Climate and monthly weather forecastShiraz, Iran
Climate and monthly weather forecast
The climate of Shiraz
Shiraz, located in the south-central region of Iran, is classified under the Köppen climate classification as BSk, indicating a mid-latitude steppe climate. Characterized by hot, dry summers and cold, relatively dry winters, Shiraz experiences notable variations throughout the year.Temperatures vary drastically in Shiraz, with highs ranging from 12.1°C (53.8°F) in January to a scorching 37.8°C (100°F) in July. On the other hand, the colder periods bring temperatures as low as -0.4°C (31.3°F) in January to a mild 19.9°C (67.8°F) in July. Humidity follows an inverse trend, starting from 65% in January, gradually reducing to the low of 22% in June, and climbing back to 61% by December, offering a cyclical shift echoing similar patterns across mid-latitude steppe regions.
Rainfall pattern reflects an interesting aspect of the climate in Shiraz. A substantial part of the annual precipitation falls in the winter months, peaking at 80mm (3.15") in January. Subsequently, the rainfall sharply descends to reach a minimum of 0mm (0") in August, with nearly absent precipitation during the summer month lending to its steppe climate characterization.
Contrasting the rainfall pattern, the daylight hours increase from 10.5 hours in January to a peak of 14 hours in June and July, before decreasing back to 10.3 hours by December. Sunshine hours also present a coinciding trend with a low of 7 hours in January and February picking up to a high of 11.9 hours in June, providing a bright and sun-drenched summer.
The best time to visit Shiraz
Considering the temperature, rainfall, and daylight hours, the best time to visit Shiraz falls between April and June. During this period, temperatures range from a comfortable 23.8°C (74.8°F) to 36.1°C (97°F), providing pleasant weather conditions for outdoor activities and sightseeing. Rainfall is also at its minimal during these months with showers limited to 31mm (1.22") in April to virtually no rain in June. Additionally, these months are characterized by the longest daylight hours — from 12.9 hours in April to an impressive 14 hours in June — facilitating long hours for exploration.The worst time to visit Shiraz
Late summer, particularly July and August, could be challenging to visitors unaccustomed to extreme heat. With temperatures soaring up to 37.8°C (100°F) and 37°C (98.6°F) respectively, and with minimum rainfall, travel plans could potentially be affected. Also, although winter months, particularly December and January, offer cooler temperatures during this month.Weather in February
February brings an easing of the winter temperatures, offering a whisper of the imminent spring. The city begins to thaw with 1.2°C (34.2°F) minimum temperature, helping residents shrug off the winter chill. The increase in temperature is accompanied by a decline in snowfall days, marking February as the last month of snowfall until December. Weather in February »Weather in March
March announces the arrival of spring in Shiraz. Temperatures begin to warm up considerably, turning the environment pleasant during the day and cool during nights. The city enjoys 12 hours of daylight, adding a spring touch to every corner. Weather in March »Weather in April
April dominates spring conditions in Shiraz, remarkable for warmer days and mildly chilly nights. Overcast skies become a lesser sight, replaced by considerably clear skies enjoying 8.3 hours of sunshine. Even though there is a small amount of rainfall, 31mm (1.22") precisely, the month remains relatively dry. Weather in April »Weather in May
Spring morphs into summer in May, with temperatures soaring into the 30s°C. The warmth gets intensified as humidity dips to the lowest for the year, making the heat more palpable. With only 7mm (0.28") of rainfall, May can be considered as the start of the arid period in Shiraz. Weather in May »Weather in June
June in Shiraz features the typical Middle Eastern summer, with the city simmering under high temperatures. June stands out as the perfect time for night-time activities, thanks to mild nights and lasting daylight. Rainfall dwindles down to one-fifth of amm, adding to the burlesque of summer characteristics. Weather in June »Weather in July
July is the hottest month in Shiraz, as temperatures peak and rainfall further decreases. The mercury shoots to the highest in the year, marking 37.8°C (100°F). This weather dictates the need for light clothing, ample sun protection, and steady hydration. Weather in July »Weather in August
August follows in the footsteps of July, offering no respite from the high temperatures. A dry and hot weather prevails, bearing a close resemblance to arid desert conditions. As the strength of UV index remains the same as in July, sun protection remains a must. Weather in August »Weather in September
September arrives with a promise of relief from the searing summer temperatures. The days start to shorten, bringing forward the onset of fall. Notably, it is the driest month of the year with no rainfall at all. Despite decreasing daylight, plenty of sunshine illuminates the city throughout the day. Weather in September »Weather in October
Shiraz in October presents beautiful weather, as the fall season turns the city into a tapestry of colors. With an average temperature of 27.8°C (82°F), the weather remains pleasant and inviting. With increased daylight and still no considerable rainfall, outdoor enthusiasts find October ideal for venturing out to admire the splendid fall colors. Weather in October »Weather in November
November indicates a clear shift in weather in Shiraz, transitioning from autumn to winter. As temperatures drop to 20.5°C (68.9°F), the need for warmer clothes surfaces again. Temperature variation between day and night becomes more distinct. Weather in November »Weather in December
Concluding the year, December ushers in the winter season in Shiraz with the lowest average temperatures. The city witnesses rainfall of 63mm (2.48"), the highest precipitation received throughout the year. Also, days become the shortest in the year, resulting in prolonged nights. Weather in December »Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Shiraz, January is the month with the lowest recorded average temperatures, measuring a high of 12.1°C (53.8°F) and a low of -0.4°C (31.3°F).
The most humid month is January, with an average relative humidity of 65%.
The month with the most rainfall is January, when the rain falls for 8.7 days and typically aggregates up to 80mm (3.15") of precipitation.
In Shiraz, during the entire year, the rain falls for 46.6 days and collects up to 306mm (12.05") of precipitation.
January, February and December are months with snowfall.
January has the most snowfall days of the year. Snow falls for 1.5 days.
In Shiraz, Iran, during the entire year, snow falls for 2.7 days.
January and December, with an average of 7h of sunshine, are months with the least sunshine in Shiraz.
January and December, with an average maximum UV index of 4, are months with the lowest UV index in Shiraz, Iran.
March through November are months without snowfall in Shiraz.
May through August, with an average maximum UV index of 12, are months with the highest UV index in Shiraz, Iran.
The least humid month in Shiraz, Iran, is June, with an average relative humidity of 22%.
With an average of 14h and 0min of daylight, June has the longest days of the year in Shiraz, Iran.
June has the most sunshine of the year, with an average of 11.9h of sunshine.
In Shiraz, July is identified by the average highest temperatures, reaching a peak of 37.8°C (100°F) and a low of 19.9°C (67.8°F).
The only month without rainfall in Shiraz, Iran, is September.
January through August, October through December are months with rainfall.
With an average of 10h and 18min of daylight, December has the shortest days of the year in Shiraz, Iran.
Shiraz, Iran, does not utilize Daylight Saving Time (DST). +0330 timezone is used throughout the entire year.
Average temperature
Shiraz, Iran
The warmest month (with the highest average high temperature) is July (37.8°C).
The month with the lowest average high temperature is January (12.1°C).
The month with the highest average low temperature is July (19.9°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average humidity
Shiraz, Iran
The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is June (22%).
Average rainfall
Shiraz, Iran
- Average rainfall in January:
79.8mm - Average rainfall in February:
49.8mm - Average rainfall in March:
48.4mm - Average rainfall in April:
30.6mm - Average rainfall in May:
6.6mm - Average rainfall in June:
0.2mm
The wettest month (with the highest rainfall) is January (79.8mm).
The driest month (with the least rainfall) is September (0mm).
Average rainfall days
Shiraz, Iran
- Average rainfall days in January:
8.7 days - Average rainfall days in February:
7.9 days - Average rainfall days in March:
7.9 days - Average rainfall days in April:
6.4 days - Average rainfall days in May:
2.1 days - Average rainfall days in June:
0.2 days
- Average rainfall days in July:
0.8 days - Average rainfall days in August:
0.4 days - Average rainfall days in September:
0.1 days - Average rainfall days in October:
1.2 days - Average rainfall days in November:
3.7 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is January (8.7 days).
The month with the least rainy days is September (0.1 days).
Average snowfall days
Shiraz, Iran
- Average snowfall days in January:
1.5 days - Average snowfall days in February:
0.6 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.6 days
The month with the highest number of snowfall days is January (1.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Shiraz, Iran
- Average daylight in January:
10h and 30min - Average daylight in February:
11h and 12min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 36min - Average daylight in June:
14h and 0min
- Average daylight in July:
13h and 48min - Average daylight in August:
13h and 12min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 30min - Average daylight in November:
10h and 42min - Average daylight in December:
10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
7h and 48min - Average sunshine in March:
7h and 36min - Average sunshine in April:
8h and 18min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 54min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
10h and 36min - Average sunshine in September:
10h and 36min - Average sunshine in October:
9h and 36min - Average sunshine in November:
7h and 54min - Average sunshine in December:
7h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January and December (Average sunshine: 7h and 0min).
Average UV index
Shiraz, Iran
The months with the highest UV index are May, June, July and August (UV index 12).
The months with the lowest UV index are January and December (UV index 4).
