Last updated: August 23, 2025
In April, the average temperature in Oketo, Japan hovers around 4°C (39°F), with extremes ranging from a brisk -10°C (14°F) to a mild 22°C (72°F). Expect 75 mm (3.0 in) of precipitation spread over approximately 14 days, contributing to an average humidity of 83%. Weather in this region can be quite variable, so be prepared for a mix of chilly days and mild spells!
In April in Oketo, the average temperature is 4°C (39°F), with maximums reaching up to 22°C (72°F) and minimums dropping as low as -10°C (14°F). It's essential to pack layers to stay comfortable during your travels, as temperatures can vary significantly throughout the day.
In Oketo in April, the precipitation amount is 75 mm (3.0 in) spread over 14 days, indicating a relatively wet period for the region.
In Oketo in April, humidity is 83%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor activities feel brisk and uncomfortable for traveling.
In Oketo in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Oketo.
UV Risk Categories
Weather in Oketo varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Oketo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 59 mm (2.3 inches) | 84% | low |
| February Weather | -8°C (18°F) | 62 mm (2.4 inches) | 83% | moderate |
| March Weather | -2°C (29°F) | 88 mm (3.5 inches) | 83% | high |
| April Weather | 4°C (39°F) | 75 mm (3.0 inches) | 83% | very high |
| May Weather | 11°C (52°F) | 99 mm (3.9 inches) | 86% | very high |
| June Weather | 14°C (57°F) | 123 mm (4.8 inches) | 88% | very high |
| July Weather | 19°C (66°F) | 122 mm (4.8 inches) | 93% | very high |
| August Weather | 18°C (65°F) | 167 mm (6.6 inches) | 96% | very high |
| September Weather | 15°C (59°F) | 101 mm (4.0 inches) | 89% | very high |
| October Weather | 9°C (48°F) | 123 mm (4.9 inches) | 83% | moderate |
| November Weather | 2°C (36°F) | 89 mm (3.5 inches) | 80% | moderate |
| December Weather | -5°C (23°F) | 60 mm (2.3 inches) | 79% | low |