May Weather in Paernu, Estonia

Last updated: August 21, 2025

In May, the charming town of Paernu, Estonia experiences a delightful transition into warmer weather, with maximum temperatures reaching 29°C (84°F) and an average of 11°C (52°F). This month can also surprise with cooler dips, as minimum temperatures may plummet to -4°C (24°F). While residents and visitors enjoy the blooming scenery, they should also prepare for moderate precipitation, totaling 53 mm (2.1 in) over approximately 9 days, paired with a humidity level of 76%. Overall, May in Paernu offers a mix of warmth and occasional rain, making it a refreshing time to explore this coastal gem.

May Temperature in Paernu

As May arrives in Pärnu, Estonia, the lingering chill of winter gives way to a more temperate climate, marking a significant shift in the weather patterns. With minimum temperatures rising to -4°C (24°F) and average highs reaching a delightful 29°C (84°F), May heralds the start of the outdoor season. This month contrasts sharply with the frigid depths of winter, showcasing a remarkable transition where the average temperature of 11°C (52°F) invites locals and visitors alike to embrace the blossoming nature. The increasing warmth not only enhances the charm of this coastal city but also signals the vibrant activities that come alive with the sun, making May a pivotal month in Pärnu's seasonal rhythm.

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

The chart illustrates May temperature patterns in Paernu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Paernu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec292833425263646255463931
Data source: Temperature data for Paernu 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 Paernu

In May, Pärnu, Estonia experiences a moderate level of precipitation, with an average of 53 mm (2.1 in) of rainfall over 9 days. This marks a slight increase from April's total of 47 mm, showcasing a typical spring pattern where moisture begins to build as the region transitions towards summer. The consistency in precipitation amounts from March to May, fluctuating only slightly, indicates a steady flow of spring rains that nourish the landscape. As June approaches, a marked increase is expected, with precipitation levels rising to 68 mm, suggesting that the region is preparing for the wetter months ahead. This gradual build-up serves to refresh both the flora and the atmosphere, creating a lush and vibrant environment as the days grow longer and warmer.

May Precipitation Trends in Paernu

The chart displays monthly precipitation patterns in Paernu, 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 Paernu, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec414854475368879476875854
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Paernu

As spring gives way to summer in Pärnu, Estonia, May marks a notable shift in humidity levels, dropping to 76%, the lowest of the year. This decline from the preceding months, where humidity hovered between 87% and 92%, signals a breath of fresh air as the region transitions into warmer weather. The gradual reduction from April's 87% not only offers a more comfortable experience for residents and visitors alike but also sets the stage for a slight increase in humidity during June and July, when it stabilizes around 80%. Overall, May serves as a pivotal month in Pärnu's climate, bridging the gap between the chilly, moisture-laden winter months and the slightly more temperate summer season.

May Average Humidity in Paernu

This chart illustrates the average monthly humidity levels in Paernu, 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 Paernu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%90%87%76%80%80%83%87%90%91%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Paernu

In May, Paernu, Estonia, experiences an increase in UV intensity, with the UV Index reaching 5, categorized as moderate. This signifies a notable shift from the lower index ratings of the winter months, which peaked at 2 in February. As the sunlight grows stronger, residents and visitors should be aware that the recommended burn time drops to just 30 minutes, similar to both March and April. This trend continues into June, where the index rises even further. As outdoor activities become more enticing with the warmer weather, it’s essential to stay informed about the UV Index to enjoy the sunshine safely. For more details, visit Paernu UV Index.

Maximum UV Index Levels in Paernu for May

The chart shows the monthly maximum UV Index (UVI) for Paernu 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 Paernu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457764211
Data source: Paernu 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 Paernu

May in Pärnu, Estonia, is a delightful transition into the sun-drenched summer, boasting 441 hours of sunshine that marks a significant increase from the previous months. After a gradual ascent from 66 hours in January to 357 hours in April, May shines as a bright median between spring's brilliance and the height of summer. This trend continues into June, where sunlight peaks at 471 hours but begins to taper slightly in July as the long days of summer start to wane. The gradual rise and fall of sunlight throughout the year reflect Pärnu’s charming seasonal rhythms, making May a perfect time to revel in the outdoors and embrace the vibrant, sunlit days ahead.

Monthly Sunshine Duration in Paernu: May Highlighted

The May sunshine duration represents the total number of hours Paernu 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.
JanFebMarAprMayJunJulAugSepOctNovDec66h150h265h357h441h471h466h395h307h212h121h68h
Data source: Paernu May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Paernu During May

In Pärnu, Estonia, the likelihood of sunny weather experiences a notable shift as the year progresses. After a bleak beginning with just a 6% chance of sunshine in January, conditions improve steadily, peaking in the vibrant summer months. By May, however, the chance of sun dips slightly to 32%, showing a subtle downturn from the previous month, April's 38%. This trend highlights the transition period of spring into early summer, where variability in weather can lead to unpredictable sunny days. As summer approaches, the prospects brighten significantly, with June and July boasting a robust 53% chance, making Pärnu a prime destination for sun-seekers.

Percentage of Sunny Days in May in Paernu

The chart illustrates the percentage of sunny days in Paernu 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 Paernu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec6%16%30%39%33%53%53%27%30%27%20%19%
Data source: Paernu May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Paernu in May

In Pärnu, Estonia, the daylight duration begins its gradual ascent in January with a modest 7 hours, steadily increasing as winter wanes. By February, the length of day reaches 9 hours, signaling the imminent arrival of spring. March brings 11 hours of sunlight, and by April, daylight blooms to 14 hours, fostering a sense of renewal. May is particularly invigorating, boasting 16 hours of daylight, which further extends into June with a peak of 18 hours—the longest days of the year. As summer transitions into autumn, the sunlight gradually ebbs, with July still enjoying 17 hours before tapering to 15 hours in August and 12 hours in September. The decline continues into October with 10 hours, until reaching 7 hours once again in November, and a dim 6 hours in December, as Pärnu returns to the quiet embrace of winter. This cyclical dance of daylight paints a vivid picture of the changing seasons in this charming Estonian city.

Average Daylight Hours in Paernu for May

The chart illustrates the variation in daylight duration in Paernu throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 9m9h 19m11h 52m14h 28m16h 51m18h 11m17h 28m15h 16m12h 45m10h 10m7h 47m6h 25m
Data source: Paernu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Paernu

In May, Pärnu experiences a gentle breeze with an average wind speed of 3.7 m/s (8 mph), which is a slight dip from the more blustery March and April months. As spring unfolds, the wind begins to soften, creating a calm environment ideal for outdoor activities by the beach and vibrant coastal promenades. This trend continues into June, where the average wind speed drops further to 2.7 m/s (6 mph), indicating a shift to milder weather. Interestingly, as summer approaches, the winds pick up again in August with a speed of 4.1 m/s (9 mph), suggesting a dynamic interplay between local weather patterns as temperatures rise. Overall, May serves as a transitional month, blending the freshness of spring with the anticipation of the warmer, breezier days ahead.

Average May Wind Speed in Paernu

The chart displays monthly wind speed patterns in Paernu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.54.44.23.7 m/s2.73.24.13.94.84.23.8
Data source: Paernu May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Paernu Compares to Other Months

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

May and January present strikingly different weather conditions. In May, temperatures range from a chilly minimum of -4°C (24°F) up to a pleasant maximum of 29°C (84°F), with an average of 11°C (52°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 9 days, accompanied by a humidity level of 76%. Conversely, January is much colder, with temperatures dipping as low as -24°C (-10°F) and peaking at just 8°C (46°F), averaging around -1°C (30°F). During January, precipitation amounts to 41 mm (1.6 in) over the same 9 days, but the humidity is notably higher at 92%. For further details on the January climate, you can visit Paernu weather in January.

May and February present stark contrasts in weather patterns. In May, temperatures range from a chilly -4°C (24°F) at night to a warm 29°C (84°F) during the day, with an average of 11°C (52°F), making it a month of significant warmth. The precipitation level of 53 mm (2.1 in) spread over 9 days indicates a mix of sunny and rainy days, complemented by a humidity level of 76%. In contrast, February is characterized by much colder temperatures, with nights dipping to -25°C (-14°F) and daytime highs only reaching 8°C (46°F), averaging at -2°C (28°F). Precipitation in February is slightly lower at 48 mm (1.9 in), falling over 10 days and accompanied by a high humidity level of 91%. For more details on February weather, you can check Paernu weather in February.

When comparing the weather in May and March, it's clear that May experiences significantly milder temperatures. With a minimum of -4°C (24°F) and an average of 11°C (52°F), it allows for more comfortable outdoor activities, especially when contrasted with March, which sees a chilling minimum of -23°C (-9°F) and an average temperature of just 0°C (33°F). Both months have similar precipitation levels, with March having a slightly higher total rainfall at 54 mm (2.1 in) over 12 days compared to May's 53 mm (2.1 in) over 9 days. Additionally, humidity is notably lower in May at 76%, while March presents a damp environment with 90% humidity. For a more detailed look at the March weather, visit Paernu weather in March.

In comparing the weather between April and May, May generally experiences milder temperatures with a minimum of -4°C (24°F) and an average of 11°C (52°F), compared to April's lower minimum of -7°C (19°F) and average of 5°C (42°F). Maximum temperatures in May can reach up to 29°C (84°F), significantly higher than April's maximum of 23°C (73°F). While both months see a similar amount of precipitation—53 mm (2.1 in) in May and 47 mm (1.8 in) in April—May has slightly less rain spread over fewer days, with precipitation occurring on 9 days versus 10 days in April. Humidity levels are also higher in April at 87%, compared to May's 76%. For more specific details about April weather, you can check Paernu weather in April.

In May, temperatures range from a chilly low of -4°C (24°F) to a pleasant high of 29°C (84°F), with an average of 11°C (52°F). The month experiences 53 mm (2.1 in) of precipitation over about 9 days, and the humidity averages around 76%. In contrast, June sees a rise in temperatures, with a minimum of 2°C (36°F), an average of 17°C (63°F), and a maximum of 33°C (92°F). Precipitation increases to 68 mm (2.7 in) over approximately 12 days, alongside a slight uptick in humidity to 80%. For a more detailed look at June weather in Paernu, check Paernu weather in June.

In comparing the weather of May and July, we see notable differences in temperature and precipitation patterns. May experiences a wider temperature range, with a minimum of -4°C (24°F) and a maximum of 29°C (84°F), resulting in an average of 11°C (52°F). This month also sees less precipitation, totaling 53 mm (2.1 in) over about 9 days, with a humidity level of 76%. In contrast, July is warmer with a minimum temperature of 5°C (41°F) and a maximum of 32°C (90°F), giving it an average of 18°C (65°F). It is also wetter, recording 87 mm (3.4 in) of precipitation over 13 days and a slightly higher humidity of 80%. For more detailed information on July weather, you can visit Paernu weather in July.

In comparing the weather between May and August, we see a notable shift in temperatures and precipitation. May experiences a wider temperature range, with minimums dipping to -4°C (24°F) and maximums reaching up to 29°C (84°F), while the average temperature settles around 11°C (52°F). On the other hand, August offers milder temperatures, with minimums at 5°C (41°F) and maximums peaking at 31°C (87°F), leading to a comfortable average of 17°C (63°F).

Precipitation levels also differ, as May sees around 53 mm (2.1 in) of rainfall spread over 9 days, whereas August has a higher total of 94 mm (3.7 in) across 13 days, resulting in increased humidity levels—76% in May compared to 83% in August. For more specifics on August weather, you can check out Paernu weather in August.

May and September exhibit distinct weather characteristics, reflecting the transition from spring to autumn. In May, temperatures range from a low of -4°C (24°F) to a comfortable average of 11°C (52°F), peaking at 29°C (84°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 9 days, with humidity levels sitting at 76%. In contrast, September boasts a slightly warmer average temperature of 13°C (55°F), with a minimum of -2°C (29°F) and a maximum of 25°C (78°F). However, it is generally wetter, receiving 76 mm (3.0 in) of rain across 13 days and higher humidity at 87%. For more detailed information on September weather, you can check Paernu weather in September.

May and October offer contrasting weather experiences, with May presenting milder temperatures while October ushers in cooler conditions. In May, temperatures range from a minimum of -4°C (24°F) to a maximum of 29°C (84°F), leading to an average of 11°C (52°F). The month experiences about 53 mm (2.1 in) of rain over approximately 9 days, with a humidity level of 76%. In contrast, October sees lower temperatures, with a minimum of -6°C (22°F) and a maximum of 20°C (67°F), averaging around 8°C (46°F). It is also wetter, receiving about 87 mm (3.4 in) of precipitation spread across 14 days, resulting in a higher humidity of 90%. For more details on October weather, you can visit Paernu weather in October.

May and November present markedly different weather conditions. In May, temperatures range from a chilly -4°C (24°F) at night to a warm 29°C (84°F) during the day, with an average of 11°C (52°F). The month sees about 53 mm (2.1 in) of precipitation over 9 days, and humidity levels sit at a relatively comfortable 76%. In contrast, November experiences a more severe chill, with temperatures dropping as low as -8°C (17°F) and peaking at only 12°C (55°F), averaging just 4°C (39°F). Precipitation increases slightly to 57 mm (2.3 in) over 11 days, and humidity rises to 91%, making the air feel considerably damp. For more detailed insights on November weather, visit Paernu weather in November.

May and December exhibit stark contrasts in weather patterns. In May, temperatures range from a chilly -4°C (24°F) at night to a warm 29°C (84°F) during the day, averaging around 11°C (52°F). With 53 mm (2.1 in) of precipitation over 9 days, humidity sits at a comfortable 76%. In contrast, December sees much colder temperatures, with a minimum of -20°C (-4°F) and a maximum of only 8°C (47°F), averaging 0°C (32°F). The month receives slightly more precipitation at 54 mm (2.1 in) spread over 13 days, and humidity rises to 90%. For more detailed insights into December's weather, you can refer to Paernu weather in December.

Compare Paernu's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Paernu

As May unfolds in Pärnu, a distinct transformation occurs in the weather, marking a vibrant shift from the chill of earlier months. With temperatures rising significantly from the cooler spring days, residents and visitors alike can relish the warmth, basking in an average of 11°C while occasionally enjoying peaks that reach up to 29°C. This shift not only brings about a decrease in snowy nights but also an increase in rainfall, with about 53 mm falling over approximately nine days. The humidity, hovering around 76%, adds a touch of freshness that invigorates the coastal air. For a deeper understanding of how May's weather contrasts with the rest of the year, explore the details at Paernu Climate.