January Weather in Najaf, Iraq

Last updated: August 21, 2025

During January, Najaf, Iraq experiences a diverse climate, with temperatures ranging from a pleasant maximum of 25°C (77°F) to a chilly minimum of -2°C (28°F), resulting in an average temperature of 12°C (53°F). This month sees minimal precipitation, with only 13 mm (0.5 in) recorded over just 1 day, contributing to a moderate humidity level of 48%. January offers a unique blend of cool mornings and mild afternoons, making it an interesting time to experience the city's rich culture under varying weather conditions.

January Temperature in Najaf

In Najaf, Iraq, January showcases a striking temperature range, with minimums dipping to a brisk -2°C (28°F) and daytime averages hovering around a comfortable 12°C (53°F). As the month progresses, highs can reach up to 25°C (77°F), illustrating the region's characteristic winter chill that gives way to pleasantly mild afternoons. This month serves as a transition point in the annual temperature trend, where the biting cold of December gives way to the more temperate conditions of February and beyond. Overall, January in Najaf is marked by its contrast between frosty mornings and warm midday sun, setting the stage for the rapidly rising temperatures that follow in the coming months.

January Weather in Najaf: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Najaf, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Najaf, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec5357667688951009994826757
Data source: Temperature data for Najaf generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Najaf

In January, Najaf, Iraq, experiences a modest precipitation total of 13 mm (0.5 in), falling over a mere single day. This marks the beginning of the year with relatively low rainfall, setting a trend that continues through the spring months, peaking slightly in February with 23 mm (0.9 in) before tapering off significantly by May, when it drops to just 2 mm (0.1 in). The dry summer months showcase the stark contrast, as June through September receive no precipitation at all. As the year progresses, November brings a notable spike, with 27 mm (1.1 in) across two days, and a smaller return in December with 11 mm (0.4 in) over three days. This pattern highlights a seasonal fluctuation in rainfall, characterized by dry spells intermixed with brief periods of moisture, shaping the region's climate and ecosystem.

January Precipitation Trends in Najaf

The chart displays monthly precipitation patterns in Najaf, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Najaf, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec132310112000022711
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Najaf

In January, Najaf, Iraq, experiences a moderate humidity level of 48%, providing a refreshing start to the year. This marks a noticeable contrast to the drier months that follow, as humidity declines to 44% in February and hovers around 45% in March. By April, a significant dip to 36% occurs, leading to even lower levels that reach a minimum of 14% in July and 15% in August. As summer fades, humidity begins to rise again, peaking at 52% in December. Overall, January serves as a transitional month where humidity begins its upward journey, setting the stage for the seasonal variations that define the climate in Najaf throughout the year.

January Average Humidity in Najaf

This chart illustrates the average monthly humidity levels in Najaf, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Najaf is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec48%44%45%36%29%21%14%15%22%35%51%53%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Najaf

In January, Najaf experiences a moderate UV Index of 4, meaning that sun protection is advisable for extended outdoor activities, especially since the burn time is around 30 minutes. As the months progress, there is a noticeable rise in UV intensity, peaking in May with an extreme UV Index of 12, where just 10 minutes of unprotected exposure can lead to sunburn. This trend highlights a significant shift from the moderate conditions of early winter to the very high and extreme levels typical of late spring and summer. By October, conditions ease slightly to a high UV Index of 7, transitioning back toward more moderate levels as the year closes with December returning to a UV Index of 4. For more details on how to protect yourself throughout the year, check out the Najaf UV Index.

Maximum UV Index Levels in Najaf for January

The chart shows the monthly maximum UV Index (UVI) for Najaf in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Najaf typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468912111099754
Data source: Najaf January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Najaf

In Najaf, Iraq, January heralds the arrival of 227 hours of sunshine, a promising start to the year as the days begin to lengthen. This trend continues into February with a notable increase to 267 hours, paving the way for the spring months. As winter melts into spring, March sees a significant leap to 326 hours, followed by a peak in April at 333 hours. The region basks in the warmth of summer, reaching an impressive 370 hours in May and culminating in a sun-drenched 386 hours in July. The blissful rays begin to wane slightly through August at 367 hours, but September holds steady with 332 hours of sunlight. The retreat of summer signals a gradual decline, as October, November, and December showcase 314, 275, and 273 hours respectively, inviting the cooler seasons with a more tempered embrace. Overall, Najaf’s sunshine trend illustrates a vibrant and evolving landscape, beautifully reflecting the transition from the crisp beginnings of the year to the golden glow of summer.

Monthly Sunshine Duration in Najaf: January Highlighted

The January sunshine duration represents the total number of hours Najaf experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec227h267h326h333h370h380h386h367h332h314h275h273h
Data source: Najaf January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Najaf During January

In January, Najaf, Iraq, enjoys a 73% chance of sunny weather, marking the start of a trend toward more favorable skies as the year progresses. As winter gives way to spring, February sees a slight dip to 65%, but by March, the likelihood of sunshine rises significantly to 81%. This upward trajectory continues, peaking in June and July with an impressive 99% chance of sun, showcasing Najaf's transformation into a sun-drenched paradise during the hotter months. Even in the latter part of the year, October maintains a solid 88% chance, making Najaf an inviting destination for sun seekers for much of the year.

Percentage of Sunny Days in January in Najaf

The chart illustrates the percentage of sunny days in Najaf throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Najaf experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec73%65%81%71%91%99%99%97%99%88%76%59%
Data source: Najaf January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Najaf in January

In Najaf, Iraq, January marks the beginning of the year with 10 hours of daylight, setting a tone of tranquil light that gradually increases as winter gives way to spring. By February, daylight extends to 11 hours, and this upward trend continues through March, reflecting the gradual awakening of nature. April shines with 12 hours, and by May, residents bask in the warmth of 13 hours of sunshine, inviting more outdoor activities. June peaks with an impressive 14 hours, boasting the longest days of the year. However, this bright phase begins to taper off as we transition into the sultry summer months of July and August, where daylight remains steady at 13 hours. As autumn approaches in September, the days shorten to 12 hours, leading into a gradual decline back to 10 hours in November and December. This cyclical pattern not only enhances the architectural beauty of Najaf but also encapsulates the natural rhythm of life, reminding residents of the fleeting yet vibrant beauty that each season brings.

Average Daylight Hours in Najaf for January

The chart illustrates the variation in daylight duration in Najaf throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 18m11h 2m11h 59m12h 58m13h 47m14h 11m13h 59m13h 15m12h 19m11h 21m10h 30m10h 4m
Data source: Najaf daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Najaf

In January, Najaf experiences a gentle breeze with an average wind speed of 3.2 m/s (7 mph), setting the tone for a relaxed winter atmosphere. As we transition to February, the winds slightly decrease to 3.0 m/s, creating an even calmer environment. However, by March, the winds pick up again, reaching 3.7 m/s, hinting at the approaching spring. The April air becomes noticeably brisk, with speeds hitting 4.0 m/s, before peaking in June at 4.8 m/s. This month marks the highest winds of the year, which gradually taper as summer ends, with speeds settling back to around 3.9 m/s in August. Following this, September and October show a return to milder gusts, around 3.0 to 4.0 m/s, maintaining a pleasant consistency as the season shifts into cooler months. Ultimately, the rhythm of wind in Najaf reveals a captivating dance between calmness and energy throughout the year, inviting residents and visitors alike to enjoy the ever-changing skies.

Average January Wind Speed in Najaf

The chart displays monthly wind speed patterns in Najaf, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.2 m/s3.03.74.03.64.84.23.94.03.03.23.3
Data source: Najaf January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Najaf Compares to Other Months

Weather in Najaf varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Najaf, focusing on differences in temperature, rainfall, humidity, and UV levels.

January and February exhibit notable differences in weather patterns, despite their proximity in the calendar year. January sees a temperature range from a minimum of -2°C (28°F) to a maximum of 25°C (77°F), with an average of 12°C (53°F) and relatively low precipitation of 13 mm (0.5 in) over just one rainy day and a humidity level of 48%. In contrast, February brings slightly warmer conditions with minimum temperatures still at -2°C (29°F) but a higher maximum of 29°C (84°F) and an average of 14°C (57°F). The month is also wetter, experiencing 23 mm (0.9 in) of precipitation across three days, while humidity decreases slightly to 44%. For more detailed insights, you can check Najaf weather in February.

January and March weather displays notable contrasts in temperature and conditions. In January, temperatures fluctuate between a minimum of -2°C (28°F) and a maximum of 25°C (77°F), with an average temperature of 12°C (53°F). The month experiences very little rainfall, totaling just 13 mm (0.5 in) over one day, and maintains a humidity level of 48%.

In contrast, March offers a significantly warmer climate, with minimum temperatures at 4°C (40°F) and maximums reaching up to 40°C (104°F), resulting in an average temperature of 19°C (66°F). Despite the increase in temperature, March sees a slight decrease in precipitation, with 10 mm (0.4 in) spread over three days, and humidity remains relatively low at 45%. For more detailed weather information specific to March, refer to Najaf weather in March.

In January, the weather is quite cool, with temperatures ranging from a chilly -2°C (28°F) at night to a comfortable 25°C (77°F) during the day, and an average temperature of 12°C (53°F). The month sees limited precipitation, with only 13 mm (0.5 in) and just one rainy day, alongside a humidity level of 48%. In contrast, April brings a notable warming trend, with minimum temperatures of 10°C (50°F) and daytime highs soaring up to 42°C (108°F), averaging around 24°C (76°F). Although it experiences slightly less precipitation at 11 mm (0.4 in) spread over three days, the humidity decreases to 36%, making April feel significantly warmer overall. For more details on April weather, you can check Najaf weather in April.

January and May present strikingly different weather patterns. In January, temperatures range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 25°C (77°F), with an average of 12°C (53°F). The month typically experiences a fair amount of humidity at 48%, albeit with only 13 mm (0.5 in) of precipitation over just one day. In contrast, May is much warmer, with minimum temperatures starting at a comfortable 15°C (60°F) and soaring to a scorching maximum of 45°C (114°F), averaging around 31°C (88°F). The humidity drops significantly to 29%, and May enjoys even less precipitation at just 2 mm (0.1 in) over the entire month, making it a dry time. For more specific information, you can refer to Najaf weather in May.

In January, the weather in Najaf is characterized by cooler temperatures, with a minimum of -2°C (28°F) and an average of 12°C (53°F), peaking at 25°C (77°F). Precipitation is minimal, with only 13 mm (0.5 in) falling over just one day, contributing to a humidity level of 48%. In contrast, June showcases a dramatic shift, featuring significantly warmer temperatures that start at a minimum of 20°C (69°F) and reach an astonishing average of 35°C (95°F), with maximums soaring to 49°C (121°F). June is notably dry, with no recorded precipitation and a decreased humidity level of 21%. For more detailed information, you can check Najaf weather in June.

In January, the weather is characterized by much cooler temperatures, with a minimum of -2°C (28°F) and an average of 12°C (53°F). Precipitation is minimal, with only 13 mm (0.5 in) expected over just one day, contributing to a moderate humidity level of 48%. In sharp contrast, July brings scorching heat, where temperatures soar with a minimum of 25°C (77°F) and an average high of 38°C (101°F), peaking at a staggering 51°C (124°F). Notably, July sees no precipitation at all, resulting in a very low humidity level of just 14%. For more detailed information about July weather, visit Najaf weather in July.

January and August present stark contrasts in weather conditions. In January, temperatures range from a chilly minimum of -2°C (28°F) to a comfortable average of 12°C (53°F), peaking at a warm 25°C (77°F). This month sees minimal precipitation, with only 13 mm (0.5 in) over just one day, and humidity levels at a moderate 48%. In sharp contrast, August boasts scorching temperatures, with a minimum of 24°C (76°F) and an alarming average of 37°C (99°F), reaching a sweltering maximum of 49°C (121°F). This month is characterized by complete dryness, with no recorded precipitation or rainy days, and significantly lower humidity at 15%. For a closer look at conditions during this month, check out Najaf weather in August.

In January, temperatures in Najaf range from a chilly -2°C (28°F) at night to a pleasant average of 12°C (53°F) during the day, peaking at 25°C (77°F). This month also sees some precipitation, with about 13 mm (0.5 in) falling over just one day, while humidity averages around 48%.

In contrast, September brings much hotter weather, with minimum temperatures starting at 19°C (66°F) and rising significantly to an average of 34°C (94°F), peaking at scorching highs of 48°C (119°F). Remarkably, September experiences no rainfall and maintains a lower humidity level of 22%. For more details on weather patterns during this time, check this link: Najaf weather in September.

In January, the weather showcases a notable chill, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 25°C (77°F) and an average of 12°C (53°F). The month typically experiences around 13 mm (0.5 in) of precipitation over just one day, contributing to a humidity level of 48%. In contrast, October presents significantly warmer conditions, with temperatures soaring from a minimum of 12°C (53°F) to a maximum of 43°C (110°F) and an average of 28°C (82°F). Notably, October boasts very little precipitation, with only 2 mm (0.1 in) recorded across zero days and a lower humidity of 35%. For more details on the weather in October, check out Najaf weather in October.

In January, temperatures exhibit a broader range, with minimums dipping as low as -2°C (28°F) and maximums reaching 25°C (77°F), making it a notably cooler month compared to November. The average temperature in January sits at 12°C (53°F) with relatively low precipitation of just 13 mm (0.5 in) over one day, leading to a humidity level of 48%. In contrast, November showcases warmer conditions, characterized by minimum temperatures of 7°C (45°F) and maximums soaring up to 35°C (95°F), resulting in a higher average of 19°C (67°F). November also sees increased rainfall, totaling 27 mm (1.1 in) across two days, with humidity slightly elevated at 51%. For more information, check out Najaf weather in November.

In comparing the weather between January and December, January tends to be slightly cooler, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 25°C (77°F), while December sees warmer averages with a minimum of 1°C (35°F) and a maximum of 27°C (81°F). Both months experience minimal precipitation, with January receiving 13 mm (0.5 in) over just 1 day, and December slightly less at 11 mm (0.4 in) across 3 days. Additionally, humidity levels are comparable, with January at 48% and December slightly higher at 52%. For more detailed insights into December’s weather, you can explore Najaf weather in December.

Compare Najaf's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Najaf

As January unfolds in Najaf, the weather reflects a cool and crisp transition, marked by moderate temperatures that are generally milder compared to the scorching heat of the summer months. With a maximum of 25°C, the days are pleasantly warm, contrasting sharply with the chilly nights that can dip as low as -2°C. Precipitation is low, with only a single day of rain expected, contributing to the overall dry and comfortable conditions and a moderate humidity level around 48%. This makes January a perfect time for outdoor activities, providing a refreshing escape from the extreme variations that characterize other months. For an in-depth look at the trends and nuances of Najaf's climate throughout the year, be sure to check out Najaf Climate.