Last updated: August 21, 2025
In May, Izumo, Japan experiences a delightful blend of spring warmth and seasonal showers. With maximum temperatures reaching 27°C (82°F) and an average of 18°C (65°F), the month invites outdoor exploration, though early risers may notice cooler mornings, dipping to a minimum of 8°C (47°F). Humidity is notably high at 84%, contributing to a lush atmosphere. Visitors should be prepared for around 97 mm (3.8 in) of rain over 8 days, making it wise to keep an umbrella handy while enjoying the vibrant landscapes and cultural sites the region has to offer.
In May, Izumo, Japan, begins to embrace the warmth of spring, with temperatures showing a noticeable rise compared to the earlier months. The month features a minimum temperature of 8°C (47°F), setting a more pleasant tone, while the average climbs to a comfortable 18°C (65°F), inviting outdoor adventures and blooming flora. As the days progress, the temperatures peak at a delightful 27°C (82°F), making it an ideal time for locals and travelers alike to enjoy the vibrant atmosphere before the summer heat sets in. This transition from the cooler early months exhibits a clear trend of warming, signaling the arrival of longer, sunnier days that herald the beauty of Japan's spring season.
In May, Izumo, Japan experiences a transition into the warmer months, with precipitation measuring 97 mm (3.8 in), marking a decline from the wetter April. Rainfall occurs over just 8 days, suggesting that while moisture is present, sunny days are proportionally more frequent compared to the earlier spring months. This trend of decreasing precipitation days aligns with the seasonal shift, as the region prepares for the heavier rains of June and July, which typically see significant increases in both rainfall amounts and rainy days. Overall, May's rainfall provides a refreshing balance, nurturing the vibrant greenery of the area while allowing for pleasant, drier intervals.
As spring transitions into summer, May brings a noticeable uptick in humidity in Izumo, Japan, peaking at 84%. This marks a significant rise from the preceding months, with April recording 74%. The increase is a precursor to the more humid conditions of June and July, where humidity soars to 86% and 92%, respectively. Overall, May serves as a bridge, where the air becomes progressively heavier with moisture, setting the stage for the sultry summer ahead. The consistent rise in humidity from mid-spring through summer highlights a pattern typical of the region, embracing the lush greenery that this moisture nurtures.
In May, the UV Index in Izumo, Japan reaches an extreme level of 11, matching the intensity observed in April and continuing into June. This rating signifies a significant increase from the more moderate indices experienced earlier in the year, particularly in January and February, where the UV Index was only 4 and 5, respectively. As the warmer months approach, sun exposure becomes critical, with a burn time of just 10 minutes being recommended for those who plan to spend time outdoors. With such high levels of UV radiation persisting into the early summer, residents and visitors are advised to take appropriate sun protection measures. For more detailed information on the UV Index throughout the year, visit Izumo UV Index.
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May shines brightly in Izumo, Japan, with an impressive 299 hours of sunshine, marking a peak in the spring months. As the days lengthen from the 164 hours in January to this month, there is a clear trend of increasing daylight that not only lifts spirits but also entices residents and visitors to bask in the warm embrace of nature. Following the vibrant April, which saw 279 hours of sunlight, May’s sunny allure sets the stage for the summer months ahead. Interestingly, June maintains a solid level of brightness with 294 hours, just shy of May's record, while July and August reach their own peaks with 280 and 304 hours, respectively. This gradual rise and slight dips in sunshine hours throughout the seasons offer a beautiful backdrop to Izumo's rich cultural landscape, inviting exploration and enjoyment of the outdoors.
In Izumo, Japan, the likelihood of experiencing sunny weather reaches a low point in May, with only a 31% chance of sunshine. This is a notable dip following the moderate increase in sunny days during the preceding months of April (44%) and March (35%). As the seasons transition, the region shows a clear trend of diminishing sunshine as summer approaches, with June forecasted at a mere 26% chance. Interestingly, while the likelihood of sunny days may wane in May, the slight uptick observed in October and November suggests a resurgence of clearer skies later in the year, hinting at the cyclical nature of Izumo's weather patterns.
As spring blossoms into summer, Izumo, Japan, witnesses a notable increase in daylight duration, peaking in the warmth of May. Starting from a consistent 10 hours in January and February, the days gradually lengthen, reaching 11 hours by March. The progression continues into April with 13 hours of sunlight, before skyrocketing to 14 hours in both May and June. This extended daylight creates an inviting atmosphere for outdoor activities and exploration, but as summer wanes, daylight begins to recede, with 13 hours in August and a gradual decline to 10 hours in November. The rhythm of light in Izumo beautifully mirrors the changing seasons, offering a dynamic experience throughout the year.
In Izumo, Japan, the month of May showcases a gentle breeze with an average wind speed of 3.6 m/s (8 mph), mirroring the calm atmosphere of early spring. Following several months of higher winds—peaking in January and February at 4.3 m/s and 4.5 m/s respectively—May marks a transition into milder conditions. The wind begins to soften, sharing its space with budding flowers and warmer temperatures, as the summer months approach. This gradual decline in wind speed persists into June, where it reaches its lowest at 2.4 m/s (5 mph). Despite this lightness, May's consistent breeze serves as a reminder of the region's diverse climatic tapestry, perfectly balanced between the crispness of spring and the warmth of summer.
Weather in Izumo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Izumo, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, a stark contrast emerges. May boasts a milder climate with temperatures ranging from a minimum of 8°C (47°F) to a pleasant average of 18°C (65°F) and a maximum of 27°C (82°F). With 97 mm (3.8 in) of precipitation over about 8 days and a humidity level of 84%, May is typically more comfortable and inviting. In contrast, January is significantly colder, featuring temperatures that dip to a minimum of -4°C (24°F) and an average of just 5°C (42°F), reaching a maximum of 15°C (59°F). Although January sees slightly less rain, with 84 mm (3.3 in) spread across 14 days, the chill and humidity at 82% create a much harsher environment. For a closer look at January conditions, you can visit Izumo weather in January.
May and February present strikingly different weather conditions. In May, temperatures range from a pleasant 8°C (47°F) to a warm 27°C (82°F), with an average of 18°C (65°F), making it a much more comfortable month overall. While May experiences more rainfall, totaling 97 mm (3.8 in) over about 8 days, February is cooler, with temperatures varying between -8°C (19°F) and a mild 19°C (67°F) and an average of just 6°C (42°F). February also has a relatively high number of rainy days, totaling 14, although it has slightly less precipitation at 89 mm (3.5 in). The humidity is higher in May at 84%, compared to February's 79%, contributing to a more muggy atmosphere as spring progresses. For a detailed look at February weather in Izumo, you can visit Izumo weather in February.
In comparing the weather of May and March, it is clear that May experiences significantly warmer temperatures, with an average of 18°C (65°F) compared to March’s cooler 9°C (49°F). While March can reach a maximum of 21°C (70°F), it also has a lower minimum temperature of 1°C (34°F) compared to May's minimum of 8°C (47°F). Precipitation in March is notably higher, totaling 125 mm (4.9 in) over 13 days, whereas May sees 97 mm (3.8 in) across 8 days. Additionally, May boasts a higher humidity level of 84%, compared to March’s 73%. For more details on March weather specifics, you can check Izumo weather in March.
In comparing the weather patterns between April and May, May typically offers warmer temperatures, with an average high of 27°C (82°F) compared to April’s maximum of 24°C (75°F). The minimum temperature in May is also notably higher at 8°C (47°F), while April starts cooler at 2°C (35°F). Despite May experiencing less precipitation, totaling 97 mm (3.8 in) over 8 days, April sees a slightly higher amount at 113 mm (4.5 in) over 10 days. Additionally, May's humidity is higher at 84%, compared to April's 74%. For more detailed insights on April weather, visit Izumo weather in April.
May and June showcase a noticeable transition in weather patterns. In May, temperatures range from a minimum of 8°C (47°F) to a maximum of 27°C (82°F), with an average of 18°C (65°F). This month experiences approximately 97 mm (3.8 in) of precipitation over 8 days and maintains a humidity level of 84%. In contrast, June warms up further, with temperatures starting at 13°C (55°F) and peaking at 32°C (90°F), averaging 22°C (71°F). The month is also wetter, with a total precipitation of 173 mm (6.8 in) spread over 13 days, while humidity slightly increases to 86%. For more detailed insights, check out Izumo weather in June.
In May, the weather is mild, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 27°C (82°F) and an average of 18°C (65°F). The month experiences moderate precipitation of 97 mm (3.8 in) over about 8 days, with relative humidity at 84%. In contrast, July is significantly warmer, with temperatures starting at 19°C (67°F) and peaking at 35°C (94°F), averaging around 26°C (79°F). However, July brings much heavier rainfall, totaling 290 mm (11.4 in) over 18 days, accompanied by higher humidity levels at 92%. For more details on July's weather, check out Izumo weather in July.
May and August showcase a dramatic shift in weather patterns. In May, temperatures range from a minimum of 8°C (47°F) to a comfortable average of 18°C (65°F), reaching up to a maximum of 27°C (82°F). With 97 mm (3.8 in) of rainfall over about 8 days, humidity levels are relatively high at 84%. In contrast, August experiences significantly warmer temperatures, with a minimum of 19°C (67°F) and an average of 28°C (82°F), peaking at a scorching 36°C (96°F). The month sees even higher rainfall at 252 mm (9.9 in), distributed over 14 days, and humidity increases to 92%. For a detailed look at the conditions in August, visit Izumo weather in August.
In May, temperatures range from a cool minimum of 8°C (47°F) to a pleasant average of 18°C (65°F), with highs reaching up to 27°C (82°F). The month experiences about 97 mm (3.8 in) of precipitation over approximately 8 days, accompanied by a humidity level of 84%.
In contrast, September brings warmer temperatures, with a minimum of 15°C (59°F) and an average of 23°C (74°F), peaking at a hot 34°C (93°F). However, it also sees significantly higher precipitation at 226 mm (8.9 in) on about 15 days, with humidity slightly increasing to 87%. For more details, you can refer to Izumo weather in September.
In comparing May and October weather, both months share an average temperature of 18°C (65°F), but October tends to be slightly warmer overall, with maximum temperatures reaching up to 30°C (86°F). May features a broader temperature range, with minimums dipping to around 8°C (47°F) compared to October's 9°C (49°F). Precipitation is notably higher in October, with 150 mm (5.9 in) falling over 12 days, compared to May's 97 mm (3.8 in) over 8 days, resulting in a wetter experience as autumn sets in. Humidity levels remain similar, with May at 84% and October at 85%. For more details about weather specifics, check out Izumo weather in October.
May and November display contrasting weather characteristics that define their unique atmospheres. In May, temperatures range from a minimum of 8°C (47°F) to a pleasant maximum of 27°C (82°F), contributing to an average of 18°C (65°F). The month sees more rain, with 97 mm (3.8 in) of precipitation falling over 8 days, all while maintaining a high humidity level of 84%. In contrast, November experiences cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 24°C (76°F), leading to a lower average of 13°C (55°F). Although the rainfall is reduced to 53 mm (2.1 in) over 9 days, the humidity remains consistent at 84%. For a detailed overview of November's weather, check out Izumo weather in November.
May and December present striking contrasts in weather. In May, temperatures range from a mild 8°C (47°F) to a warm 27°C (82°F), with an average of 18°C (65°F), making it a pleasant month overall. The month sees about 97 mm (3.8 in) of precipitation across 8 days, accompanied by high humidity at 84%. In contrast, December experiences much cooler weather, with temperatures ranging from 0°C (32°F) to a maximum of 21°C (69°F) and an average of just 7°C (46°F). There is slightly more rainfall at 105 mm (4.1 in), but it falls over a longer period of 18 days, and humidity levels remain relatively low at 82%. For detailed insights about December weather, you can check Izumo weather in December.
As May ushers in a transition from the cooler spring months, Izumo experiences a delightful warming trend, with temperatures on the rise and an inviting average of 18°C (65°F). The air is infused with a heightened humidity of 84%, adding a lush feeling to the atmosphere. While precipitation remains manageable with about 8 days of rain totaling 97 mm (3.8 in), it's less frequent than the heavier rains of summer that follow. This balance makes May a refreshing month to explore the natural beauty of Izumo. To learn more about how May weather compares to other times of the year, visit Izumo Climate.