Last updated: August 31, 2025
May brings a delightful tropical ambiance to Saipan, Northern Mariana Islands, with average temperatures hovering around 28°C (82°F). Warm days are punctuated by maximum highs reaching 29°C (85°F), while evenings cool down to a pleasant 26°C (78°F). This month sees 59 mm (2.3 in) of precipitation, occurring over 20 rainy days, contributing to the lush, vibrant landscape. The humidity level remains high at 84%, enhancing the tropical feel and creating an inviting environment perfect for outdoor adventures and exploration.
In May, temperatures in Saipan, Northern Mariana Islands begin to warm up, marking a transition into the peak of the tropical season. With a minimum of 26°C (78°F) and an average temperature soaring to 28°C (82°F), the islands are awash in warmth. The maximum temperature reaches a comfortable 29°C (85°F), providing the perfect backdrop for outdoor adventures and relaxation by the beach. Compared to April, where temperatures hovered slightly lower, May signifies a subtle increase in warmth. This warming trend continues seamlessly into the following months, establishing Saipan as an inviting oasis for those seeking sunny escapades as summer approaches.
In May, Saipan experiences a total precipitation of 59 mm (2.3 in), marking a noticeable midpoint in the island's wet season. Rainfall days increase to 20, signaling a shift from the milder conditions of earlier months. This uptick in both precipitation and rainy days not only contributes to the lush greenery of the region but also foreshadows the dramatic increase in rainfall that June brings, with a stark rise to 120 mm (4.7 in). As tropical patterns establish themselves, May stands as a pivotal transition month, balancing pleasant weather and the growing presence of moisture that will soon peak in the summer months.
In May, Saipan experiences a slight uptick in humidity, reaching 84%, which is the highest level recorded in the early months of the year. This trend indicates a gradual increase in moisture as the island transitions from the cooler, drier conditions of April. The consistent humidity levels throughout the first half of the year—hovering between 81% and 84%—create a lush and vibrant environment, characteristic of the Northern Mariana Islands' tropical climate. As the summer months approach, humidity typically begins to stabilize or even decrease slightly, providing a hint of relief from the island’s natural embrace of humidity.
In May, Saipan experiences a UV Index of 13, indicating an extreme exposure category with a quick burn time of just 10 minutes. This month continues the trend established since February, where UV levels consistently remain high, peaking at 15 in April. For those enjoying the beautiful landscapes and beaches of the Northern Mariana Islands, it’s essential to prioritize sun protection, as the strong rays are a hallmark of the region during this time of year. As summer approaches, similar UV patterns are anticipated, reinforcing the need for vigilance against sunburn. For more detailed information about UV levels throughout the year, visit Saipan UV Index.
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May shines brightly in Saipan, Northern Mariana Islands, boasting an impressive 339 hours of sunshine, the pinnacle of the year. Following a steady build-up from 230 hours in January, the days grow longer and sunnier as spring unfolds, with March and April showcasing 322 and 316 hours respectively. This upward trend reaches its zenith in May, inviting outdoor adventures and vibrant experiences. Even as the calendar turns to June with 322 hours, the island continues to enjoy ample sunshine, maintaining a warm allure as summer approaches. The gradual decline starts in July, but the celestial glow lingers through the summer months, ensuring that Saipan remains a sun-kissed paradise for visitors and locals alike.
In Saipan, Northern Mariana Islands, the likelihood of sunny weather in May shows a slight decline, sitting at 49%. This figure reflects a broader trend of decreasing sunshine from the beginning of the year, with January boasting a robust 67% chance of sun, before dropping to 47% in April. As summer approaches, the chance of sunny weather takes a notable dip, with the subsequent months of June and July showing even lower probabilities of 42% and 22%, respectively. This pattern suggests that while May offers a fair chance of enjoying sunny days, the island starts to transition into a wetter season, making it wise for visitors to prepare for some cloudier experiences as summer unfolds.
In Saipan, Northern Mariana Islands, the daylight duration exhibits a distinct rhythm throughout the year, gradually increasing from 11 hours in the winter months of January and February to a peak of 13 hours in June. As spring unfolds, daylight extends slightly to 12 hours in both March and April, setting the stage for the bright summer months ahead. Following June, the daylight begins to taper off again, reverting to 12 hours during July through September, before slipping back to 11 hours in the cooler months of October to December. This cyclical pattern showcases Saipan's tropical climate, offering consistent daylight that enhances the island's allure year-round.
In Saipan, Northern Mariana Islands, May heralds a delightful uptick in average wind speeds, reaching 8.0 m/s (18 mph), making it one of the breeziest months of the year. This increase notably contrasts with the preceding months, where April's gentle winds dropped to 4.8 m/s (11 mph). Following May, the winds begin to ease again, with June reflecting a notable decrease to 4.3 m/s (10 mph). Such fluctuations highlight May's role as a pivotal transition point, where the warmth of summer is accompanied by invigorating breezes. Overall, this trend not only invigorates the air but also invites outdoor activities, enriching the experience of residents and visitors alike in this tropical paradise.
Weather in Saipan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Saipan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, the weather is slightly warmer than in January, with average temperatures reaching around 28°C (82°F) compared to January's 27°C (80°F). May also sees a higher maximum temperature of 29°C (85°F), while January peaks at 28°C (83°F). Precipitation is more prevalent in May, with 59 mm (2.3 in) spread over 20 days, whereas January experiences less rainfall at 52 mm (2.0 in) over just 13 days. Humidity levels remain comparable, with May at 84% and January at 83%. For more detailed information, you can refer to Saipan weather in January.
In comparing the weather between May and February, May tends to be slightly warmer, with average temperatures reaching 28°C (82°F) compared to February's 26°C (80°F). Both months experience similar levels of precipitation, with May receiving 59 mm (2.3 in) over 20 days and February just a tad less at 57 mm (2.2 in) across 17 days. Humidity is higher in May at 84%, while February remains comfortable at 81%. For more detailed information about February weather, you can visit Saipan weather in February.
In comparing the weather of May and March, it is evident that May tends to be slightly warmer, with average temperatures reaching 28°C (82°F) compared to March's 27°C (80°F). Both months experience minimal differences in temperature extremes, but May sees an increase in rainfall, totaling 59 mm (2.3 in) over 20 days, while March has only 41 mm (1.6 in) across 13 days. Humidity levels remain comparable, with May at 84% and March at 83%. Overall, May is characterized by higher temperatures and more precipitation, leading to a more humid atmosphere. For more details, you can check Saipan weather in March.
In comparing the weather between April and May, we see a slight increase in temperatures during May, with average temperatures reaching 28°C (82°F) compared to April's 27°C (81°F). Both months experience similar maximum temperatures, but May's minimum temperature is marginally higher at 26°C (78°F) compared to April's 25°C (77°F). While rainfall in May totals 59 mm (2.3 in) over 20 days, April sees slightly more precipitation at 63 mm (2.5 in) spread over 16 days. Humidity levels are nearly identical, with May at 84% and April at 83%. For more detail on April weather, visit Saipan weather in April.
In comparing the weather of May and June, both months exhibit warm temperatures, with May averaging around 28°C (82°F) and June slightly warmer at 28°C (83°F). The maximum temperatures also show a slight increase, with May reaching 29°C (85°F) and June peaking at 30°C (86°F). However, June sees a marked increase in rainfall, averaging 120 mm (4.7 in) over 21 days compared to May's 59 mm (2.3 in) over 20 days, resulting in a more humid environment, although humidity levels are slightly lower in June at 82% versus 84% in May. For more details on June's weather, you can visit Saipan weather in June.
In comparison to May, July experiences slightly warmer temperatures, with average highs reaching 30°C (86°F) compared to May's peak of 29°C (85°F). While both months have the same minimum temperature of 26°C (79°F), July sees a higher amount of rainfall, totaling 265 mm (10.4 in) over 28 days, compared to May's 59 mm (2.3 in) over 20 days. The humidity remains relatively similar, hovering around 84% in May and slightly decreasing to 80% in July. For more details about July weather, you can visit Saipan weather in July.
In May, the weather is characterized by warm temperatures, with a minimum of 26°C (78°F) and an average of 28°C (82°F). The month sees light precipitation totaling 59 mm (2.3 in) over about 20 days, accompanied by relatively high humidity at 84%. In contrast, August experiences similar average temperatures, with a slightly higher maximum of 30°C (86°F) and a minimum of 25°C (78°F). However, it is significantly wetter, with precipitation soaring to 409 mm (16.1 in) spread across 29 days, while humidity remains slightly lower at 80%. For more detailed information, check out Saipan weather in August.
May and September both feature warm temperatures in Saipan, with average highs around 28°C (82°F). However, September tends to be slightly warmer, peaking at 30°C (86°F). In terms of precipitation, May sees much less rainfall with 59 mm (2.3 in) over 20 days, while September is significantly wetter, with 320 mm (12.6 in) over 28 days. Humidity levels are comparable, with May being slightly more humid at 84% versus September's 81%. For more detailed insights into September weather, you can visit Saipan weather in September.
In May, the weather in Saipan is characterized by warm temperatures, with daily averages around 28°C (82°F) and relatively low precipitation of 59 mm (2.3 in) spread over 20 days. The humidity levels are quite high at 84%, making it feel quite tropical. In contrast, October sees a slight increase in maximum temperatures reaching up to 30°C (85°F) and a significant jump in precipitation to 365 mm (14.4 in) over 28 days, though humidity remains similar at 81%. This comparison highlights that while both months share similar average temperatures, October experiences much more rainfall and a longer stretch of wet days. For more details on October weather, you can visit Saipan weather in October.
In May, the weather remains warm and humid, with temperatures ranging from a minimum of 26°C (78°F) to a maximum of 29°C (85°F) and an average of 28°C (82°F). The month experiences 59 mm (2.3 in) of precipitation spread over 20 days, resulting in a relatively high humidity of 84%. In contrast, November shares a similar temperature profile with May, maintaining the same temperature ranges and averages. However, November sees a notable increase in precipitation, totaling 141 mm (5.5 in) over 23 days, and a slightly lower humidity level at 82%. These differences highlight the distinct weather patterns between the two months. For more information, visit Saipan weather in November.
In Saipan, May and December exhibit similar temperature ranges, with May showing a minimum of 26°C and an average of 28°C, while December's temperatures are slightly cooler with a minimum of 25°C and an average of 27°C. Both months have maximum temperatures reaching up to 29°C, providing warm weather year-round. However, December experiences higher precipitation, with 74 mm recorded over 19 days compared to May's 59 mm over 20 days, leading to a marginally rainier atmosphere in December. Humidity levels are quite comparable, with May at 84% and December at 83%. For more detailed information, you can check Saipan weather in December.
As May settles in Saipan, the island experiences a warm and humid climate characterized by an average temperature of 28°C (82°F). This month marks a transition towards the wetter season, with increased rainfall occurring on about 20 days, contributing to a total precipitation of 59 mm (2.3 in). While temperatures remain comfortably high, the distinct humidity level of 84% can create a more oppressive feel compared to the drier months preceding it. Those visiting during May should be prepared for the lush landscapes that benefit from this rainfall, a significant contrast to the drier conditions of previous months. For a deeper understanding of Saipan's weather patterns throughout the year, explore Saipan Climate.