May Weather in Keren, Eritrea

Last updated: August 21, 2025

May in Keren, Eritrea presents a dynamic climate characterized by a maximum temperature soaring up to 36°C (96°F), paired with a pleasant average temperature of 25°C (77°F). While mornings and evenings can be refreshing with a minimum temperature of 14°C (58°F), May also brings a touch of moisture, featuring 30 mm (1.2 in) of rainfall across approximately 7 days. With the humidity hovering around 38%, this month offers a unique interplay of warmth and refreshing breezes, making it an intriguing time to experience the vibrant atmosphere of Keren.

May Temperature in Keren

In May, Keren, Eritrea, experiences a delightful shift in temperatures, marking the transition towards warmer days. The minimum temperature rises to a comfortable 14°C (58°F), while the average reaches a pleasant 25°C (77°F), bringing forth an inviting warmth. This month typically sees a peak with a maximum temperature hitting 36°C (96°F), making it one of the hottest periods of the year. Compared to the preceding months, May showcases a noticeable upward trend, with balmy days that are perfect for outdoor exploration. As the landscape flourishes under the sun, this vibrant weather invites both locals and visitors to bask in the beauty of Keren’s late spring.

May Weather in Keren: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Keren, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keren, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec676972757775716870717068
Data source: Temperature data for Keren 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.

May Precipitation in Keren

In Keren, Eritrea, the month of May marks a significant uptick in precipitation, receiving 30 mm (1.2 in) of rain over seven days. This increase is a clear progression from the 14 mm (0.6 in) recorded in April, heralding the more robust wet season that follows. The gradual buildup of rainfall from 1 mm in January to 55 mm in June showcases a consistent trend of rising precipitation levels as the year progresses. As the dry months give way to the rainy season, May acts as a pivotal bridge, where the landscape begins to transform, setting the stage for the lush, vibrant conditions of the upcoming summer months.

May Precipitation Trends in Keren

The chart displays monthly precipitation patterns in Keren, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Keren, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec12314305577205135542
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Keren

In May, Keren, Eritrea experiences a notable shift in humidity, with levels at 38%—consistent with the previous month but indicative of the transitional season. As the dry warmth of the earlier months gives way to the wet season, the humidity begins to gradually rise from April's lower levels. This month marks the start of a trend, with humidity peaking in the following months, especially in August when it escalates to 60%. The gradual increase from the dry months of January through April to the more humid period stretching into the late year highlights Keren's distinct seasonal variation, offering a glimpse of the impending lushness that characterizes Eritrea's beautiful landscapes.

May Average Humidity in Keren

This chart illustrates the average monthly humidity levels in Keren, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Keren is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%47%34%38%38%42%48%60%46%49%58%57%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Keren

As we delve into the UV Index trends in Keren, Eritrea for May, we find the conditions consistently challenging with an extreme UV Index of 14 persisting from March through June. This high level implies that protection from harmful UV radiation is crucial, as the burn time is a mere 10 minutes. Notably, this trend of extreme UV exposure does not wane until the latter half of the year, signifying a proactive approach is essential for sun safety during this month and beyond. For more insights and updates, check Keren UV Index.

Maximum UV Index Levels in Keren for May

The chart shows the monthly maximum UV Index (UVI) for Keren in May, 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 May, the maximum UV index in Keren typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141212131212109
Data source: Keren May 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.

May Sunshine in Keren

In Keren, Eritrea, the month of May shines brightly with an impressive 355 hours of sunshine, making it one of the sunniest months of the year. Following the gradual increase in sunlight hours since January's 268 hours, May stands out as a peak before the slight dip in June and July, which still boast abundant sunshine. This pattern demonstrates Keren's inviting climate, characterized by longer daylight hours as the year progresses, inviting residents and visitors alike to bask in the warmth and beauty of the region. Overall, the consistent trend of increasing sunshine hours culminates in May, solidifying its reputation as a vibrant month filled with radiant sunshine.

Monthly Sunshine Duration in Keren: May Highlighted

The May sunshine duration represents the total number of hours Keren experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec268h307h352h347h355h344h337h321h322h336h321h327h
Data source: Keren May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Keren During May

In Keren, Eritrea, the likelihood of sunny weather in May dips to 65%, marking a slight decline from the sun-kissed months of March and April, which enjoy probabilities of 84% and 72%, respectively. As the region transitions into the warmer months, this trend reveals a pattern where the chances of sunshine gradually decrease from the vibrant early spring months to early summer. Notably, this shift continues into June, when the chance of sunny weather drops further to 55%. Thus, while May still offers a respectable chance for clear skies, it hints at the approaching rainy season, suggesting that those seeking sunshine may want to plan their activities before the weather turns.

Percentage of Sunny Days in May in Keren

The chart illustrates the percentage of sunny days in Keren throughout the year, with May 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 Keren experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec67%76%84%72%65%55%34%55%57%74%79%76%
Data source: Keren May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Keren in May

In Keren, Eritrea, daylight duration exhibits a fascinating rhythm throughout the year. January and February offer a steady 11 hours of sunlight, creating a cozy winter ambiance. As spring approaches in March, daylight slightly increases to 12 hours, continuing this trend into April and May, when the daylength remains consistent. June sees a peak at 13 hours, marking the summer solstice and illuminating the landscape with radiant light. As summer ebbs, daylight diminishes back to 12 hours in July, August, and September before tapering off once again to 11 hours in October, November, and December. This cyclical pattern illustrates the region's moderate climate, providing inhabitants with a balanced distribution of daylight throughout the year.

Average Daylight Hours in Keren for May

The chart illustrates the variation in daylight duration in Keren throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 17m11h 37m12h 2m12h 29m12h 51m13h 2m12h 56m12h 37m12h 11m11h 45m11h 22m11h 11m
Data source: Keren daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Keren

In Keren, Eritrea, the month of May brings a gently breezy climate with an average wind speed of 2.1 m/s (5 mph). This slight decline from April's 2.5 m/s foreshadows the wind's gradual retreat as the year progresses. Following a trend of variability, the wind speeds reach their peak in March at 3.0 m/s (7 mph), and then we see a steady descent into the summer months, where speeds hover around 2.0 m/s to 2.5 m/s. This downward trend continues into the late summer and autumn, with the calmest winds appearing in September at just 1.5 m/s (3 mph). Overall, the winds of Keren provide a soft transition from the bustling energy of the earlier months to the tranquil stillness as the year winds down.

Average May Wind Speed in Keren

The chart displays monthly wind speed patterns in Keren, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.23.02.52.1 m/s2.02.51.91.52.52.52.6
Data source: Keren May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Keren Compares to Other Months

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

May and January exhibit distinctly different weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 36°C (96°F), with an average of 25°C (77°F) and occasional rainfall totaling around 30 mm (1.2 in) over seven days, accompanied by a humidity level of 38%. In contrast, January presents milder conditions, with a minimum temperature of 8°C (46°F) and a maximum of 32°C (90°F), averaging at 20°C (67°F). Remarkably, January sees almost negligible rainfall, with just 1 mm (0.0 in) and no rainy days, though the humidity is higher at 51%. For a closer look at January weather patterns, you can explore Keren weather in January.

May and February present contrasting weather patterns. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 36°C (96°F), with an average of 25°C (77°F). The month experiences a higher level of precipitation, totaling 30 mm (1.2 in) over about 7 days, and the humidity is relatively low at 38%. In comparison, February is cooler, with temperatures ranging from a minimum of 10°C (49°F) to a maximum of 33°C (91°F) and an average of 21°C (70°F). Notably, February sees minimal precipitation at just 2 mm (0.1 in) and no rainy days, along with a higher humidity level of 47%. For more details, visit Keren weather in February.

In comparing the weather conditions of March and May, one can observe a noticeable shift in temperature and humidity. May tends to be warmer, with average temperatures reaching about 25°C (77°F) and maximums soaring up to 36°C (96°F), while March has cooler averages of 22°C (73°F) and peaks of 35°C (95°F). Additionally, May experiences more precipitation, with about 30 mm (1.2 in) of rain spread over seven days, compared to March's minimal rainfall of just 3 mm (0.1 in) and zero days of rain. Humidity levels also slightly increase in May, rising to 38% from March's 34%. For a more detailed look at Keren's weather in March, you can refer to this link: Keren weather in March.

Comparing the weather between April and May reveals a gradual warming trend as spring progresses. In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 36°C (96°F), with an average of 25°C (77°F). This marks a slight increase from April, where temperatures ranged from 13°C (56°F) to 35°C (94°F), and the average was 24°C (76°F). Moreover, May experiences more precipitation, totaling 30 mm (1.2 in) over 7 days, compared to April's 14 mm (0.6 in) over 6 days. Interestingly, humidity remains constant at 38% for both months. For more specific details, you can refer to Keren weather in April.

In comparing the weather between May and June, we see a slight increase in minimum temperatures, with June starting at 16°C (61°F) compared to May's 14°C (58°F). While both months share a maximum temperature of 36°C (96°F), the average temperature decreases slightly in June, settling at 24°C (76°F) versus May's 25°C (77°F). Precipitation also rises in June, with 55 mm (2.2 in) recorded over 13 days, compared to May's 30 mm (1.2 in) over just 7 days. Moreover, humidity peaks slightly in June at 41%, indicating a more humid feel compared to May's 38%. For more details on the weather conditions in June, check out Keren weather in June.

In May, temperatures range from a minimum of 14°C (58°F) to a maximum of 36°C (96°F), with an average of 25°C (77°F). The month sees relatively low precipitation, totaling 30 mm (1.2 in) over about 7 days and a humidity level of 38%. In contrast, July experiences cooler temperatures, with a minimum of 16°C (60°F), an average of 22°C (71°F), and a maximum of 31°C (89°F). This month is wetter, with precipitation reaching 76 mm (3.0 in) over 17 days and a higher humidity level of 48%. For a more detailed look at July weather, you can visit Keren weather in July.

May and August present contrasting weather conditions. In May, temperatures range from a mild 14°C (58°F) to a warm 36°C (96°F) with an average of 25°C (77°F). The month experiences relatively low precipitation at 30 mm (1.2 in) over about 7 days, with humidity around 38%. In contrast, August is cooler overall with temperatures varying from 15°C (60°F) to a maximum of 29°C (85°F), averaging just 20°C (68°F). However, it is significantly wetter, receiving 204 mm (8.1 in) of rain over 28 days, and the humidity rises to 60%. For more detailed insights, you can check Keren weather in August.

In May, the weather is marked by warmer temperatures, ranging from a minimum of 14°C (58°F) to a maximum of 36°C (96°F), with an average of 25°C (77°F). The month also experiences relatively low precipitation, totaling just 30 mm (1.2 in) over about 7 days and maintaining a humidity level of 38%. In contrast, September sees cooler temperatures, with daily highs averaging 21°C (71°F) and peaking at 31°C (89°F), while the lower end remains similar at 14°C (57°F). However, September is much wetter, receiving 135 mm (5.3 in) of precipitation over 19 days and exhibiting higher humidity at 46%. For more detailed insights on September weather, visit Keren weather in September.

May and October present distinct weather characteristics that reflect the transition from spring to fall. In May, temperatures are generally warmer, with minimums around 14°C (58°F), averaging 25°C (77°F), and peaking at 36°C (96°F). Rainfall is more frequent, with about 30 mm (1.2 in) over approximately 7 days and a lower humidity of 38%. In contrast, October brings cooler temperatures, starting at a minimum of 12°C (54°F), averaging 22°C (71°F), and reaching a maximum of 31°C (87°F). Notably, October is much drier, with only 5 mm (0.2 in) of precipitation over just 1 day, alongside a higher humidity level of 49%. For more detailed weather information specific to October, you can visit Keren weather in October.

May typically exhibits warmer temperatures, with a minimum of 14°C (58°F) and a maximum reaching up to 36°C (96°F), resulting in an average of 25°C (77°F). It also experiences relatively low humidity at 38%, although it sees more precipitation, averaging 30 mm (1.2 in) over seven days.

In contrast, November offers cooler conditions, with a minimum of 11°C (52°F) and a maximum of 30°C (87°F), leading to a comfortable average of 21°C (70°F). The month is much drier, with only 4 mm (0.2 in) of rainfall over just one day, while humidity levels rise to 57%.

For more details on November weather, visit Keren weather in November.

May typically experiences warmer temperatures, with daily averages reaching up to 25°C (77°F) and highs hitting 36°C (96°F). This month also sees a noticeable amount of rainfall, averaging 30 mm (1.2 in) over about 7 days, and the humidity is relatively low at 38%. In contrast, December offers cooler temperatures, with an average of 20°C (68°F) and a maximum of 31°C (87°F). This month is much drier, recording only 2 mm (0.1 in) of precipitation over zero days, but features higher humidity levels at 57%. For more detailed information on Keren's weather in December, you can visit Keren weather in December.

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Conclusion: What to Expect From May Weather in Keren

As May unfolds in Keren, the warmth becomes increasingly palpable, with temperatures significantly rising compared to earlier months. The average temperature settles pleasantly at 25°C (77°F), while maximum highs can reach a hot 36°C (96°F). Unlike the preceding months, May also brings a slight uptick in humidity, hovering around 38%, but it remains relatively dry, with only about 30 mm of precipitation spread over 7 days. This blend of warmth and occasional showers marks a transition, paving the way for the hotter summer months ahead. For a more detailed look at the yearly weather patterns in Keren, check out Keren Climate.