August Weather in Semnan, Iran

Last updated: August 23, 2025

In August, the average temperature in Semnan, Iran hovers around 29°C (84°F), offering a warm climate for both locals and visitors. Temperatures can vary significantly, dipping as low as 16°C (62°F) and soaring up to a sizzling 41°C (107°F). Rainfall is minimal, with an average precipitation of just 1 mm (0.0 in) spread across 0 days, and humidity remains comfortably low at 28%.

August Temperature in Semnan

In August in Semnan, the average temperature is 29°C (84°F), with maximums reaching up to 41°C (107°F) and minimums dropping as low as 16°C (62°F). This makes it essential for travelers to prepare for a wide range of temperatures during their visit.

August Weather in Semnan: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Semnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Semnan, August typically has an average temperature of 29°C (84°F), with highs reaching up to 41°C (107°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec394353627283878377635043
Data source: Temperature data for Semnan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Semnan

In Semnan in August, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

August Precipitation Trends in Semnan

The chart displays monthly precipitation patterns in Semnan, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Semnan, August typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec1121221712101281911
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Semnan

In Semnan in August humidity is 28%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace, making for a comfortably pleasant atmosphere for traveling.

August Average Humidity in Semnan

This chart illustrates the average monthly humidity levels in Semnan, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Semnan is approximately 28%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%63%57%57%47%34%28%33%51%66%65%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Semnan

In Semnan in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Semnan.

Maximum UV Index Levels in Semnan for August

The chart shows the monthly maximum UV Index (UVI) for Semnan in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Semnan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec459101312121110754
Data source: Semnan August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Semnan Compares to Other Months

Weather in Semnan varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Semnan, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Semnan, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)11 mm (0.4 inches)63%moderate
February Weather6°C (44°F)21 mm (0.8 inches)62%moderate
March Weather12°C (53°F)21 mm (0.8 inches)63%very high
April Weather17°C (63°F)17 mm (0.7 inches)57%very high
May Weather22°C (72°F)12 mm (0.5 inches)57%extreme
June Weather29°C (84°F)1 mm (0.0 inches)47%extreme
July Weather31°C (88°F)0 mm (0.0 inches)34%extreme
August Weather29°C (84°F)1 mm (0.0 inches)28%extreme
September Weather25°C (77°F)2 mm (0.1 inches)33%very high
October Weather17°C (63°F)8 mm (0.3 inches)51%high
November Weather10°C (50°F)19 mm (0.8 inches)66%moderate
December Weather6°C (43°F)11 mm (0.4 inches)65%moderate

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