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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Rostam Rah, Iran, is another cold winter month, with an average temperature fluctuating between -3.6°C (25.5°F) and 3.7°C (38.7°F). January, marked by an average high-temperature of 3.7°C (38.7°F) and a low-temperature of -3.6°C (25.5°F), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Rostam Rah, is also an icy month, with an average temperature varying between 5.4°C (41.7°F) and -2.7°C (27.1°F). In February, Rostam Rah experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 3.7°C (38.7°F) in January to a still icy 5.4°C (41.7°F). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Rostam Rah, Iran, with temperature in the range of an average high of 10.8°C (51.4°F) and an average low of 1.3°C (34.3°F). In Rostam Rah, the onset of March comes with an increased average high-temperature, moving from February's wintry 5.4°C (41.7°F) to a fresh 10.8°C (51.4°F). Weather in March »
Weather in April
April is a refreshing spring month in Rostam Rah, Iran, with temperature in the range of an average low of 5.7°C (42.3°F) and an average high of 16.3°C (61.3°F). Rostam Rah experiences a temperature shift with the start of April, with average high-temperatures moving from a fresh 10.8°C (51.4°F) in March to an enjoyable 16.3°C (61.3°F). Weather in April »
Weather in May
May, the last month of the spring in Rostam Rah, is a pleasant month, with an average temperature fluctuating between 22.6°C (72.7°F) and 10.3°C (50.5°F). The start of May brings a rise in the average high-temperature, moving from a comfortable 16.3°C (61.3°F) in April to an agreeable 22.6°C (72.7°F). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Rostam Rah, Iran, with an average temperature fluctuating between 14.1°C (57.4°F) and 29.8°C (85.6°F). June's arrival sees a rise in the average high-temperature, jumping from May's pleasant 22.6°C (72.7°F) to a warm 29.8°C (85.6°F). Weather in June »
Weather in July
July in Rostam Rah, Iran, is a tropical summer month, with an average temperature varying between 33.4°C (92.1°F) and 17.2°C (63°F). Rostam Rah's July weather, marked by an average high temperature of 33.4°C (92.1°F) and an average low temperature of 17.2°C (63°F), is the warmest in the year. Weather in July »
Weather in August
August, the last month of the summer in Rostam Rah, is another tropical month, with an average temperature varying between 16°C (60.8°F) and 32.6°C (90.7°F). August registers an average high-temperature of a still tropical 32.6°C (90.7°F), slightly varied from July's 33.4°C (92.1°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Rostam Rah, Iran, with an average temperature fluctuating between 27.9°C (82.2°F) and 11.5°C (52.7°F). The shift from August to September coincides with a small decrease in the average high-temperature, down to a warm 27.9°C (82.2°F) from a hot 32.6°C (90.7°F). Weather in September »
Weather in October
October, like September, is another pleasant autumn month in Rostam Rah, Iran, with temperature in the range of an average low of 6.8°C (44.2°F) and an average high of 20.8°C (69.4°F). A subtle decrease in the average high-temperature marks October, falling from September's warm 27.9°C (82.2°F) to a pleasant 20.8°C (69.4°F). Weather in October »
Weather in November
November, the last month of the autumn in Rostam Rah, is also a fresh month, with an average temperature varying between 2.4°C (36.3°F) and 11.4°C (52.5°F). The onset of November brings a clear temperature shift, with the average high-temperature decreasing from an agreeable 20.8°C (69.4°F) in October to a cool 11.4°C (52.5°F). Weather in November »
Weather in December
December, the first month of the winter in Rostam Rah, is still a chilly month, with an average temperature fluctuating between 6.6°C (43.9°F) and -1.1°C (30°F). December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's cool 11.4°C (52.5°F) to a chilly 6.6°C (43.9°F). Weather in December »
Updated: Jul 19, 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
What time of the year is the coldest?
With an average high-temperature of 3.7°C (38.7°F) and an average low-temperature of -3.6°C (25.5°F), January is the coldest month in Rostam Rah.
What are the most humid months?
The months with the highest humidity in Rostam Rah are January and February, with an average relative humidity of 68%.
How much does it rain?
Throughout the year, there are 83.6 rainfall days, and 350mm (13.78") of precipitation is accumulated.
When does it snow?
January through March, November and December are months with snowfall.
When does it snow the most?
January is the month with the most snowfall. Snow falls for 6.9 days and accumulates 153mm (6.02") of snow.
How much does it snow?
In Rostam Rah, during the entire year, snow falls for 17.6 days and aggregates up to 442mm (17.4") of snow.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 6.6h of sunshine.
What is the month with the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the rainiest month?
The month with the most rainfall is March, when the rain falls for 12.9 days and typically aggregates up to 64mm (2.52") of precipitation.
When it does not snow?
April through October are months without snowfall.
When are the longest days?
The month with the longest days is June, with an average of 14h and 24min of daylight.
What are the months with the most sunshine?
June through August, with an average of 11.9h of sunshine, are months with the most sunshine.
When is the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 7.
What is the warmest month?
Rostam Rah reaches its average highest temperatures in July, measuring 33.4°C (92.1°F) at the peak and 17.2°C (63°F) at the lowest.
What is the least humid month in Rostam Rah?
July is the least humid month, with an average relative humidity of 19%.
What is the driest month?
August is the month with the least rainfall. Rain falls for 1.3 days and accumulates 1mm (0.04") of precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 54min of daylight.
Is there Daylight Saving Time (DST)?
Rostam Rah does not utilize Daylight Saving Time (DST). +0330 timezone is used throughout the entire year.
Average temperature
Rostam Rah, Iran
The warmest month (with the highest average high temperature) is July (33.4°C).
The month with the lowest average high temperature is January (3.7°C).
The month with the highest average low temperature is July (17.2°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure
Rostam Rah, Iran
- Average pressure in January:
1020.6mbar - Average pressure in February:
1018.6mbar - Average pressure in March:
1015.9mbar - Average pressure in April:
1014.6mbar - Average pressure in May:
1013mbar - Average pressure in June:
1007.9mbar
- Average pressure in July:
1004.7mbar - Average pressure in August:
1007.2mbar - Average pressure in September:
1011.7mbar - Average pressure in October:
1017.3mbar - Average pressure in November:
1019.8mbar - Average pressure in December:
1021.3mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is July (1004.7mbar).
Average wind speed
Rostam Rah, Iran
- Average wind speed in January:
8.5km/h - Average wind speed in February:
9.1km/h - Average wind speed in March:
10.7km/h - Average wind speed in April:
10.4km/h - Average wind speed in May:
10.2km/h - Average wind speed in June:
8.9km/h
- Average wind speed in July:
8.6km/h - Average wind speed in August:
7.9km/h - Average wind speed in September:
7.8km/h - Average wind speed in October:
8.3km/h - Average wind speed in November:
7.2km/h - Average wind speed in December:
7.7km/h
The windiest month (with the highest average wind speed) is March (10.7km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).
Average humidity
Rostam Rah, Iran
The months with the highest relative humidity are January and February (68%).
The month with the lowest relative humidity is July (19%).
Average rainfall
Rostam Rah, Iran
The wettest month (with the highest rainfall) is March (64mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days
Rostam Rah, Iran
- Average rainfall days in January:
9.5 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
8.6 days - Average rainfall days in June:
1.4 days
- Average rainfall days in July:
2 days - Average rainfall days in August:
1.3 days - Average rainfall days in September:
1.6 days - Average rainfall days in October:
6.1 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
8.8 days
The month with the highest number of rainy days is April (13.6 days).
The month with the least rainy days is August (1.3 days).
Average snowfall
Rostam Rah, Iran
The month with the highest snowfall is January (153mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days
Rostam Rah, Iran
- Average snowfall days in January:
6.9 days - Average snowfall days in February:
4.9 days - Average snowfall days in March:
2.2 days - Average snowfall days in April:
0 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:
0.9 days - Average snowfall days in December:
2.7 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Rostam Rah, Iran
- Average daylight in January:
10h and 1min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 5min - Average daylight in June:
14h and 2min
- Average daylight in July:
14h and 1min - Average daylight in August:
13h and 2min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 2min - Average daylight in November:
10h and 2min - Average daylight in December:
9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
6h and 4min - Average sunshine in February:
7h and 3min - Average sunshine in March:
9h and 0min - Average sunshine in April:
10h and 5min - Average sunshine in May:
11h and 4min - Average sunshine in June:
11h and 5min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
11h and 1min - Average sunshine in October:
7h and 2min - Average sunshine in November:
7h and 1min - Average sunshine in December:
6h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days
Rostam Rah, Iran
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
14.3 days - Average sunshine days in May:
18.6 days - Average sunshine days in June:
27.3 days
- Average sunshine days in July:
28.7 days - Average sunshine days in August:
28.9 days - Average sunshine days in September:
27.7 days - Average sunshine days in October:
22.6 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is April (14.3 days).
Average UV index
Rostam Rah, 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 and December (UV index 2).
Average cloud cover
Rostam Rah, Iran
The month with the most cloud cover is January (Cloud cover 31).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility
Rostam Rah, Iran
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
