May Weather in Neiafu, Tonga

Last updated: August 31, 2025

In May, Neiafu, Tonga, experiences a warm tropical climate, with maximum temperatures reaching up to 28°C (83°F) and an average of 26°C (79°F). The minimum temperature typically hovers around 22°C (72°F), creating a comfortable atmosphere for outdoor activities. However, this month also brings significant rainfall, with a total of 210 mm (8.3 in) spread over 18 rainy days, resulting in a humidity level of 82%. Travelers should prepare for a mix of sunny spells and lush, verdant scenery shaped by the refreshing rain, making May an intriguing time to explore the beautiful landscapes of Neiafu.

May Temperature in Neiafu

In May, Neiafu, Tonga, experiences a delightful transition into the cooler months with temperatures that exemplify mild tropical charm. The minimum temperature dips to a cozy 22°C (72°F), while the average holds steady at a comfortable 26°C (79°F), and the maximum peaks at 28°C (83°F). This gradual cooling trend from the hotter summer months of January through April marks a refreshing change, making May ideal for outdoor activities and exploration. As the temperatures soften, visitors can look forward to enjoyable days under the sun, complemented by pleasant evenings—perfect for savoring the local culture and stunning landscapes.

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

The chart illustrates May temperature patterns in Neiafu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Neiafu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808080807977767576777879
Data source: Temperature data for Neiafu 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 Neiafu

May in Neiafu, Tonga, showcases a moderate precipitation trend with a total of 210 mm (8.3 in) of rain over 18 days, slightly lower than the previous month's 229 mm (9.0 in). This indicates a gradual transition into the drier winter months, as rainfall begins to decrease after the peak wet season. The overall pattern from January to May reveals a significant drop in precipitation after February's peak, emphasizing the seasonal shift. Notably, while May's rainfall is considerably less than the deluges earlier in the year, it still maintains a healthy moisture level, reinforcing Neiafu's lush landscapes enriched by these early autumn showers.

May Precipitation Trends in Neiafu

The chart displays monthly precipitation patterns in Neiafu, 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 Neiafu, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3164011832292109110411097177115204
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Neiafu

In Neiafu, Tonga, the month of May maintains a consistence in humidity levels, mirroring the 82% humidity found in both January and February. As the tropical season unfolds, it appears that the humidity remains relatively stable from month to month, dipping slightly to 81% in March and April before rising back to May's level. This trend highlights a generally high humidity environment throughout this period, which ultimately contributes to the lush, vibrant landscape of the region. As the year progresses, the humidity begins to decline in June, suggesting a gradual shift as the dry season approaches and setting the stage for the months ahead.

May Average Humidity in Neiafu

This chart illustrates the average monthly humidity levels in Neiafu, 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 Neiafu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%81%81%82%77%78%79%81%84%84%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Neiafu

In May, Neiafu experiences a UV Index of 9, placing it in the very high exposure category with a burn time of 15 minutes. This marks a notable drop from the extreme levels of the previous months, which consistently ranged between 12 and 16, where the burn time was only 10 minutes. As the days begin to cool slightly before winter, May still demands caution; exposure to the midday sun can lead to quick burns if not protected against. Looking forward, June brings further reprieve with an index of 7, shifting to high exposure and extending the burn time, while the pattern of fluctuating UV levels continues throughout the year. For more detailed information on the UV Index and how to stay safe under the sun, visit Neiafu UV Index.

Maximum UV Index Levels in Neiafu for May

The chart shows the monthly maximum UV Index (UVI) for Neiafu 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 Neiafu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161615129781112141516
Data source: Neiafu 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 Neiafu

As May unfolds in Neiafu, Tonga, the region enjoys a delightful 251 hours of sunshine, making it a wonderful time to experience the outdoors. This month closely follows April's 254 hours, demonstrating the area's consistent warmth and bright skies as it transitions into winter. While May sees slightly less sunshine than its predecessor, it maintains a prominent position in the bright spectrum of the year, with sunlit hours steadily increasing from January’s 227 hours all the way to December’s impressive 303 hours. This upward trend in sunshine hours exemplifies Niafu's charm, inviting visitors to bask in its radiance as the days grow longer and the evenings remain pleasantly warm.

Monthly Sunshine Duration in Neiafu: May Highlighted

The May sunshine duration represents the total number of hours Neiafu 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.
JanFebMarAprMayJunJulAugSepOctNovDec227h236h281h254h251h242h254h259h272h285h298h303h
Data source: Neiafu May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Neiafu During May

In Neiafu, Tonga, May offers a 34% chance of sunny weather, a dip from the preceding months' trend. As the island transitions from the slightly sunnier April—where the likelihood of sunshine peaks at 49%—to the more favorable conditions in June with a 44% chance, May stands out as a bridge between the gradual approach of winter and the lingering warmth of autumn. This pattern indicates a fluctuating climate, where residents and visitors alike can expect a mix of clouds and sunshine as they enjoy the tropical ambiance. Though May may not boast the highest odds for clear skies, it still carries with it the promise of pleasant moments under the sun amidst the vibrant landscapes of Tonga.

Percentage of Sunny Days in May in Neiafu

The chart illustrates the percentage of sunny days in Neiafu 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 Neiafu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec15%27%40%49%34%44%53%40%54%44%46%47%
Data source: Neiafu May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Neiafu in May

As May unfolds in Neiafu, Tonga, residents experience a consistent 11 hours of daylight, mirroring the preceding months of April and continuing through the winter. This period marks a plateau in daylight duration that hints at a gradual transition from the longer days of summer, where January shines with a bright 13 hours, down to the more subdued hours in winter. Interestingly, daylight hours begin to extend again in October, heralding the return of longer days as the year winds toward its close. This ebb and flow of daylight not only shapes the rhythm of daily life in Neiafu but also beautifully exemplifies the tropical climate's subtle seasonal shifts.

Average Daylight Hours in Neiafu for May

The chart illustrates the variation in daylight duration in Neiafu throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 5m12h 40m12h 9m11h 37m11h 12m11h11h 7m11h 29m11h 59m12h 31m12h 59m13h 13m
Data source: Neiafu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Neiafu

In May, Neiafu, Tonga, experiences a delightful uptick in wind patterns, boasting an average wind speed of 7.2 m/s (16 mph)—a notable increase compared to the preceding months. This gentle breeze sets the stage for outdoor adventures, making it a prime time for sailing and exploring the stunning coastal landscapes. Interestingly, May's wind speed ties closely with the consistent breezy conditions seen in June and July, where speeds hover around 7.4 m/s (16 mph). As the year progresses, the winds seem to dance between the calm of April's 4.7 m/s and the more invigorating currents of late spring and early summer, illustrating the dynamic nature of Tonga's maritime climate. This delightful shift aligns perfectly with longer days and warmer temperatures, creating an ideal environment for both locals and visitors to embrace the beauty of the season.

Average May Wind Speed in Neiafu

The chart displays monthly wind speed patterns in Neiafu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.17.14.94.77.2 m/s7.47.07.36.17.45.55.5
Data source: Neiafu May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Neiafu Compares to Other Months

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

In May, the weather tends to be slightly warmer with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 28°C (83°F). The month experiences a notable amount of rainfall, with 210 mm (8.3 in) over 18 days, resulting in a humidity level of 82%. In contrast, January is characterized by even warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 29°C (84°F) on average. However, it also sees increased precipitation, totaling 316 mm (12.4 in) over just 17 days, while maintaining the same humidity level of 82%. For a detailed overview of January's climate, you can visit Neiafu weather in January.

When comparing the weather in May and February, both months exhibit warm temperatures with similar humidity levels of 82%. In February, the average temperature is slightly higher, with minimums around 25°C (77°F) and maximums reaching 29°C (85°F), compared to May's range of 22°C (72°F) to 28°C (83°F). However, February also experiences significantly more precipitation, totaling 401 mm (15.8 in) over 21 days, whereas May sees 210 mm (8.3 in) over 18 days. For more detailed insights into February weather patterns, you can visit Neiafu weather in February.

In comparing the weather between March and May, March tends to be slightly warmer overall, with average temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (84°F). In contrast, May's temperatures are a bit cooler, ranging from 22°C (72°F) to 28°C (83°F). However, May experiences more rainfall, with a total precipitation of 210 mm (8.3 in) over 18 days, compared to March's 183 mm (7.2 in) over 22 days. Additionally, humidity levels are quite similar, with May at 82% and March at 81%. For a closer look at March weather patterns, you can check Neiafu weather in March.

When comparing the weather in May and April, there are some notable differences. April typically experiences slightly higher temperatures, with minimums around 24°C (76°F) and maximums reaching 29°C (84°F), whereas May sees lower minimums at 22°C (72°F) and maximums of 28°C (83°F). While precipitation is generally high for both months, April has a bit more rain, totaling 229 mm (9.0 in) compared to May's 210 mm (8.3 in). Interestingly, both months have similar humidity levels, with May at 82% and April at 81%. For more details on the weather in April, you can check out Neiafu weather in April.

In May, the weather tends to be warmer with average temperatures reaching 26°C (79°F), peaking at a maximum of 28°C (83°F). However, it also sees higher rainfall, with a total precipitation of 210 mm (8.3 in) over 18 days, resulting in a humid atmosphere with 82% humidity. In contrast, June experiences slightly cooler temperatures with an average of 25°C (78°F) and a maximum of 27°C (81°F). Additionally, precipitation drops significantly to 91 mm (3.6 in) over 15 days, leading to a reduction in humidity to 77%. For a closer look at June weather, you can visit Neiafu weather in June.

In comparing the weather between May and July, we see some notable differences. May tends to be warmer, with average temperatures reaching 26°C (79°F) and a maximum of 28°C (83°F). This month also experiences more rainfall, with 210 mm (8.3 in) over an average of 18 days and higher humidity levels at 82%. In contrast, July is slightly cooler, with average temperatures of 24°C (76°F) and a maximum of 27°C (81°F). Additionally, precipitation decreases significantly to 104 mm (4.1 in) over 14 days, accompanied by slightly lower humidity at 78%. For more detailed information, you can check Neiafu weather in July.

In comparing the weather between May and August, May tends to be warmer, with average temperatures around 26°C (79°F) compared to August's average of 24°C (76°F). May also experiences higher rainfall, with 210 mm (8.3 in) over 18 days, while August sees significantly less precipitation at 110 mm (4.3 in) over just 12 days. Humidity remains relatively high in both months, but May is slightly more humid at 82%, compared to August's 79%. For a more detailed look at August weather in Neiafu, you can visit Neiafu weather in August.

May and September present quite noticeable differences in weather patterns. In May, temperatures range from a minimum of 22°C (72°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F). However, this month experiences significant rainfall, with 210 mm (8.3 in) of precipitation spread over 18 days, resulting in a humidity level of 82%. In contrast, September offers slightly cooler temperatures, with a minimum of 21°C (71°F) and a maximum of 27°C (80°F), and an average of 25°C (76°F). The rainfall is also much less, totaling 97 mm (3.8 in) over 12 days, while humidity remains fairly consistent at 81%. Overall, September tends to be drier and slightly cooler than May, making it a more pleasant time for outdoor activities. For more details about September weather, visit Neiafu weather in September.

In comparing the weather between May and October, both months exhibit relatively warm temperatures with minimal variation. May has a slightly higher average temperature of 26°C (79°F) and experiences maximum highs of 28°C (83°F), whereas October averages around 25°C (77°F) with maximums of 27°C (80°F). Precipitation is also noteworthy; May sees 210 mm (8.3 in) over 18 days, while October has a lower total of 177 mm (7.0 in) but spans 20 days of rainfall. Humidity levels are fairly similar, with October slightly higher at 84% compared to May's 82%. For more detailed insights, you can check Neiafu weather in October.

May and November exhibit similar temperature ranges, with both months having minimum temperatures around 22°C (72°F) and maximum temperatures reaching 28°C (82°F). However, May is generally wetter, receiving 210 mm (8.3 in) of precipitation over 18 days, compared to November's 115 mm (4.5 in) across 15 days. Humidity levels are quite comparable, with November slightly higher at 83% versus May's 82%. For a detailed look at November weather in Neiafu, you can check Neiafu weather in November.

In May, temperatures in Neiafu range from a minimum of 22°C (72°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F). The month experiences considerable rainfall, receiving 210 mm (8.3 in) over 18 days, leading to a humidity level of 82%. In contrast, December offers a similar temperature profile, with a minimum of 23°C (73°F) and a maximum of 28°C (83°F), maintaining an average of 26°C (79°F). Precipitation slightly decreases to 204 mm (8.0 in) but occurs over a longer duration of 22 days, resulting in a marginally higher humidity of 84%. For more details on December's weather, visit Neiafu weather in December.

Compare Neiafu's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Neiafu

As May settles in, Neiafu experiences a delightful shift in weather that distinguishes it from other months. With an average temperature gently hovering around a comfortable 26°C (79°F), the region invites visitors to bask in its warmth, despite noticeable humidity levels of 82%. However, it's also the beginning of the semi-wet season, evident in the increased precipitation, which brings with it a refreshing vibrance to the lush surroundings. Expect around 18 days of rain, with totals approaching 210 mm (8.3 in), creating a contrast to the drier months preceding it. For more detailed insights, check out the Neiafu Climate page.