Climate and monthly weather forecastSiasak, Iran
Climate and monthly weather forecast
Weather in January
January, the same as December, in Siasak, Iran, is a frosty winter month, with an average temperature fluctuating between -1°C (30.2°F) and 7.5°C (45.5°F). January, recording an average high temperature of 7.5°C (45.5°F) and a low temperature of -1°C (30.2°F), is Siasak's coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a frosty month in Siasak, Iran, with an average temperature fluctuating between 8.3°C (46.9°F) and -0.6°C (30.9°F). Siasak registers an average high-temperature of a still frosty 8.3°C (46.9°F) with the arrival of February, showing minor deviation from the preceding month. Weather in February »Weather in March
March, the first month of the spring in Siasak, is a moderate month, with an average temperature fluctuating between 5°C (41°F) and 14.4°C (57.9°F). Siasak experiences a temperature shift with the start of March, with average high-temperatures moving from a frosty 8.3°C (46.9°F) in February to a refreshing 14.4°C (57.9°F). Weather in March »Weather in April
April is a refreshing spring month in Siasak, Iran, with temperature in the range of an average low of 9.3°C (48.7°F) and an average high of 19.5°C (67.1°F). April's arrival brings a temperature shift, moving from a moderate 14.4°C (57.9°F) in March to a still refreshing 19.5°C (67.1°F). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Siasak, Iran, with temperature in the range of an average low of 15.3°C (59.5°F) and an average high of 25.6°C (78.1°F). Siasak's May weather brings a rise in high-temperatures, moving from a refreshing 19.5°C (67.1°F) in April to a moderately hot 25.6°C (78.1°F). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Siasak, Iran, with an average temperature ranging between min 19.3°C (66.7°F) and max 30°C (86°F). The arrival of June introduces a minor uplift in high-temperatures, adjusting from a warm 25.6°C (78.1°F) in May to a tropical 30°C (86°F). Weather in June »Weather in July
July, the same as June, in Siasak, Iran, is another tropical summer month, with an average temperature fluctuating between 32.1°C (89.8°F) and 20.9°C (69.6°F). July, on average, is the warmest month, registering a high temperature of 32.1°C (89.8°F) and a low of 20.9°C (69.6°F). Weather in July »Weather in August
The last month of the summer, August, is another tropical month in Siasak, Iran, with temperature in the range of an average high of 30°C (86°F) and an average low of 19°C (66.2°F). August's presence marks an average high-temperature of a still hot 30°C (86°F), subtly varied from July's 32.1°C (89.8°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Siasak, Iran, with an average temperature fluctuating between 14.8°C (58.6°F) and 26.2°C (79.2°F). September marks a gentle change in average high-temperature, declining from August's hot 30°C (86°F) to a moderately hot 26.2°C (79.2°F). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Siasak, Iran, with temperature in the range of an average high of 20.1°C (68.2°F) and an average low of 9.6°C (49.3°F). With the beginning of October, the average high-temperature shows a decrease, transitioning from a warm 26.2°C (79.2°F) in September to an agreeable 20.1°C (68.2°F). Weather in October »Weather in November
November, the last month of the autumn in Siasak, is also a fresh month, with an average temperature varying between 12.5°C (54.5°F) and 3.4°C (38.1°F). Siasak in November experiences a subtle temperature decline, with average high-temperatures reducing from an agreeable 20.1°C (68.2°F) in October to a cool 12.5°C (54.5°F). Weather in November »Weather in December
The first month of the winter, December, is still a chilly month in Siasak, Iran, with an average temperature varying between 9.1°C (48.4°F) and 0.2°C (32.4°F). The commencement of December indicates a gentle shift in the average high-temperature, receding from November's fresh 12.5°C (54.5°F) to a chilly 9.1°C (48.4°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Siasak, Iran
The warmest month (with the highest average high temperature) is July (32.1°C).
The month with the lowest average high temperature is January (7.5°C).
The month with the highest average low temperature is July (20.9°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average pressure
Siasak, Iran
- Average pressure in January:
1021mbar - Average pressure in February:
1019.8mbar - Average pressure in March:
1016.2mbar - Average pressure in April:
1015mbar - Average pressure in May:
1012.1mbar - Average pressure in June:
1009.1mbar
- Average pressure in July:
1007.2mbar - Average pressure in August:
1009.9mbar - Average pressure in September:
1014mbar - Average pressure in October:
1018.8mbar - Average pressure in November:
1022.1mbar - Average pressure in December:
1022.9mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is July (1007.2mbar).
Average wind speed
Siasak, Iran
- Average wind speed in January:
8.7km/h - Average wind speed in February:
8.9km/h - Average wind speed in March:
10.5km/h - Average wind speed in April:
10.4km/h - Average wind speed in May:
10.5km/h - Average wind speed in June:
13km/h
- Average wind speed in July:
15.7km/h - Average wind speed in August:
13.2km/h - Average wind speed in September:
9.9km/h - Average wind speed in October:
8.4km/h - Average wind speed in November:
7.8km/h - Average wind speed in December:
8.2km/h
The windiest month (with the highest average wind speed) is July (15.7km/h).
The calmest month (with the lowest average wind speed) is November (7.8km/h).
Average humidity
Siasak, Iran
The month with the highest relative humidity is February (59%).
The month with the lowest relative humidity is July (20%).
Average rainfall
Siasak, Iran
The wettest month (with the highest rainfall) is April (35mm).
The driest months (with the least rainfall) are July, August and September (0mm).
Average rainfall days
Siasak, Iran
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
12 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
9.4 days - Average rainfall days in June:
1.7 days
- Average rainfall days in July:
0.7 days - Average rainfall days in August:
0.3 days - Average rainfall days in September:
0.6 days - Average rainfall days in October:
2.8 days - Average rainfall days in November:
4.8 days - Average rainfall days in December:
4.5 days
The month with the highest number of rainy days is March (12 days).
The month with the least rainy days is August (0.3 days).
Average snowfall
Siasak, Iran
The month with the highest snowfall is February (126mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days
Siasak, Iran
- Average snowfall days in January:
4.3 days - Average snowfall days in February:
5 days - Average snowfall days in March:
1.5 days - Average snowfall days in April:
0.5 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:
0.1 days - Average snowfall days in November:
1.4 days - Average snowfall days in December:
2.5 days
The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Siasak, 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 24min - 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:
7h and 0min - Average sunshine in February:
6h and 54min - Average sunshine in March:
8h and 48min - Average sunshine in April:
10h and 36min - Average sunshine in May:
12h and 0min - Average sunshine in June:
12h and 12min
- Average sunshine in July:
12h and 18min - Average sunshine in August:
12h and 30min - Average sunshine in September:
10h and 0min - Average sunshine in October:
9h and 48min - Average sunshine in November:
7h and 24min - Average sunshine in December:
7h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 54min).
Average sunshine days
Siasak, Iran
- Average sunshine days in January:
21.9 days - Average sunshine days in February:
15.8 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
16.5 days - Average sunshine days in June:
26.4 days
- Average sunshine days in July:
30.3 days - Average sunshine days in August:
30.4 days - Average sunshine days in September:
29.3 days - Average sunshine days in October:
26.6 days - Average sunshine days in November:
22.4 days - Average sunshine days in December:
24.5 days
The month with the most sunshine days is August (30.4 days).
The month with the least sunshine days is April (14.8 days).
Average UV index
Siasak, Iran
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover
Siasak, Iran
The month with the most cloud cover is February (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 2).
Average visibility
Siasak, Iran
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).





