Last updated: August 23, 2025
In April, the average temperature in Omamacho-omama, Japan hovers around 11°C (52°F). You can expect a minimum of -1°C (30°F) and a maximum of 27°C (80°F) throughout the month. Additionally, the region experiences 123 mm (4.9 in) of precipitation over approximately 11 days, contributing to an average humidity of 78%. Get ready for a mix of mild temperatures and occasional rainfall!
In April in Omamacho-omama, the average temperature is 11°C (52°F). Maximum temperatures can reach 27°C (80°F), while minimum temperatures can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Omamacho-omama in April, the precipitation amount reaches 123 mm (4.9 in) over the course of 11 days.
In Omamacho-omama in April humidity is 78%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and travel more challenging as you navigate the moist air.
In Omamacho-omama in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Omamacho-omama.
UV Risk Categories
Weather in Omamacho-omama varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Omamacho-omama, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 45 mm (1.8 inches) | 88% | moderate |
| February Weather | 2°C (37°F) | 43 mm (1.7 inches) | 86% | moderate |
| March Weather | 7°C (44°F) | 115 mm (4.5 inches) | 81% | very high |
| April Weather | 11°C (52°F) | 123 mm (4.9 inches) | 78% | very high |
| May Weather | 17°C (62°F) | 130 mm (5.1 inches) | 81% | very high |
| June Weather | 20°C (68°F) | 166 mm (6.5 inches) | 88% | extreme |
| July Weather | 23°C (74°F) | 262 mm (10.3 inches) | 92% | extreme |
| August Weather | 25°C (77°F) | 179 mm (7.1 inches) | 92% | extreme |
| September Weather | 21°C (69°F) | 184 mm (7.2 inches) | 89% | very high |
| October Weather | 15°C (60°F) | 251 mm (9.9 inches) | 87% | high |
| November Weather | 9°C (49°F) | 43 mm (1.7 inches) | 85% | moderate |
| December Weather | 4°C (39°F) | 49 mm (1.9 inches) | 86% | moderate |