Last updated: August 21, 2025
In Hagatna, Guam, April brings a delightful tropical climate, characterized by an average temperature of 27°C (81°F), with daily highs reaching up to 29°C (84°F) and lows dipping to 25°C (77°F). This month experiences notable precipitation, accumulating around 94 mm (3.7 in) over 18 days, resulting in a humid atmosphere with an average humidity level of 84%. As the island welcomes the vibrant blooms of spring, visitors can expect a blend of warm sunshine and refreshing tropical showers, creating the perfect backdrop for exploration and relaxation.
In April, Hagatna, Guam experiences delightful warmth, featuring minimum temperatures around 25°C (77°F) that stay consistent with the preceding months. As spring unfolds, average temperatures reach a pleasant 27°C (81°F), while maximums climb slightly to 29°C (84°F), marking a subtle transition towards the hotter months ahead. This month serves as a pleasant prelude to the summer heat, maintaining the island's characteristic tropical climate. With temperatures remaining steady compared to previous months, April provides an ideal backdrop for outdoor adventures and leisurely beach days, inviting both locals and visitors alike to bask in the golden sun.
April marks a significant uptick in precipitation in Hagatna, Guam, with rainfall reaching 94 mm (3.7 in), a noticeable increase from March's 53 mm (2.1 in). This month also features 18 rainy days, indicating a trend toward more frequent showers as the region transitions into the wetter months of the year. Compared to January and February, which recorded 61 mm (2.4 in) and 77 mm (3.0 in) respectively, April sets the stage for the intense tropical conditions that follow in June and July, where precipitation soars to 159 mm (6.3 in) and 276 mm (10.9 in). As April rains invigorate the lush landscapes, they serve as a precursor to the heavy downpours characteristic of Guam's summer season.
April in Hagatna, Guam, experiences a notable consistency in humidity, with levels reaching 84%, paralleling the high humidity seen in March and December. This reflects a pattern of elevated moisture in the air that is characteristic of the region’s tropical climate. Following an uptick in humidity from January's 83% and February's 82%, April maintains this trend before slightly easing into May's 83%. Interestingly, the humidity generally stabilizes around the 80% mark during the summer months from June through August, suggesting a seasonal shift. Overall, April serves as a bridge between the wetter months and the slightly drier conditions that follow.
In April, Hagatna, Guam, experiences a high UV Index of 15, maintaining its ranking in the extreme exposure category alongside the preceding month. This consistent level of intensity indicates that sun safety precautions are crucial, with a burn time of only 10 minutes. Notably, April mirrors March's UV Index, highlighting a peak period in the early months of the year before it tapers slightly in May to 13. The overall trend reveals that residents and visitors must remain vigilant against the sun’s powerful rays as the UV Index hovers consistently high from January through April. For more detailed insights, check the full report on the Hagatna UV Index.
UV Risk Categories
In April, the vibrant island of Hagatna, Guam basks in a glorious 314 hours of sunshine, closely mirroring the sunny splendor of the previous month. As spring unfolds, the island enjoys a steady stream of bright days, showcasing a slight dip from March's peak of 316 hours. This trend of ample sunlight continues into May, which promises an even more radiant 336 hours, indicating a delightful warming up as summer approaches. Overall, the sunshine patterns reveal a tantalizing transition from the cooler months, with April acting as a bridge between spring's refreshing luminosity and summer's full radiance.
In April, the likelihood of sunny weather in Hagatna, Guam, takes a noticeable dip, with a 38% chance of sunshine. This marks a decrease from the more favorable conditions seen in March, which enjoys a 63% chance of sun. As the region transitions into the heart of its wet season, sunny days become less frequent, following a trend of declining sunlight opportunities that continues into May and June. Interestingly, the best chances for sun are in the early months of the year, with January and February hovering around 50% and 52% respectively, but April's forecast suggests that residents and visitors should prepare for more variability in their outdoor plans as the month progresses.
In Hagatna, Guam, April brings a delightful continuation of longer daylight hours, with the sun illuminating the skies for 12 hours each day. This marks a gradual increase from the 11 hours observed in the early months of the year, pointing towards the region's shift into a brighter spring. As we move beyond April into May and June, the daylight duration remains consistently at 12 hours, providing ample opportunity to enjoy the beautiful landscapes and vibrant culture of Guam. The trend indicates that while the daylight peaks in these spring and summer months, it subtly recedes back to 11 hours in October, heralding the approach of the shorter days of fall and winter. Overall, April acts as a pivotal month in Hagatna, showcasing the transition into an inviting phase of longer, sunnier days.
In April, Hagatna, Guam experiences a notable dip in average wind speed, dropping to 4.9 m/s (11 mph), making it the calmest month of the year. This gentle breeze contrasts sharply with the robust winds seen in the preceding months, where January and February boast averages of 8.0 m/s (18 mph) and 7.8 m/s (17 mph), respectively. As spring unfolds, the lighter winds of April signal a transition towards the summer season, which soon brings a slight increase with May's winds picking back up to 7.9 m/s (18 mph). This trend showcases the island's dynamic wind patterns, weaving a tapestry of seasonal changes that enhance Hagatna's tropical charm.
Weather in Hagatna varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hagatna, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between April and January, we observe that both months feature similar average temperatures, with April experiencing slightly warmer highs, averaging 29°C (84°F) compared to January's maximum of 28°C (83°F). However, April is notably wetter, receiving 94 mm (3.7 in) of precipitation over 18 days, while January has only 61 mm (2.4 in) of rain across 15 days. Humidity levels are quite comparable, with April at 84% and January at 83%, making both months feel quite tropical. For more detailed insights, you can refer to Hagatna weather in January.
In comparing the weather of April and February, both months showcase warm temperatures, with February experiencing a slightly cooler range, peaking at 28°C (83°F) compared to April's maximum of 29°C (84°F). Both months have similar average temperatures, around 27°C (81°F), but April tends to be wetter, receiving 94 mm (3.7 in) of precipitation over 18 days, versus February's 77 mm (3.0 in) across 15 days. Additionally, humidity levels are slightly higher in April at 84%, compared to February's 82%. For more specific details on February weather patterns, you can check Hagatna weather in February.
In comparing the weather of April and March, both months exhibit similar temperature patterns, with minimum temperatures steady at 25°C (77°F) and average temperatures hovering around 27°C (81°F). However, April experiences a slightly higher maximum temperature of 29°C (84°F) compared to March's peak of 28°C (83°F). Notably, April sees increased precipitation, with 94 mm (3.7 in) falling across 18 days, while March has only 53 mm (2.1 in) over 15 days. Humidity levels remain consistent at 84% for both months, contributing to the overall tropical feel. For more detailed insights, you can check out Hagatna weather in March.
In April, temperatures in Hagatna typically range from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average temperature of 27°C (81°F). The month sees significant rainfall, with a total of 94 mm (3.7 in) spread over 18 days and an average humidity of 84%. In contrast, May offers a slightly warmer average temperature of 28°C (82°F), while still maintaining a minimum of 25°C (78°F) and a maximum that remains consistent at 29°C (84°F). Precipitation decreases to 78 mm (3.1 in) over 22 days, and humidity remains similar at 83%. For more details about May weather, check out Hagatna weather in May.
In comparing the weather between April and June, we observe that both months share similar temperature ranges, with April averaging 27°C (81°F) and June slightly warmer at 28°C (82°F). However, June experiences significantly higher precipitation, totaling 159 mm (6.3 in) over 23 days, compared to April's 94 mm (3.7 in) over 18 days. Interestingly, humidity levels are relatively close, with April at 84% and June at 80%. For more detailed information, you can check out Hagatna weather in June.
In comparing the weather of April and July, both months exhibit warm temperatures, but July is slightly warmer, with average temperatures reaching 28°C (82°F) compared to April's 27°C (81°F). Although the maximum temperatures are similar, July experiences significantly higher precipitation, totaling 276 mm (10.9 in) across 30 days, whereas April sees only 94 mm (3.7 in) over 18 days. Additionally, while April's humidity stands at 84%, July's humidity is a bit lower at 80%, making for a more comfortable experience despite the increased rain. For more detailed information, you can check out Hagatna weather in July.
When comparing the weather in April and August, both months exhibit similar temperature ranges, with minimum temperatures around 25°C (77°F) and maximums peaking at 29°C (84°F). However, April tends to be slightly cooler, with an average of 27°C (81°F), while August features a marginally higher average temperature of 28°C (82°F). One of the most notable differences is the precipitation; April experiences 94 mm (3.7 in) of rain over 18 days, whereas August sees significantly higher rainfall of 405 mm (16.0 in) spread across 30 days. Humidity levels are relatively high in both months, with April at 84% and August slightly lower at 80%. For more detailed information on August weather, you can check Hagatna weather in August.
In comparing the weather between April and September, both months exhibit warm temperatures, with average highs reaching 29°C (84°F) in April and 30°C (86°F) in September. However, September experiences significantly more precipitation, accumulating 375 mm (14.8 in) over 28 days compared to April's 94 mm (3.7 in) across 18 days. Additionally, April has a higher humidity level of 84%, while September's humidity is slightly lower at 81%. For more specific insights, you can check out Hagatna weather in September.
In April, temperatures typically reach a minimum of 25°C (77°F) and hover around an average of 27°C (81°F), peaking at 29°C (84°F). The month sees considerable rainfall, accumulating 94 mm (3.7 in) over 18 days, with humidity levels sitting at a high 84%. In contrast, October's weather is slightly warmer, with temperatures ranging from a minimum of 25°C (78°F) to an average of 28°C (82°F), and also maxing out at 29°C (85°F). However, October is significantly wetter, with total precipitation reaching 356 mm (14.0 in) over 29 days and a slightly lower humidity of 80%. For more detailed weather information, you can check Hagatna weather in October.
In comparing the weather between April and November, both months exhibit warm temperatures, with November showing slightly higher averages. April sees minimum temperatures around 25°C (77°F) and an average of 27°C (81°F), while November starts at 26°C (79°F) and maintains an average of 28°C (82°F). Precipitation levels are significantly higher in November, with 202 mm (8.0 in) over 26 days, compared to April's 94 mm (3.7 in) over 18 days. Additionally, humidity is marginally lower in November at 81%, contrasted with April's higher humidity of 84%. For more detailed information, you can visit Hagatna weather in November.
In April, temperatures range from a minimum of 25°C (77°F) to a maximum of 29°C (84°F), with an average of 27°C (81°F). The month experiences approximately 94 mm (3.7 in) of precipitation over 18 days, maintaining a humidity level of 84%. In contrast, December shares a similar temperature profile with a minimum of 26°C (78°F), an average of 27°C (82°F), and a maximum of 29°C (84°F). However, it sees slightly higher precipitation levels at 105 mm (4.1 in) over 22 days, while also keeping humidity steady at 84%. For more detailed information on the December weather, you can check Hagatna weather in December.
As April rolls in, Hagatna experiences a unique blend of warmth and moisture, making it distinct from other months. With average temperatures hovering around a comfortable 27°C, the city remains inviting; however, you can expect a more pronounced humidity of 84% that elevates the tropical feel. Showers are frequent this month, as April records around 18 rainy days and a total precipitation of 94 mm, setting it apart from the drier months. The combination of warm temperatures and consistent rain highlights the transition into the wet season, offering lush landscapes and a vibrant atmosphere. For a deeper understanding of how these conditions shape the overall climate, visit Hagatna Climate.