Shiraz, located in the southwest of Iran, experiences a climate that is both arid and varied across the year.
During the summer, temperatures can soar to 99°F, with clear skies being the norm, making it ideal for those who enjoy hot weather.
In contrast, winters are cold, with temperatures often falling to 32°F, providing a distinct seasonal experience.
Precipitation in Shiraz is relatively low throughout the year, contributing to its dry conditions. The city receives more sunlight during the summer, with long daylight hours peaking at 14 hours in June and July.
This abundance of sunshine enhances the bright and arid characteristic of Shiraz’s summer months.
For those planning a visit, it’s worth noting the significant temperature variations.
From May to September, expect hot and dry conditions, while November to March brings cooler weather.
This makes Shiraz an interesting destination for year-round exploration, offering a different experience with each season.
Learn more about the year-round climate in Shiraz for a detailed overview.
Average Temperature In Shiraz, Iran
The climate in Shiraz, Iran, features significant variations in temperature throughout the year. Winters are cool, while summers are quite hot.
Summer:
- June: Maximum temperature around 95°F
- July: Hottest month, maximum temperature of 99°F
- August: Maximum temperature around 97°F
Winter:
- January: Minimum temperature around 32°F
- February: Minimum temperature around 34°F
- December: Minimum temperature around 36°F
Spring/Fall:
- March: Mean temperature around 56°F
- April: Mean temperature around 64°F
- May: Mean temperature around 74°F
- September: Mean temperature around 75°F
- October: Mean temperature around 64°F
- November: Mean temperature around 50°F
Monthly Averages Table
| Month | Max Temperature (°F) | Min Temperature (°F) |
|---|---|---|
| January | 52 | 32 |
| February | 56 | 34 |
| March | 64 | 44 |
| April | 74 | 50 |
| May | 84 | 60 |
| June | 95 | 68 |
| July | 99 | 72 |
| August | 97 | 71 |
| September | 89 | 64 |
| October | 75 | 54 |
| November | 64 | 44 |
| December | 54 | 36 |
This climate graph gives a clear view of the temperature trends by month.
Understanding these averages helps to better plan activities and dress accordingly when visiting Shiraz.
Average Precipitation In Shiraz, Iran
Shiraz’s climate features unique precipitation patterns throughout the year, mostly consisting of limited rainfall and rare occurrences of snow.
Average Rainfall In Shiraz, Iran
Shiraz experiences most of its rainfall during the cooler months, especially from November to April. On average, the city receives about 0.91 inches of precipitation annually.
The wettest month in Shiraz is typically January, with an average of 1.14 inches of rain.
Monthly precipitation levels in Shiraz:
| Month | Rainfall (inches) |
|---|---|
| January | 1.14 |
| February | 0.85 |
| March | 0.71 |
| April | 0.32 |
| May | 0.12 |
| June | 0.04 |
| July | 0.02 |
| August | 0.00 |
| September | 0.01 |
| October | 0.11 |
| November | 0.28 |
| December | 0.71 |
The driest month in Shiraz is August, which sees almost no rainfall.
Long dry spells can be observed, especially during the scorching summer months.
Average Snow In Shiraz, Iran
Snow is an uncommon phenomenon in Shiraz due to its arid environment and mild winter temperatures. The city occasionally experiences light snow during the coldest months, particularly in January and February, when nighttime temperatures may dip below freezing.
Shiraz does not accumulate significant snow cover, and any snow that does fall melts quickly.
This rarity of snowfall contributes to the arid characteristic of its winter season.
People in Shiraz mainly see precipitation from rain, with snowfall being almost a negligible part of the annual weather pattern.
These light snow events primarily occur in the higher elevations around Shiraz rather than in the city itself.
Average Sun In Shiraz, Iran
In Shiraz, Iran, sunlight varies significantly throughout the year. This section covers key aspects including solar energy and UV index patterns, providing a clear understanding of the city’s sunshine and daylight hours.
Average Daily Shortwave Solar Energy In Shiraz, Iran
Shiraz experiences a wide range of shortwave solar energy throughout the year.
During summer months, solar energy is at its peak, with Shiraz receiving up to 7.5 kWh per square meter per day. These months also have the longest daylight hours, providing ample sunshine.
In winter, the average daily shortwave solar energy drops.
Between November and February, Shiraz gets around 3.5 to 4 kWh per square meter per day. UV index readings also tend to be lower during these months due to reduced sunshine hours.
| Month | Avg. Solar Energy (kWh/m²) | Daylight Hours | Sunshine Hours |
|---|---|---|---|
| January | 3.6 | 10 | 5 |
| July | 7.5 | 14 | 12 |
UV index information is important for health.
In Shiraz during peak sun months like July, the UV index can reach high levels of 9-10 on a scale of 1 to 11+, indicating strong potential for skin damage without proper protection.
Conversely, winter months usually see a lower UV index around 3-4.
Average Humidity In Shiraz, Iran
Shiraz experiences varied humidity levels throughout the year. The average humidity is relatively low due to its arid climate.
January’s average humidity is about 68%, making it one of the more humid months.
February and March see averages of 65% and 60%, respectively.
In the summer months, the humidity drops significantly.
June and July have lower humidity, averaging around 35%. This is the driest period, which coincides with the highest temperatures.
| Month | Average Humidity |
|---|---|
| January | 68% |
| February | 65% |
| March | 60% |
| April | 57% |
| May | 40% |
| June | 35% |
| July | 35% |
| August | 40% |
| September | 45% |
| October | 50% |
| November | 55% |
| December | 65% |
Average Wind In Shiraz, Iran
The average wind speed in Shiraz, Iran varies throughout the year. Wind speeds are generally moderate but can reach higher values in specific months.
The windiest month is June, with an average wind speed of about 7 mph. During this month, the wind often comes from the west.
Other months like April and May also experience significant winds, though not as high as June.
Here is a table summarizing average wind speeds by month:
| Month | Avg. Wind Speed (mph) |
|---|---|
| January | 5 mph |
| February | 5 mph |
| March | 6 mph |
| April | 6 mph |
| May | 6 mph |
| June | 7 mph |
| July | 5 mph |
| August | 5 mph |
| September | 5 mph |
| October | 4 mph |
| November | 4 mph |
| December | 4 mph |
Most of the wind direction in Shiraz is from the west, which is consistent throughout the year.
Wind speeds tend to be lower during the winter months. January, for instance, sees average wind speeds at around 4-5 mph.
Higher wind speeds contribute to a more comfortable environment during the hot summer months, providing some relief from the heat.
For more information, you can explore wind-related articles.
Understanding the variations in wind speed and direction can be essential for planning outdoor activities and managing dust and pollution levels in Shiraz.
Average Air Quality In Shiraz, Iran
Shiraz, Iran, experiences variable air quality throughout the year. The air quality index (AQI) can fluctuate based on seasonal changes, weather patterns, and human activities.
Monthly Average AQI:
| Month | AQI Level |
|---|---|
| January | 85 (Moderate) |
| February | 78 (Moderate) |
| March | 70 (Moderate) |
| April | 65 (Moderate) |
| May | 60 (Moderate) |
| June | 75 (Moderate) |
| July | 80 (Moderate) |
| August | 90 (Moderate) |
| September | 85 (Moderate) |
| October | 80 (Moderate) |
| November | 75 (Moderate) |
| December | 82 (Moderate) |
Typical Pollutants:
- Particulate Matter (PM2.5 and PM10)
- Nitrogen Dioxide (NO2)
- Sulfur Dioxide (SO2)
Pressure in Shiraz ranges from 29.92 to 30.42 inches of mercury (inHg) throughout the year. High pressure can lead to clearer skies but can also trap pollutants close to the ground.
Visibility is generally good except during sandstorms or high pollution periods. Visibility during sandstorms can drop below 1 mile, making travel difficult.
Regular monitoring and awareness are important to manage health impacts, especially for those with respiratory conditions. During high pollution days, it’s advised to reduce outdoor activities.
Note that data might vary slightly from year to year, so it is always a good idea to check current reports for the most accurate information.
Topography Of Shiraz, Iran
Shiraz is located in a valley surrounded by the Zagros Mountains. This valley setting impacts its climate and weather patterns.
The city rests at an elevation of about 4,920 feet above sea level. This height contributes to cooler temperatures compared to other regions in Iran.
Shiraz lies in a mid-latitude steppe. This climate type is characterized by semi-arid conditions, leading to limited vegetation and sparse rainfall.
The land around Shiraz is rugged and hilly. The mountains offer picturesque views and natural protection.
The area is known for its fertile plains, which are ideal for vineyards and orchards. These agricultural areas are key to Shiraz’s economy.
Annual Precipitation in Shiraz (inches)
| Month | Precipitation (in) |
|---|---|
| January | 3.6 |
| February | 3.1 |
| March | 2.8 |
| April | 1.2 |
| May | 0.4 |
| June | 0.1 |
| July | 0.0 |
| August | 0.0 |
| September | 0.2 |
| October | 0.8 |
| November | 1.7 |
| December | 2.6 |
Shiraz’s semi-arid conditions lead to dry summers. The mountains can influence weather patterns, causing variations in temperature and rainfall.
Overall, the unique topography of Shiraz, combined with its valley setting and mountainous surroundings, shapes its climate in distinctive ways and provides varied landscapes.
Extreme Weather Events That Occur In Shiraz, Iran
Shiraz experiences various extreme weather events, most notably during summer and winter. These events include extreme heat, cold waves, and rare instances of heavy rainfall.
Heatwaves
In Shiraz, the hottest month is July, with temperatures reaching 99°F. Heatwaves are common during this period, with some days exceeding historical maximum values. Extreme Tmax days are expected to increase in the future from 2025 to 2049.
Cold Waves
The cold season in Shiraz lasts from late November to early March. January is the coldest month, with temperatures as low as 33°F. Cold waves, though less frequent, can bring freezing temperatures that disrupt daily life.
Heavy Rainfall
While Shiraz generally has dry weather, heavy rainfall does occur occasionally. Extreme precipitation events, though rare, significantly impact the city. The intensity and duration of these events have been increasing over the years, influenced by global warming.
| Month | Average High (°F) | Average Low (°F) |
|---|---|---|
| January | 54 | 33 |
| July | 99 | 71 |
Historical Weather Data
Meteorological records from 1951 to 2013 show that Iran, including Shiraz, has been rapidly warming. This rise in temperatures is linked to more frequent and severe extreme weather events.
Best Time Of The Year To Visit Shiraz, Iran
The best time to visit Shiraz varies depending on what weather and activities visitors prefer. Each season in Shiraz offers unique experiences, from mild springs to hot summers.
What Is Shiraz, Iran Like In Spring
Spring in Shiraz lasts from March to May. During this season, the weather is pleasant with average high temperatures ranging from 63°F to 82°F. March often brings the most rain, with an average of 1.2 inches throughout the month. These conditions make it a great time to visit historical sites like Persepolis and Eram Garden.
The blooming flowers add to the city’s charm. It’s also a good time for outdoor festivals and cultural events. The likelihood of rain decreases as spring progresses, leading to warmer and sunnier days in May.
What Is Shiraz, Iran Like In Summer
Summer in Shiraz, from June to August, is hot. The hottest month is July, with average highs reaching up to 99°F and lows around 71°F. June and August are also very warm. Daytime temperatures can often exceed 100°F.
It’s essential to plan outdoor activities early in the morning or late in the evening to avoid the heat. Shiraz’s semi-arid climate means it sees very little rainfall during the summer months. Visitors should stay hydrated and seek shade throughout the day.
What Is Shiraz, Iran Like In Fall
Fall in Shiraz, from September to November, offers cooler temperatures after the intense summer heat. September still experiences high temperatures in the 80s°F, but by November, highs drop to around 62°F. This makes fall an ideal time for sightseeing and exploring markets.
What Is Shiraz, Iran Like In Winter
Winter in Shiraz spans from December to February. The coldest month is January, with average lows of 33°F and highs of 54°F.
This season brings the coolest weather of the year, making it a quiet time to visit and explore the city’s indoor attractions.
Rain is more common in winter than in summer, but it’s still relatively low, averaging around 1 inch of rain in December.
The shortest day of the year occurs in December, with about 10 hours of daylight, which gradually increases as winter progresses.
Shiraz’s museums, mosques, and cozy tea houses are perfect for winter visits.