May Weather in Karachi, Pakistan

Last updated: August 27, 2025

May in Karachi showcases a breathtaking climate with maximum temperatures soaring to 39°C (102°F), while the average settles at a comfortable 30°C (86°F). Nights bring a reprieve with minimum temperatures around 26°C (78°F). This month witnesses an almost rain-free experience, with a mere 1 mm of precipitation across 0 days, allowing for plenty of sunshine and outdoor activities. With humidity at a moderate 49%, Karachi transforms into a vibrant city, perfect for exploring its rich culture and bustling life during this warm season.

May Temperature in Karachi

In May, Karachi experiences a notable rise in temperatures as summer picks up momentum. With a minimum of 26°C (78°F) and peaking at a sizzling 39°C (102°F), the city's weather showcases a significant transition from the milder climes of earlier months. The average temperature settles around 30°C (86°F), marking a distinct shift towards the heat that defines the region's summer. This upward trend in warmth, compared to the previous months of April, is indicative of the city's blossoming summer, where outdoor activities become a balancing act against the rising mercury. As the month progresses, residents and visitors alike are urged to adjust their routines to embrace the sweltering charm of Karachi during its warmest period.

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

The chart illustrates May temperature patterns in Karachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karachi, 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).
JanFebMarAprMayJunJulAugSepOctNovDec677277828687868484837870
Data source: Temperature data for Karachi 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 Karachi

May in Karachi is characteristically dry, with a mere 1 mm (0.0 in) of precipitation recorded, mirroring the conditions of the preceding months. This pattern of low rainfall continues from January through April, during which the city experiences long stretches of arid weather. As the monsoon season approaches in June, the city's precipitation levels begin to rise significantly, highlighting a stark contrast to May's desiccated climate. The shift becomes evident in the following months, notably in July and August, when rainfall surges, bringing relief to the parched landscape. Thus, May serves as a transitional month, setting the stage for the impending monsoonal changes that follow.

May Precipitation Trends in Karachi

The chart displays monthly precipitation patterns in Karachi, 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 Karachi, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec51201105481311913
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Karachi

As the warmth of May settles over Karachi, the city experiences a notable increase in humidity, reaching 49%. This marks a significant rise from the drier conditions of the earlier months, reflecting the transition into the sultry summer. Compared to April's 40%, May's humidity indicates the gradual onset of the monsoon season, which fully manifests in the following months. The city’s weather pattern showcases this steady climb in humidity, culminating in the peak levels observed during the summer—73% in July and a sweltering 77% in August. Thus, May acts as a pivotal bridge between the dry spring months and the humid summer, setting the stage for the coming weather shifts in Karachi.

May Average Humidity in Karachi

This chart illustrates the average monthly humidity levels in Karachi, 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 Karachi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec35%39%42%40%49%54%73%77%69%60%44%39%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Karachi

As summer approaches in Karachi, the UV Index reaches an alarming peak in May, maintaining a score of 11, which falls into the extreme exposure category. This level indicates that residents and visitors alike should exercise significant caution, with a burn time of only 10 minutes. Building on the escalating trend of previous months, where the index surged from a moderate 6 in January to a staggering 11 in April, May reinforces the importance of sun protection. The intensity remains high in June, making it clear that the peak UV conditions are a defining characteristic of Karachi's spring transition into summer. For more detailed insights, check out the Karachi UV Index.

Maximum UV Index Levels in Karachi for May

The chart shows the monthly maximum UV Index (UVI) for Karachi 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 Karachi typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec68101111101212101076
Data source: Karachi 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 Karachi

May shines brightly in Karachi, boasting 374 hours of glorious sunshine, making it the sunniest month of the year. This delightful peak in sunlight follows a steady ascent from 250 hours in January, reflecting the city's transition from winter to the warmth of summer. After April's generous 351 hours, May truly stands out, outshining the preceding months and offering residents and visitors alike a vibrant atmosphere. However, as the summer progresses into June and July, sunshine hours dip slightly to 355 and 339 hours respectively, indicating a return to milder conditions that still deliver plentiful daylight. Overall, the trend of increasing sunshine hours culminates in May, inviting outdoor activities and creating a lively backdrop for the season.

Monthly Sunshine Duration in Karachi: May Highlighted

The May sunshine duration represents the total number of hours Karachi 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.
JanFebMarAprMayJunJulAugSepOctNovDec250h294h340h351h374h355h339h334h319h327h300h304h
Data source: Karachi May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Karachi During May

As May rolls into Karachi, the likelihood of sunny weather sees a noticeable dip compared to the earlier months. While the city enjoys a remarkable 98% chance of sunshine in January, this figure gradually declines, landing at 78% in May. This trend reflects the transition from the cooler months to the intense summer heat, signaling the onset of the monsoon season. Following May, the probability continues to decrease further, reaching a mere 28% by July, marking the peak of humidity and cloud cover. Thus, while May still offers substantial sunny days, residents should prepare for the shifting weather patterns that signify the impending rainy season.

Percentage of Sunny Days in May in Karachi

The chart illustrates the percentage of sunny days in Karachi 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 Karachi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec98%84%91%87%78%62%28%45%44%88%91%80%
Data source: Karachi May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Karachi in May

In Karachi, the daylight duration experiences a gradual increase as the year progresses from winter to summer. Starting with 10 hours of daylight in January, the city sees a steady rise, reaching 12 hours by March and April. May marks a peak with 13 hours of sunlight, a trend that continues through June and July, highlighting the essence of summer in this vibrant coastal city. As the year transitions back into autumn, daylight begins to wane, dropping back to 12 hours in August and September, before returning to 11 hours in October. By November and December, the cycle completes with 10 hours of daylight, reminiscent of the wintry start of the year. This rhythmic pattern reflects the seasonal shifts of Karachi, offering both residents and visitors ample opportunities to soak up the sun’s rays throughout the warmer months.

Average Daylight Hours in Karachi for May

The chart illustrates the variation in daylight duration in Karachi throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 46m11h 18m12h12h 44m13h 20m13h 38m13h 29m12h 57m12h 15m11h 32m10h 55m10h 36m
Data source: Karachi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Karachi

As the days of May roll into Karachi, the winds pick up their pace, signaling the transition into summer. With an average wind speed of 6.2 m/s (14 mph), May experiences a noticeable increase from the previous months, reflecting a trend toward stronger breezes as the year progresses. This surge continues into June, peaking at 6.8 m/s (15 mph), before tapering off in the late summer. The gradual rise in wind speed from January's gentle 3.4 m/s (8 mph) to May's robust flow suggests not only a shift in seasonal dynamics but also an invigorating atmosphere for outdoor activities. Karachi's coastal location amplifies this phenomenon, making it a vibrant time to embrace the city's outdoor life in the breeze.

Average May Wind Speed in Karachi

The chart displays monthly wind speed patterns in Karachi, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.84.45.06.2 m/s6.87.56.65.14.23.74.3
Data source: Karachi May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Karachi Compares to Other Months

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

May and January present distinct contrasts in weather in Karachi. In May, temperatures soar with a minimum of 26°C (78°F) and can reach a scorching maximum of 39°C (102°F), averaging around 30°C (86°F). The month is typically dry, with negligible precipitation of just 1 mm and no rainy days, accompanied by a humidity level of 49%. In contrast, January offers a more moderate climate, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 27°C (81°F), and an average of 19°C (67°F). Although there is slightly more precipitation at 5 mm, it still sees no rainy days, with a lower humidity level of 35%. For a closer look at January's weather specifics, you can visit Karachi weather in January.

May's weather is significantly warmer than February's, with average temperatures soaring to 30°C (86°F) and maximums reaching up to 39°C (102°F). In contrast, February experiences milder conditions, featuring an average temperature of 22°C (72°F) and maximums of 30°C (87°F). Both months see minimal precipitation, with just 1 mm recorded and no rainy days. However, May has a higher humidity level at 49%, compared to February's 39%. For more details, check out Karachi weather in February.

In comparing the weather between March and May, it is clear that May experiences significantly higher temperatures, with an average of 30°C (86°F) and maximums reaching up to 39°C (102°F). In contrast, March offers milder conditions, with an average temperature of 25°C (77°F) and a maximum of 34°C (94°F). Both months boast minimal precipitation, each recording only 1 mm, but while March has a slightly lower humidity level at 42%, May's humidity stands at 49%. For more detailed information about Karachi's weather in March, you can visit Karachi weather in March.

The weather in May is significantly warmer than in April, with average temperatures reaching 30°C (86°F) compared to April's 28°C (83°F). May experiences higher maximum temperatures of up to 39°C (102°F), while April peaks at 36°C (96°F). Both months have minimal precipitation, with May recording only 1 mm and April remaining completely dry. Additionally, humidity levels rise in May to 49%, compared to April's 40%. For more detailed information on the weather in April, visit Karachi weather in April.

May and June present notable differences in weather conditions. In May, temperatures range from a minimum of 26°C (78°F) to a maximum of 39°C (102°F), with an average of 30°C (86°F), and the month experiences minimal precipitation with just 1 mm recorded. Humidity during May sits at a relatively comfortable 49%. In contrast, June sees slightly warmer temperatures, with a minimum of 28°C (82°F) and an average of 31°C (87°F), although it peaks at a lower maximum of 37°C (99°F). Additionally, June has increased precipitation, totaling 10 mm over one day, while humidity also rises to 54%. For more details about June weather, you can visit Karachi weather in June.

In May, Karachi experiences warm temperatures, with a minimum of 26°C (78°F) and an average of 30°C (86°F), reaching as high as 39°C (102°F). The month is characterized by very little precipitation, with only 1 mm recorded over no days, and humidity levels are relatively moderate at 49%. In contrast, July presents a slightly higher minimum temperature of 27°C (81°F) and a similar average of 30°C (86°F), but the maximum temperature is lower at 37°C (99°F). July is also marked by significant rainfall, accumulating 54 mm over 8 days, leading to increased humidity levels at 73%. For a more detailed look at the weather during this month, check Karachi weather in July.

In May, the weather is hot and relatively dry, with average temperatures reaching 30°C (86°F) and maximums soaring to 39°C (102°F). The humidity sits at a more comfortable 49%, making it feel slightly less oppressive despite the high temperatures. In contrast, August brings a marked shift; while minimum temperatures remain similar at 26°C (79°F), the average drops to 29°C (84°F) with maximums peaking at 35°C (96°F). August also experiences significantly higher precipitation at 81 mm (3.2 in) across six days, coupled with increased humidity levels at 77%, making it feel much more tropical. For a detailed look at August weather in Karachi, you can visit Karachi weather in August.

May typically offers hotter and drier weather compared to September. With minimum temperatures around 26°C (78°F) and maximums reaching up to 39°C (102°F), the month averages a warm 30°C (86°F) and sees no recorded precipitation. This results in lower humidity levels at 49%. In contrast, September features slightly cooler temperatures, with a minimum of 25°C (77°F) and a maximum of 36°C (97°F), averaging about 29°C (84°F). However, it also marks the beginning of the monsoon season, bringing about 31 mm (1.2 in) of rainfall spread over three days, along with increased humidity at 69%. For more details on September weather, you can check Karachi weather in September.

May and October showcase distinct weather patterns characterized by different temperature ranges and humidity levels. In May, temperatures soar with a minimum of 26°C and can reach up to a maximum of 39°C, averaging around 30°C, while remaining nearly dry with only 1 mm of precipitation over zero days. The humidity is fairly moderate at 49%. In contrast, October sees slightly cooler temperatures, with a minimum of 23°C and a maximum of 36°C, averaging 28°C. This month experiences more significant rainfall, totaling 19 mm over one day, and the humidity rises to 60%. Overall, while May offers a hotter and drier climate, October brings milder temperatures and increased moisture. For more detailed insights, check out Karachi weather in October.

In comparing the weather of May and November, May typically showcases warmer temperatures, with a minimum of 26°C (78°F) and an average high reaching up to 39°C (102°F). This month enjoys no recorded precipitation, and humidity levels hover around 49%. In contrast, November brings a more temperate climate, with minimum temperatures of 17°C (63°F) and averages of 25°C (78°F), peaking at 33°C (92°F). Similar to May, November also experiences minimal rainfall, with 1 mm of precipitation and no rainy days, but with slightly lower humidity at 44%. For more detailed information, check out Karachi weather in November.

May and December in Karachi present contrasting weather profiles. In May, temperatures soar with a minimum of 26°C (78°F) and can reach a maximum of 39°C (102°F), averaging around 30°C (86°F), while humidity hovers around 49%. In stark contrast, December offers much cooler temperatures, with a low of 13°C (55°F) and a high of 30°C (86°F), averaging 21°C (70°F), accompanied by lower humidity at 39%. Additionally, while both months see little to no precipitation, December records slightly more with 3 mm (0.1 in) of rain, although it still experiences no rainy days. For a deeper dive into December's weather specifics, visit Karachi weather in December.

Compare Karachi's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Karachi

As May unfolds in Karachi, the city experiences a notable shift in weather compared to the previous months. With warm maximum temperatures reaching up to 39°C (102°F) and an average hovering around 30°C (86°F), this month ushers in a significant rise in heat, making it one of the warmer times of the year. Unlike the preceding rainy season, May is characterized by minimal precipitation, with only 1 mm recorded, ensuring that the days remain dry and predominantly sunny. The humidity stays relatively moderate at 49%, providing a somewhat manageable warmth for residents and visitors alike. For more insights into the weather patterns of this vibrant city, check out Karachi Climate.