May Weather in Apia, Samoa

Last updated: August 31, 2025

May in Apia, Samoa is characterized by a warm tropical climate, with average temperatures hovering around 27°C (81°F). Expect maximum highs of 29°C (85°F) and comfortable lows at 24°C (76°F), making it ideal for outdoor activities. However, be prepared for significant rainfall, as the month sees an average precipitation of 212 mm (8.3 in), spread across 28 days, resulting in a humid atmosphere with levels around 79%. This combination of warmth and moisture creates a lush, vibrant environment, perfect for exploring Samoa's natural beauty.

May Temperature in Apia

In May, Apia, Samoa experiences consistently pleasant temperatures, with minimums around 24°C (76°F) and averages at 27°C (81°F), peaking at 29°C (85°F). This month follows a pattern established in the preceding months, where daytime warmth remains steady, showcasing a tropical climate that seldom drifts far from these agreeable figures. The slight dip in the maximum temperature from 30°C (86°F) in earlier months to 29°C (85°F) reflects a subtle transition as the region approaches the cooler winter months. Overall, May in Apia signifies a comfortable balance of warmth and humidity, perfect for exploring its stunning natural beauty.

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

The chart illustrates May temperature patterns in Apia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Apia, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808080818080797979798080
Data source: Temperature data for Apia 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 Apia

May in Apia, Samoa, brings a notable shift in precipitation patterns, as the island experiences 212 mm (8.3 in) of rainfall over 28 days. Although this marks a decrease from the heavier downpours of February, which recorded an impressive 482 mm (19.0 in), May still immerses the region in lush greenery, indicative of the wet season's lingering presence. Following the trend from April, the rainfall remains consistent, reinforcing the tropical climate's character. Interestingly, this month serves as a transitional period, with damp conditions giving way to slightly drier spells in June, where precipitation drops to 178 mm (7.0 in). Overall, May's rainfall continues to sustain the vibrant ecosystem of Apia while setting the stage for the upcoming changes in weather dynamics.

May Precipitation Trends in Apia

The chart displays monthly precipitation patterns in Apia, 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 Apia, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec335482219235212178241145158266296403
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Apia

In May, Apia, Samoa experiences a slight increase in humidity, reaching 79%—a subtle rise from the steady 78% seen from January through April. This shift marks the beginning of a trend as humidity levels continue to climb in the following months, peaking at 84% in August. The gradual upward trajectory highlights the tropical characteristics of Apia's climate, where the lush environment thrives amidst the warm, moist air. As winter approaches, humidity will further increase, indicating that the island’s vibrant landscapes and rich ecosystems are well-adapted to these conditions throughout the year.

May Average Humidity in Apia

This chart illustrates the average monthly humidity levels in Apia, 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 Apia is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%78%78%79%80%81%84%84%82%79%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Apia

In May, Apia, Samoa experiences a UV Index of 11, categorized as extreme, which means the risk of harm from unprotected sun exposure remains significant. This slight dip from the peak levels seen earlier in the year, where the UV Index consistently reached 16, indicates that while the situation is slightly improved, one should still exercise caution. With a burn time of just 10 minutes, it's essential for residents and visitors alike to prioritize sun protection measures, such as wearing sunscreen, hats, and protective clothing. As the year marches on, the UV Index ranges from 9 in the following months to 16 earlier in the year, demonstrating a pronounced seasonal fluctuation in sun intensity. For more detailed information on sun safety in Apia, visit Apia UV Index.

Maximum UV Index Levels in Apia for May

The chart shows the monthly maximum UV Index (UVI) for Apia 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 Apia typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616161311991214151515
Data source: Apia 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 Apia

May brings ample sunshine to Apia, Samoa, with 281 hours of bright days, nestled nicely in a month known for its warm weather and vibrant landscapes. The sunshine trend shows a gradual increase as the year progresses, peaking in October with 310 hours before dipping slightly towards the end of the year. Comparatively, May stands out as a transition point, maintaining a steady brightness that follows April's 275 hours while setting the stage for the sunnier months ahead. As spring unfolds, the consistent sunshine not only boosts the island's aesthetic charm but also invites locals and visitors alike to bask in its radiant glow.

Monthly Sunshine Duration in Apia: May Highlighted

The May sunshine duration represents the total number of hours Apia 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.
JanFebMarAprMayJunJulAugSepOctNovDec231h218h308h275h281h272h276h295h304h310h296h288h
Data source: Apia May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Apia During May

In May, Apia, Samoa experiences a notable increase in sunny weather, with a 53% chance of clear skies—one of the highest probabilities for the year. This month marks a transition into more favorable conditions, following the season's variability, as seen in April's 42% and March's 28%. As summer progresses, the likelihood of sunshine rises further, peaking in July at 62%. This upward trend signifies that travelers and locals alike can expect more radiant days as May unfolds, making it an ideal time to enjoy the island's tropical beauty.

Percentage of Sunny Days in May in Apia

The chart illustrates the percentage of sunny days in Apia 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 Apia experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec32%17%28%42%53%48%62%45%71%42%38%34%
Data source: Apia May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Apia in May

In Apia, Samoa, the rhythm of daylight captures the essence of tropical life throughout the year. From January to March, residents enjoy a consistent 12 hours of daylight, fostering vibrant daily activities. By April, the daylight gently shifts to 11 hours, a trend that continues through May and into the cooler months of June, July, and August. As September arrives, the sunshine returns to its former glory at 12 hours, restoring the lively atmosphere. October through December continues this sunny cycle, with daylight securely settled back at 12 hours, welcoming the warmth of summer once again. This natural ebb and flow of daylight not only defines daily routines but also highlights the charm of Samoa's tropical environment.

Average Daylight Hours in Apia for May

The chart illustrates the variation in daylight duration in Apia throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 49m12h 31m12h 8m11h 45m11h 27m11h 18m11h 23m11h 39m12h 1m12h 24m12h 44m12h 55m
Data source: Apia daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Apia

In May, Apia, Samoa experiences a pleasant uptick in wind speed, averaging 3.9 m/s (9 mph), a slight recovery after the calmer breezes of April. This shift marks a transition into more invigorating conditions that precede the blustery months of the dry season. As spring unfolds, May's winds hint at the approaching summer, promising both respite from humidity and opportunities for outdoor adventure. Notably, the wind speeds will only gain momentum as the year progresses, peaking in July at 5.9 m/s (13 mph), reflecting a clear trend of increasing gusts that locals and visitors alike can look forward to.

Average May Wind Speed in Apia

The chart displays monthly wind speed patterns in Apia, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.03.53.43.03.9 m/s4.15.94.75.04.93.73.7
Data source: Apia May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Apia Compares to Other Months

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

When comparing the weather in May and January, both months exhibit warm temperatures, with January experiencing slightly higher maxima at 30°C (86°F) compared to May's 29°C (85°F). However, May has more days of precipitation, totaling 28 days, while January sees rain on 24 days. The total precipitation is notably higher in January at 335 mm (13.2 in), compared to May's 212 mm (8.3 in). Humidity levels remain relatively similar, with May at 79% and January at 78%. For a detailed look at January weather, you can explore Apia weather in January.

May and February exhibit similar temperature ranges, with both months having a minimum temperature of 24°C (76°F) and an average temperature around 27°C (81°F). However, February tends to be slightly warmer, peaking at 30°C (86°F) compared to May's maximum of 29°C (85°F). A notable difference between the two months is the precipitation; February receives significantly more rainfall at 482 mm (19.0 in) over 27 days, while May sees 212 mm (8.3 in) spread over 28 days. Both months maintain high humidity levels, with May at 79% and February slightly lower at 78%. For a closer look at the specifics of February weather, you can check this link: Apia weather in February.

When comparing the weather in May and March, both months exhibit similar temperature ranges, with minimums of 24°C (76°F) and average temperatures hovering around 27°C (81°F). However, the maximum temperature in May reaches slightly higher at 29°C (85°F) compared to March’s maximum of 29°C (84°F). Precipitation levels show a minor difference, with May experiencing 212 mm (8.3 in) over 28 days, while March has a slightly higher total of 219 mm (8.6 in) across 26 days. Humidity is comparable, with May at 79% and March at 78%. For more detailed insights on March weather, you can check Apia weather in March.

When comparing the weather in April and May, we see that both months experience similar temperature ranges, with minimums at 24°C (76°F), averages of 27°C (81°F), and maximums at 29°C (85°F). However, May tends to have slightly less precipitation, with 212 mm (8.3 in) over 28 days, compared to April's 235 mm (9.2 in) over 26 days. Humidity remains fairly consistent, with May at 79% and April at 78%. For more detailed information, you can visit Apia weather in April.

In May, the weather boasts a minimum temperature of 24°C (76°F), with an average of 27°C (81°F) and a maximum of 29°C (85°F). However, May is also characterized by high levels of precipitation, recording 212 mm (8.3 in) over 28 days, along with a humidity level of 79%. In contrast, June maintains similar temperature patterns, with consistent minimum and average temperatures of 24°C (76°F) and 27°C (80°F), respectively, but a slightly lower maximum of 29°C (84°F). Precipitation decreases to 178 mm (7.0 in) over 25 days, and humidity rises slightly to 80%. For a more detailed look at the weather trends, you can check Apia weather in June.

In comparing the weather between May and July, both months exhibit warm temperatures, with May experiencing a slightly higher average temperature of 27°C (81°F) compared to July's 26°C (79°F). However, July sees a minimal decrease in maximum temperature, reaching 28°C (83°F) versus May's 29°C (85°F). Rainfall is more pronounced in July, with a total of 241 mm (9.5 in) spread over 27 days, compared to May's 212 mm (8.3 in) over 28 days. Additionally, humidity levels are comparable, with July at 81% and May at 79%, indicating a consistently humid climate. For more detailed insights, you can visit Apia weather in July.

When comparing the weather in May and August, both months maintain relatively warm temperatures, with May slightly edging out with an average of 27°C (81°F) compared to August's 26°C (79°F). The minimum temperatures are quite similar, with May ranging from 24°C (76°F) to 29°C (85°F) and August staying steady with a minimum of 24°C (75°F) and a maximum of 28°C (83°F). However, May experiences significantly more precipitation, accumulating 212 mm (8.3 in) across 28 days, while August sees only 145 mm (5.7 in) over 23 days. Humidity levels are also higher in August at 84%, compared to 79% in May. For more details about the weather during this time, you can check Apia weather in August.

May and September share relatively similar temperatures, with May experiencing a slightly higher average temperature of 27°C (81°F) compared to September's 26°C (79°F). Both months have a minimum temperature around 24°C (75°F), with September peaking at 28°C (83°F) and May at 29°C (85°F). However, May is notably wetter, receiving 212 mm (8.3 in) of precipitation over 28 days, while September sees less rain at 158 mm (6.2 in) across 25 days. Humidity levels are also slightly higher in September at 83% compared to May's 79%. Overall, while both months are warm and humid, May tends to be wetter and a bit hotter. For more specific details, check out Apia weather in September.

When comparing the weather in May and October, both months exhibit similar temperature ranges, with May generally being slightly warmer. In May, temperatures range from a minimum of 24°C (76°F) to a maximum of 29°C (85°F), averaging around 27°C (81°F). In contrast, October sees slightly cooler temperatures, with a range from 24°C (75°F) to 28°C (83°F) and an average of 26°C (80°F).

However, October experiences higher precipitation levels, totaling 266 mm (10.5 in) over 28 days, compared to May's 212 mm (8.3 in) over the same number of days. This results in a marginally higher humidity level in October at 82%, compared to May's 79%. For more detailed insights into October weather, you can visit Apia weather in October.

May and November share similar temperature ranges, with both months experiencing minimums around 24°C (76°F) and maximums peaking at 29°C (85°F). However, May generally has a slightly higher average temperature of 27°C (81°F) compared to November's average of 26°C (80°F). In terms of precipitation, November is notably wetter, receiving 296 mm (11.6 in) over 27 rainy days, while May sees 212 mm (8.3 in) of rainfall spread across 28 days. Both months maintain high humidity levels at 79%, contributing to a tropical climate. For more detailed insights, check out the Apia weather in November.

May and December share similar temperature ranges, with minimums around 24°C (76°F), averages of 27°C (81°F), and maximums reaching 29°C (85°F). However, December experiences significantly higher rainfall, with 403 mm (15.9 in) compared to May's 212 mm (8.3 in). Both months have high humidity levels at 79%, but December's extended rainfall over 29 days contributes to a wetter atmosphere. For more detailed information on December weather, you can check Apia weather in December.

Compare Apia's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Apia

In May, Apia experiences warm temperatures with averages hovering around 27°C (81°F), making it one of the more humid months, with humidity levels at 79%. Unlike other months, May is marked by frequent rain, as it sees a significant 212 mm (8.3 in) of precipitation over 28 days, making it the wettest time of the year. This combination of warmth and persistent rainfall creates a lush, green landscape, setting it apart from the drier months. For more insights into the climate of this vibrant location, explore Apia Climate.