May Weather in Vestby, Norway

Last updated: August 27, 2025

Experience the varied May weather of Vestby, Norway, where temperatures range from a pleasant maximum of 31°C (89°F) to a refreshing minimum of 0°C (32°F), with an average hovering around 12°C (54°F). This month brings about 72 mm (2.8 in) of precipitation over 11 days, contributing to a humidity level of 73% that envelops the region in a crisp and vibrant atmosphere. Whether basking in warmth or savoring the refreshing coolness, May offers a unique blend of weather experiences in this idyllic Norwegian locale.

May Temperature in Vestby

As May arrives in Vestby, Norway, the temperatures start to embrace the warmth of spring. With a minimum of 0°C (32°F), the chill of winter gives way to a pleasant average of 12°C (54°F), making outdoor activities increasingly inviting. The maximum temperature can soar up to 31°C (89°F), offering a significant contrast to the deeper winter months. This trend marks a gradual but notable warming, with May emerging as a delightful month where the landscape begins to flourish, and the vibrant spirit of summer is just around the corner. As the days stretch longer and sunnier, Vestby transforms into a picturesque setting perfect for exploration and enjoyment.

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

The chart illustrates May temperature patterns in Vestby, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vestby, 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).
JanFebMarAprMayJunJulAugSepOctNovDec323136445363666256473932
Data source: Temperature data for Vestby 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 Vestby

In May, Vestby experiences a noticeable increase in precipitation, recording 72 mm (2.8 in) over 11 days. This uptick follows a relatively dry April, which saw only 32 mm (1.3 in) of rain across just 5 days. As spring transitions into early summer, the rainy season becomes more pronounced, with May setting the stage for the wetter months ahead. The spike in rainfall not only nourishes the verdant landscape but also contributes to a steady rise in average precipitation, culminating in even wetter months like June and July. This trend highlights May as a crucial month for preparing for the lush, vibrant summers that follow in Vestby.

May Precipitation Trends in Vestby

The chart displays monthly precipitation patterns in Vestby, 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 Vestby, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5663623272768476991149494
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Vestby

As spring transitions into summer, May in Vestby, Norway experiences a notable drop in humidity, with levels averaging a comfortable 73%. This marks a significant decrease from the high humidity lingering in the winter months, which hovers around 94% in January. The trend continues from April at 82%, indicating that the milder temperatures and increasing sunshine begin to create a more pleasant environment. Following May, humidity slightly dips further in June to 71%, suggesting that the warmer months may also bring drier air. Overall, this seasonal shift reflects a refreshing change, offering residents and visitors a reprieve from the consistently damp winter weather.

May Average Humidity in Vestby

This chart illustrates the average monthly humidity levels in Vestby, 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 Vestby is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Vestby

As winter fades in Vestby, Norway, the UV Index begins to rise, marking a transition towards sunnier months. In January and February, the index remains at a low 1, allowing for safe outdoor activities without much concern for sunburn, with a burn time of 45 minutes. As spring arrives, March sees a moderate increase to an index of 3, followed by a gradual climb to 4 in April. The trend continues into May, where the UV Index reaches 5, indicating a moderate exposure level with a burn time of 30 minutes. This is a notable shift, signifying that sun protection becomes increasingly important as the season progresses. For more details on UV levels throughout the year, visit Vestby UV Index.

Maximum UV Index Levels in Vestby for May

The chart shows the monthly maximum UV Index (UVI) for Vestby 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 Vestby typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Vestby 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 Vestby

As spring blooms into full swing, May in Vestby, Norway, shines brightly with 421 hours of sunshine, marking a delightful peak in daylight after the long, dark winter months. This upward trend in sunlight, beginning with 91 hours in January and steadily climbing to April’s 373 hours, illustrates the gradual awakening of the sun’s warmth and the vibrant life that follows. As summer approaches, June continues to outshine May with 455 hours, indicating a joyful anticipation of long, sunlit days. Vestby’s seasonal journey showcases the increasing luminosity of late spring, inviting both locals and visitors to revel in the stunning natural beauty and outdoor activities that flourish under the golden rays.

Monthly Sunshine Duration in Vestby: May Highlighted

The May sunshine duration represents the total number of hours Vestby 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.
JanFebMarAprMayJunJulAugSepOctNovDec91h179h289h373h421h455h473h404h283h225h134h98h
Data source: Vestby May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vestby During May

In Vestby, Norway, the journey to sunnier days takes a slight detour in May, with only a 29% chance of experiencing sunshine. This is a noticeable dip from April's more promising 56%, suggesting that the arrival of spring may be accompanied by some lingering clouds. The trend shows that while the chance for sun steadily increases from January through April, May marks a low point before sunlit days return in the summer months of June and July. As the days grow longer, the weather becomes increasingly favorable, offering hope for brighter skies ahead.

Percentage of Sunny Days in May in Vestby

The chart illustrates the percentage of sunny days in Vestby 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 Vestby experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec35%42%43%56%29%39%45%39%26%32%23%30%
Data source: Vestby May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vestby in May

As spring unfolds in Vestby, Norway, May heralds a remarkable increase in daylight, with the sun gracing the skies for an impressive 17 hours. This surge reflects a continued trend of extending daylight that begins in January, where the sun shines for just 6 hours. By the end of April, days lengthen to a delightful 14 hours, paving the way for the vibrant brightness of May. The daylight continues to reach its peak in June, but by August, it gently begins to recede, highlighting a beautiful cycle of light and time throughout the year. Observing these fluctuations provides a captivating glimpse into the rhythm of nature in this charming Norwegian town.

Average Daylight Hours in Vestby for May

The chart illustrates the variation in daylight duration in Vestby throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 57m9h 13m11h 52m14h 33m17h 3m18h 28m17h 42m15h 24m12h 46m10h 6m7h 37m6h 11m
Data source: Vestby daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Vestby

In Vestby, Norway, the May winds usher in a gentle breeze, with an average wind speed of 2.8 m/s (6 mph), slightly lower than the preceding months of April. This marks the beginning of a trend where the winds gradually calm down as the summer approaches, continuing with an equally mild June. Notably, after a consistent breeze of 3.1 m/s through the winter and spring months, May signals a transition to the more tranquil summer atmosphere. As the year progresses, wind speeds tend to fluctuate, reaching higher peaks again in the autumn. Overall, May's moderate winds provide a serene backdrop for the blooming scenery, embodying the peaceful essence of spring in this picturesque coastal town.

Average May Wind Speed in Vestby

The chart displays monthly wind speed patterns in Vestby, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.13.13.32.8 m/s2.82.62.92.83.93.12.7
Data source: Vestby May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Vestby Compares to Other Months

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

May and January present contrasting weather profiles, showcasing the transition from winter to spring. In May, temperatures rise significantly, with minimums around 0°C (32°F) and averaging 12°C (54°F), peaking at a warm 31°C (89°F). The month sees 72 mm of precipitation over 11 days, along with a humidity level of 73%. In contrast, January is much colder, featuring minimum temperatures of -18°C (0°F) and an average of 0°C (32°F), with a maximum of only 11°C (52°F). January also experiences less precipitation, totaling 56 mm across 9 days, but with higher humidity at 94%. This stark difference illustrates the seasonal shift, making May a more temperate time compared to the frigid conditions of January. For more details, you can check Vestby weather in January.

When comparing the weather in May and February, the stark differences are evident. May experiences a milder temperature range, with minimums around 0°C (32°F) and maximums soaring to 31°C (89°F), offering an average of 12°C (54°F). In contrast, February is much colder, with minimum temperatures plummeting to -19°C (-1°F) and averaging 0°C (32°F) under a max of 12°C (53°F). Precipitation is relatively similar, with May receiving 72 mm (2.8 in) over 11 days and February just slightly less at 63 mm (2.5 in) over 10 days. Humidity levels also vary significantly, with May sitting at 73% compared to February's higher 92%. For a more detailed analysis of February's weather, you can visit Vestby weather in February.

When comparing the weather in May and March, we can see significant differences in temperature and conditions. May enjoys a much milder climate, with average temperatures around 12°C (54°F) and highs reaching up to 31°C (89°F), while March experiences colder weather, with an average of only 2°C (37°F) and maximums of 18°C (65°F). In terms of precipitation, May receives slightly more rain (72 mm or 2.8 in) over 11 days, compared to March’s 62 mm (2.5 in) over 9 days. Additionally, March has a higher humidity level at 89%, compared to May's 73%. For a more detailed look at March weather, visit Vestby weather in March.

May typically brings warmer temperatures compared to April, with minimums rising from -9°C (17°F) in April to 0°C (32°F) in May. The average temperature in May reaches 12°C (54°F), while April's average is cooler at 7°C (45°F). May also sees a higher maximum temperature, peaking at 31°C (89°F) compared to April's 24°C (75°F). However, May experiences more precipitation, with 72 mm (2.8 in) falling over 11 days, compared to April's 32 mm (1.3 in) over just 5 days. Additionally, humidity levels are slightly lower in May at 73%, compared to 82% in April. For more details, you can check Vestby weather in April.

May and June both exhibit mild temperatures, but June typically offers a more comfortable average with a minimum of 5°C (42°F) compared to May’s 0°C (32°F). While the maximum temperatures in both months reach around 31°C (89°F) in May and 31°C (88°F) in June, June's average temperature of 17°C (63°F) provides a warmer feel overall. Precipitation is slightly higher in June at 76 mm (3.0 in) over 12 days, versus 72 mm (2.8 in) spread across 11 days in May. Despite this slight increase in rainfall, humidity remains relatively stable, with May at 73% and June at 71%. For more detailed information, you can check Vestby weather in June.

In comparing the weather of May and July, we see notable differences in temperature and precipitation patterns. May features a broader temperature range, with a minimum of 0°C (32°F) and a maximum of 31°C (89°F), resulting in an average of 12°C (54°F). The month also experiences 72 mm (2.8 in) of precipitation over 11 days and has a humidity level of 73%. In contrast, July is warmer, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 34°C (93°F), leading to a higher average of 19°C (66°F). Interestingly, July also sees increased precipitation, totaling 84 mm (3.3 in) over 10 days, but slightly lower humidity at 72%. For more detailed insights, check out Vestby weather in July.

In May, temperatures range from a chilly 0°C (32°F) at night to a warm 31°C (89°F) during the day, averaging around 12°C (54°F). The month sees a moderate amount of precipitation at 72 mm (2.8 in) over 11 days, with humidity levels sitting at 73%. In contrast, August features slightly milder temperatures, with nighttime lows of 6°C (43°F) and daytime highs reaching 29°C (84°F), averaging 17°C (63°F). Although August experiences a bit more rainfall at 76 mm (3.0 in) across 12 days, humidity increases only marginally to 77%. For a detailed look at August weather in Vestby, check out Vestby weather in August.

In comparing the weather of May and September, we see distinct differences in temperature and precipitation. May offers a wider temperature range, with a minimum of 0°C (32°F), an average of 12°C (54°F), and a maximum reaching up to 31°C (89°F). In contrast, September experiences cooler temperatures, featuring a minimum of 0°C (32°F), an average of 13°C (56°F), and a maximum of just 26°C (78°F). When it comes to precipitation, September is notably wetter, with 99 mm (3.9 in) falling over 12 days compared to May’s 72 mm (2.8 in) over 11 days. Additionally, the humidity is higher in September at 86%, compared to May's 73%. For more detailed information about September weather, visit Vestby weather in September.

May and October present quite different weather patterns. In May, temperatures range from a cool 0°C (32°F) at night to a warm 31°C (89°F) during the day, with an average temperature of 12°C (54°F). The month sees about 72 mm (2.8 in) of precipitation over approximately 11 days, and humidity levels are around 73%. In contrast, October experiences much cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 18°C (64°F), resulting in an average temperature of just 8°C (47°F). The month is also wetter, with 114 mm (4.5 in) of precipitation over around 14 days, and humidity climbs to 92%. For more specific insights, check out Vestby weather in October.

May and November present contrasting weather experiences. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 31°C (89°F) during the day, with an average of 12°C (54°F). This month sees about 72 mm (2.8 in) of precipitation over approximately 11 days, along with a humidity level of 73%. In stark contrast, November brings colder temperatures with a minimum of -9°C (15°F) and a maximum of 15°C (60°F), averaging just 4°C (39°F). This month experiences higher precipitation at 94 mm (3.7 in) over 13 days and significantly increased humidity at 93%. For more details on weather patterns for this month, you can check Vestby weather in November.

May and December present stark contrasts in weather patterns. In May, temperatures can range from a chilly 0°C (32°F) to a warm 31°C (89°F), with an average of 12°C (54°F), making it a more temperate month overall. However, it also sees around 72 mm (2.8 in) of precipitation over approximately 11 days, with humidity levels sitting at 73%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -11°C (12°F) and an average of 0°C (33°F), peaking at just 9°C (49°F). This winter month experiences higher precipitation at 94 mm (3.7 in) spread over 15 days, alongside increased humidity at 93%. For more details on December weather, check out Vestby weather in December.

Compare Vestby's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Vestby

As May unfolds in Vestby, it marks a distinct transition from the lingering chill of early spring to the warmth of approaching summer. With a notable maximum temperature reaching up to 31°C (89°F), the month showcases the potential for sunny days, setting it apart from the cooler temperatures of March and April. However, May also carries a mix of occasional rain, with 11 days experiencing precipitation that adds to the season's unique charm. The average humidity of 73% creates a fresh atmosphere that invigorates the landscape, unlike the drier conditions often felt in the subsequent summer months. For those keen to explore the fascinating shifts in Vestby's climate, delve deeper into the details available at Vestby Climate.