In Heydar Didehban, the average high-temperature slightly decreases, from a tropical 32°C (89.6°F) in August, to a warm 27.1°C (80.8°F). Weather in September »

October, the same as September, is another comfortable autumn month in Heydar Didehban, Iran, with average temperature ranging between min 8.1°C (46.6°F) and max 19.6°C (67.3°F). In Heydar Didehban, Iran, the average high-temperature in October drops, from a moderately hot 27.1°C (80.8°F) in September, to a comfortable 19.6°C (67.3°F). Weather in October »

The last month of the autumn, November, is another cool month in Heydar Didehban, Iran, with average temperature varying between 1.4°C (34.5°F) and 10.4°C (50.7°F). In Heydar Didehban, Iran, the average high-temperature plummets, from an enjoyable 19.6°C (67.3°F) in October, to a cool 10.4°C (50.7°F). Weather in November »

December, the first month of the winter, in Heydar Didehban, is still a cold month, with average temperature fluctuating between -2.8°C (27°F) and 5.1°C (41.2°F). In Heydar Didehban, the average high-temperature drops, from a fresh 10.4°C (50.7°F) in November, to a wintry 5.1°C (41.2°F). Weather in December »

What is the coldest month in Heydar Didehban?

January is the coldest month in Heydar Didehban, Iran, with an average high-temperature of 1.9°C (35.4°F) and an average low-temperature of -5.6°C (21.9°F).

What is the most humid month in Heydar Didehban?

The most humid month is January, with an average relative humidity of 76%.

How many days does it rain in Heydar Didehban?

In Heydar Didehban, Iran, during the entire year, the rain falls for 72.3 days and collects up to 259mm (10.2") of precipitation.

When does it snow in Heydar Didehban?

January through April, November and December are months with snowfall in Heydar Didehban, Iran.

How many days does it snow in Heydar Didehban?

In Heydar Didehban, during the entire year, snow falls for 29.2 days, and aggregates up to 696mm (27.4") of snow.

When does it snow the most in Heydar Didehban?

Months with the most snowfall in Heydar Didehban, Iran, are January and February, with an average 225mm (8.86") of accumulated snow.

What is the month with the least sunshine in Heydar Didehban?

The month with the least sunshine in Heydar Didehban, Iran, is January, with an average of 6.6h of sunshine.

When is the lowest UV index in Heydar Didehban?

Months with the lowest UV index in Heydar Didehban are January through March, November and December, with an average maximum UV index of 2.

When it does not snow in Heydar Didehban?

In Heydar Didehban snow does not fall in May through October.

When are the longest days in Heydar Didehban?

With an average of 14.6h of daylight, June has the longest days of the year.

What is the month with the highest UV index in Heydar Didehban?

Months with the highest UV index in Heydar Didehban are June and July, with an average maximum UV index of 7.

What is the warmest month in Heydar Didehban?

With an average high-temperature of 32.8°C (91°F) and an average low-temperature of 18°C (64.4°F), July is the warmest month.

What are the least humid months in Heydar Didehban?

Months with the lowest humidity in Heydar Didehban are July and August, with an average relative humidity of 24%.

What is the driest month in Heydar Didehban?

August is the only month when rain does not fall.

What month has the most sunshine in Heydar Didehban?

The month with the most sunshine in Heydar Didehban is August, with an average of 12.1h of sunshine.

When does it rain in Heydar Didehban?

January through July, September through December are months with rainfall.

What is the rainiest month in Heydar Didehban?

The month with the most rainfall is December when the rain falls for 8.8 days and typically aggregates up to 51mm (2.01") of precipitation.

What is the month with the shortest days in Heydar Didehban?

December has the shortest days of the year, with an average of 9.7h of daylight.
Average pressure - Heydar Didehban, Iran

The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is July (1006.2mbar).

Average wind speed - Heydar Didehban, Iran

The windiest month (with the highest average wind speed) is May (12km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).

Average humidity - Heydar Didehban, Iran
Average rainfall - Heydar Didehban, Iran
Average rainfall days - Heydar Didehban, Iran
Average snowfall - Heydar Didehban, Iran

Months with the highest snowfall are January and February (225mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days - Heydar Didehban, Iran

The month with the highest number of snowfall days is January (10.3 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine - Heydar Didehban, Iran

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

The month with the most sunshine is August (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 6.6h).

Average sunshine days - Heydar Didehban, Iran

The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (14.3 days).

Average UV index - Heydar Didehban, Iran
Average cloud cover - Heydar Didehban, Iran
Average visibility - Heydar Didehban, Iran

Months with the highest visibility are April, May, June, July, August, September, October and November (10km).
Months with the lowest visibility are January, February, March and December (9km).