Tehran, the capital city of Iran, experiences a varied climate throughout the year.
Tehran’s hottest month is July, with average highs reaching 97°F and lows around 77°F.
Meanwhile, January marks the coldest month, with temperatures ranging from a high of 47°F to a low of 35°F. This fluctuation indicates the diverse weather patterns that residents and visitors encounter.
Throughout the year, Tehran’s average temperature hovers around 65°F, with precipitation levels at about 0.82 inches annually.
For those planning to visit in April, temperatures are mild and comfortable, providing an ideal climate for outdoor activities.
Understanding Tehran’s monthly weather averages can help in planning trips and daily activities in this dynamic city.
For a detailed look, monthly climate tables and graphs are available to illustrate Tehran weather patterns more clearly.
These resources offer historical data and comparisons with weather in nearby locations, helping readers get a comprehensive view of Tehran’s unique climate.
Average Temperature in Tehran, Iran
Tehran has a varied climate, with temperatures that can fluctuate throughout the year.
Monthly Average High and Low Temperatures:
| Month | High (°F) | Low (°F) |
|---|---|---|
| January | 47 | 35 |
| February | 51 | 40 |
| March | 61 | 47 |
| April | 72 | 55 |
| May | 81 | 64 |
| June | 91 | 72 |
| July | 97 | 77 |
| August | 94 | 75 |
| September | 87 | 69 |
| October | 74 | 55 |
| November | 59 | 45 |
| December | 48 | 36 |
Warmest Month:
The warmest month is July, with an average high temperature of 97°F and an average low of 77°F. This period is ideal for those who enjoy hot weather.
Coldest Month:
The coldest month is January, with average low temperatures around 35°F and highs reaching approximately 47°F.
Temperature Variations:
From November to March, the average daily high temperature stays below 57°F. This period is considered the cool season.
Tehran’s annual high temperature averages around 67.68°F. The city’s low annual precipitation also emphasizes its semi-desert climate.
These temperature fluctuations play a critical role in daily life and seasonal activities in the region.
Whether planning to visit or learning about Tehran, knowing these average temperatures helps prepare for what to expect year-round.
Average Precipitation in Tehran, Iran
Tehran experiences a range of precipitation patterns throughout the year, including both rainfall and occasional snowfall. These variations depend on the season, with distinct wet and dry periods.
Average Rainfall in Tehran, Iran
Tehran’s rainfall is generally sparse, with an annual precipitation of about 1.91 inches.
The rainy season typically spans from November to March. December is the wettest month, receiving around 0.6 inches of rain.
November and January also see considerable rainfall, each accumulating roughly 0.4 inches.
During the driest months from June to September, the city experiences almost no rainy days.
July is particularly dry with nearly zero inches of rain.
Tehran enjoys numerous dry days, especially in summer, making it suitable for outdoor activities.
| Month | Rainfall (Inches) |
|---|---|
| January | 0.4 |
| February | 0.3 |
| March | 0.3 |
| April | 0.1 |
| May | 0.1 |
| June | 0.0 |
| July | 0.0 |
| August | 0.0 |
| September | 0.0 |
| October | 0.1 |
| November | 0.4 |
| December | 0.6 |
Average Snow in Tehran, Iran
Snowfall in Tehran is less frequent but can occur, particularly in the high elevations.
The number of days with snowfall is limited, concentrated mainly in December and January.
On average, Tehran sees about three days of snowfall each year.
Snow accumulation is usually light, often melting within a few days.
The city’s elevation of 3,834.91 feet can lead to increased snowfall in certain northern neighborhoods.
These areas sometimes receive more substantial amounts of snow and ice, creating scenic winter landscapes.
Despite the occasional snow, the total snowfall remains relatively low compared to other regions with colder climates.
Average Sun in Tehran, Iran
Tehran experiences varied sunshine throughout the year, with significant differences in sunlight hours across seasons. The data highlights key patterns in solar energy and sunshine hours.
Average Daily Shortwave Solar Energy in Tehran, Iran
Tehran’s average daily shortwave solar energy varies by month, impacting the available sunshine hours and UV index.
| Month | Solar Energy (kWh/m²) | Sunshine Hours | UV Index |
|---|---|---|---|
| January | 2.6 | 5.6 | 2 |
| February | 3.4 | 6.5 | 4 |
| March | 4.5 | 7.2 | 6 |
| April | 5.7 | 8.1 | 8 |
| May | 6.8 | 10.1 | 9 |
| June | 7.3 | 11.6 | 10 |
| July | 7.1 | 11.9 | 10 |
| August | 6.8 | 11.3 | 9 |
| September | 6.1 | 9.7 | 8 |
| October | 5.0 | 7.6 | 6 |
| November | 3.2 | 5.9 | 3 |
| December | 2.3 | 5.4 | 2 |
During summer, Tehran receives high levels of solar energy, particularly in June and July.
The UV index reaches its peak in July, suggesting very high UV radiation which requires protective measures.
In contrast, the winter months like December have lower solar energy and fewer sunshine hours.
Average Humidity in Tehran, Iran
Tehran’s climate is quite varied, but it’s marked by its low humidity. The city generally experiences dry conditions throughout the year.
The following table shows the average relative humidity in Tehran by month:
| Month | Average Relative Humidity (%) |
|---|---|
| January | 69% |
| February | 66% |
| March | 58% |
| April | 53% |
| May | 43% |
| June | 33% |
| July | 29% |
| August | 28% |
| September | 31% |
| October | 40% |
| November | 55% |
| December | 65% |
Average Wind in Tehran, Iran
Tehran experiences moderate wind speeds throughout the year.
The wind plays a role in the city’s weather changes.
Table: Average Wind Speeds by Month
| Month | Average Wind Speed (mph) |
|---|---|
| January | 8 |
| February | 9 |
| March | 10 |
| April | 12 |
| May | 11 |
| June | 10 |
| July | 11 |
| August | 10 |
| September | 9 |
| October | 8 |
| November | 7 |
| December | 8 |
Wind speed varies slightly.
April is the windiest month with an average wind speed of 12 mph.
Tehran’s monthly wind speeds range from 7 mph in November to 12 mph in April.
The consistent breeze helps moderate temperatures, particularly during hotter months.
The wind can influence daily weather, making it important for outdoor activities and planning.
Average Air Quality in Tehran, Iran
Tehran faces significant air quality challenges throughout the year due to various factors including traffic and industrial emissions.
Monthly Air Quality Index (AQI)
| Month | AQI Level | Description |
|---|---|---|
| January | 135 | Unhealthy for Sensitive Groups |
| February | 132 | Unhealthy for Sensitive Groups |
| March | 110 | Unhealthy for Sensitive Groups |
| April | 85 | Moderate |
| May | 72 | Moderate |
| June | 88 | Moderate |
| July | 92 | Moderate |
| August | 105 | Unhealthy for Sensitive Groups |
| September | 99 | Moderate |
| October | 120 | Unhealthy for Sensitive Groups |
| November | 130 | Unhealthy for Sensitive Groups |
| December | 140 | Unhealthy for Sensitive Groups |
Other Factors
Pressure and visibility also play roles.
High pressure can trap pollutants close to the ground, making the air quality worse.
Visibility can drop significantly on days with high pollution.
Cloud cover can impact air quality as well.
Less cloud cover means more sunlight, which can increase the formation of ground-level ozone, a major component of smog.
Seasonal Trends
During winter months, Tehran’s air quality tends to worsen.
Lower temperatures and higher pressure conditions trap pollutants near the ground.
Summer months often see slight improvements in air quality though some hot days can still be problematic due to ozone formation.
Residents and visitors should stay informed about daily air quality levels, especially those with health concerns.
They can refer to the city’s air quality monitoring services for real-time updates.
Topography of Tehran, Iran
Tehran, the capital of Iran, is situated on the northern edge of the Iranian Plateau.
The city lies at the base of the towering Alborz Mountains, which contribute to its diverse terrain and elevation.
Tehran’s elevation ranges from about 3,281 feet to 6,329 feet above sea level.
This variation in altitude affects both the climate and the weather patterns experienced in the city.
The northern parts of Tehran are higher and cooler.
The southern sections of the city are lower and warmer.
This altitudinal gradient creates microclimates within different neighborhoods.
Tehran also fringes the central Iranian desert.
This geographical feature results in occasional dry, dusty conditions, especially in the warmer months.
Elevation Table
| Area | Minimum Elevation (feet) | Maximum Elevation (feet) |
|---|---|---|
| Northern | 4,921 | 6,329 |
| Central | 3,937 | 4,921 |
| Southern | 3,281 | 3,937 |
The Alborz Mountains, easily visible from many parts of Tehran, rise sharply and can be snow-capped most of the year.
These mountains influence local weather and provide recreational opportunities such as skiing.
Being situated between mountainous and desert regions, Tehran has varied landscapes, making it unique.
Whether one is exploring the peaks of the Alborz or venturing towards the desert plains, Tehran offers a distinctive mix of topographical features.
Overall, the topography of Tehran is defined by its mountains, plateaus, and desert edges, making it both a fascinating and complex geographical region.
Extreme Weather Events that Occur in Tehran, Iran
Tehran experiences a variety of extreme weather events due to its changing climate.
The city has witnessed an increase in heatwaves, heavy rainfall, and flash floods in recent years.
Heatwaves: Tehran has seen a rise in extremely high temperatures.
In the summer, temperatures can soar to levels that pose risks to health, leading to potential heatstroke.
Heavy Rainfall: Periods of intense rain can cause sudden flooding.
For example, flash floods have become more common, with heavy rain causing creeks and streams to overflow quickly.
Tables for Monthly Precipitation and Extreme Temperatures:
| Month | Average High (°F) | Average Low (°F) | Extreme Rainfall (Inches) |
|---|---|---|---|
| January | 44 | 34 | 1.5 |
| February | 49 | 37 | 1.7 |
| March | 58 | 45 | 2.0 |
| April | 66 | 51 | 1.2 |
| May | 77 | 60 | 0.7 |
| June | 86 | 69 | 0.3 |
| July | 91 | 73 | 0.2 |
| August | 90 | 72 | 0.1 |
| September | 83 | 66 | 0.3 |
| October | 72 | 55 | 0.9 |
| November | 57 | 42 | 1.2 |
| December | 47 | 35 | 1.6 |
Extreme Heat: Heat index levels in parts of Iran have reached up to 158°F.
This is particularly dangerous in urban areas like Tehran where concrete and buildings can trap heat.
Droughts: Limited rainfall can lead to droughts, affecting water supplies and agriculture.
Tehran’s growing population puts additional strain on resources.
Best Time of the Year to Visit Tehran, Iran
Tehran is a great place to visit at different times of the year, each offering unique experiences. Let’s look at what each season brings in terms of weather and activities.
What is Tehran, Iran Like in Spring
Spring in Tehran, from March to May, is mild and pleasant.
Temperatures range from 45°F to 70°F.
This is a great time for outdoor activities and exploring the city’s parks and gardens.
Spring months:
| Month | Temperature (°F) | Precipitation (in) |
|---|---|---|
| March | 45-60 | 1.2 |
| April | 50-68 | 1.0 |
| May | 55-75 | 0.5 |
Rain is more common in March and April, adding to the lush greenery. Travelers can enjoy festivals and cultural events.
What is Tehran, Iran Like in Summer
Summer in Tehran, from June to August, is hot and dry.
Temperatures can soar to 97°F during the day.
Summer months:
| Month | Temperature (°F) | Precipitation (in) |
|---|---|---|
| June | 70-90 | 0.0 |
| July | 77-97 | 0.0 |
| August | 75-95 | 0.0 |
The city experiences little to no rain.
Many people prefer to visit air-conditioned attractions or take trips to cooler areas nearby.
What is Tehran, Iran Like in Fall
Fall in Tehran, from September to November, is a mix of mild temperatures and clear skies.
Temperatures range from 55°F to 80°F.
Fall months:
| Month | Temperature (°F) | Precipitation (in) |
|---|---|---|
| September | 65-80 | 0.1 |
| October | 55-70 | 0.5 |
| November | 45-60 | 1.0 |
This is a great time for hiking in the surrounding mountains and enjoying the changing foliage.
The temperatures are comfortable and precipitation is minimal.
What is Tehran, Iran Like in Winter
Winter in Tehran, from December to February, is cold and can be snowy.
Temperatures range from 30°F to 47°F.
Winter months:
| Month | Temperature (°F) | Precipitation (in) |
|---|---|---|
| December | 30-45 | 1.5 |
| January | 30-47 | 1.5 |
| February | 35-50 | 1.0 |
The snow often blankets the nearby Alborz Mountains, offering skiing opportunities.
The city itself can be quite chilly, making it perfect for indoor cultural experiences.