Tehrān monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Tehrān

Tehrān average temperature chart (Celsius)

Tehrān average temperature chart (Fahrenheit)

Average monthly temperatures in Tehrān (degrees centigrade and fahrenheit)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
°C	5.3	7.8	13.4	19.9	25.9	32.1	34.9	33.6	29.7	22.1	14.6	7.9
°F	41.5	46	56.1	67.9	78.6	89.7	94.9	92.5	85.4	71.8	58.3	46.3

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Average monthly rainfall in Tehrān (mm and inches)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
mm	37	35	40	33	22	6	5	4	3	17	22	36
inches	1.5	1.4	1.6	1.3	0.9	0.2	0.2	0.1	0.1	0.6	0.9	1.4
Rainy days	10	9	11	11	10	3	2	2	2	6	7	9

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Tehrān

Average daily sunshine Tehrān
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hrs sunshine	5.9	6.7	6.9	7.7	9.6	12.1	11.7	11.3	10.7	8.6	7.3	6

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Tehrān average minimum / maximum temperatures (Celsius)

Tehrān average minimum / maximum temperatures (Fahrenheit)

Maximum and minimum daily temperatures in Tehrān (degrees centigrade and fahrenheit)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Min °C	-3.1	-1.4	3.4	9	14.1	18.8	22	20.9	17	10.8	4.8	-0.6
Max °C	5.5	8	13.7	20.2	26.2	32.4	35.3	34	30	22.4	14.9	8.2
Min °F	26.4	29.5	38	48.2	57.3	65.8	71.5	69.5	62.6	51.4	40.6	31
Max °F	34.2	37.9	47.3	58.3	68.2	78.1	83.5	81.3	74.3	61.9	49.6	38.8

Sea temperature

The graph below shows the average sea temperature.

Tehrān average sea temperature chart (Fahrenheit)

Average sea temperature around Tehrān in degrees centigrade and fahrenheit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
°C	13.1	11.7	11.9	14.7	19.8	24.7	27.3	28.3	26.8	23.7	19.8	15.9
°F	55.6	53	53.4	58.4	67.6	76.4	81.1	82.9	80.2	74.6	67.6	60.7

Wind speed

The graph below shows the average wind speed.

Average wind speed in Tehrān (mph and kmh)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
km/h	6	8	10	11	11	10	9	8	7	7	6	6
mph	4	5	6	7	7	6	6	5	5	5	4	4

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Average relative humidity in Tehrān
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
66%	58%	49%	41%	36%	27%	26%	26%	27%	38%	49%	62%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Tehrān weather stats

Tehrān weather statistics
Hottest month:	July	34.9°C 94.8°F
Driest month:	September	3mm 0.1ins
Sunniest month:	September	10.7hrs
Coldest month:	January	5.3°C 41.5°F
Wettest month:	March	40mm 1.6ins
Warmest sea:	August	28.3°C 82.9°F