May Weather in Opua, New Zealand

Last updated: August 31, 2025

In May, Opua, New Zealand, offers a delightful blend of mild temperatures and refreshing breezes, with a maximum of 22°C (71°F) and an average of 15°C (59°F). Visitors can expect cooler evenings, as temperatures can dip to a minimum of 6°C (43°F). This month's weather also brings a total of 59 mm (2.3 in) of precipitation over 8 days, contributing to a lush, green landscape. With an average humidity of 77%, the air feels pleasantly fresh, making May an ideal time for enjoying the natural beauty and charm of Opua.

May Temperature in Opua

In May, Opua, New Zealand, welcomes the transition into cooler autumn temperatures. As the month unfolds, the average temperature settles at 15°C (59°F), marked by a minimum of 6°C (43°F) and a comfortable maximum of 22°C (71°F). This represents a gradual decline from the warmer months, with each passing month from April to May showing a noticeable drop in temperature. With crisp mornings and relatively mild afternoons, May invites locals and visitors alike to enjoy the stunning natural beauty of the region while wrapped in cozy layers, as the landscape transforms in preparation for the chillier winter ahead. The shift from the summer heat transitions Opua into a season of refreshing change, offering a perfect backdrop for exploring the great outdoors.

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

The chart illustrates May temperature patterns in Opua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Opua, 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).
JanFebMarAprMayJunJulAugSepOctNovDec686967635956545455596266
Data source: Temperature data for Opua 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 Opua

May in Opua, New Zealand, brings a moderate precipitation total of 59 mm (2.3 in), falling on an average of 8 days throughout the month. As autumn deepens, this amount represents a slight decrease from April’s 83 mm (3.3 in), reflecting a trend of tapered rainfall leading into winter. In contrast to the wetter months of June and July, which see precipitation levels soaring to 126 mm (5.0 in) and 106 mm (4.2 in), May stands as a transitional period, hinting at the impending winter rains while remaining comfortably milder. Overall, Opua's May weather strikes an inviting balance, characterized by refreshing, albeit less frequent, showers that punctuate the lush landscape.

May Precipitation Trends in Opua

The chart displays monthly precipitation patterns in Opua, 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 Opua, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec499469835912610692801046554
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Opua

In May, Opua, New Zealand experiences a humidity level of 77%, slightly higher than the preceding month of April but lower than the soaring 80% that follows in June. This slight uptick in humidity signals the onset of winter, contributing to the region's lush, green landscapes. The trend in humidity throughout the year reveals a gradual increase from the 75% in April, culminating in the peak levels of 80% during the coldest months. Overall, Opua enjoys a relatively humid climate, with percentages hovering between 75% and 80% for much of the year, making its weather feel fresh and invigorating, even as temperatures dip with the changing seasons.

May Average Humidity in Opua

This chart illustrates the average monthly humidity levels in Opua, 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 Opua is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%76%75%77%80%80%78%78%79%79%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Opua

In May, Opua experiences a notable dip in the UV Index, falling to 5, which categorizes it as moderate and allows for a more leisurely 30 minutes of safe sun exposure compared to the intense extremes earlier in the year. From the scorching heights of January and February, where the UV Index soared to 14, sun safety measures were crucial with a mere 10-minute burn time. This trend of descending UV levels continues through April at 8 and into the cooler months, while June and July retain a moderate index of 3. As the year progresses, Opua allows its residents and visitors to enjoy the outdoors with less urgency in sun protection, making May an ideal month for outdoor activities. For updated information on the UV levels throughout the year, visit Opua UV Index.

Maximum UV Index Levels in Opua for May

The chart shows the monthly maximum UV Index (UVI) for Opua 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 Opua typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141411853357101214
Data source: Opua 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 Opua

In May, Opua, New Zealand, basks in the gentle embrace of 213 hours of sunshine, marking a transitional phase as the days begin to gradually shorten. This brings a notable shift from the sunlit abundance of the earlier summer months—January peaks at a vibrant 278 hours, while the sunniest month, December, dazzles with 321 hours. May’s sun time hints at a trend of diminishing light, contrasting sharply with the vibrant autumn months that precede it. As winter arrives, June sees a further decline to 183 hours, illustrating the seasonal rhythm of Opua, where every month tells its own story through the dance of sunlight.

Monthly Sunshine Duration in Opua: May Highlighted

The May sunshine duration represents the total number of hours Opua 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.
JanFebMarAprMayJunJulAugSepOctNovDec278h269h271h233h213h183h214h231h253h269h286h321h
Data source: Opua May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Opua During May

In Opua, New Zealand, May brings a 37% chance of sunny weather, marking a slight dip compared to the preceding months, with April and March both enjoying a 44% likelihood of sunshine. This decline reflects an overall trend of diminishing sunny days as autumn deepens, with February experiencing the highest sunshine chances at 35%. As winter approaches, the chances of clear skies steadily climb in June and July, reaching 40% and 41%, respectively. Despite May's relatively modest forecast, it still offers more sunny days than the gloomy months that follow, creating opportunities for outdoor enjoyment before the chill sets in.

Percentage of Sunny Days in May in Opua

The chart illustrates the percentage of sunny days in Opua 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 Opua experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%35%45%44%37%40%41%46%40%29%27%27%
Data source: Opua May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Opua in May

As spring transitions into autumn, May in Opua, New Zealand, experiences a reduction in daylight with about 10 hours of sun each day. This decline follows a gradual tapering off from the long, bright days of summer, with January basking in a generous 14 hours of daylight. After February's 13 hours and March's 12 hours, daylight continues to decrease, reaching its annual low in June with just 9 hours. Interestingly, this trend of diminishing daylight is counterbalanced as the year progresses, with daylight increasing once again starting in July. Overall, May serves as a poignant reminder of the shifting seasons, bridging the vibrant warmth of summer with the cooler embrace of winter.

Average Daylight Hours in Opua for May

The chart illustrates the variation in daylight duration in Opua throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 13m13h 21m12h 16m11h 10m10h 15m9h 48m10h 1m10h 48m11h 51m12h 58m13h 57m14h 28m
Data source: Opua daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Opua

In Opua, New Zealand, the month of May brings a noticeable uptick in average wind speed, reaching 4.6 m/s (10 mph), which marks an increase compared to the preceding months. This trend mirrors a steady escalation in wind intensity observed as the seasons transition from autumn to winter. Following May, the winds continue to strengthen, with June inching up to 4.7 m/s (10 mph) and July seeing a peak at 5.3 m/s (12 mph). The wind dynamics in this coastal region create a vibrant atmosphere, ideal for sailing and outdoor activities, while the gentle early months of the year with speeds averaging around 3.5 to 4.4 m/s provide a serene backdrop before the breezier winter months set in.

Average May Wind Speed in Opua

The chart displays monthly wind speed patterns in Opua, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.74.44.13.54.6 m/s4.75.34.95.14.63.84.1
Data source: Opua May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Opua Compares to Other Months

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

When comparing the weather in May and January, we observe distinct differences in temperature and precipitation. May typically experiences cooler conditions with a minimum of 6°C (43°F) and a maximum of 22°C (71°F), averaging around 15°C (59°F). In contrast, January warms up considerably, featuring a minimum of 12°C (53°F) and a maximum of 28°C (82°F), with an average temperature of 20°C (69°F). Precipitation is more frequent in May, with 59 mm (2.3 in) of rain over 8 days, compared to January's 49 mm (1.9 in) over just 5 days. Humidity levels remain relatively similar, with May at 77% and January slightly higher at 79%. For more detailed insights into January weather patterns, check Opua weather in January.

May weather is generally cooler than February, with an average temperature of 15°C (59°F) compared to February's warmer 20°C (69°F). February experiences a higher maximum temperature of 30°C (86°F), while May peaks at 22°C (71°F). Interestingly, February also has more rainfall, totaling 94 mm (3.7 in) over 9 days, compared to May's 59 mm (2.3 in) over 8 days. The humidity levels are quite similar, with May at 77% and February at 78%. For a more detailed look at February weather, you can check Opua weather in February.

In comparing the weather of May and March, it's evident that March tends to be warmer overall, with average temperatures reaching 19°C (67°F) compared to May's average of 15°C (59°F). March also boasts higher maximum temperatures at 26°C (79°F), while May tops out at 22°C (71°F). However, May sees slightly less rainfall, with 59 mm (2.3 in) of precipitation over 8 days compared to March's 69 mm (2.7 in) spread over 12 days. Humidity levels are fairly similar, with May at 77% and March at 76%. For a more detailed look at March conditions, you can visit Opua weather in March.

In comparing the weather between April and May, April tends to be slightly warmer, with average temperatures reaching around 17°C (63°F) compared to May's 15°C (59°F). While April experiences slightly higher maximum temperatures of 24°C (76°F), May’s peaks are capped at 22°C (71°F). Precipitation is more pronounced in April, totaling 83 mm (3.3 in) over 9 days, while May sees 59 mm (2.3 in) across 8 days, indicating a somewhat drier month. Humidity levels remain relatively similar, with April at 75% and May slightly higher at 77%. For more detailed insights, check Opua weather in April.

In comparing the weather between May and June, it is evident that May generally offers slightly warmer temperatures, with average highs reaching 22°C (71°F) compared to June’s maximum of 19°C (67°F). Although both months experience significant humidity levels, June has a marginally higher humidity at 80% compared to May's 77%. Precipitation also increases notably in June with 126 mm (5.0 in) expected over 10 days, whereas May sees less rain at 59 mm (2.3 in) spread across 8 days. This makes June a wetter month overall. For more specific details about June weather, you can check Opua weather in June.

In comparing the weather of May and July, May generally experiences milder temperatures with a minimum of 6°C and an average high of 22°C. In contrast, July is cooler, with a minimum of 3°C and a maximum of only 19°C. Precipitation is also notably higher in July, with 106 mm compared to May's 59 mm, and July sees rain on 9 days versus 8 in May. The humidity levels are slightly elevated in July at 80%, compared to 77% in May. For more detailed insights on the weather conditions in July, you can check out Opua weather in July.

May typically experiences milder temperatures compared to August, with average highs reaching up to 22°C (71°F) and lows around 6°C (43°F). In contrast, August sees cooler conditions, with maximum temperatures peaking at 19°C (66°F) and a lower average of 12°C (55°F). While May has a slightly lower precipitation level at 59 mm (2.3 in) over about 8 days, August is wetter, receiving 92 mm (3.6 in) across 13 days. Both months feature high humidity, with May at 77% and August slightly higher at 78%. For a closer look at August weather in a specific region, check out Opua weather in August.

In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 22°C (71°F), with an average of 15°C (59°F). The month experiences about 59 mm (2.3 in) of precipitation over approximately 8 days, and the humidity sits at a comfortable 77%. In contrast, September brings slightly cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 20°C (69°F), averaging 13°C (56°F). This month is typically wetter, with 80 mm (3.2 in) of rain spread over around 12 days, and slightly higher humidity at 78%. For a detailed look at weather conditions, you can check Opua weather in September.

In May, temperatures range from a minimum of 6°C (43°F) to a maximum of 22°C (71°F), with an average of 15°C (59°F). The month sees about 59 mm (2.3 in) of precipitation over 8 days, and the humidity levels are relatively high at 77%. In contrast, October experiences slightly warmer temperatures with a minimum of 7°C (44°F) and the same maximum and average as May. However, it is generally wetter, with 104 mm (4.1 in) of precipitation spread across 10 days and a slight increase in humidity at 79%. For a more detailed look at October weather, check out Opua weather in October.

In comparing the weather between May and November, we see some notable differences. May typically has a minimum temperature of 6°C (43°F) and an average of 15°C (59°F), while November starts off slightly warmer with a minimum of 8°C (46°F) and an average of 17°C (62°F). November also boasts a higher maximum temperature, reaching up to 26°C (78°F) compared to May's peak of 22°C (71°F). Precipitation levels are relatively close, with May receiving 59 mm (2.3 in) over about 8 days, while November sees 65 mm (2.6 in) spread across 12 days, resulting in slightly increased humidity in November at 79%, compared to May's 77%. For more detailed weather conditions, you can check Opua weather in November.

May and December exhibit contrasting weather patterns, making each month unique. In May, temperatures range from a chilly 6°C at night to a comfortable 22°C during the day, with an average of 15°C, while December brings warmer conditions with minimum temperatures of 10°C and maximums reaching 27°C, averaging 19°C. Precipitation is slightly higher in May at 59 mm over 8 days compared to December's 54 mm spread across 10 days, indicating that while May might feel a bit wetter, December still has a significant chance of rain. Humidity levels are similar, with May at 77% and December slightly higher at 78%. For those interested in specific weather conditions in December, you can check out Opua weather in December.

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Conclusion: What to Expect From May Weather in Opua

As May rolls in, Opua experiences a noticeable shift in its weather patterns, contrasting sharply with the warmer months that precede it. With temperatures gradually cooling, the atmosphere becomes more vibrant as the humidity levels rise to a comfortable 77%. Though rainfall graces the region on about eight days, the 59 mm of precipitation fosters the lush scenery that Northland is known for. This transition invites a refreshing chill, making it an ideal time for cozy moments indoors, while still enjoying the beauty of the outdoors. For a comprehensive look at how the climate evolves, explore more at Opua Climate.