Climate and monthly weather forecastNasiriyah, Iraq
Climate and monthly weather forecast
The climate of Nasiriyah
Nasiriyah, Iraq, offers a subtropical desert climate, also known as BWh in the Köppen climate classification. This geographical area features warm temperatures throughout the year, with particularly hot summers. Analysing the climatological data, it is visible that the temperatures range from 10.3°C (50.5°F) to 46.8°C (116.2°F), with highs reaching up to 46.8°C (116.2°F) in the peak summer months of July and August. The lowest recorded temperature stays above the 10°C (50°F) mark, outlining the warmth prevalent in the region.The humidity levels see variations throughout the year, from as low as 10% in the summer months to a peak of 41% in January. Rainfall is a scant occurrence in Nasiriyah, with most months recording minimal precipitation. The yearly average rainfall varies from no rainfall at all from June to September to the highest of 14mm (0.55") in November.
A unique feature of this desert climate is the extensive sunshine duration. With daylight hours ranging from 10.2h to 14.1h, and sunshine hours from 7h to 12.5h, Nasiriyah receives a significant amount of sunlight throughout the year. The UV index rises to a maximum of 10 in the mid-year months, implying a need for appropriate sun protection.
The best time to visit Nasiriyah
For those seeking a pleasant experience, the best time to visit Nasiriyah falls during the spring months of March and April. The temperature during these months remains manageable, ranging from 16.7°C (62.1°F) to 33.2°C (91.8°F). Alongside, rainfall is sparse, resulting in a clear and comfortable environment. Sunshine hours peak at 11.8h in April, providing ample daylight for exploration and sightseeing.The worst time to visit Nasiriyah
The months of June, July, and August mark the most inhospitable periods to visit Nasiriyah. These months witness the highest temperatures, soaring up to 46.8°C (116.2°F). In addition, humidity plummets to its yearly low of 10%, creating challenging desert climatic conditions. Therefore, these summer months might prove rather uncomfortable for visitors unaccustomed to such extreme weather.Spring weather in Nasiriyah
Nasiriyah enjoys a pleasant spring season between March and May. During this time, the temperatures are fairly comfortable, with the maximum temperatures fluctuating between 27.2°C (81°F) and 39.5°C (103.1°F) and the minimum temperatures from 16.7°C (62.1°F) to 29°C (84.2°F). Spring does not witness considerable rainfall with an average of 7mm (0.28") to 10mm (0.39"). The daylight duration extends during this time, providing ample time for outdoor activities.Summer weather in Nasiriyah
Summer in Nasiriyah, from June through August, exhibits intense desert climate. The temperatures are scorching, reaching up to 46.8°C (116.2°F). The rainfall is virtually non-existent during these months, further enhancing the dryness. Yet, these months see the longest daylight hours with the maximum of 14.1h in June and the most substantial sunshine hours, peaking at 12.5h in August.Autumn weather in Nasiriyah
The autumn season, spanning September to November, brings a decline in the extreme temperatures. The maximum temperature gradually decreases from 42.7°C (108.9°F) to 25.5°C (77.9°F), and the minimum temperature follows a similar pattern, dropping from 29.5°C (85.1°F) to 17.2°C (63°F). The rainfall starts to emerge in November with an average of 14mm (0.55"). The daylight hours begin to shorten, and the UV index decreases, marking a shift towards the cooler winter months.Winter weather in Nasiriyah
Winter months of December to February show a significant respite from the high temperatures. During this time, the maximum temperatures range between 18.7°C (65.7°F) and 21.5°C (70.7°F), and the minimum temperatures between 10.3°C (50.5°F) and 12.3°C (54.1°F). Rainfall is at its peak in January with 9mm (0.35"), being the highest precipitation recorded in the year. The daylight hours reduce to an average of 10.5h with diminished UV index, making winter a notably cooler and softer season in Nasiriyah.Weather in January
The year begins in Nasiriyah, Iraq with moderate weather conditions. January sees a gradual rise in daylight hours from 10.4 to 11.1 hours, setting the scene for the forthcoming increase in temperature and decrease in humidity over the next few months. Weather in January »Weather in February
As Nasiriyah transitions into February, the climate starts to warm up slightly. The increase in daily sunlight to 11.1 hours, a rise from January's 10.4 hours induces this warming. Humidity further declines in February continuing the trend from January. Weather in February »Weather in March
The onset of March in Nasiriyah marks a significant change in the weather pattern. March sees an even further reduction in humidity compared to the preceding months, leading to a drier environment overall. With the lengthening of days to 12 hours of daylight, the average high temperature escalates to a pleasant 27.2°C (81°F). Weather in March »Weather in April
April in Nasiriyah is characterized by longer daylight hours — an increase to 12.9 hours from March's 12 hours. It indicates the onset of the warmer season as evident from the higher temperatures. Dry weather prevails with low relative humidity and rainfall reaching a nadir at a meager 10mm (0.39") overall for the month. Weather in April »Weather in May
With the arrival of May, Nasiriyah weather shifts towards more intense heat. Daylight hours continue to increase, peaking to 13.7 hours, contributing to a substantial increase in ambient temperatures. This intensifying heat is evident in the soaring high temperatures, which reach an average peak of 39.5°C (103.1°F). Weather in May »Weather in June
June sees Nasiriyah in the grip of peak summer. Increased sunlight and dwindling humidity characterize this month as well. With the mercury rising drastically to 44.6°C (112.3°F), it marks the start of the extraordinarily hot months ahead. Weather in June »Weather in July
July in Nasiriyah witnesses the pinnacle of summer with sweltering temperatures. The city experiences its highest average maximum temperature of 46.8°C (116.2°F), making outdoor activities challenging. Despite the scorching heat, rainfall remains utterly absent, creating an incredibly arid environment. Weather in July »Weather in August
The torrid weather of July extends into August in Nasiriyah. The stifling heat begins to show a slight retreat with the decrease in daylight hours to 13.2, a dip from 13.9 in July. Yet, the mercury stays high, hitting a maximum of 46.8°C (116.2°F). Weather in August »Weather in September
September ushers in the first signs of relief from the sweltering summer in Nasiriyah. A retreat in maximum daylight hours to 12.4 induces a gradual decrease in temperature, but the mercury still touches a scorching 42.7°C (108.9°F). Weather in September »Weather in October
October marks a significant shift in Nasiriyah's weather pattern. The transition from the harsh summer to the milder season ahead is palpable, most prominently in the comfortably reduced daytime temperature. Sunshine hours exhibit a downgrade to 8.8 hours per day, reflecting the shorter days. Weather in October »Weather in November
November in Nasiriyah signifies the onset of winter, with markedly cooler and gentler weather. A season of moderation follows the scorching summer with temperature averages dropping to a comfortable 25.5°C (77.9°F). The amount of sunlight each day reduces further, and cloud coverage begins to increase slightly, signifying a departure from the stark dry months. Weather in November »Weather in December
Concluding the year, December in Nasiriyah experiences weather on the cooler side. The city witnesses an overall dip in temperature, witnessing the second coldest average low of 12.1°C (53.8°F), aided by reduced daylight hours of 10.2. Weather in December »Updated: Jan 30, 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
January is the coldest month, exhibiting average temperatures of 18.7°C (65.7°F) at the peak and 10.3°C (50.5°F) at the base.
The most humid month is January, with an average relative humidity of 41%.
In Nasiriyah, during the entire year, the rain falls for 33.3 days and collects up to 66mm (2.6") of precipitation.
The month with the least sunshine in Nasiriyah is January, with an average of 7h of sunshine.
January, November and December, with an average maximum UV index of 5, are months with the lowest UV index in Nasiriyah, Iraq.
June through August, with an average relative humidity of 10%, are the least humid months.
In Nasiriyah, rain does not fall in June through September.
June has the longest days of the year in Nasiriyah, with an average of 14h and 6min of daylight.
June through August, with an average maximum UV index of 10, are months with the highest UV index in Nasiriyah.
July and August are the warmest months in Nasiriyah, with an average high-temperature of 46.8°C (116.2°F).
August has the most sunshine of the year, with an average of 12.5h of sunshine.
Months with rainfall in Nasiriyah are January through May, October through December.
November is the month with the most rainfall. Rain falls for 4.3 days and accumulates 14mm (0.55") of precipitation.
December has the shortest days of the year in Nasiriyah, with an average of 10h and 12min of daylight.
Nasiriyah does not utilize Daylight Saving Time (DST). +03 timezone is used throughout the entire year.
Average temperature
Nasiriyah, Iraq
The warmest months (with the highest average high temperature) are July and August (46.8°C).
The month with the lowest average high temperature is January (18.7°C).
The month with the highest average low temperature is July (33.9°C).
The coldest month (with the lowest average low temperature) is January (10.3°C).
Average pressure
Nasiriyah, Iraq
- Average pressure in January:
1019.4mbar - Average pressure in February:
1016.9mbar - Average pressure in March:
1013.8mbar - Average pressure in April:
1010.3mbar - Average pressure in May:
1006.5mbar - Average pressure in June:
1000.9mbar
- Average pressure in July:
997mbar - Average pressure in August:
998.8mbar - Average pressure in September:
1004.4mbar - Average pressure in October:
1011.1mbar - Average pressure in November:
1016.6mbar - Average pressure in December:
1019.7mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is July (997mbar).
Average wind speed
Nasiriyah, Iraq
- Average wind speed in January:
13.4km/h - Average wind speed in February:
14.6km/h - Average wind speed in March:
15.2km/h - Average wind speed in April:
14.8km/h - Average wind speed in May:
15.7km/h - Average wind speed in June:
21.1km/h
- Average wind speed in July:
21km/h - Average wind speed in August:
18.6km/h - Average wind speed in September:
15.9km/h - Average wind speed in October:
13.7km/h - Average wind speed in November:
12.2km/h - Average wind speed in December:
13.1km/h
The windiest month (with the highest average wind speed) is June (21.1km/h).
The calmest month (with the lowest average wind speed) is November (12.2km/h).
Average humidity
Nasiriyah, Iraq
The month with the highest relative humidity is January (41%).
The months with the lowest relative humidity are June, July and August (10%).
Average rainfall
Nasiriyah, Iraq
The wettest month (with the highest rainfall) is November (14mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).
Average rainfall days
Nasiriyah, Iraq
- Average rainfall days in January:
3.2 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
5 days - Average rainfall days in April:
5.8 days - Average rainfall days in May:
3.8 days - Average rainfall days in June:
0.2 days
- Average rainfall days in July:
0 days - Average rainfall days in August:
0.2 days - Average rainfall days in September:
0.1 days - Average rainfall days in October:
3.5 days - Average rainfall days in November:
4.3 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is April (5.8 days).
The month with the least rainy days is July (0 days).
Average daylight / Average sunshine
Nasiriyah, Iraq
- Average daylight in January:
10h and 24min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 54min - Average daylight in May:
13h and 42min - Average daylight in June:
14h and 6min
- Average daylight in July:
13h and 54min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - Average daylight in December:
10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January:
7h and 0min - Average sunshine in February:
7h and 12min - Average sunshine in March:
9h and 30min - Average sunshine in April:
11h and 48min - Average sunshine in May:
12h and 0min - Average sunshine in June:
12h and 18min
- Average sunshine in July:
12h and 18min - Average sunshine in August:
12h and 30min - Average sunshine in September:
11h and 12min - Average sunshine in October:
8h and 48min - Average sunshine in November:
7h and 18min - Average sunshine in December:
7h and 6min
The month with the most sunshine is August (Average sunshine: 12h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days
Nasiriyah, Iraq
- Average sunshine days in January:
27.7 days - Average sunshine days in February:
23.6 days - Average sunshine days in March:
25.3 days - Average sunshine days in April:
23.3 days - Average sunshine days in May:
25.9 days - Average sunshine days in June:
29.7 days
- Average sunshine days in July:
31 days - Average sunshine days in August:
30.8 days - Average sunshine days in September:
30 days - Average sunshine days in October:
26.2 days - Average sunshine days in November:
25.5 days - Average sunshine days in December:
27.3 days
The month with the most sunshine days is July (31 days).
The month with the least sunshine days is April (23.3 days).
Average UV index
Nasiriyah, Iraq
The months with the highest UV index are June, July and August (UV index 10).
The months with the lowest UV index are January, November and December (UV index 5).
Average cloud cover
Nasiriyah, Iraq
The month with the most cloud cover is January (Cloud cover 17).
The months with the least cloud cover are July and September (Cloud cover 1).
Average visibility
Nasiriyah, Iraq
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
