May Weather in Halmstad, Sweden

Last updated: August 27, 2025

In Halmstad, Sweden, May welcomes a dynamic shift in climate, where temperatures can soar up to a maximum of 29°C (85°F), offering a taste of summer amidst an average of 12°C (53°F). However, nights can be quite chilly, dipping to a minimum of -1°C (30°F). This month also brings 71 mm (2.8 in) of precipitation spread over 14 days, contributing to a moderate humidity level of 70%. Whether you’re enjoying the balmy afternoons or preparing for the occasional rain, May in Halmstad is a delightful mix of warmth and refreshment, perfect for outdoor activities and exploring the beauty of spring.

May Temperature in Halmstad

As spring blossoms into summer, May in Halmstad, Sweden brings a notable shift in temperatures. The month begins with a chilly minimum of -1°C (30°F), but quickly warms up, averaging a pleasant 12°C (53°F) and peaking at a delightful 29°C (85°F). This remarkable transition from the biting cold of winter to the gentle warmth of spring highlights May as a time of rejuvenation. The contrast with the earlier months is striking; where January's maximum reaches a mere 10°C (49°F), May embraces nearly triple the warmth. As the landscape awakens with lush greenery, Halmstad invites residents and visitors alike to bask in the gradually increasing sunshine and vibrant outdoor adventures.

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

The chart illustrates May temperature patterns in Halmstad, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Halmstad, 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).
JanFebMarAprMayJunJulAugSepOctNovDec353437455363646357494337
Data source: Temperature data for Halmstad generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Halmstad

In May, Halmstad experiences a notable uptick in precipitation, with 71 mm (2.8 in) of rain falling over 14 days. This marks a significant increase from the previous month, April, which saw only 41 mm (1.6 in) of rain over just 8 days. As spring unfolds, May becomes one of the wetter months, setting the stage for the lush greenery of summer ahead. The trend indicates a gradual rise in both precipitation amounts and frequency as the season progresses, with June expected to deliver more moisture, albeit slightly less at 58 mm (2.3 in). This shift not only supports the blooming landscape but also highlights Halmstad's transitional climate as it moves from the cooler, drier early months into a wetter, more vibrant summer.

May Precipitation Trends in Halmstad

The chart displays monthly precipitation patterns in Halmstad, 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 Halmstad, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec58676941715895118931086481
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Halmstad

In Halmstad, Sweden, the arrival of May brings a noticeable shift in humidity levels, dropping to a comfortable 70%. This decline from the wetter months of winter and early spring, where humidity hovers around 89% to 92%, marks the transition into the milder and more inviting summer season. As the year progresses into June and July, humidity levels remain relatively stable at 65%, contributing to a pleasant atmosphere perfect for outdoor activities. Interestingly, after the summery months, humidity begins to rise again in August, hinting at the return of the more humid fall season. This cyclical pattern showcases Halmstad’s dynamic climate, where each month brings its own unique character in terms of moisture and comfort.

May Average Humidity in Halmstad

This chart illustrates the average monthly humidity levels in Halmstad, 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 Halmstad is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%82%70%65%65%71%82%90%92%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Halmstad

In May, Halmstad experiences a notable shift in UV exposure, with the UV Index reaching 6, categorizing it as high. This increase marks a transition from the moderate levels seen in April, where the UV Index sat at 5. As the sun's intensity rises, residents and visitors should be mindful of their skin protection, as the burn time shortens to just 25 minutes. This trend is indicative of the approaching summer months, where the UV Index peaks further in June and July. Staying informed about UV levels is essential for outdoor activities, and you can find more details at Halmstad UV Index.

Maximum UV Index Levels in Halmstad for May

The chart shows the monthly maximum UV Index (UVI) for Halmstad 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 Halmstad typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Halmstad 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 Halmstad

In Halmstad, Sweden, the arrival of May marks a vibrant transition into the sunniest part of the year, with an impressive 432 hours of sunshine. This highlights a significant leap from the earlier months: January’s mere 87 hours and February’s 173 hours give way to a gradual increase, culminating in the brightness of spring. As daylight extends further into the summer, June shines even brighter with 453 hours, maintaining the momentum until July and August. The steady rise in sunshine hours not only reflects the delightful warmth of the season but also sets the tone for outdoor activities and explorations, making it a cherished time for both locals and visitors. As the year progresses, sunshine begins tapering off towards autumn, but May distinctly stands out as one of the most radiant months in Halmstad, embracing the beauty of longer, sunlit days.

Monthly Sunshine Duration in Halmstad: May Highlighted

The May sunshine duration represents the total number of hours Halmstad 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.
JanFebMarAprMayJunJulAugSepOctNovDec87h173h257h373h432h453h452h400h298h237h134h100h
Data source: Halmstad May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Halmstad During May

As we transition from spring to early summer in Halmstad, the likelihood of sunny weather sees noticeable fluctuations. April marks a significant increase with a 53% chance of sunshine, creating an optimistic outlook for outdoor activities. However, in May, this probability dips to 29%, hinting at a mix of cloud cover and the occasional sunny break as the season unfolds. This trend continues into June, where the sun returns with greater frequency, boasting a 45% chance. Overall, while May may not deliver the sunny days that are often anticipated, it serves as a bridge, preparing residents for the warmer months ahead.

Percentage of Sunny Days in May in Halmstad

The chart illustrates the percentage of sunny days in Halmstad 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 Halmstad experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%36%32%53%29%45%37%37%28%26%15%22%
Data source: Halmstad May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Halmstad in May

In Halmstad, Sweden, the transition from winter to summer daylight is strikingly evident as the year progresses. January starts with a modest 7 hours of daylight, but as spring approaches, there's a dramatic increase. By March, daylight extends to 11 hours, and in April, it reaches 14 hours, ushering in the vibrant colors of blooming flowers. May marks a significant leap, offering 16 hours of sunlight, which heralds the arrival of long, bright days. June and July maintain this trend with 17 hours of glorious daylight, creating an ideal backdrop for outdoor activities and festivities. As summer fades into early autumn, daylight begins to taper off, dropping to 15 hours in August, and gradually decreasing to 12 hours in September. This decline continues into the winter months, where November offers just 8 hours of daylight, culminating in the shortest days of December at 6 hours. Overall, Halmstad's daylight duration reflects the seasonal rhythms, with a delightful surge from winter into summer, followed by a gentle retreat back into the darker months.

Average Daylight Hours in Halmstad for May

The chart illustrates the variation in daylight duration in Halmstad throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 31m9h 30m11h 53m14h 18m16h 29m17h 40m17h 2m15h 3m12h 42m10h 18m8h 6m6h 52m
Data source: Halmstad daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Halmstad

In Halmstad, Sweden, the winds of May bring a gentle sigh, with an average speed of 3.3 m/s (7 mph), marking a slight decrease from the breezier months of spring. Following a gradual climb from 3.8 m/s in January to 4.2 m/s in April, May's winds soften, matching the calm that envelops the onset of summer. This trend continues into June and July, where the wind remains at 3.3 m/s, hinting at a tranquil atmosphere as residents and visitors alike enjoy the blossoming season. Interestingly, as the year progresses into autumn, wind speeds pick up again, reminding us that Halmstad’s breezes are a dynamic dance, ever changing with the seasons.

Average May Wind Speed in Halmstad

The chart displays monthly wind speed patterns in Halmstad, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.84.14.04.23.3 m/s3.33.23.93.54.64.44.0
Data source: Halmstad May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Halmstad Compares to Other Months

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

In May, temperatures in Halmstad are much milder, ranging from a minimum of -1°C (30°F) to a pleasant maximum of 29°C (85°F), with an average of 12°C (53°F). The humidity is around 70%, making the warm days feel comfortable, although occasional rain is expected with about 71 mm (2.8 in) of precipitation over 14 days. In contrast, January brings much colder weather, with temperatures plunging as low as -13°C (8°F) and averaging only 2°C (36°F). The maximum temperature reaches just 10°C (49°F), and the humidity is higher at 92%, contributing to a brisk and chilly atmosphere. Precipitation is less frequent, totaling 58 mm (2.3 in) across 10 days. For more details about January weather in Halmstad, visit Halmstad weather in January.

May and February exhibit striking contrasts in weather patterns. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 29°C (85°F), with an average temperature of 12°C (53°F). The month experiences moderate precipitation of 71 mm (2.8 in) over 14 days, accompanied by a humidity level of 70%. In contrast, February is much colder, with temperatures peaking at 12°C (53°F) but dipping as low as -15°C (5°F) and averaging only 1°C (35°F). This month sees slightly less rainfall at 67 mm (2.6 in) across 11 days, but higher humidity at 91%. For more detailed information on February weather, check Halmstad weather in February.

May and March present notably different weather conditions. In May, temperatures range from a chilly -1°C (30°F) to a warm 29°C (85°F), with an average of 12°C (53°F). This month sees about 71 mm (2.8 in) of precipitation over 14 days, accompanied by a moderate humidity level of 70%. In contrast, March experiences colder temperatures, with a minimum of -12°C (10°F), an average of 3°C (38°F), and a maximum of 13°C (56°F). Precipitation in March is slightly lower at 69 mm (2.7 in) over 13 days, but humidity is higher at 89%. For more detailed insights, visit Halmstad weather in March.

In comparing the weather between April and May, May generally presents milder conditions, starting with a higher average temperature of 12°C (53°F) compared to April's average of 7°C (45°F). While April experiences colder nights with minimum temperatures dropping to -7°C (20°F), May sees a milder minimum of -1°C (30°F). Despite the warmer conditions in May, the month does entail more variability, with maximum temperatures reaching up to 29°C (85°F), significantly higher than April's peak of 24°C (76°F). Additionally, May experiences more precipitation, totaling 71 mm (2.8 in) over 14 days, compared to April’s 41 mm (1.6 in) over just 8 days. Furthermore, humidity is slightly lower in May at 70%, compared to April's 82%, contributing to a more comfortable, albeit wetter, climate. For a more detailed overview of April weather in Halmstad, consider visiting Halmstad weather in April.

In comparing the weather of May and June, we see a noticeable shift in temperatures and precipitation patterns. May begins with cooler temperatures, with a minimum of -1°C (30°F) and an average of 12°C (53°F), while June has milder conditions with a minimum of 7°C (44°F) and an average of 17°C (63°F). Both months can reach a maximum temperature of 29°C (85°F) in May and 29°C (84°F) in June, showing that warmer days are consistent. However, May experiences more precipitation with 71 mm (2.8 in) over 14 days compared to June's 58 mm (2.3 in) across 12 days, making June relatively drier. Additionally, humidity decreases slightly from 70% in May to 65% in June, contributing to a more comfortable atmosphere. For a more detailed look at June weather conditions, you can visit Halmstad weather in June.

In comparing the weather of May and July, we see a notable shift in temperature and precipitation patterns. May experiences a wider range of temperatures, with minimums dropping to -1°C (30°F) and maximums reaching up to 29°C (85°F). In contrast, July offers a milder minimum of 7°C (44°F) and a warmer average of 18°C (64°F), peaking at 32°C (91°F). Additionally, May has a slightly lower precipitation average of 71 mm (2.8 in) over 14 days, while July sees increased rainfall at 95 mm (3.7 in) across 15 days. Humidity is higher in May at 70%, compared to July's 65%, making May feel a bit cooler despite its occasional highs. For a detailed overview of July's weather, you can visit Halmstad weather in July.

May and August present distinct weather patterns, marking the transition from spring to summer. In May, temperatures range from a chilly low of -1°C (30°F) to a warm high of 29°C (85°F), with an average of 12°C (53°F). The month experiences relatively moderate precipitation, totaling 71 mm (2.8 in) over 14 days, and the humidity sits at 70%. In contrast, August offers a more consistently warm atmosphere, with temperatures ranging from a low of 5°C (42°F) to a high of 32°C (90°F) and an average of 17°C (63°F). However, it also brings increased rainfall, accumulating 118 mm (4.6 in) across 18 days, while maintaining a similar humidity level of 71%. For more detailed insights into August weather, check out Halmstad weather in August.

In May, temperatures range from a chilly -1°C (30°F) at night to a warm 29°C (85°F) during the day, with an average of 12°C (53°F). The month experiences around 71 mm (2.8 in) of precipitation over 14 days, and humidity sits at about 70%. In contrast, September sees slightly milder temperatures with a minimum of 1°C (35°F), an average of 14°C (57°F), and a maximum of 26°C (80°F). Precipitation increases to 93 mm (3.7 in) over the same number of days, and humidity rises to 82%. For more detailed insights, check out Halmstad weather in September.

May and October present distinctly different weather patterns. In May, temperatures generally range from a chilly -1°C (30°F) to a warm 29°C (85°F), with an average of 12°C (53°F). The month experiences about 71 mm (2.8 in) of precipitation over approximately 14 days, with humidity sitting around 70%. In contrast, October tends to be cooler, with a minimum of -4°C (26°F) and a maximum of 21°C (70°F), averaging 10°C (50°F). It also sees more rainfall, totaling about 108 mm (4.2 in) across 17 days, and a higher humidity level of 90%. For a closer look at the specifics of October weather, you can visit Halmstad weather in October.

In comparing the weather of May and November, one can observe notable differences in temperature and humidity. May features a wide temperature range with minimums around -1°C (30°F) and maximums peaking at 29°C (85°F), providing an average of 12°C (53°F). The month has relatively moderate precipitation, totaling 71 mm (2.8 in) over about 14 days, with humidity levels around 70%.

In contrast, November is significantly cooler overall, with average temperatures dropping to 6°C (43°F), minimums reaching -7°C (19°F), and maximums only reaching 16°C (60°F). Precipitation is slightly less at 64 mm (2.5 in) over approximately 13 days, but the humidity is much higher at 92%. For more detailed information, you can check Halmstad weather in November.

In May, the weather is considerably milder, with temperatures ranging from a minimum of -1°C (30°F) to a comfortable maximum of 29°C (85°F), leading to an average of 12°C (53°F). While May experiences precipitation for about 14 days, it totals 71 mm (2.8 in) and has a moderate humidity of 70%. In contrast, December brings much colder conditions, with temperatures dipping to a minimum of -10°C (14°F) and peaking at 9°C (49°F), resulting in a chilly average of 3°C (37°F). This month sees slightly more precipitation, around 81 mm (3.2 in) over 15 days, accompanied by higher humidity at 91%. For a more detailed view of December weather in Halmstad, visit Halmstad weather in December.

Compare Halmstad's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Halmstad

As May rolls in, Halmstad experiences a refreshing departure from the chill of winter, with temperatures beginning to climb. The average daily temperature reflects a significant warmth, contrasting sharply with the colder preceding months, while the maximums can reach a delightful 29°C (85°F), inviting locals and visitors alike to bask in the spring sunshine. However, the month also brings about a notable increase in humidity and a fair share of precipitation, with rain gracing about half of the days. This dynamic blend of warmth and moisture fosters a vibrant environment as nature awakens fully. For a deeper insight into the climate nuances, check out Halmstad Climate.