Tehran Climate Guide to the Average Weather & Temperatures with Graphs Elucidating Sunshine and Rainfall Data & Information about Wind Speeds & Humidity:

• Tehran, Iran latitude & longitude; 35°41'N 51°21'E.
• Altitude; 1191 m (3907 ft).
• The average temperature in Tehran, Iran is 16.7 °C (62 °F).
• The range of average monthly temperatures is 26 °C.
• The warmest average max/ high temperature is 36 °C (97 °F) in July.
• The coolest average min/ low temperature is -1 °C (30 °F) in January.
• Tehran receives on average 213 mm (8.4 in) of precipitation annually or 18 mm (0.7 in) each month.
• On balance there are 35 days annually on which greater than 0.1 mm (0.004 in) of precipitation (rain, sleet, snow or hail) occurrs or 3 days on an average month.
• The month with the driest weather is July, August & September when on balance 0 mm (0.0 in) of rainfall (precipitation) occurrs.
• The month with the wettest weather is January when on balance 39 mm (1.5 in) of rain, sleet, hail or snow falls across 5 days.
• Mean relative humidity for an average year is recorded as 40.6% and on a monthly basis it ranges from 24% in August to 67% in January.
• On balance there are 54 days annually registering frost in Tehran and in January there are on average 20 days with frost.

Tehran Climate Graph (Metric | Imperial units)

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Tehran Weather Averages

Tehran Climograph/ Climate Chart (imperial)

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Tehran Temperatures in Farenheit