April Weather in Avarua, Cook Islands

Last updated: August 21, 2025

In Avarua, Cook Islands, April welcomes visitors with a pleasant climate characterized by maximum temperatures reaching 28°C (83°F) and an average of 26°C (79°F). The month experiences a minimum temperature of 23°C (74°F), providing a comfortable backdrop for outdoor activities. However, rain is frequent, with 162 mm (6.4 in) of precipitation spread over 17 days, leading to a humidity level of 79%. This mix of warmth and occasional showers creates a tropical atmosphere, perfect for exploring the lush landscapes and vibrant culture of this idyllic paradise.

April Temperature in Avarua

In April, Avarua, Cook Islands experiences a delightful transition in temperatures that signals the arrival of autumn. The month opens with a minimum temperature of 23°C (74°F), slightly cooler than the previous months, while the average hovers around a pleasant 26°C (79°F). Daytime highs remain comfortable, reaching up to 28°C (83°F), striking a balance that invites outdoor adventures. This slight easement in the heat compared to the sweltering summer months—where peaks often hit 29°C (84°F)—makes April an ideal time for travelers seeking sun-drenched beaches without the intensity of peak summer warmth. As the month progresses, temperatures continue their gentle downward trend, heralding the cooler months ahead, while still holding onto the charm of tropical warmth.

April Weather in Avarua: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Avarua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Avarua, April 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).
JanFebMarAprMayJunJulAugSepOctNovDec797980797775747373747577
Data source: Temperature data for Avarua 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.

April Precipitation in Avarua

April in Avarua, Cook Islands, marks a transitional phase in the precipitation pattern, where rainfall averages 162 mm (6.4 in) over 17 days. This amount represents a slight decrease from March's 209 mm (8.2 in), suggesting a shift towards drier conditions as the region moves into the cooler months. Notably, April’s precipitation levels are akin to those in May, which records 165 mm (6.5 in), indicating a gradual but steady weather pattern. The consistent rainfall through January to April, with relatively close totals, hints at the Cook Islands' lush, tropical atmosphere, while the reduction in precipitation days during this month signals an opportunity for clearer skies and outdoor activities in the latter half of April.

April Precipitation Trends in Avarua

The chart displays monthly precipitation patterns in Avarua, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Avarua, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec168298209162165749113264122120220
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Avarua

In April, humidity in Avarua, Cook Islands, tends to settle at a comfortable 79%, marking a slight decline from the previous months. This dip reflects a gradual decrease in moisture levels as the season transitions toward the cooler months. Throughout the early part of the year, humidity remains relatively high, hovering between 81% and 85% from January to March. By May, humidity rebounds slightly to 80%, suggesting a subtle pattern of variability that characterizes the climate here. As the year progresses, Avarua experiences a gentle ebb and flow in humidity levels, providing a refreshing contrast and a hint of tropical charm.

April Average Humidity in Avarua

This chart illustrates the average monthly humidity levels in Avarua, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Avarua is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%81%79%80%77%77%80%82%83%84%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Avarua

In April, Avarua experiences a UV Index of 11, categorized as extreme, which requires vigilance as sunburn can occur in just 10 minutes. This month marks the beginning of a gradual decline in UV levels as the region transitions from the peak intensity of the earlier summer months. Following the intense indices of January through March, April's UV Index indicates that while the danger from UV rays remains significant, it's slightly less extreme compared to the preceding months. As the seasons shift, Avarua's UV levels continue to trend downward, offering a brief respite before the intensity rises again in September. For more details on the UV Index patterns, check out Avarua UV Index.

Maximum UV Index Levels in Avarua for April

The chart shows the monthly maximum UV Index (UVI) for Avarua in April, 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 April, the maximum UV index in Avarua typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161514118771011141415
Data source: Avarua April 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.

April Sunshine in Avarua

April in Avarua, Cook Islands, enjoys a delightful 254 hours of sunshine, making it a splendid time for both relaxation and exploration. As the island transitions from the vibrant summer months, the sunshine hours slightly dip from March’s thrilling peak of 288 hours, yet remain robust compared to the upcoming months. This pattern reflects a consistent trend where early spring days are celebrated with ample sunlight, while the subsequent months gradually retreat toward winter. Notably, the increases from late autumn through spring create an appealing backdrop for visitors seeking warmth and adventure, all framed by the enchanting beauty of the Cook Islands.

Monthly Sunshine Duration in Avarua: April Highlighted

The April sunshine duration represents the total number of hours Avarua experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec248h249h288h254h235h237h245h258h268h275h280h284h
Data source: Avarua April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Avarua During April

April in Avarua, Cook Islands, brings a delightful surge in sunny probabilities, with the chance of sunshine reaching 43%. This increase compared to the previous months marks a notable trend towards brighter days as the region transitions into the more favorable weather of late autumn. Following April, June and July continue to shine with percentages of 42% and 48% respectively, suggesting that while the dry season is approaching, April stands out as an ideal time to bask in the warming rays. As the year progresses, the overall trend suggests that Avarua enjoys periods of increased sun, peaking notably through the middle of the year. For visitors and locals alike, April's sunny disposition is a welcome invitation to explore the natural beauty of the Cook Islands.

Percentage of Sunny Days in April in Avarua

The chart illustrates the percentage of sunny days in Avarua throughout the year, with April 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 Avarua experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%27%33%43%31%42%48%41%53%45%40%26%
Data source: Avarua April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Avarua in April

In Avarua, Cook Islands, April marks the transition to shorter days, with daylight lasting approximately 11 hours. This decline in brightness follows the peak of summer in January, where the sun graces the skies for an impressive 13 hours. As the year progresses, daylight gradually decreases, with February and March maintaining a steady 12 hours. An interesting trend emerges as the days remain consistent at 11 hours in both April and May, before further dipping to 10 hours through June and July. However, as the seasons shift, daylight begins to reclaim its time in August and September, returning to 11 hours. This cyclical pattern of daylight not only reflects the natural rhythm of the seasons but also emphasizes the beauty of change in this tropical paradise.

Average Daylight Hours in Avarua for April

The chart illustrates the variation in daylight duration in Avarua throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 14m12h 45m12h 10m11h 33m11h 4m10h 50m10h 58m11h 24m11h 58m12h 35m13h 7m13h 23m
Data source: Avarua daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Avarua

In April, the gentle breezes of Avarua, Cook Islands, settle in with an average wind speed of 5.4 m/s (12 mph), slightly dipping from the previous month. This transitional month heralds a shift toward the more robust winds of late spring and early summer, where wind speeds increase noticeably in May to 7.4 m/s (16 mph). Comparing April with earlier months reveals a consistent pattern: while January and February boasted lighter winds at 5.8 m/s and 4.9 m/s, March picked up the pace at 5.3 m/s. This gradual rise indicates the approach of a breezier season, enhancing the region's charm and inviting those seeking fresh air and exhilarating outdoor experiences.

Average April Wind Speed in Avarua

The chart displays monthly wind speed patterns in Avarua, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.84.95.35.4 m/s7.47.16.06.76.66.86.36.3
Data source: Avarua April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Avarua Compares to Other Months

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

April and January exhibit quite similar weather patterns, as both months feature an average temperature of 26°C (79°F) and maximums around 28°C (83-84°F). However, April tends to be slightly wetter, with 162 mm (6.4 in) of precipitation compared to January's 168 mm (6.6 in), though both months experience rain on 17 days. Humidity levels also differ marginally, with April at 79% and January a bit higher at 84%. For a detailed overview of January weather, you can check Avarua weather in January.

When comparing the weather in April and February, we find that both months have similar average temperatures, hovering around 26°C (79°F). However, while February experiences slightly higher maximum temperatures of 29°C (84°F), April tends to have milder highs at 28°C (83°F). February is considerably wetter, with total precipitation reaching 298 mm (11.7 in) over 22 days, compared to April's 162 mm (6.4 in) spread over 17 days. Additionally, February's humidity is slightly higher at 85%, compared to April's 79%. For a more detailed look, you can check Avarua weather in February.

In comparing the weather of April to March, April experiences slightly lower temperatures with a minimum of 23°C (74°F) and an average of 26°C (79°F), compared to March's minimum of 24°C (75°F) and an average of 27°C (80°F). Additionally, April sees reduced precipitation levels, totaling 162 mm (6.4 in) over 17 rainy days, whereas March has a higher rainfall of 209 mm (8.2 in) spread across 24 days. Humidity levels are quite similar between the two months, with April at 79% and March at 81%. For more detailed information on March's weather, you can check Avarua weather in March.

April and May share similar temperature ranges and levels of precipitation, with both months experiencing mild warmth. In April, the minimum temperature typically hovers around 23°C (74°F), with an average of 26°C (79°F) and a maximum of 28°C (83°F). May sees slightly lower averages, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 28°C (82°F), averaging around 25°C (78°F).

Precipitation is also comparable, with April receiving 162 mm (6.4 in) over 17 days, while May totals 165 mm (6.5 in) over a slightly fewer 16 days. Humidity remains high in both months, with April at 79% and May increasing to 80%. For more detailed insights into May's weather, you can visit Avarua weather in May.

In comparing the weather between April and June, April typically features warmer temperatures, with minimums of 23°C (74°F) and maximums reaching 28°C (83°F), while June sees slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 26°C (79°F). Precipitation in April is considerably higher, with 162 mm (6.4 in) over 17 days, compared to June's 74 mm (2.9 in) over 12 days, indicating that June offers a drier climate. Humidity remains relatively similar, at 79% in April and 77% in June, contributing to the tropical feel of the region. For more specific details, you can check Avarua weather in June.

In comparing the weather of April and July, April tends to be warmer with average temperatures hovering around 26°C (79°F) and maximums reaching 28°C (83°F). In contrast, July is cooler, with an average temperature of 23°C (74°F) and a maximum of 26°C (79°F). Additionally, April experiences significantly more rainfall, totaling 162 mm (6.4 in) over 17 days, compared to July's 91 mm (3.6 in) over just 13 days. Humidity levels are slightly higher in April at 79%, while July sees a marginally lower humidity at 77%. For more detailed weather patterns, you can check Avarua weather in July.

April and August showcase distinct weather patterns. In April, temperatures are warmer, with a minimum of 23°C (74°F) and an average of 26°C (79°F) peaking at 28°C (83°F). However, this warmth comes with significant precipitation, averaging 162 mm (6.4 in) over 17 rain-soaked days and humidity levels at 79%. In contrast, August experiences cooler temperatures, with a minimum of 19°C (66°F) and an average of 23°C (73°F) reaching a maximum of 26°C (79°F). Although August is slightly dryer, with 132 mm (5.2 in) of rainfall over 12 days, humidity remains high at 80%. For a closer look at August conditions, you can visit Avarua weather in August.

In comparing the weather between April and September, it's evident that April tends to be warmer and wetter. With average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 28°C (83°F), April experiences significant humidity at 79% and substantial precipitation, tallying 162 mm (6.4 in) over 17 days. In contrast, September sees cooler temperatures with a minimum of 19°C (66°F) and a maximum of 25°C (78°F), alongside reduced rainfall of 64 mm (2.5 in) over just 10 days. Additionally, the humidity in September remains slightly higher at 82%. For a more detailed look at September weather in Avarua, you can check Avarua weather in September.

In comparing the weather between April and October, April presents warmer temperatures, with minimums averaging 23°C (74°F) and maximums reaching up to 28°C (83°F) compared to October, which sees a cooler minimum of 19°C (67°F) and a maximum of 25°C (78°F). Both months experience significant rainfall, but April is notably wetter, with 162 mm (6.4 in) over 17 days, while October has less precipitation at 122 mm (4.8 in) over 12 days. Interestingly, October has a slightly higher humidity level at 83% compared to April’s 79%, adding a tropical feel to the cooler temperatures. For more detailed insights on October weather, check out Avarua weather in October.

April and November exhibit a mild tropical climate, though April tends to be slightly warmer and wetter. In April, temperatures range from a minimum of 23°C (74°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F), accompanied by 162 mm (6.4 in) of precipitation spread over 17 days. In contrast, November's temperatures hover slightly cooler, with a minimum of 21°C (71°F) and a maximum of 27°C (80°F), offering an average of 24°C (76°F). Additionally, November experiences less rainfall, totaling 120 mm (4.7 in) over 15 days, while humidity levels are a bit higher at 84%. For more details on weather conditions in November, check out Avarua weather in November.

April and December present a warm and humid climate, with both months experiencing similar temperature ranges. In April, temperatures typically vary from a minimum of 23°C (74°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F). This month sees about 162 mm (6.4 in) of rainfall over 17 days, contributing to a humidity level of 79%. Conversely, December has slightly cooler average temperatures, ranging from 23°C (74°F) to 28°C (82°F), with an average of 25°C (78°F). Precipitation is higher, totaling 220 mm (8.7 in) across 19 days, and humidity also increases to 84%. Overall, while both months experience tropical conditions, December tends to be wetter and slightly more humid. For more details, you can check Avarua weather in December.

Compare Avarua's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Avarua

As April unfolds in Avarua, the weather takes on a unique character, with a pleasant warmth that can be felt both day and night. This month typically experiences higher humidity levels and a notable increase in precipitation, distinguishing it from the drier months that precede it. While temperatures remain relatively mild, the chance of rain can bring a refreshing coolness that adds to the tropical allure of the island. For those planning a visit, understanding these patterns is essential for enjoying the luscious beauty that April offers. To learn more about the climate throughout the year, check out Avarua Climate.