Last updated: August 23, 2025
In April in Shinshimokawa, Japan, the average temperature hovers around 4°C (40°F). Expect a wide range, with minimums plunging to -11°C (12°F) and maximums reaching up to 22°C (71°F). During this month, the area receives approximately 69 mm (2.7 in) of precipitation over 14 days, contributing to an average humidity level of a notable 85%. Prepare for a mix of chilly and mild days!
In April in Shinshimokawa, the average temperature is 4°C (40°F), with maximums reaching up to 22°C (71°F) and minimums dropping as low as -11°C (12°F). Travelers should be prepared for a wide range of temperatures, making layering clothing essential for comfort.
In Shinshimokawa in April, the precipitation amount is 69 mm (2.7 in) over the course of 14 days.
In Shinshimokawa in April, humidity is 85%. With an average temperature of 4°C (40°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities feel much colder and damp, which can be quite uncomfortable for traveling.
In Shinshimokawa in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Shinshimokawa.
UV Risk Categories
Weather in Shinshimokawa varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Shinshimokawa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (17°F) | 64 mm (2.5 inches) | 87% | low |
| February Weather | -7°C (19°F) | 76 mm (3.0 inches) | 86% | moderate |
| March Weather | -2°C (29°F) | 84 mm (3.3 inches) | 85% | high |
| April Weather | 4°C (40°F) | 69 mm (2.7 inches) | 85% | high |
| May Weather | 11°C (53°F) | 94 mm (3.7 inches) | 88% | very high |
| June Weather | 14°C (58°F) | 97 mm (3.8 inches) | 88% | very high |
| July Weather | 19°C (67°F) | 100 mm (3.9 inches) | 93% | very high |
| August Weather | 19°C (66°F) | 158 mm (6.2 inches) | 95% | very high |
| September Weather | 15°C (60°F) | 80 mm (3.1 inches) | 88% | high |
| October Weather | 9°C (48°F) | 138 mm (5.4 inches) | 80% | moderate |
| November Weather | 2°C (36°F) | 119 mm (4.7 inches) | 78% | moderate |
| December Weather | -5°C (23°F) | 86 mm (3.4 inches) | 82% | low |