Climate and monthly weather forecastHeydar Didehban, Iran
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Heydar Didehban, Iran, with an average temperature ranging between max 1.9°C (35.4°F) and min -5.6°C (21.9°F). The month of January sees the lowest average temperatures, reaching 1.9°C (35.4°F) at the peak and -5.6°C (21.9°F) at the low. Weather in January »Weather in February
February, the last month of the winter in Heydar Didehban, is another cold month, with temperature in the range of an average low of -4.1°C (24.6°F) and an average high of 3.8°C (38.8°F). Heydar Didehban experiences a transition to a still wintry 3.8°C (38.8°F) in average high-temperatures with the arrival of February, not greatly differing from January's 1.9°C (35.4°F). Weather in February »Weather in March
March, the first month of the spring in Heydar Didehban, is a frosty month, with an average temperature varying between 0.2°C (32.4°F) and 9.3°C (48.7°F). In Heydar Didehban, the onset of March comes with an increased average high-temperature, moving from February's icy 3.8°C (38.8°F) to a frosty 9.3°C (48.7°F). Weather in March »Weather in April
April in Heydar Didehban, Iran, is a moderate spring month, with temperature in the range of an average high of 15.6°C (60.1°F) and an average low of 4.4°C (39.9°F). Heydar Didehban sees an increase in the average high-temperature with the arrival of April, moving from March's frosty 9.3°C (48.7°F) to a moderate 15.6°C (60.1°F). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Heydar Didehban, Iran, with an average temperature fluctuating between 9.3°C (48.7°F) and 22°C (71.6°F). With the onset of May, Heydar Didehban's average high-temperature sees a rise, moving from April's refreshing 15.6°C (60.1°F) to a pleasant 22°C (71.6°F). Weather in May »Weather in June
The first month of the summer, June, is a moderately hot month in Heydar Didehban, Iran, with an average temperature ranging between min 13.9°C (57°F) and max 28.4°C (83.1°F). June's arrival coincides with a rise in the average high-temperature, moving from May's agreeable 22°C (71.6°F) to a moderately hot 28.4°C (83.1°F). Weather in June »Weather in July
July is a tropical summer month in Heydar Didehban, Iran, with an average temperature ranging between min 18°C (64.4°F) and max 32.8°C (91°F). July is the month that records the highest temperatures, with averages ranging from a high of 32.8°C (91°F) to a low of 18°C (64.4°F). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Heydar Didehban, Iran, with an average temperature ranging between min 17.6°C (63.7°F) and max 32°C (89.6°F). The beginning of August records an average high-temperature of a still hot 32°C (89.6°F), marking a negligible difference from July's 32.8°C (91°F). Weather in August »Weather in September
September, the first month of the autumn in Heydar Didehban, is also a moderately hot month, with an average temperature fluctuating between 27.1°C (80.8°F) and 12.8°C (55°F). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a hot 32°C (89.6°F) in August to a moderately hot 27.1°C (80.8°F). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Heydar Didehban, Iran, with an average temperature ranging between min 8.1°C (46.6°F) and max 19.6°C (67.3°F). With October's onset, the weather shows a temperature decrease, transitioning from a warm 27.1°C (80.8°F) in September to an enjoyable 19.6°C (67.3°F). Weather in October »Weather in November
November, the last month of the autumn in Heydar Didehban, is another cool month, with an average temperature fluctuating between 10.4°C (50.7°F) and 1.4°C (34.5°F). The start of November is characterized by a significant decrease in the average high-temperature, moving from an enjoyable 19.6°C (67.3°F) in October to a fresh 10.4°C (50.7°F). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Heydar Didehban, Iran, with temperature in the range of an average low of -2.8°C (27°F) and an average high of 5.1°C (41.2°F). As November transitions into December, Heydar Didehban sees a drop in the average high-temperature, transitioning from a cool 10.4°C (50.7°F) to a wintry 5.1°C (41.2°F). Weather in December »Updated: Jan 26, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January stands out as Heydar Didehban's coldest month, with temperatures ranging between an average high of 1.9°C (35.4°F) and a low of -5.6°C (21.9°F).
January is the most humid month in Heydar Didehban, Iran, with an average relative humidity of 76%.
In Heydar Didehban, during the entire year, the rain falls for 72.3 days and collects up to 259mm (10.2") of precipitation.
January through April, November and December are months with snowfall in Heydar Didehban, Iran.
The months with the most snowfall in Heydar Didehban, Iran, are January and February, with an average 225mm (8.86") of accumulated snow.
In Heydar Didehban, during the entire year, snow falls for 29.2 days and aggregates up to 696mm (27.4") of snow.
The month with the least sunshine in Heydar Didehban is January, with an average of 6.6h of sunshine.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
In Heydar Didehban, snow does not fall in May through October.
With an average of 14h and 36min of daylight, June has the longest days of the year in Heydar Didehban.
June and July, with an average maximum UV index of 7, are months with the highest UV index.
July is Heydar Didehban's warmest month, registering average high temperatures of 32.8°C (91°F) and lows of 18°C (64.4°F).
The months with the lowest humidity in Heydar Didehban, Iran, are July and August, with an average relative humidity of 24%.
August is the only month when rain does not fall in Heydar Didehban.
August has the most sunshine of the year in Heydar Didehban, Iran, with an average of 12.1h of sunshine.
Months with rainfall are January through July, September through December.
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.
December has the shortest days of the year, with an average of 9h and 42min of daylight.
Heydar Didehban does not utilize Daylight Saving Time (DST). +0330 timezone is used over the entire year.
Average temperature
Heydar Didehban, Iran
The warmest month (with the highest average high temperature) is July (32.8°C).
The month with the lowest average high temperature is January (1.9°C).
The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-5.6°C).
Average pressure
Heydar Didehban, Iran
- Average pressure in January:
1021.6mbar - Average pressure in February:
1019.4mbar - Average pressure in March:
1016.1mbar - Average pressure in April:
1014.3mbar - Average pressure in May:
1012.9mbar - Average pressure in June:
1009.3mbar
- Average pressure in July:
1006.2mbar - Average pressure in August:
1008.3mbar - Average pressure in September:
1012.4mbar - Average pressure in October:
1017.3mbar - Average pressure in November:
1020.2mbar - Average pressure in December:
1022mbar
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
- Average wind speed in January:
8.1km/h - Average wind speed in February:
8.2km/h - Average wind speed in March:
10.9km/h - Average wind speed in April:
11.1km/h - Average wind speed in May:
12km/h - Average wind speed in June:
10.3km/h
- Average wind speed in July:
9.2km/h - Average wind speed in August:
8.5km/h - Average wind speed in September:
9.1km/h - Average wind speed in October:
9.2km/h - Average wind speed in November:
7.2km/h - Average wind speed in December:
7.3km/h
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
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (24%).
Average rainfall
Heydar Didehban, Iran
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days
Heydar Didehban, Iran
- Average rainfall days in January:
7.5 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
11.2 days - Average rainfall days in May:
6.3 days - Average rainfall days in June:
1.4 days
- Average rainfall days in July:
1.4 days - Average rainfall days in August:
0.3 days - Average rainfall days in September:
1.1 days - Average rainfall days in October:
5 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
8.8 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (0.3 days).
Average snowfall
Heydar Didehban, Iran
The months with the highest snowfall are January and February (225mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Heydar Didehban, Iran
- Average snowfall days in January:
10.3 days - Average snowfall days in February:
8.6 days - Average snowfall days in March:
3.9 days - Average snowfall days in April:
0.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1 days - Average snowfall days in December:
5.2 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Heydar Didehban, Iran
- Average daylight in January:
10h and 0min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 36min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January:
6h and 36min - Average sunshine in February:
8h and 0min - Average sunshine in March:
8h and 48min - Average sunshine in April:
10h and 36min - Average sunshine in May:
11h and 48min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 18min - Average sunshine in October:
7h and 54min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days
Heydar Didehban, Iran
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
14.3 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
20.3 days - Average sunshine days in June:
25.8 days
- Average sunshine days in July:
28.3 days - Average sunshine days in August:
30.2 days - Average sunshine days in September:
28.2 days - Average sunshine days in October:
24 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
19.6 days
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
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Heydar Didehban, Iran
The months with the most cloud cover are January, February and March (Cloud cover 30).
The months with the least cloud cover are August and September (Cloud cover 3).
Average visibility
Heydar Didehban, Iran
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).
